2 * Copyright (c) 2009, 2010, 2011 Nicira Networks.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
31 #include "command-line.h"
34 #include "dynamic-string.h"
36 #include "ovsdb-data.h"
37 #include "ovsdb-idl.h"
38 #include "poll-loop.h"
41 #include "stream-ssl.h"
44 #include "vswitchd/vswitch-idl.h"
51 VLOG_DEFINE_THIS_MODULE(vsctl);
53 /* vsctl_fatal() also logs the error, so it is preferred in this file. */
54 #define ovs_fatal please_use_vsctl_fatal_instead_of_ovs_fatal
58 /* A command supported by ovs-vsctl. */
59 struct vsctl_command_syntax {
60 const char *name; /* e.g. "add-br" */
61 int min_args; /* Min number of arguments following name. */
62 int max_args; /* Max number of arguments following name. */
64 /* If nonnull, calls ovsdb_idl_add_column() or ovsdb_idl_add_table() for
65 * each column or table in ctx->idl that it uses. */
66 void (*prerequisites)(struct vsctl_context *ctx);
68 /* Does the actual work of the command and puts the command's output, if
69 * any, in ctx->output or ctx->table.
71 * Alternatively, if some prerequisite of the command is not met and the
72 * caller should wait for something to change and then retry, it may set
73 * ctx->try_again to true. (Only the "wait-until" command currently does
75 void (*run)(struct vsctl_context *ctx);
77 /* If nonnull, called after the transaction has been successfully
78 * committed. ctx->output is the output from the "run" function, which
79 * this function may modify and otherwise postprocess as needed. (Only the
80 * "create" command currently does any postprocessing.) */
81 void (*postprocess)(struct vsctl_context *ctx);
83 /* A comma-separated list of supported options, e.g. "--a,--b", or the
84 * empty string if the command does not support any options. */
86 enum { RO, RW } mode; /* Does this command modify the database? */
89 struct vsctl_command {
90 /* Data that remains constant after initialization. */
91 const struct vsctl_command_syntax *syntax;
96 /* Data modified by commands. */
101 /* --db: The database server to contact. */
102 static const char *db;
104 /* --oneline: Write each command's output as a single line? */
107 /* --dry-run: Do not commit any changes. */
110 /* --no-wait: Wait for ovs-vswitchd to reload its configuration? */
111 static bool wait_for_reload = true;
113 /* --timeout: Time to wait for a connection to 'db'. */
116 /* Format for table output. */
117 static struct table_style table_style = TABLE_STYLE_DEFAULT;
119 /* All supported commands. */
120 static const struct vsctl_command_syntax all_commands[];
122 /* The IDL we're using and the current transaction, if any.
123 * This is for use by vsctl_exit() only, to allow it to clean up.
124 * Other code should use its context arguments. */
125 static struct ovsdb_idl *the_idl;
126 static struct ovsdb_idl_txn *the_idl_txn;
128 static void vsctl_exit(int status) NO_RETURN;
129 static void vsctl_fatal(const char *, ...) PRINTF_FORMAT(1, 2) NO_RETURN;
130 static char *default_db(void);
131 static void usage(void) NO_RETURN;
132 static void parse_options(int argc, char *argv[]);
133 static bool might_write_to_db(char **argv);
135 static struct vsctl_command *parse_commands(int argc, char *argv[],
136 size_t *n_commandsp);
137 static void parse_command(int argc, char *argv[], struct vsctl_command *);
138 static const struct vsctl_command_syntax *find_command(const char *name);
139 static void run_prerequisites(struct vsctl_command[], size_t n_commands,
141 static enum ovsdb_idl_txn_status do_vsctl(const char *args,
142 struct vsctl_command *, size_t n,
145 static const struct vsctl_table_class *get_table(const char *table_name);
146 static void set_column(const struct vsctl_table_class *,
147 const struct ovsdb_idl_row *, const char *arg,
148 struct ovsdb_symbol_table *);
150 static bool is_condition_satisfied(const struct vsctl_table_class *,
151 const struct ovsdb_idl_row *,
153 struct ovsdb_symbol_table *);
156 main(int argc, char *argv[])
158 extern struct vlog_module VLM_reconnect;
159 enum ovsdb_idl_txn_status status;
160 struct ovsdb_idl *idl;
161 struct vsctl_command *commands;
165 set_program_name(argv[0]);
166 signal(SIGPIPE, SIG_IGN);
167 vlog_set_levels(NULL, VLF_CONSOLE, VLL_WARN);
168 vlog_set_levels(&VLM_reconnect, VLF_ANY_FACILITY, VLL_WARN);
171 /* Log our arguments. This is often valuable for debugging systems. */
172 args = process_escape_args(argv);
173 VLOG(might_write_to_db(argv) ? VLL_INFO : VLL_DBG, "Called as %s", args);
175 /* Parse command line. */
176 parse_options(argc, argv);
177 commands = parse_commands(argc - optind, argv + optind, &n_commands);
183 /* Initialize IDL. */
184 idl = the_idl = ovsdb_idl_create(db, &ovsrec_idl_class, false);
185 run_prerequisites(commands, n_commands, idl);
187 /* Now execute the commands. */
188 status = TXN_AGAIN_WAIT;
190 if (ovsdb_idl_run(idl) || status == TXN_AGAIN_NOW) {
191 status = do_vsctl(args, commands, n_commands, idl);
194 if (status != TXN_AGAIN_NOW) {
202 parse_options(int argc, char *argv[])
205 OPT_DB = UCHAR_MAX + 1,
214 static struct option long_options[] = {
215 {"db", required_argument, NULL, OPT_DB},
216 {"no-syslog", no_argument, NULL, OPT_NO_SYSLOG},
217 {"no-wait", no_argument, NULL, OPT_NO_WAIT},
218 {"dry-run", no_argument, NULL, OPT_DRY_RUN},
219 {"oneline", no_argument, NULL, OPT_ONELINE},
220 {"timeout", required_argument, NULL, 't'},
221 {"help", no_argument, NULL, 'h'},
222 {"version", no_argument, NULL, 'V'},
225 STREAM_SSL_LONG_OPTIONS,
226 {"peer-ca-cert", required_argument, NULL, OPT_PEER_CA_CERT},
229 char *tmp, *short_options;
231 tmp = long_options_to_short_options(long_options);
232 short_options = xasprintf("+%s", tmp);
235 table_style.format = TF_LIST;
240 c = getopt_long(argc, argv, short_options, long_options, NULL);
255 vlog_set_levels(&VLM_vsctl, VLF_SYSLOG, VLL_WARN);
259 wait_for_reload = false;
270 ovs_print_version(0, 0);
274 timeout = strtoul(optarg, NULL, 10);
276 vsctl_fatal("value %s on -t or --timeout is invalid",
282 TABLE_OPTION_HANDLERS(&table_style)
284 STREAM_SSL_OPTION_HANDLERS
286 case OPT_PEER_CA_CERT:
287 stream_ssl_set_peer_ca_cert_file(optarg);
304 static struct vsctl_command *
305 parse_commands(int argc, char *argv[], size_t *n_commandsp)
307 struct vsctl_command *commands;
308 size_t n_commands, allocated_commands;
312 n_commands = allocated_commands = 0;
314 for (start = i = 0; i <= argc; i++) {
315 if (i == argc || !strcmp(argv[i], "--")) {
317 if (n_commands >= allocated_commands) {
318 struct vsctl_command *c;
320 commands = x2nrealloc(commands, &allocated_commands,
322 for (c = commands; c < &commands[n_commands]; c++) {
323 shash_moved(&c->options);
326 parse_command(i - start, &argv[start],
327 &commands[n_commands++]);
333 vsctl_fatal("missing command name (use --help for help)");
335 *n_commandsp = n_commands;
340 parse_command(int argc, char *argv[], struct vsctl_command *command)
342 const struct vsctl_command_syntax *p;
343 struct shash_node *node;
347 shash_init(&command->options);
348 for (i = 0; i < argc; i++) {
349 const char *option = argv[i];
353 if (option[0] != '-') {
357 equals = strchr(option, '=');
359 key = xmemdup0(option, equals - option);
360 value = xstrdup(equals + 1);
362 key = xstrdup(option);
366 if (shash_find(&command->options, key)) {
367 vsctl_fatal("'%s' option specified multiple times", argv[i]);
369 shash_add_nocopy(&command->options, key, value);
372 vsctl_fatal("missing command name");
375 p = find_command(argv[i]);
377 vsctl_fatal("unknown command '%s'; use --help for help", argv[i]);
380 SHASH_FOR_EACH (node, &command->options) {
381 const char *s = strstr(p->options, node->name);
382 int end = s ? s[strlen(node->name)] : EOF;
384 if (end != '=' && end != ',' && end != ' ' && end != '\0') {
385 vsctl_fatal("'%s' command has no '%s' option",
386 argv[i], node->name);
388 if ((end == '=') != (node->data != NULL)) {
390 vsctl_fatal("missing argument to '%s' option on '%s' "
391 "command", node->name, argv[i]);
393 vsctl_fatal("'%s' option on '%s' does not accept an "
394 "argument", node->name, argv[i]);
399 n_arg = argc - i - 1;
400 if (n_arg < p->min_args) {
401 vsctl_fatal("'%s' command requires at least %d arguments",
402 p->name, p->min_args);
403 } else if (n_arg > p->max_args) {
406 for (j = i + 1; j < argc; j++) {
407 if (argv[j][0] == '-') {
408 vsctl_fatal("'%s' command takes at most %d arguments "
409 "(note that options must precede command "
410 "names and follow a \"--\" argument)",
411 p->name, p->max_args);
415 vsctl_fatal("'%s' command takes at most %d arguments",
416 p->name, p->max_args);
420 command->argc = n_arg + 1;
421 command->argv = &argv[i];
424 /* Returns the "struct vsctl_command_syntax" for a given command 'name', or a
425 * null pointer if there is none. */
426 static const struct vsctl_command_syntax *
427 find_command(const char *name)
429 static struct shash commands = SHASH_INITIALIZER(&commands);
431 if (shash_is_empty(&commands)) {
432 const struct vsctl_command_syntax *p;
434 for (p = all_commands; p->name; p++) {
435 shash_add_assert(&commands, p->name, p);
439 return shash_find_data(&commands, name);
443 vsctl_fatal(const char *format, ...)
448 va_start(args, format);
449 message = xvasprintf(format, args);
452 vlog_set_levels(&VLM_vsctl, VLF_CONSOLE, VLL_OFF);
453 VLOG_ERR("%s", message);
454 ovs_error(0, "%s", message);
455 vsctl_exit(EXIT_FAILURE);
458 /* Frees the current transaction and the underlying IDL and then calls
461 * Freeing the transaction and the IDL is not strictly necessary, but it makes
462 * for a clean memory leak report from valgrind in the normal case. That makes
463 * it easier to notice real memory leaks. */
465 vsctl_exit(int status)
468 ovsdb_idl_txn_abort(the_idl_txn);
469 ovsdb_idl_txn_destroy(the_idl_txn);
471 ovsdb_idl_destroy(the_idl);
479 %s: ovs-vswitchd management utility\n\
480 usage: %s [OPTIONS] COMMAND [ARG...]\n\
482 Open vSwitch commands:\n\
483 init initialize database, if not yet initialized\n\
484 show print overview of database contents\n\
485 emer-reset reset configuration to clean state\n\
488 add-br BRIDGE create a new bridge named BRIDGE\n\
489 add-br BRIDGE PARENT VLAN create new fake BRIDGE in PARENT on VLAN\n\
490 del-br BRIDGE delete BRIDGE and all of its ports\n\
491 list-br print the names of all the bridges\n\
492 br-exists BRIDGE test whether BRIDGE exists\n\
493 br-to-vlan BRIDGE print the VLAN which BRIDGE is on\n\
494 br-to-parent BRIDGE print the parent of BRIDGE\n\
495 br-set-external-id BRIDGE KEY VALUE set KEY on BRIDGE to VALUE\n\
496 br-set-external-id BRIDGE KEY unset KEY on BRIDGE\n\
497 br-get-external-id BRIDGE KEY print value of KEY on BRIDGE\n\
498 br-get-external-id BRIDGE list key-value pairs on BRIDGE\n\
500 Port commands (a bond is considered to be a single port):\n\
501 list-ports BRIDGE print the names of all the ports on BRIDGE\n\
502 add-port BRIDGE PORT add network device PORT to BRIDGE\n\
503 add-bond BRIDGE PORT IFACE... add bonded port PORT in BRIDGE from IFACES\n\
504 del-port [BRIDGE] PORT delete PORT (which may be bonded) from BRIDGE\n\
505 port-to-br PORT print name of bridge that contains PORT\n\
507 Interface commands (a bond consists of multiple interfaces):\n\
508 list-ifaces BRIDGE print the names of all interfaces on BRIDGE\n\
509 iface-to-br IFACE print name of bridge that contains IFACE\n\
511 Controller commands:\n\
512 get-controller BRIDGE print the controllers for BRIDGE\n\
513 del-controller BRIDGE delete the controllers for BRIDGE\n\
514 set-controller BRIDGE TARGET... set the controllers for BRIDGE\n\
515 get-fail-mode BRIDGE print the fail-mode for BRIDGE\n\
516 del-fail-mode BRIDGE delete the fail-mode for BRIDGE\n\
517 set-fail-mode BRIDGE MODE set the fail-mode for BRIDGE to MODE\n\
520 get-manager print the managers\n\
521 del-manager delete the managers\n\
522 set-manager TARGET... set the list of managers to TARGET...\n\
525 get-ssl print the SSL configuration\n\
526 del-ssl delete the SSL configuration\n\
527 set-ssl PRIV-KEY CERT CA-CERT set the SSL configuration\n\
530 emer-reset reset switch to known good state\n\
532 Database commands:\n\
533 list TBL [REC] list RECord (or all records) in TBL\n\
534 find TBL CONDITION... list records satisfying CONDITION in TBL\n\
535 get TBL REC COL[:KEY] print values of COLumns in RECord in TBL\n\
536 set TBL REC COL[:KEY]=VALUE set COLumn values in RECord in TBL\n\
537 add TBL REC COL [KEY=]VALUE add (KEY=)VALUE to COLumn in RECord in TBL\n\
538 remove TBL REC COL [KEY=]VALUE remove (KEY=)VALUE from COLumn\n\
539 clear TBL REC COL clear values from COLumn in RECord in TBL\n\
540 create TBL COL[:KEY]=VALUE create and initialize new record\n\
541 destroy TBL REC delete RECord from TBL\n\
542 wait-until TBL REC [COL[:KEY]=VALUE] wait until condition is true\n\
543 Potentially unsafe database commands require --force option.\n\
546 --db=DATABASE connect to DATABASE\n\
548 --no-wait do not wait for ovs-vswitchd to reconfigure\n\
549 -t, --timeout=SECS wait at most SECS seconds for ovs-vswitchd\n\
550 --dry-run do not commit changes to database\n\
551 --oneline print exactly one line of output per command\n",
552 program_name, program_name, default_db());
555 --no-syslog equivalent to --verbose=vsctl:syslog:warn\n");
556 stream_usage("database", true, true, false);
559 -h, --help display this help message\n\
560 -V, --version display version information\n");
569 def = xasprintf("unix:%s/db.sock", ovs_rundir());
574 /* Returns true if it looks like this set of arguments might modify the
575 * database, otherwise false. (Not very smart, so it's prone to false
578 might_write_to_db(char **argv)
580 for (; *argv; argv++) {
581 const struct vsctl_command_syntax *p = find_command(*argv);
582 if (p && p->mode == RW) {
589 struct vsctl_context {
593 struct shash options;
595 /* Modifiable state. */
598 struct ovsdb_idl *idl;
599 struct ovsdb_idl_txn *txn;
600 struct ovsdb_symbol_table *symtab;
601 const struct ovsrec_open_vswitch *ovs;
604 /* A command may set this member to true if some prerequisite is not met
605 * and the caller should wait for something to change and then retry. */
609 struct vsctl_bridge {
610 struct ovsrec_bridge *br_cfg;
612 struct ovsrec_controller **ctrl;
615 struct vsctl_bridge *parent;
620 struct ovsrec_port *port_cfg;
621 struct vsctl_bridge *bridge;
625 struct ovsrec_interface *iface_cfg;
626 struct vsctl_port *port;
630 struct vsctl_context *ctx;
631 struct shash bridges; /* Maps from bridge name to struct vsctl_bridge. */
632 struct shash ports; /* Maps from port name to struct vsctl_port. */
633 struct shash ifaces; /* Maps from port name to struct vsctl_iface. */
637 vsctl_context_to_string(const struct vsctl_context *ctx)
639 const struct shash_node *node;
645 SHASH_FOR_EACH (node, &ctx->options) {
646 svec_add(&words, node->name);
648 for (i = 0; i < ctx->argc; i++) {
649 svec_add(&words, ctx->argv[i]);
651 svec_terminate(&words);
653 s = process_escape_args(words.names);
655 svec_destroy(&words);
661 verify_ports(struct vsctl_context *ctx)
663 if (!ctx->verified_ports) {
664 const struct ovsrec_bridge *bridge;
665 const struct ovsrec_port *port;
667 ovsrec_open_vswitch_verify_bridges(ctx->ovs);
668 OVSREC_BRIDGE_FOR_EACH (bridge, ctx->idl) {
669 ovsrec_bridge_verify_ports(bridge);
671 OVSREC_PORT_FOR_EACH (port, ctx->idl) {
672 ovsrec_port_verify_interfaces(port);
675 ctx->verified_ports = true;
679 static struct vsctl_bridge *
680 add_bridge(struct vsctl_info *b,
681 struct ovsrec_bridge *br_cfg, const char *name,
682 struct vsctl_bridge *parent, int vlan)
684 struct vsctl_bridge *br = xmalloc(sizeof *br);
686 br->name = xstrdup(name);
690 br->ctrl = parent->br_cfg->controller;
691 br->n_ctrl = parent->br_cfg->n_controller;
692 br->fail_mode = parent->br_cfg->fail_mode;
694 br->ctrl = br_cfg->controller;
695 br->n_ctrl = br_cfg->n_controller;
696 br->fail_mode = br_cfg->fail_mode;
698 shash_add(&b->bridges, br->name, br);
703 port_is_fake_bridge(const struct ovsrec_port *port_cfg)
705 return (port_cfg->fake_bridge
707 && *port_cfg->tag >= 1 && *port_cfg->tag <= 4095);
710 static struct vsctl_bridge *
711 find_vlan_bridge(struct vsctl_info *info,
712 struct vsctl_bridge *parent, int vlan)
714 struct shash_node *node;
716 SHASH_FOR_EACH (node, &info->bridges) {
717 struct vsctl_bridge *br = node->data;
718 if (br->parent == parent && br->vlan == vlan) {
727 free_info(struct vsctl_info *info)
729 struct shash_node *node;
731 SHASH_FOR_EACH (node, &info->bridges) {
732 struct vsctl_bridge *bridge = node->data;
736 shash_destroy(&info->bridges);
738 shash_destroy_free_data(&info->ports);
739 shash_destroy_free_data(&info->ifaces);
743 pre_get_info(struct vsctl_context *ctx)
745 ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_bridges);
747 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_name);
748 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_controller);
749 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_fail_mode);
750 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_ports);
752 ovsdb_idl_add_column(ctx->idl, &ovsrec_port_col_name);
753 ovsdb_idl_add_column(ctx->idl, &ovsrec_port_col_fake_bridge);
754 ovsdb_idl_add_column(ctx->idl, &ovsrec_port_col_tag);
755 ovsdb_idl_add_column(ctx->idl, &ovsrec_port_col_interfaces);
757 ovsdb_idl_add_column(ctx->idl, &ovsrec_interface_col_name);
761 get_info(struct vsctl_context *ctx, struct vsctl_info *info)
763 const struct ovsrec_open_vswitch *ovs = ctx->ovs;
764 struct sset bridges, ports;
768 shash_init(&info->bridges);
769 shash_init(&info->ports);
770 shash_init(&info->ifaces);
774 for (i = 0; i < ovs->n_bridges; i++) {
775 struct ovsrec_bridge *br_cfg = ovs->bridges[i];
776 struct vsctl_bridge *br;
779 if (!sset_add(&bridges, br_cfg->name)) {
780 VLOG_WARN("%s: database contains duplicate bridge name",
784 br = add_bridge(info, br_cfg, br_cfg->name, NULL, 0);
789 for (j = 0; j < br_cfg->n_ports; j++) {
790 struct ovsrec_port *port_cfg = br_cfg->ports[j];
792 if (!sset_add(&ports, port_cfg->name)) {
793 /* Duplicate port name. (We will warn about that later.) */
797 if (port_is_fake_bridge(port_cfg)
798 && sset_add(&bridges, port_cfg->name)) {
799 add_bridge(info, NULL, port_cfg->name, br, *port_cfg->tag);
803 sset_destroy(&bridges);
804 sset_destroy(&ports);
807 for (i = 0; i < ovs->n_bridges; i++) {
808 struct ovsrec_bridge *br_cfg = ovs->bridges[i];
809 struct vsctl_bridge *br;
812 if (!sset_add(&bridges, br_cfg->name)) {
815 br = shash_find_data(&info->bridges, br_cfg->name);
816 for (j = 0; j < br_cfg->n_ports; j++) {
817 struct ovsrec_port *port_cfg = br_cfg->ports[j];
818 struct vsctl_port *port;
821 port = shash_find_data(&info->ports, port_cfg->name);
823 if (port_cfg == port->port_cfg) {
824 VLOG_WARN("%s: port is in multiple bridges (%s and %s)",
825 port_cfg->name, br->name, port->bridge->name);
827 /* Log as an error because this violates the database's
828 * uniqueness constraints, so the database server shouldn't
829 * have allowed it. */
830 VLOG_ERR("%s: database contains duplicate port name",
836 if (port_is_fake_bridge(port_cfg)
837 && !sset_add(&bridges, port_cfg->name)) {
841 port = xmalloc(sizeof *port);
842 port->port_cfg = port_cfg;
844 && *port_cfg->tag >= 1 && *port_cfg->tag <= 4095) {
845 port->bridge = find_vlan_bridge(info, br, *port_cfg->tag);
852 shash_add(&info->ports, port_cfg->name, port);
854 for (k = 0; k < port_cfg->n_interfaces; k++) {
855 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[k];
856 struct vsctl_iface *iface;
858 iface = shash_find_data(&info->ifaces, iface_cfg->name);
860 if (iface_cfg == iface->iface_cfg) {
861 VLOG_WARN("%s: interface is in multiple ports "
864 iface->port->port_cfg->name,
865 port->port_cfg->name);
867 /* Log as an error because this violates the database's
868 * uniqueness constraints, so the database server
869 * shouldn't have allowed it. */
870 VLOG_ERR("%s: database contains duplicate interface "
871 "name", iface_cfg->name);
876 iface = xmalloc(sizeof *iface);
877 iface->iface_cfg = iface_cfg;
879 shash_add(&info->ifaces, iface_cfg->name, iface);
883 sset_destroy(&bridges);
887 check_conflicts(struct vsctl_info *info, const char *name,
890 struct vsctl_iface *iface;
891 struct vsctl_port *port;
893 verify_ports(info->ctx);
895 if (shash_find(&info->bridges, name)) {
896 vsctl_fatal("%s because a bridge named %s already exists",
900 port = shash_find_data(&info->ports, name);
902 vsctl_fatal("%s because a port named %s already exists on "
903 "bridge %s", msg, name, port->bridge->name);
906 iface = shash_find_data(&info->ifaces, name);
908 vsctl_fatal("%s because an interface named %s already exists "
909 "on bridge %s", msg, name, iface->port->bridge->name);
915 static struct vsctl_bridge *
916 find_bridge(struct vsctl_info *info, const char *name, bool must_exist)
918 struct vsctl_bridge *br = shash_find_data(&info->bridges, name);
919 if (must_exist && !br) {
920 vsctl_fatal("no bridge named %s", name);
922 ovsrec_open_vswitch_verify_bridges(info->ctx->ovs);
926 static struct vsctl_bridge *
927 find_real_bridge(struct vsctl_info *info, const char *name, bool must_exist)
929 struct vsctl_bridge *br = find_bridge(info, name, must_exist);
930 if (br && br->parent) {
931 vsctl_fatal("%s is a fake bridge", name);
936 static struct vsctl_port *
937 find_port(struct vsctl_info *info, const char *name, bool must_exist)
939 struct vsctl_port *port = shash_find_data(&info->ports, name);
940 if (port && !strcmp(name, port->bridge->name)) {
943 if (must_exist && !port) {
944 vsctl_fatal("no port named %s", name);
946 verify_ports(info->ctx);
950 static struct vsctl_iface *
951 find_iface(struct vsctl_info *info, const char *name, bool must_exist)
953 struct vsctl_iface *iface = shash_find_data(&info->ifaces, name);
954 if (iface && !strcmp(name, iface->port->bridge->name)) {
957 if (must_exist && !iface) {
958 vsctl_fatal("no interface named %s", name);
960 verify_ports(info->ctx);
965 bridge_insert_port(struct ovsrec_bridge *br, struct ovsrec_port *port)
967 struct ovsrec_port **ports;
970 ports = xmalloc(sizeof *br->ports * (br->n_ports + 1));
971 for (i = 0; i < br->n_ports; i++) {
972 ports[i] = br->ports[i];
974 ports[br->n_ports] = port;
975 ovsrec_bridge_set_ports(br, ports, br->n_ports + 1);
980 bridge_delete_port(struct ovsrec_bridge *br, struct ovsrec_port *port)
982 struct ovsrec_port **ports;
985 ports = xmalloc(sizeof *br->ports * br->n_ports);
986 for (i = n = 0; i < br->n_ports; i++) {
987 if (br->ports[i] != port) {
988 ports[n++] = br->ports[i];
991 ovsrec_bridge_set_ports(br, ports, n);
996 ovs_insert_bridge(const struct ovsrec_open_vswitch *ovs,
997 struct ovsrec_bridge *bridge)
999 struct ovsrec_bridge **bridges;
1002 bridges = xmalloc(sizeof *ovs->bridges * (ovs->n_bridges + 1));
1003 for (i = 0; i < ovs->n_bridges; i++) {
1004 bridges[i] = ovs->bridges[i];
1006 bridges[ovs->n_bridges] = bridge;
1007 ovsrec_open_vswitch_set_bridges(ovs, bridges, ovs->n_bridges + 1);
1012 ovs_delete_bridge(const struct ovsrec_open_vswitch *ovs,
1013 struct ovsrec_bridge *bridge)
1015 struct ovsrec_bridge **bridges;
1018 bridges = xmalloc(sizeof *ovs->bridges * ovs->n_bridges);
1019 for (i = n = 0; i < ovs->n_bridges; i++) {
1020 if (ovs->bridges[i] != bridge) {
1021 bridges[n++] = ovs->bridges[i];
1024 ovsrec_open_vswitch_set_bridges(ovs, bridges, n);
1029 cmd_init(struct vsctl_context *ctx OVS_UNUSED)
1033 struct cmd_show_table {
1034 const struct ovsdb_idl_table_class *table;
1035 const struct ovsdb_idl_column *name_column;
1036 const struct ovsdb_idl_column *columns[3];
1040 static struct cmd_show_table cmd_show_tables[] = {
1041 {&ovsrec_table_open_vswitch,
1043 {&ovsrec_open_vswitch_col_manager_options,
1044 &ovsrec_open_vswitch_col_bridges,
1045 &ovsrec_open_vswitch_col_ovs_version},
1048 {&ovsrec_table_bridge,
1049 &ovsrec_bridge_col_name,
1050 {&ovsrec_bridge_col_controller,
1051 &ovsrec_bridge_col_fail_mode,
1052 &ovsrec_bridge_col_ports},
1055 {&ovsrec_table_port,
1056 &ovsrec_port_col_name,
1057 {&ovsrec_port_col_tag,
1058 &ovsrec_port_col_trunks,
1059 &ovsrec_port_col_interfaces},
1062 {&ovsrec_table_interface,
1063 &ovsrec_interface_col_name,
1064 {&ovsrec_interface_col_type,
1065 &ovsrec_interface_col_options,
1069 {&ovsrec_table_controller,
1070 &ovsrec_controller_col_target,
1071 {&ovsrec_controller_col_is_connected,
1076 {&ovsrec_table_manager,
1077 &ovsrec_manager_col_target,
1078 {&ovsrec_manager_col_is_connected,
1085 pre_cmd_show(struct vsctl_context *ctx)
1087 struct cmd_show_table *show;
1089 for (show = cmd_show_tables;
1090 show < &cmd_show_tables[ARRAY_SIZE(cmd_show_tables)];
1094 ovsdb_idl_add_table(ctx->idl, show->table);
1095 if (show->name_column) {
1096 ovsdb_idl_add_column(ctx->idl, show->name_column);
1098 for (i = 0; i < ARRAY_SIZE(show->columns); i++) {
1099 const struct ovsdb_idl_column *column = show->columns[i];
1101 ovsdb_idl_add_column(ctx->idl, column);
1107 static struct cmd_show_table *
1108 cmd_show_find_table_by_row(const struct ovsdb_idl_row *row)
1110 struct cmd_show_table *show;
1112 for (show = cmd_show_tables;
1113 show < &cmd_show_tables[ARRAY_SIZE(cmd_show_tables)];
1115 if (show->table == row->table->class) {
1122 static struct cmd_show_table *
1123 cmd_show_find_table_by_name(const char *name)
1125 struct cmd_show_table *show;
1127 for (show = cmd_show_tables;
1128 show < &cmd_show_tables[ARRAY_SIZE(cmd_show_tables)];
1130 if (!strcmp(show->table->name, name)) {
1138 cmd_show_row(struct vsctl_context *ctx, const struct ovsdb_idl_row *row,
1141 struct cmd_show_table *show = cmd_show_find_table_by_row(row);
1144 ds_put_char_multiple(&ctx->output, ' ', level * 4);
1145 if (show && show->name_column) {
1146 const struct ovsdb_datum *datum;
1148 ds_put_format(&ctx->output, "%s ", show->table->name);
1149 datum = ovsdb_idl_read(row, show->name_column);
1150 ovsdb_datum_to_string(datum, &show->name_column->type, &ctx->output);
1152 ds_put_format(&ctx->output, UUID_FMT, UUID_ARGS(&row->uuid));
1154 ds_put_char(&ctx->output, '\n');
1156 if (!show || show->recurse) {
1160 show->recurse = true;
1161 for (i = 0; i < ARRAY_SIZE(show->columns); i++) {
1162 const struct ovsdb_idl_column *column = show->columns[i];
1163 const struct ovsdb_datum *datum;
1169 datum = ovsdb_idl_read(row, column);
1170 if (column->type.key.type == OVSDB_TYPE_UUID &&
1171 column->type.key.u.uuid.refTableName) {
1172 struct cmd_show_table *ref_show;
1175 ref_show = cmd_show_find_table_by_name(
1176 column->type.key.u.uuid.refTableName);
1178 for (j = 0; j < datum->n; j++) {
1179 const struct ovsdb_idl_row *ref_row;
1181 ref_row = ovsdb_idl_get_row_for_uuid(ctx->idl,
1183 &datum->keys[j].uuid);
1185 cmd_show_row(ctx, ref_row, level + 1);
1192 if (!ovsdb_datum_is_default(datum, &column->type)) {
1193 ds_put_char_multiple(&ctx->output, ' ', (level + 1) * 4);
1194 ds_put_format(&ctx->output, "%s: ", column->name);
1195 ovsdb_datum_to_string(datum, &column->type, &ctx->output);
1196 ds_put_char(&ctx->output, '\n');
1199 show->recurse = false;
1203 cmd_show(struct vsctl_context *ctx)
1205 const struct ovsdb_idl_row *row;
1207 for (row = ovsdb_idl_first_row(ctx->idl, cmd_show_tables[0].table);
1208 row; row = ovsdb_idl_next_row(row)) {
1209 cmd_show_row(ctx, row, 0);
1214 pre_cmd_emer_reset(struct vsctl_context *ctx)
1216 ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_manager_options);
1217 ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_ssl);
1219 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_controller);
1220 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_fail_mode);
1221 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_mirrors);
1222 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_netflow);
1223 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_sflow);
1224 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_flood_vlans);
1225 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_other_config);
1227 ovsdb_idl_add_column(ctx->idl, &ovsrec_port_col_other_config);
1229 ovsdb_idl_add_column(ctx->idl,
1230 &ovsrec_interface_col_ingress_policing_rate);
1231 ovsdb_idl_add_column(ctx->idl,
1232 &ovsrec_interface_col_ingress_policing_burst);
1236 cmd_emer_reset(struct vsctl_context *ctx)
1238 const struct ovsdb_idl *idl = ctx->idl;
1239 const struct ovsrec_bridge *br;
1240 const struct ovsrec_port *port;
1241 const struct ovsrec_interface *iface;
1242 const struct ovsrec_mirror *mirror, *next_mirror;
1243 const struct ovsrec_controller *ctrl, *next_ctrl;
1244 const struct ovsrec_manager *mgr, *next_mgr;
1245 const struct ovsrec_netflow *nf, *next_nf;
1246 const struct ovsrec_ssl *ssl, *next_ssl;
1247 const struct ovsrec_sflow *sflow, *next_sflow;
1249 /* Reset the Open_vSwitch table. */
1250 ovsrec_open_vswitch_set_manager_options(ctx->ovs, NULL, 0);
1251 ovsrec_open_vswitch_set_ssl(ctx->ovs, NULL);
1253 OVSREC_BRIDGE_FOR_EACH (br, idl) {
1255 char *hw_key = "hwaddr";
1256 char *hw_val = NULL;
1258 ovsrec_bridge_set_controller(br, NULL, 0);
1259 ovsrec_bridge_set_fail_mode(br, NULL);
1260 ovsrec_bridge_set_mirrors(br, NULL, 0);
1261 ovsrec_bridge_set_netflow(br, NULL);
1262 ovsrec_bridge_set_sflow(br, NULL);
1263 ovsrec_bridge_set_flood_vlans(br, NULL, 0);
1265 /* We only want to save the "hwaddr" key from other_config. */
1266 for (i=0; i < br->n_other_config; i++) {
1267 if (!strcmp(br->key_other_config[i], hw_key)) {
1268 hw_val = br->value_other_config[i];
1273 char *val = xstrdup(hw_val);
1274 ovsrec_bridge_set_other_config(br, &hw_key, &val, 1);
1277 ovsrec_bridge_set_other_config(br, NULL, NULL, 0);
1281 OVSREC_PORT_FOR_EACH (port, idl) {
1282 ovsrec_port_set_other_config(port, NULL, NULL, 0);
1285 OVSREC_INTERFACE_FOR_EACH (iface, idl) {
1286 /* xxx What do we do about gre/patch devices created by mgr? */
1288 ovsrec_interface_set_ingress_policing_rate(iface, 0);
1289 ovsrec_interface_set_ingress_policing_burst(iface, 0);
1292 OVSREC_MIRROR_FOR_EACH_SAFE (mirror, next_mirror, idl) {
1293 ovsrec_mirror_delete(mirror);
1296 OVSREC_CONTROLLER_FOR_EACH_SAFE (ctrl, next_ctrl, idl) {
1297 ovsrec_controller_delete(ctrl);
1300 OVSREC_MANAGER_FOR_EACH_SAFE (mgr, next_mgr, idl) {
1301 ovsrec_manager_delete(mgr);
1304 OVSREC_NETFLOW_FOR_EACH_SAFE (nf, next_nf, idl) {
1305 ovsrec_netflow_delete(nf);
1308 OVSREC_SSL_FOR_EACH_SAFE (ssl, next_ssl, idl) {
1309 ovsrec_ssl_delete(ssl);
1312 OVSREC_SFLOW_FOR_EACH_SAFE (sflow, next_sflow, idl) {
1313 ovsrec_sflow_delete(sflow);
1318 cmd_add_br(struct vsctl_context *ctx)
1320 bool may_exist = shash_find(&ctx->options, "--may-exist") != NULL;
1321 const char *br_name, *parent_name;
1322 struct vsctl_info info;
1325 br_name = ctx->argv[1];
1326 if (ctx->argc == 2) {
1329 } else if (ctx->argc == 4) {
1330 parent_name = ctx->argv[2];
1331 vlan = atoi(ctx->argv[3]);
1332 if (vlan < 1 || vlan > 4095) {
1333 vsctl_fatal("%s: vlan must be between 1 and 4095", ctx->argv[0]);
1336 vsctl_fatal("'%s' command takes exactly 1 or 3 arguments",
1340 get_info(ctx, &info);
1342 struct vsctl_bridge *br;
1344 br = find_bridge(&info, br_name, false);
1348 vsctl_fatal("\"--may-exist add-br %s\" but %s is "
1349 "a VLAN bridge for VLAN %d",
1350 br_name, br_name, br->vlan);
1354 vsctl_fatal("\"--may-exist add-br %s %s %d\" but %s "
1355 "is not a VLAN bridge",
1356 br_name, parent_name, vlan, br_name);
1357 } else if (strcmp(br->parent->name, parent_name)) {
1358 vsctl_fatal("\"--may-exist add-br %s %s %d\" but %s "
1359 "has the wrong parent %s",
1360 br_name, parent_name, vlan,
1361 br_name, br->parent->name);
1362 } else if (br->vlan != vlan) {
1363 vsctl_fatal("\"--may-exist add-br %s %s %d\" but %s "
1364 "is a VLAN bridge for the wrong VLAN %d",
1365 br_name, parent_name, vlan, br_name, br->vlan);
1371 check_conflicts(&info, br_name,
1372 xasprintf("cannot create a bridge named %s", br_name));
1375 struct ovsrec_port *port;
1376 struct ovsrec_interface *iface;
1377 struct ovsrec_bridge *br;
1379 iface = ovsrec_interface_insert(ctx->txn);
1380 ovsrec_interface_set_name(iface, br_name);
1381 ovsrec_interface_set_type(iface, "internal");
1383 port = ovsrec_port_insert(ctx->txn);
1384 ovsrec_port_set_name(port, br_name);
1385 ovsrec_port_set_interfaces(port, &iface, 1);
1387 br = ovsrec_bridge_insert(ctx->txn);
1388 ovsrec_bridge_set_name(br, br_name);
1389 ovsrec_bridge_set_ports(br, &port, 1);
1391 ovs_insert_bridge(ctx->ovs, br);
1393 struct vsctl_bridge *parent;
1394 struct ovsrec_port *port;
1395 struct ovsrec_interface *iface;
1396 struct ovsrec_bridge *br;
1399 parent = find_bridge(&info, parent_name, false);
1400 if (parent && parent->vlan) {
1401 vsctl_fatal("cannot create bridge with fake bridge as parent");
1404 vsctl_fatal("parent bridge %s does not exist", parent_name);
1406 br = parent->br_cfg;
1408 iface = ovsrec_interface_insert(ctx->txn);
1409 ovsrec_interface_set_name(iface, br_name);
1410 ovsrec_interface_set_type(iface, "internal");
1412 port = ovsrec_port_insert(ctx->txn);
1413 ovsrec_port_set_name(port, br_name);
1414 ovsrec_port_set_interfaces(port, &iface, 1);
1415 ovsrec_port_set_fake_bridge(port, true);
1416 ovsrec_port_set_tag(port, &tag, 1);
1418 bridge_insert_port(br, port);
1425 del_port(struct vsctl_info *info, struct vsctl_port *port)
1427 struct shash_node *node;
1429 SHASH_FOR_EACH (node, &info->ifaces) {
1430 struct vsctl_iface *iface = node->data;
1431 if (iface->port == port) {
1432 ovsrec_interface_delete(iface->iface_cfg);
1435 ovsrec_port_delete(port->port_cfg);
1437 bridge_delete_port((port->bridge->parent
1438 ? port->bridge->parent->br_cfg
1439 : port->bridge->br_cfg), port->port_cfg);
1443 cmd_del_br(struct vsctl_context *ctx)
1445 bool must_exist = !shash_find(&ctx->options, "--if-exists");
1446 struct vsctl_bridge *bridge;
1447 struct vsctl_info info;
1449 get_info(ctx, &info);
1450 bridge = find_bridge(&info, ctx->argv[1], must_exist);
1452 struct shash_node *node;
1454 SHASH_FOR_EACH (node, &info.ports) {
1455 struct vsctl_port *port = node->data;
1456 if (port->bridge == bridge || port->bridge->parent == bridge
1457 || !strcmp(port->port_cfg->name, bridge->name)) {
1458 del_port(&info, port);
1461 if (bridge->br_cfg) {
1462 ovsrec_bridge_delete(bridge->br_cfg);
1463 ovs_delete_bridge(ctx->ovs, bridge->br_cfg);
1470 output_sorted(struct svec *svec, struct ds *output)
1476 SVEC_FOR_EACH (i, name, svec) {
1477 ds_put_format(output, "%s\n", name);
1482 cmd_list_br(struct vsctl_context *ctx)
1484 struct shash_node *node;
1485 struct vsctl_info info;
1486 struct svec bridges;
1488 get_info(ctx, &info);
1490 svec_init(&bridges);
1491 SHASH_FOR_EACH (node, &info.bridges) {
1492 struct vsctl_bridge *br = node->data;
1493 svec_add(&bridges, br->name);
1495 output_sorted(&bridges, &ctx->output);
1496 svec_destroy(&bridges);
1502 cmd_br_exists(struct vsctl_context *ctx)
1504 struct vsctl_info info;
1506 get_info(ctx, &info);
1507 if (!find_bridge(&info, ctx->argv[1], false)) {
1513 /* Returns true if 'b_prefix' (of length 'b_prefix_len') concatenated with 'b'
1514 * equals 'a', false otherwise. */
1516 key_matches(const char *a,
1517 const char *b_prefix, size_t b_prefix_len, const char *b)
1519 return !strncmp(a, b_prefix, b_prefix_len) && !strcmp(a + b_prefix_len, b);
1523 set_external_id(char **old_keys, char **old_values, size_t old_n,
1524 char *key, char *value,
1525 char ***new_keysp, char ***new_valuesp, size_t *new_np)
1532 new_keys = xmalloc(sizeof *new_keys * (old_n + 1));
1533 new_values = xmalloc(sizeof *new_values * (old_n + 1));
1535 for (i = 0; i < old_n; i++) {
1536 if (strcmp(key, old_keys[i])) {
1537 new_keys[new_n] = old_keys[i];
1538 new_values[new_n] = old_values[i];
1543 new_keys[new_n] = key;
1544 new_values[new_n] = value;
1547 *new_keysp = new_keys;
1548 *new_valuesp = new_values;
1553 pre_cmd_br_set_external_id(struct vsctl_context *ctx)
1556 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_external_ids);
1557 ovsdb_idl_add_column(ctx->idl, &ovsrec_port_col_external_ids);
1561 cmd_br_set_external_id(struct vsctl_context *ctx)
1563 struct vsctl_info info;
1564 struct vsctl_bridge *bridge;
1565 char **keys, **values;
1568 get_info(ctx, &info);
1569 bridge = find_bridge(&info, ctx->argv[1], true);
1570 if (bridge->br_cfg) {
1571 set_external_id(bridge->br_cfg->key_external_ids,
1572 bridge->br_cfg->value_external_ids,
1573 bridge->br_cfg->n_external_ids,
1574 ctx->argv[2], ctx->argc >= 4 ? ctx->argv[3] : NULL,
1575 &keys, &values, &n);
1576 ovsrec_bridge_verify_external_ids(bridge->br_cfg);
1577 ovsrec_bridge_set_external_ids(bridge->br_cfg, keys, values, n);
1579 char *key = xasprintf("fake-bridge-%s", ctx->argv[2]);
1580 struct vsctl_port *port = shash_find_data(&info.ports, ctx->argv[1]);
1581 set_external_id(port->port_cfg->key_external_ids,
1582 port->port_cfg->value_external_ids,
1583 port->port_cfg->n_external_ids,
1584 key, ctx->argc >= 4 ? ctx->argv[3] : NULL,
1585 &keys, &values, &n);
1586 ovsrec_port_verify_external_ids(port->port_cfg);
1587 ovsrec_port_set_external_ids(port->port_cfg, keys, values, n);
1597 get_external_id(char **keys, char **values, size_t n,
1598 const char *prefix, const char *key,
1601 size_t prefix_len = strlen(prefix);
1606 for (i = 0; i < n; i++) {
1607 if (!key && !strncmp(keys[i], prefix, prefix_len)) {
1608 svec_add_nocopy(&svec, xasprintf("%s=%s",
1609 keys[i] + prefix_len, values[i]));
1610 } else if (key && key_matches(keys[i], prefix, prefix_len, key)) {
1611 svec_add(&svec, values[i]);
1615 output_sorted(&svec, output);
1616 svec_destroy(&svec);
1620 pre_cmd_br_get_external_id(struct vsctl_context *ctx)
1622 pre_cmd_br_set_external_id(ctx);
1626 cmd_br_get_external_id(struct vsctl_context *ctx)
1628 struct vsctl_info info;
1629 struct vsctl_bridge *bridge;
1631 get_info(ctx, &info);
1632 bridge = find_bridge(&info, ctx->argv[1], true);
1633 if (bridge->br_cfg) {
1634 ovsrec_bridge_verify_external_ids(bridge->br_cfg);
1635 get_external_id(bridge->br_cfg->key_external_ids,
1636 bridge->br_cfg->value_external_ids,
1637 bridge->br_cfg->n_external_ids,
1638 "", ctx->argc >= 3 ? ctx->argv[2] : NULL,
1641 struct vsctl_port *port = shash_find_data(&info.ports, ctx->argv[1]);
1642 ovsrec_port_verify_external_ids(port->port_cfg);
1643 get_external_id(port->port_cfg->key_external_ids,
1644 port->port_cfg->value_external_ids,
1645 port->port_cfg->n_external_ids,
1646 "fake-bridge-", ctx->argc >= 3 ? ctx->argv[2] : NULL, &ctx->output);
1653 cmd_list_ports(struct vsctl_context *ctx)
1655 struct vsctl_bridge *br;
1656 struct shash_node *node;
1657 struct vsctl_info info;
1660 get_info(ctx, &info);
1661 br = find_bridge(&info, ctx->argv[1], true);
1662 ovsrec_bridge_verify_ports(br->br_cfg ? br->br_cfg : br->parent->br_cfg);
1665 SHASH_FOR_EACH (node, &info.ports) {
1666 struct vsctl_port *port = node->data;
1668 if (strcmp(port->port_cfg->name, br->name) && br == port->bridge) {
1669 svec_add(&ports, port->port_cfg->name);
1672 output_sorted(&ports, &ctx->output);
1673 svec_destroy(&ports);
1679 add_port(struct vsctl_context *ctx,
1680 const char *br_name, const char *port_name,
1681 bool may_exist, bool fake_iface,
1682 char *iface_names[], int n_ifaces,
1683 char *settings[], int n_settings)
1685 struct vsctl_info info;
1686 struct vsctl_bridge *bridge;
1687 struct ovsrec_interface **ifaces;
1688 struct ovsrec_port *port;
1691 get_info(ctx, &info);
1693 struct vsctl_port *vsctl_port;
1695 vsctl_port = find_port(&info, port_name, false);
1697 struct svec want_names, have_names;
1699 svec_init(&want_names);
1700 for (i = 0; i < n_ifaces; i++) {
1701 svec_add(&want_names, iface_names[i]);
1703 svec_sort(&want_names);
1705 svec_init(&have_names);
1706 for (i = 0; i < vsctl_port->port_cfg->n_interfaces; i++) {
1707 svec_add(&have_names,
1708 vsctl_port->port_cfg->interfaces[i]->name);
1710 svec_sort(&have_names);
1712 if (strcmp(vsctl_port->bridge->name, br_name)) {
1713 char *command = vsctl_context_to_string(ctx);
1714 vsctl_fatal("\"%s\" but %s is actually attached to bridge %s",
1715 command, port_name, vsctl_port->bridge->name);
1718 if (!svec_equal(&want_names, &have_names)) {
1719 char *have_names_string = svec_join(&have_names, ", ", "");
1720 char *command = vsctl_context_to_string(ctx);
1722 vsctl_fatal("\"%s\" but %s actually has interface(s) %s",
1723 command, port_name, have_names_string);
1726 svec_destroy(&want_names);
1727 svec_destroy(&have_names);
1732 check_conflicts(&info, port_name,
1733 xasprintf("cannot create a port named %s", port_name));
1734 for (i = 0; i < n_ifaces; i++) {
1735 check_conflicts(&info, iface_names[i],
1736 xasprintf("cannot create an interface named %s",
1739 bridge = find_bridge(&info, br_name, true);
1741 ifaces = xmalloc(n_ifaces * sizeof *ifaces);
1742 for (i = 0; i < n_ifaces; i++) {
1743 ifaces[i] = ovsrec_interface_insert(ctx->txn);
1744 ovsrec_interface_set_name(ifaces[i], iface_names[i]);
1747 port = ovsrec_port_insert(ctx->txn);
1748 ovsrec_port_set_name(port, port_name);
1749 ovsrec_port_set_interfaces(port, ifaces, n_ifaces);
1750 ovsrec_port_set_bond_fake_iface(port, fake_iface);
1754 int64_t tag = bridge->vlan;
1755 ovsrec_port_set_tag(port, &tag, 1);
1758 for (i = 0; i < n_settings; i++) {
1759 set_column(get_table("Port"), &port->header_, settings[i],
1763 bridge_insert_port((bridge->parent ? bridge->parent->br_cfg
1764 : bridge->br_cfg), port);
1770 cmd_add_port(struct vsctl_context *ctx)
1772 bool may_exist = shash_find(&ctx->options, "--may-exist") != NULL;
1774 add_port(ctx, ctx->argv[1], ctx->argv[2], may_exist, false,
1775 &ctx->argv[2], 1, &ctx->argv[3], ctx->argc - 3);
1779 cmd_add_bond(struct vsctl_context *ctx)
1781 bool may_exist = shash_find(&ctx->options, "--may-exist") != NULL;
1782 bool fake_iface = shash_find(&ctx->options, "--fake-iface");
1786 n_ifaces = ctx->argc - 3;
1787 for (i = 3; i < ctx->argc; i++) {
1788 if (strchr(ctx->argv[i], '=')) {
1794 vsctl_fatal("add-bond requires at least 2 interfaces, but only "
1795 "%d were specified", n_ifaces);
1798 add_port(ctx, ctx->argv[1], ctx->argv[2], may_exist, fake_iface,
1799 &ctx->argv[3], n_ifaces,
1800 &ctx->argv[n_ifaces + 3], ctx->argc - 3 - n_ifaces);
1804 cmd_del_port(struct vsctl_context *ctx)
1806 bool must_exist = !shash_find(&ctx->options, "--if-exists");
1807 bool with_iface = shash_find(&ctx->options, "--with-iface") != NULL;
1808 struct vsctl_port *port;
1809 struct vsctl_info info;
1811 get_info(ctx, &info);
1813 port = find_port(&info, ctx->argv[ctx->argc - 1], must_exist);
1815 const char *target = ctx->argv[ctx->argc - 1];
1816 struct vsctl_iface *iface;
1818 port = find_port(&info, target, false);
1820 iface = find_iface(&info, target, false);
1825 if (must_exist && !port) {
1826 vsctl_fatal("no port or interface named %s", target);
1831 if (ctx->argc == 3) {
1832 struct vsctl_bridge *bridge;
1834 bridge = find_bridge(&info, ctx->argv[1], true);
1835 if (port->bridge != bridge) {
1836 if (port->bridge->parent == bridge) {
1837 vsctl_fatal("bridge %s does not have a port %s (although "
1838 "its parent bridge %s does)",
1839 ctx->argv[1], ctx->argv[2],
1840 bridge->parent->name);
1842 vsctl_fatal("bridge %s does not have a port %s",
1843 ctx->argv[1], ctx->argv[2]);
1848 del_port(&info, port);
1855 cmd_port_to_br(struct vsctl_context *ctx)
1857 struct vsctl_port *port;
1858 struct vsctl_info info;
1860 get_info(ctx, &info);
1861 port = find_port(&info, ctx->argv[1], true);
1862 ds_put_format(&ctx->output, "%s\n", port->bridge->name);
1867 cmd_br_to_vlan(struct vsctl_context *ctx)
1869 struct vsctl_bridge *bridge;
1870 struct vsctl_info info;
1872 get_info(ctx, &info);
1873 bridge = find_bridge(&info, ctx->argv[1], true);
1874 ds_put_format(&ctx->output, "%d\n", bridge->vlan);
1879 cmd_br_to_parent(struct vsctl_context *ctx)
1881 struct vsctl_bridge *bridge;
1882 struct vsctl_info info;
1884 get_info(ctx, &info);
1885 bridge = find_bridge(&info, ctx->argv[1], true);
1886 if (bridge->parent) {
1887 bridge = bridge->parent;
1889 ds_put_format(&ctx->output, "%s\n", bridge->name);
1894 cmd_list_ifaces(struct vsctl_context *ctx)
1896 struct vsctl_bridge *br;
1897 struct shash_node *node;
1898 struct vsctl_info info;
1901 get_info(ctx, &info);
1902 br = find_bridge(&info, ctx->argv[1], true);
1906 SHASH_FOR_EACH (node, &info.ifaces) {
1907 struct vsctl_iface *iface = node->data;
1909 if (strcmp(iface->iface_cfg->name, br->name)
1910 && br == iface->port->bridge) {
1911 svec_add(&ifaces, iface->iface_cfg->name);
1914 output_sorted(&ifaces, &ctx->output);
1915 svec_destroy(&ifaces);
1921 cmd_iface_to_br(struct vsctl_context *ctx)
1923 struct vsctl_iface *iface;
1924 struct vsctl_info info;
1926 get_info(ctx, &info);
1927 iface = find_iface(&info, ctx->argv[1], true);
1928 ds_put_format(&ctx->output, "%s\n", iface->port->bridge->name);
1933 verify_controllers(struct ovsrec_bridge *bridge)
1938 ovsrec_bridge_verify_controller(bridge);
1939 for (i = 0; i < bridge->n_controller; i++) {
1940 ovsrec_controller_verify_target(bridge->controller[i]);
1946 pre_controller(struct vsctl_context *ctx)
1950 ovsdb_idl_add_column(ctx->idl, &ovsrec_controller_col_target);
1954 cmd_get_controller(struct vsctl_context *ctx)
1956 struct vsctl_info info;
1957 struct vsctl_bridge *br;
1958 struct svec targets;
1961 get_info(ctx, &info);
1962 br = find_bridge(&info, ctx->argv[1], true);
1963 verify_controllers(br->br_cfg);
1965 /* Print the targets in sorted order for reproducibility. */
1966 svec_init(&targets);
1967 for (i = 0; i < br->n_ctrl; i++) {
1968 svec_add(&targets, br->ctrl[i]->target);
1971 svec_sort(&targets);
1972 for (i = 0; i < targets.n; i++) {
1973 ds_put_format(&ctx->output, "%s\n", targets.names[i]);
1975 svec_destroy(&targets);
1981 delete_controllers(struct ovsrec_controller **controllers,
1982 size_t n_controllers)
1986 for (i = 0; i < n_controllers; i++) {
1987 ovsrec_controller_delete(controllers[i]);
1992 cmd_del_controller(struct vsctl_context *ctx)
1994 struct vsctl_info info;
1995 struct vsctl_bridge *br;
1997 get_info(ctx, &info);
1999 br = find_real_bridge(&info, ctx->argv[1], true);
2000 verify_controllers(br->br_cfg);
2003 delete_controllers(br->ctrl, br->n_ctrl);
2004 ovsrec_bridge_set_controller(br->br_cfg, NULL, 0);
2010 static struct ovsrec_controller **
2011 insert_controllers(struct ovsdb_idl_txn *txn, char *targets[], size_t n)
2013 struct ovsrec_controller **controllers;
2016 controllers = xmalloc(n * sizeof *controllers);
2017 for (i = 0; i < n; i++) {
2018 if (vconn_verify_name(targets[i]) && pvconn_verify_name(targets[i])) {
2019 VLOG_WARN("target type \"%s\" is possibly erroneous", targets[i]);
2021 controllers[i] = ovsrec_controller_insert(txn);
2022 ovsrec_controller_set_target(controllers[i], targets[i]);
2029 cmd_set_controller(struct vsctl_context *ctx)
2031 struct vsctl_info info;
2032 struct vsctl_bridge *br;
2033 struct ovsrec_controller **controllers;
2036 get_info(ctx, &info);
2037 br = find_real_bridge(&info, ctx->argv[1], true);
2038 verify_controllers(br->br_cfg);
2040 delete_controllers(br->ctrl, br->n_ctrl);
2043 controllers = insert_controllers(ctx->txn, &ctx->argv[2], n);
2044 ovsrec_bridge_set_controller(br->br_cfg, controllers, n);
2051 cmd_get_fail_mode(struct vsctl_context *ctx)
2053 struct vsctl_info info;
2054 struct vsctl_bridge *br;
2056 get_info(ctx, &info);
2057 br = find_bridge(&info, ctx->argv[1], true);
2060 ovsrec_bridge_verify_fail_mode(br->br_cfg);
2062 if (br->fail_mode && strlen(br->fail_mode)) {
2063 ds_put_format(&ctx->output, "%s\n", br->fail_mode);
2070 cmd_del_fail_mode(struct vsctl_context *ctx)
2072 struct vsctl_info info;
2073 struct vsctl_bridge *br;
2075 get_info(ctx, &info);
2076 br = find_real_bridge(&info, ctx->argv[1], true);
2078 ovsrec_bridge_set_fail_mode(br->br_cfg, NULL);
2084 cmd_set_fail_mode(struct vsctl_context *ctx)
2086 struct vsctl_info info;
2087 struct vsctl_bridge *br;
2088 const char *fail_mode = ctx->argv[2];
2090 get_info(ctx, &info);
2091 br = find_real_bridge(&info, ctx->argv[1], true);
2093 if (strcmp(fail_mode, "standalone") && strcmp(fail_mode, "secure")) {
2094 vsctl_fatal("fail-mode must be \"standalone\" or \"secure\"");
2097 ovsrec_bridge_set_fail_mode(br->br_cfg, fail_mode);
2103 verify_managers(const struct ovsrec_open_vswitch *ovs)
2107 ovsrec_open_vswitch_verify_manager_options(ovs);
2109 for (i = 0; i < ovs->n_manager_options; ++i) {
2110 const struct ovsrec_manager *mgr = ovs->manager_options[i];
2112 ovsrec_manager_verify_target(mgr);
2117 pre_manager(struct vsctl_context *ctx)
2119 ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_manager_options);
2120 ovsdb_idl_add_column(ctx->idl, &ovsrec_manager_col_target);
2124 cmd_get_manager(struct vsctl_context *ctx)
2126 const struct ovsrec_open_vswitch *ovs = ctx->ovs;
2127 struct svec targets;
2130 verify_managers(ovs);
2132 /* Print the targets in sorted order for reproducibility. */
2133 svec_init(&targets);
2135 for (i = 0; i < ovs->n_manager_options; i++) {
2136 svec_add(&targets, ovs->manager_options[i]->target);
2139 svec_sort_unique(&targets);
2140 for (i = 0; i < targets.n; i++) {
2141 ds_put_format(&ctx->output, "%s\n", targets.names[i]);
2143 svec_destroy(&targets);
2147 delete_managers(const struct vsctl_context *ctx)
2149 const struct ovsrec_open_vswitch *ovs = ctx->ovs;
2152 /* Delete Manager rows pointed to by 'manager_options' column. */
2153 for (i = 0; i < ovs->n_manager_options; i++) {
2154 ovsrec_manager_delete(ovs->manager_options[i]);
2157 /* Delete 'Manager' row refs in 'manager_options' column. */
2158 ovsrec_open_vswitch_set_manager_options(ovs, NULL, 0);
2162 cmd_del_manager(struct vsctl_context *ctx)
2164 const struct ovsrec_open_vswitch *ovs = ctx->ovs;
2166 verify_managers(ovs);
2167 delete_managers(ctx);
2171 insert_managers(struct vsctl_context *ctx, char *targets[], size_t n)
2173 struct ovsrec_manager **managers;
2176 /* Insert each manager in a new row in Manager table. */
2177 managers = xmalloc(n * sizeof *managers);
2178 for (i = 0; i < n; i++) {
2179 if (stream_verify_name(targets[i]) && pstream_verify_name(targets[i])) {
2180 VLOG_WARN("target type \"%s\" is possibly erroneous", targets[i]);
2182 managers[i] = ovsrec_manager_insert(ctx->txn);
2183 ovsrec_manager_set_target(managers[i], targets[i]);
2186 /* Store uuids of new Manager rows in 'manager_options' column. */
2187 ovsrec_open_vswitch_set_manager_options(ctx->ovs, managers, n);
2192 cmd_set_manager(struct vsctl_context *ctx)
2194 const size_t n = ctx->argc - 1;
2196 verify_managers(ctx->ovs);
2197 delete_managers(ctx);
2198 insert_managers(ctx, &ctx->argv[1], n);
2202 pre_cmd_get_ssl(struct vsctl_context *ctx)
2204 ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_ssl);
2206 ovsdb_idl_add_column(ctx->idl, &ovsrec_ssl_col_private_key);
2207 ovsdb_idl_add_column(ctx->idl, &ovsrec_ssl_col_certificate);
2208 ovsdb_idl_add_column(ctx->idl, &ovsrec_ssl_col_ca_cert);
2209 ovsdb_idl_add_column(ctx->idl, &ovsrec_ssl_col_bootstrap_ca_cert);
2213 cmd_get_ssl(struct vsctl_context *ctx)
2215 struct ovsrec_ssl *ssl = ctx->ovs->ssl;
2217 ovsrec_open_vswitch_verify_ssl(ctx->ovs);
2219 ovsrec_ssl_verify_private_key(ssl);
2220 ovsrec_ssl_verify_certificate(ssl);
2221 ovsrec_ssl_verify_ca_cert(ssl);
2222 ovsrec_ssl_verify_bootstrap_ca_cert(ssl);
2224 ds_put_format(&ctx->output, "Private key: %s\n", ssl->private_key);
2225 ds_put_format(&ctx->output, "Certificate: %s\n", ssl->certificate);
2226 ds_put_format(&ctx->output, "CA Certificate: %s\n", ssl->ca_cert);
2227 ds_put_format(&ctx->output, "Bootstrap: %s\n",
2228 ssl->bootstrap_ca_cert ? "true" : "false");
2233 pre_cmd_del_ssl(struct vsctl_context *ctx)
2235 ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_ssl);
2239 cmd_del_ssl(struct vsctl_context *ctx)
2241 struct ovsrec_ssl *ssl = ctx->ovs->ssl;
2244 ovsrec_open_vswitch_verify_ssl(ctx->ovs);
2245 ovsrec_ssl_delete(ssl);
2246 ovsrec_open_vswitch_set_ssl(ctx->ovs, NULL);
2251 pre_cmd_set_ssl(struct vsctl_context *ctx)
2253 ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_ssl);
2257 cmd_set_ssl(struct vsctl_context *ctx)
2259 bool bootstrap = shash_find(&ctx->options, "--bootstrap");
2260 struct ovsrec_ssl *ssl = ctx->ovs->ssl;
2262 ovsrec_open_vswitch_verify_ssl(ctx->ovs);
2264 ovsrec_ssl_delete(ssl);
2266 ssl = ovsrec_ssl_insert(ctx->txn);
2268 ovsrec_ssl_set_private_key(ssl, ctx->argv[1]);
2269 ovsrec_ssl_set_certificate(ssl, ctx->argv[2]);
2270 ovsrec_ssl_set_ca_cert(ssl, ctx->argv[3]);
2272 ovsrec_ssl_set_bootstrap_ca_cert(ssl, bootstrap);
2274 ovsrec_open_vswitch_set_ssl(ctx->ovs, ssl);
2277 /* Parameter commands. */
2279 struct vsctl_row_id {
2280 const struct ovsdb_idl_table_class *table;
2281 const struct ovsdb_idl_column *name_column;
2282 const struct ovsdb_idl_column *uuid_column;
2285 struct vsctl_table_class {
2286 struct ovsdb_idl_table_class *class;
2287 struct vsctl_row_id row_ids[2];
2290 static const struct vsctl_table_class tables[] = {
2291 {&ovsrec_table_bridge,
2292 {{&ovsrec_table_bridge, &ovsrec_bridge_col_name, NULL},
2293 {NULL, NULL, NULL}}},
2295 {&ovsrec_table_controller,
2296 {{&ovsrec_table_bridge,
2297 &ovsrec_bridge_col_name,
2298 &ovsrec_bridge_col_controller}}},
2300 {&ovsrec_table_interface,
2301 {{&ovsrec_table_interface, &ovsrec_interface_col_name, NULL},
2302 {NULL, NULL, NULL}}},
2304 {&ovsrec_table_mirror,
2305 {{&ovsrec_table_mirror, &ovsrec_mirror_col_name, NULL},
2306 {NULL, NULL, NULL}}},
2308 {&ovsrec_table_manager,
2309 {{&ovsrec_table_manager, &ovsrec_manager_col_target, NULL},
2310 {NULL, NULL, NULL}}},
2312 {&ovsrec_table_netflow,
2313 {{&ovsrec_table_bridge,
2314 &ovsrec_bridge_col_name,
2315 &ovsrec_bridge_col_netflow},
2316 {NULL, NULL, NULL}}},
2318 {&ovsrec_table_open_vswitch,
2319 {{&ovsrec_table_open_vswitch, NULL, NULL},
2320 {NULL, NULL, NULL}}},
2322 {&ovsrec_table_port,
2323 {{&ovsrec_table_port, &ovsrec_port_col_name, NULL},
2324 {NULL, NULL, NULL}}},
2327 {{&ovsrec_table_port, &ovsrec_port_col_name, &ovsrec_port_col_qos},
2328 {NULL, NULL, NULL}}},
2330 {&ovsrec_table_queue,
2331 {{NULL, NULL, NULL},
2332 {NULL, NULL, NULL}}},
2335 {{&ovsrec_table_open_vswitch, NULL, &ovsrec_open_vswitch_col_ssl}}},
2337 {&ovsrec_table_sflow,
2338 {{&ovsrec_table_bridge,
2339 &ovsrec_bridge_col_name,
2340 &ovsrec_bridge_col_sflow},
2341 {NULL, NULL, NULL}}},
2343 {NULL, {{NULL, NULL, NULL}, {NULL, NULL, NULL}}}
2347 die_if_error(char *error)
2350 vsctl_fatal("%s", error);
2355 to_lower_and_underscores(unsigned c)
2357 return c == '-' ? '_' : tolower(c);
2361 score_partial_match(const char *name, const char *s)
2365 if (!strcmp(name, s)) {
2368 for (score = 0; ; score++, name++, s++) {
2369 if (to_lower_and_underscores(*name) != to_lower_and_underscores(*s)) {
2371 } else if (*name == '\0') {
2372 return UINT_MAX - 1;
2375 return *s == '\0' ? score : 0;
2378 static const struct vsctl_table_class *
2379 get_table(const char *table_name)
2381 const struct vsctl_table_class *table;
2382 const struct vsctl_table_class *best_match = NULL;
2383 unsigned int best_score = 0;
2385 for (table = tables; table->class; table++) {
2386 unsigned int score = score_partial_match(table->class->name,
2388 if (score > best_score) {
2391 } else if (score == best_score) {
2397 } else if (best_score) {
2398 vsctl_fatal("multiple table names match \"%s\"", table_name);
2400 vsctl_fatal("unknown table \"%s\"", table_name);
2404 static const struct vsctl_table_class *
2405 pre_get_table(struct vsctl_context *ctx, const char *table_name)
2407 const struct vsctl_table_class *table_class;
2410 table_class = get_table(table_name);
2411 ovsdb_idl_add_table(ctx->idl, table_class->class);
2413 for (i = 0; i < ARRAY_SIZE(table_class->row_ids); i++) {
2414 const struct vsctl_row_id *id = &table_class->row_ids[i];
2416 ovsdb_idl_add_table(ctx->idl, id->table);
2418 if (id->name_column) {
2419 ovsdb_idl_add_column(ctx->idl, id->name_column);
2421 if (id->uuid_column) {
2422 ovsdb_idl_add_column(ctx->idl, id->uuid_column);
2429 static const struct ovsdb_idl_row *
2430 get_row_by_id(struct vsctl_context *ctx, const struct vsctl_table_class *table,
2431 const struct vsctl_row_id *id, const char *record_id)
2433 const struct ovsdb_idl_row *referrer, *final;
2439 if (!id->name_column) {
2440 if (strcmp(record_id, ".")) {
2443 referrer = ovsdb_idl_first_row(ctx->idl, id->table);
2444 if (!referrer || ovsdb_idl_next_row(referrer)) {
2448 const struct ovsdb_idl_row *row;
2451 for (row = ovsdb_idl_first_row(ctx->idl, id->table);
2453 row = ovsdb_idl_next_row(row))
2455 const struct ovsdb_datum *name;
2457 name = ovsdb_idl_get(row, id->name_column,
2458 OVSDB_TYPE_STRING, OVSDB_TYPE_VOID);
2459 if (name->n == 1 && !strcmp(name->keys[0].string, record_id)) {
2461 vsctl_fatal("multiple rows in %s match \"%s\"",
2462 table->class->name, record_id);
2473 if (id->uuid_column) {
2474 const struct ovsdb_datum *uuid;
2476 ovsdb_idl_txn_verify(referrer, id->uuid_column);
2477 uuid = ovsdb_idl_get(referrer, id->uuid_column,
2478 OVSDB_TYPE_UUID, OVSDB_TYPE_VOID);
2480 final = ovsdb_idl_get_row_for_uuid(ctx->idl, table->class,
2481 &uuid->keys[0].uuid);
2490 static const struct ovsdb_idl_row *
2491 get_row (struct vsctl_context *ctx,
2492 const struct vsctl_table_class *table, const char *record_id)
2494 const struct ovsdb_idl_row *row;
2497 if (uuid_from_string(&uuid, record_id)) {
2498 row = ovsdb_idl_get_row_for_uuid(ctx->idl, table->class, &uuid);
2502 for (i = 0; i < ARRAY_SIZE(table->row_ids); i++) {
2503 row = get_row_by_id(ctx, table, &table->row_ids[i], record_id);
2512 static const struct ovsdb_idl_row *
2513 must_get_row(struct vsctl_context *ctx,
2514 const struct vsctl_table_class *table, const char *record_id)
2516 const struct ovsdb_idl_row *row = get_row(ctx, table, record_id);
2518 vsctl_fatal("no row \"%s\" in table %s",
2519 record_id, table->class->name);
2525 get_column(const struct vsctl_table_class *table, const char *column_name,
2526 const struct ovsdb_idl_column **columnp)
2528 const struct ovsdb_idl_column *best_match = NULL;
2529 unsigned int best_score = 0;
2532 for (i = 0; i < table->class->n_columns; i++) {
2533 const struct ovsdb_idl_column *column = &table->class->columns[i];
2534 unsigned int score = score_partial_match(column->name, column_name);
2535 if (score > best_score) {
2536 best_match = column;
2538 } else if (score == best_score) {
2543 *columnp = best_match;
2546 } else if (best_score) {
2547 return xasprintf("%s contains more than one column whose name "
2548 "matches \"%s\"", table->class->name, column_name);
2550 return xasprintf("%s does not contain a column whose name matches "
2551 "\"%s\"", table->class->name, column_name);
2555 static struct ovsdb_symbol *
2556 create_symbol(struct ovsdb_symbol_table *symtab, const char *id, bool *newp)
2558 struct ovsdb_symbol *symbol;
2561 vsctl_fatal("row id \"%s\" does not begin with \"@\"", id);
2565 *newp = ovsdb_symbol_table_get(symtab, id) == NULL;
2568 symbol = ovsdb_symbol_table_insert(symtab, id);
2569 if (symbol->created) {
2570 vsctl_fatal("row id \"%s\" may only be specified on one --id option",
2573 symbol->created = true;
2578 pre_get_column(struct vsctl_context *ctx,
2579 const struct vsctl_table_class *table, const char *column_name,
2580 const struct ovsdb_idl_column **columnp)
2582 die_if_error(get_column(table, column_name, columnp));
2583 ovsdb_idl_add_column(ctx->idl, *columnp);
2587 missing_operator_error(const char *arg, const char **allowed_operators,
2593 ds_put_format(&s, "%s: argument does not end in ", arg);
2594 ds_put_format(&s, "\"%s\"", allowed_operators[0]);
2595 if (n_allowed == 2) {
2596 ds_put_format(&s, " or \"%s\"", allowed_operators[1]);
2597 } else if (n_allowed > 2) {
2600 for (i = 1; i < n_allowed - 1; i++) {
2601 ds_put_format(&s, ", \"%s\"", allowed_operators[i]);
2603 ds_put_format(&s, ", or \"%s\"", allowed_operators[i]);
2605 ds_put_format(&s, " followed by a value.");
2607 return ds_steal_cstr(&s);
2610 /* Breaks 'arg' apart into a number of fields in the following order:
2612 * - The name of a column in 'table', stored into '*columnp'. The column
2613 * name may be abbreviated.
2615 * - Optionally ':' followed by a key string. The key is stored as a
2616 * malloc()'d string into '*keyp', or NULL if no key is present in
2619 * - If 'valuep' is nonnull, an operator followed by a value string. The
2620 * allowed operators are the 'n_allowed' string in 'allowed_operators',
2621 * or just "=" if 'n_allowed' is 0. If 'operatorp' is nonnull, then the
2622 * operator is stored into '*operatorp' (one of the pointers from
2623 * 'allowed_operators' is stored; nothing is malloc()'d). The value is
2624 * stored as a malloc()'d string into '*valuep', or NULL if no value is
2627 * On success, returns NULL. On failure, returned a malloc()'d string error
2628 * message and stores NULL into all of the nonnull output arguments. */
2629 static char * WARN_UNUSED_RESULT
2630 parse_column_key_value(const char *arg,
2631 const struct vsctl_table_class *table,
2632 const struct ovsdb_idl_column **columnp, char **keyp,
2633 const char **operatorp,
2634 const char **allowed_operators, size_t n_allowed,
2637 const char *p = arg;
2641 assert(!(operatorp && !valuep));
2647 /* Parse column name. */
2648 error = ovsdb_token_parse(&p, &column_name);
2652 if (column_name[0] == '\0') {
2654 error = xasprintf("%s: missing column name", arg);
2657 error = get_column(table, column_name, columnp);
2663 /* Parse key string. */
2666 error = ovsdb_token_parse(&p, keyp);
2672 /* Parse value string. */
2678 if (!allowed_operators) {
2679 static const char *equals = "=";
2680 allowed_operators = =
2686 for (i = 0; i < n_allowed; i++) {
2687 const char *op = allowed_operators[i];
2688 size_t op_len = strlen(op);
2690 if (op_len > best_len && !strncmp(op, p, op_len) && p[op_len]) {
2696 error = missing_operator_error(arg, allowed_operators, n_allowed);
2703 *valuep = xstrdup(p + best_len);
2706 error = xasprintf("%s: trailing garbage \"%s\" in argument",
2728 pre_parse_column_key_value(struct vsctl_context *ctx,
2730 const struct vsctl_table_class *table)
2732 const struct ovsdb_idl_column *column;
2737 die_if_error(ovsdb_token_parse(&p, &column_name));
2738 if (column_name[0] == '\0') {
2739 vsctl_fatal("%s: missing column name", arg);
2742 pre_get_column(ctx, table, column_name, &column);
2747 pre_cmd_get(struct vsctl_context *ctx)
2749 const char *id = shash_find_data(&ctx->options, "--id");
2750 const char *table_name = ctx->argv[1];
2751 const struct vsctl_table_class *table;
2754 /* Using "get" without --id or a column name could possibly make sense.
2755 * Maybe, for example, a ovs-vsctl run wants to assert that a row exists.
2756 * But it is unlikely that an interactive user would want to do that, so
2757 * issue a warning if we're running on a terminal. */
2758 if (!id && ctx->argc <= 3 && isatty(STDOUT_FILENO)) {
2759 VLOG_WARN("\"get\" command without row arguments or \"--id\" is "
2760 "possibly erroneous");
2763 table = pre_get_table(ctx, table_name);
2764 for (i = 3; i < ctx->argc; i++) {
2765 if (!strcasecmp(ctx->argv[i], "_uuid")
2766 || !strcasecmp(ctx->argv[i], "-uuid")) {
2770 pre_parse_column_key_value(ctx, ctx->argv[i], table);
2775 cmd_get(struct vsctl_context *ctx)
2777 const char *id = shash_find_data(&ctx->options, "--id");
2778 bool if_exists = shash_find(&ctx->options, "--if-exists");
2779 const char *table_name = ctx->argv[1];
2780 const char *record_id = ctx->argv[2];
2781 const struct vsctl_table_class *table;
2782 const struct ovsdb_idl_row *row;
2783 struct ds *out = &ctx->output;
2786 table = get_table(table_name);
2787 row = must_get_row(ctx, table, record_id);
2789 struct ovsdb_symbol *symbol;
2792 symbol = create_symbol(ctx->symtab, id, &new);
2794 vsctl_fatal("row id \"%s\" specified on \"get\" command was used "
2795 "before it was defined", id);
2797 symbol->uuid = row->uuid;
2799 /* This symbol refers to a row that already exists, so disable warnings
2800 * about it being unreferenced. */
2801 symbol->strong_ref = true;
2803 for (i = 3; i < ctx->argc; i++) {
2804 const struct ovsdb_idl_column *column;
2805 const struct ovsdb_datum *datum;
2808 /* Special case for obtaining the UUID of a row. We can't just do this
2809 * through parse_column_key_value() below since it returns a "struct
2810 * ovsdb_idl_column" and the UUID column doesn't have one. */
2811 if (!strcasecmp(ctx->argv[i], "_uuid")
2812 || !strcasecmp(ctx->argv[i], "-uuid")) {
2813 ds_put_format(out, UUID_FMT"\n", UUID_ARGS(&row->uuid));
2817 die_if_error(parse_column_key_value(ctx->argv[i], table,
2818 &column, &key_string,
2819 NULL, NULL, 0, NULL));
2821 ovsdb_idl_txn_verify(row, column);
2822 datum = ovsdb_idl_read(row, column);
2824 union ovsdb_atom key;
2827 if (column->type.value.type == OVSDB_TYPE_VOID) {
2828 vsctl_fatal("cannot specify key to get for non-map column %s",
2832 die_if_error(ovsdb_atom_from_string(&key,
2834 key_string, ctx->symtab));
2836 idx = ovsdb_datum_find_key(datum, &key,
2837 column->type.key.type);
2838 if (idx == UINT_MAX) {
2840 vsctl_fatal("no key \"%s\" in %s record \"%s\" column %s",
2841 key_string, table->class->name, record_id,
2845 ovsdb_atom_to_string(&datum->values[idx],
2846 column->type.value.type, out);
2848 ovsdb_atom_destroy(&key, column->type.key.type);
2850 ovsdb_datum_to_string(datum, &column->type, out);
2852 ds_put_char(out, '\n');
2859 parse_column_names(const char *column_names,
2860 const struct vsctl_table_class *table,
2861 const struct ovsdb_idl_column ***columnsp,
2864 const struct ovsdb_idl_column **columns;
2867 if (!column_names) {
2870 n_columns = table->class->n_columns + 1;
2871 columns = xmalloc(n_columns * sizeof *columns);
2873 for (i = 0; i < table->class->n_columns; i++) {
2874 columns[i + 1] = &table->class->columns[i];
2877 char *s = xstrdup(column_names);
2878 size_t allocated_columns;
2879 char *save_ptr = NULL;
2883 allocated_columns = n_columns = 0;
2884 for (column_name = strtok_r(s, ", ", &save_ptr); column_name;
2885 column_name = strtok_r(NULL, ", ", &save_ptr)) {
2886 const struct ovsdb_idl_column *column;
2888 if (!strcasecmp(column_name, "_uuid")) {
2891 die_if_error(get_column(table, column_name, &column));
2893 if (n_columns >= allocated_columns) {
2894 columns = x2nrealloc(columns, &allocated_columns,
2897 columns[n_columns++] = column;
2902 vsctl_fatal("must specify at least one column name");
2905 *columnsp = columns;
2906 *n_columnsp = n_columns;
2911 pre_list_columns(struct vsctl_context *ctx,
2912 const struct vsctl_table_class *table,
2913 const char *column_names)
2915 const struct ovsdb_idl_column **columns;
2919 parse_column_names(column_names, table, &columns, &n_columns);
2920 for (i = 0; i < n_columns; i++) {
2922 ovsdb_idl_add_column(ctx->idl, columns[i]);
2929 pre_cmd_list(struct vsctl_context *ctx)
2931 const char *column_names = shash_find_data(&ctx->options, "--columns");
2932 const char *table_name = ctx->argv[1];
2933 const struct vsctl_table_class *table;
2935 table = pre_get_table(ctx, table_name);
2936 pre_list_columns(ctx, table, column_names);
2939 static struct table *
2940 list_make_table(const struct ovsdb_idl_column **columns, size_t n_columns)
2945 out = xmalloc(sizeof *out);
2948 for (i = 0; i < n_columns; i++) {
2949 const struct ovsdb_idl_column *column = columns[i];
2950 const char *column_name = column ? column->name : "_uuid";
2952 table_add_column(out, "%s", column_name);
2959 list_record(const struct ovsdb_idl_row *row,
2960 const struct ovsdb_idl_column **columns, size_t n_columns,
2966 for (i = 0; i < n_columns; i++) {
2967 const struct ovsdb_idl_column *column = columns[i];
2968 struct cell *cell = table_add_cell(out);
2971 struct ovsdb_datum datum;
2972 union ovsdb_atom atom;
2974 atom.uuid = row->uuid;
2977 datum.values = NULL;
2980 cell->json = ovsdb_datum_to_json(&datum, &ovsdb_type_uuid);
2981 cell->type = &ovsdb_type_uuid;
2983 const struct ovsdb_datum *datum = ovsdb_idl_read(row, column);
2985 cell->json = ovsdb_datum_to_json(datum, &column->type);
2986 cell->type = &column->type;
2992 cmd_list(struct vsctl_context *ctx)
2994 const char *column_names = shash_find_data(&ctx->options, "--columns");
2995 const struct ovsdb_idl_column **columns;
2996 const char *table_name = ctx->argv[1];
2997 const struct vsctl_table_class *table;
3002 table = get_table(table_name);
3003 parse_column_names(column_names, table, &columns, &n_columns);
3004 out = ctx->table = list_make_table(columns, n_columns);
3005 if (ctx->argc > 2) {
3006 for (i = 2; i < ctx->argc; i++) {
3007 list_record(must_get_row(ctx, table, ctx->argv[i]),
3008 columns, n_columns, out);
3011 const struct ovsdb_idl_row *row;
3013 for (row = ovsdb_idl_first_row(ctx->idl, table->class); row != NULL;
3014 row = ovsdb_idl_next_row(row)) {
3015 list_record(row, columns, n_columns, out);
3022 pre_cmd_find(struct vsctl_context *ctx)
3024 const char *column_names = shash_find_data(&ctx->options, "--columns");
3025 const char *table_name = ctx->argv[1];
3026 const struct vsctl_table_class *table;
3029 table = pre_get_table(ctx, table_name);
3030 pre_list_columns(ctx, table, column_names);
3031 for (i = 2; i < ctx->argc; i++) {
3032 pre_parse_column_key_value(ctx, ctx->argv[i], table);
3037 cmd_find(struct vsctl_context *ctx)
3039 const char *column_names = shash_find_data(&ctx->options, "--columns");
3040 const struct ovsdb_idl_column **columns;
3041 const char *table_name = ctx->argv[1];
3042 const struct vsctl_table_class *table;
3043 const struct ovsdb_idl_row *row;
3047 table = get_table(table_name);
3048 parse_column_names(column_names, table, &columns, &n_columns);
3049 out = ctx->table = list_make_table(columns, n_columns);
3050 for (row = ovsdb_idl_first_row(ctx->idl, table->class); row;
3051 row = ovsdb_idl_next_row(row)) {
3054 for (i = 2; i < ctx->argc; i++) {
3055 if (!is_condition_satisfied(table, row, ctx->argv[i],
3060 list_record(row, columns, n_columns, out);
3068 pre_cmd_set(struct vsctl_context *ctx)
3070 const char *table_name = ctx->argv[1];
3071 const struct vsctl_table_class *table;
3074 table = pre_get_table(ctx, table_name);
3075 for (i = 3; i < ctx->argc; i++) {
3076 pre_parse_column_key_value(ctx, ctx->argv[i], table);
3081 set_column(const struct vsctl_table_class *table,
3082 const struct ovsdb_idl_row *row, const char *arg,
3083 struct ovsdb_symbol_table *symtab)
3085 const struct ovsdb_idl_column *column;
3086 char *key_string, *value_string;
3089 error = parse_column_key_value(arg, table, &column, &key_string,
3090 NULL, NULL, 0, &value_string);
3091 die_if_error(error);
3092 if (!value_string) {
3093 vsctl_fatal("%s: missing value", arg);
3097 union ovsdb_atom key, value;
3098 struct ovsdb_datum datum;
3100 if (column->type.value.type == OVSDB_TYPE_VOID) {
3101 vsctl_fatal("cannot specify key to set for non-map column %s",
3105 die_if_error(ovsdb_atom_from_string(&key, &column->type.key,
3106 key_string, symtab));
3107 die_if_error(ovsdb_atom_from_string(&value, &column->type.value,
3108 value_string, symtab));
3110 ovsdb_datum_init_empty(&datum);
3111 ovsdb_datum_add_unsafe(&datum, &key, &value, &column->type);
3113 ovsdb_atom_destroy(&key, column->type.key.type);
3114 ovsdb_atom_destroy(&value, column->type.value.type);
3116 ovsdb_datum_union(&datum, ovsdb_idl_read(row, column),
3117 &column->type, false);
3118 ovsdb_idl_txn_write(row, column, &datum);
3120 struct ovsdb_datum datum;
3122 die_if_error(ovsdb_datum_from_string(&datum, &column->type,
3123 value_string, symtab));
3124 ovsdb_idl_txn_write(row, column, &datum);
3132 cmd_set(struct vsctl_context *ctx)
3134 const char *table_name = ctx->argv[1];
3135 const char *record_id = ctx->argv[2];
3136 const struct vsctl_table_class *table;
3137 const struct ovsdb_idl_row *row;
3140 table = get_table(table_name);
3141 row = must_get_row(ctx, table, record_id);
3142 for (i = 3; i < ctx->argc; i++) {
3143 set_column(table, row, ctx->argv[i], ctx->symtab);
3148 pre_cmd_add(struct vsctl_context *ctx)
3150 const char *table_name = ctx->argv[1];
3151 const char *column_name = ctx->argv[3];
3152 const struct vsctl_table_class *table;
3153 const struct ovsdb_idl_column *column;
3155 table = pre_get_table(ctx, table_name);
3156 pre_get_column(ctx, table, column_name, &column);
3160 cmd_add(struct vsctl_context *ctx)
3162 const char *table_name = ctx->argv[1];
3163 const char *record_id = ctx->argv[2];
3164 const char *column_name = ctx->argv[3];
3165 const struct vsctl_table_class *table;
3166 const struct ovsdb_idl_column *column;
3167 const struct ovsdb_idl_row *row;
3168 const struct ovsdb_type *type;
3169 struct ovsdb_datum old;
3172 table = get_table(table_name);
3173 row = must_get_row(ctx, table, record_id);
3174 die_if_error(get_column(table, column_name, &column));
3176 type = &column->type;
3177 ovsdb_datum_clone(&old, ovsdb_idl_read(row, column), &column->type);
3178 for (i = 4; i < ctx->argc; i++) {
3179 struct ovsdb_type add_type;
3180 struct ovsdb_datum add;
3184 add_type.n_max = UINT_MAX;
3185 die_if_error(ovsdb_datum_from_string(&add, &add_type, ctx->argv[i],
3187 ovsdb_datum_union(&old, &add, type, false);
3188 ovsdb_datum_destroy(&add, type);
3190 if (old.n > type->n_max) {
3191 vsctl_fatal("\"add\" operation would put %u %s in column %s of "
3192 "table %s but the maximum number is %u",
3194 type->value.type == OVSDB_TYPE_VOID ? "values" : "pairs",
3195 column->name, table->class->name, type->n_max);
3197 ovsdb_idl_txn_verify(row, column);
3198 ovsdb_idl_txn_write(row, column, &old);
3202 pre_cmd_remove(struct vsctl_context *ctx)
3204 const char *table_name = ctx->argv[1];
3205 const char *column_name = ctx->argv[3];
3206 const struct vsctl_table_class *table;
3207 const struct ovsdb_idl_column *column;
3209 table = pre_get_table(ctx, table_name);
3210 pre_get_column(ctx, table, column_name, &column);
3214 cmd_remove(struct vsctl_context *ctx)
3216 const char *table_name = ctx->argv[1];
3217 const char *record_id = ctx->argv[2];
3218 const char *column_name = ctx->argv[3];
3219 const struct vsctl_table_class *table;
3220 const struct ovsdb_idl_column *column;
3221 const struct ovsdb_idl_row *row;
3222 const struct ovsdb_type *type;
3223 struct ovsdb_datum old;
3226 table = get_table(table_name);
3227 row = must_get_row(ctx, table, record_id);
3228 die_if_error(get_column(table, column_name, &column));
3230 type = &column->type;
3231 ovsdb_datum_clone(&old, ovsdb_idl_read(row, column), &column->type);
3232 for (i = 4; i < ctx->argc; i++) {
3233 struct ovsdb_type rm_type;
3234 struct ovsdb_datum rm;
3239 rm_type.n_max = UINT_MAX;
3240 error = ovsdb_datum_from_string(&rm, &rm_type,
3241 ctx->argv[i], ctx->symtab);
3242 if (error && ovsdb_type_is_map(&rm_type)) {
3244 rm_type.value.type = OVSDB_TYPE_VOID;
3245 die_if_error(ovsdb_datum_from_string(&rm, &rm_type,
3246 ctx->argv[i], ctx->symtab));
3248 ovsdb_datum_subtract(&old, type, &rm, &rm_type);
3249 ovsdb_datum_destroy(&rm, &rm_type);
3251 if (old.n < type->n_min) {
3252 vsctl_fatal("\"remove\" operation would put %u %s in column %s of "
3253 "table %s but the minimum number is %u",
3255 type->value.type == OVSDB_TYPE_VOID ? "values" : "pairs",
3256 column->name, table->class->name, type->n_min);
3258 ovsdb_idl_txn_verify(row, column);
3259 ovsdb_idl_txn_write(row, column, &old);
3263 pre_cmd_clear(struct vsctl_context *ctx)
3265 const char *table_name = ctx->argv[1];
3266 const struct vsctl_table_class *table;
3269 table = pre_get_table(ctx, table_name);
3270 for (i = 3; i < ctx->argc; i++) {
3271 const struct ovsdb_idl_column *column;
3273 pre_get_column(ctx, table, ctx->argv[i], &column);
3278 cmd_clear(struct vsctl_context *ctx)
3280 const char *table_name = ctx->argv[1];
3281 const char *record_id = ctx->argv[2];
3282 const struct vsctl_table_class *table;
3283 const struct ovsdb_idl_row *row;
3286 table = get_table(table_name);
3287 row = must_get_row(ctx, table, record_id);
3288 for (i = 3; i < ctx->argc; i++) {
3289 const struct ovsdb_idl_column *column;
3290 const struct ovsdb_type *type;
3291 struct ovsdb_datum datum;
3293 die_if_error(get_column(table, ctx->argv[i], &column));
3295 type = &column->type;
3296 if (type->n_min > 0) {
3297 vsctl_fatal("\"clear\" operation cannot be applied to column %s "
3298 "of table %s, which is not allowed to be empty",
3299 column->name, table->class->name);
3302 ovsdb_datum_init_empty(&datum);
3303 ovsdb_idl_txn_write(row, column, &datum);
3308 pre_create(struct vsctl_context *ctx)
3310 const char *id = shash_find_data(&ctx->options, "--id");
3311 const char *table_name = ctx->argv[1];
3312 const struct vsctl_table_class *table;
3314 table = get_table(table_name);
3315 if (!id && !table->class->is_root) {
3316 VLOG_WARN("applying \"create\" command to table %s without --id "
3317 "option will have no effect", table->class->name);
3322 cmd_create(struct vsctl_context *ctx)
3324 const char *id = shash_find_data(&ctx->options, "--id");
3325 const char *table_name = ctx->argv[1];
3326 const struct vsctl_table_class *table = get_table(table_name);
3327 const struct ovsdb_idl_row *row;
3328 const struct uuid *uuid;
3332 struct ovsdb_symbol *symbol = create_symbol(ctx->symtab, id, NULL);
3333 if (table->class->is_root) {
3334 /* This table is in the root set, meaning that rows created in it
3335 * won't disappear even if they are unreferenced, so disable
3336 * warnings about that by pretending that there is a reference. */
3337 symbol->strong_ref = true;
3339 uuid = &symbol->uuid;
3344 row = ovsdb_idl_txn_insert(ctx->txn, table->class, uuid);
3345 for (i = 2; i < ctx->argc; i++) {
3346 set_column(table, row, ctx->argv[i], ctx->symtab);
3348 ds_put_format(&ctx->output, UUID_FMT, UUID_ARGS(&row->uuid));
3351 /* This function may be used as the 'postprocess' function for commands that
3352 * insert new rows into the database. It expects that the command's 'run'
3353 * function prints the UUID reported by ovsdb_idl_txn_insert() as the command's
3354 * sole output. It replaces that output by the row's permanent UUID assigned
3355 * by the database server and appends a new-line.
3357 * Currently we use this only for "create", because the higher-level commands
3358 * are supposed to be independent of the actual structure of the vswitch
3361 post_create(struct vsctl_context *ctx)
3363 const struct uuid *real;
3366 if (!uuid_from_string(&dummy, ds_cstr(&ctx->output))) {
3369 real = ovsdb_idl_txn_get_insert_uuid(ctx->txn, &dummy);
3371 ds_clear(&ctx->output);
3372 ds_put_format(&ctx->output, UUID_FMT, UUID_ARGS(real));
3374 ds_put_char(&ctx->output, '\n');
3378 pre_cmd_destroy(struct vsctl_context *ctx)
3380 const char *table_name = ctx->argv[1];
3382 pre_get_table(ctx, table_name);
3386 cmd_destroy(struct vsctl_context *ctx)
3388 bool must_exist = !shash_find(&ctx->options, "--if-exists");
3389 const char *table_name = ctx->argv[1];
3390 const struct vsctl_table_class *table;
3393 table = get_table(table_name);
3394 for (i = 2; i < ctx->argc; i++) {
3395 const struct ovsdb_idl_row *row;
3397 row = (must_exist ? must_get_row : get_row)(ctx, table, ctx->argv[i]);
3399 ovsdb_idl_txn_delete(row);
3405 is_condition_satisfied(const struct vsctl_table_class *table,
3406 const struct ovsdb_idl_row *row, const char *arg,
3407 struct ovsdb_symbol_table *symtab)
3409 static const char *operators[] = {
3410 "=", "!=", "<", ">", "<=", ">="
3413 const struct ovsdb_idl_column *column;
3414 const struct ovsdb_datum *have_datum;
3415 char *key_string, *value_string;
3416 const char *operator;
3421 error = parse_column_key_value(arg, table, &column, &key_string,
3422 &operator, operators, ARRAY_SIZE(operators),
3424 die_if_error(error);
3425 if (!value_string) {
3426 vsctl_fatal("%s: missing value", arg);
3429 have_datum = ovsdb_idl_read(row, column);
3431 union ovsdb_atom want_key, want_value;
3433 if (column->type.value.type == OVSDB_TYPE_VOID) {
3434 vsctl_fatal("cannot specify key to check for non-map column %s",
3438 die_if_error(ovsdb_atom_from_string(&want_key, &column->type.key,
3439 key_string, symtab));
3440 die_if_error(ovsdb_atom_from_string(&want_value, &column->type.value,
3441 value_string, symtab));
3443 idx = ovsdb_datum_find_key(have_datum,
3444 &want_key, column->type.key.type);
3445 if (idx != UINT_MAX) {
3446 cmp = ovsdb_atom_compare_3way(&have_datum->values[idx],
3448 column->type.value.type);
3451 ovsdb_atom_destroy(&want_key, column->type.key.type);
3452 ovsdb_atom_destroy(&want_value, column->type.value.type);
3454 struct ovsdb_datum want_datum;
3456 die_if_error(ovsdb_datum_from_string(&want_datum, &column->type,
3457 value_string, symtab));
3459 cmp = ovsdb_datum_compare_3way(have_datum, &want_datum,
3461 ovsdb_datum_destroy(&want_datum, &column->type);
3467 return (idx == UINT_MAX ? false
3468 : !strcmp(operator, "=") ? cmp == 0
3469 : !strcmp(operator, "!=") ? cmp != 0
3470 : !strcmp(operator, "<") ? cmp < 0
3471 : !strcmp(operator, ">") ? cmp > 0
3472 : !strcmp(operator, "<=") ? cmp <= 0
3473 : !strcmp(operator, ">=") ? cmp >= 0
3478 pre_cmd_wait_until(struct vsctl_context *ctx)
3480 const char *table_name = ctx->argv[1];
3481 const struct vsctl_table_class *table;
3484 table = pre_get_table(ctx, table_name);
3486 for (i = 3; i < ctx->argc; i++) {
3487 pre_parse_column_key_value(ctx, ctx->argv[i], table);
3492 cmd_wait_until(struct vsctl_context *ctx)
3494 const char *table_name = ctx->argv[1];
3495 const char *record_id = ctx->argv[2];
3496 const struct vsctl_table_class *table;
3497 const struct ovsdb_idl_row *row;
3500 table = get_table(table_name);
3502 row = get_row(ctx, table, record_id);
3504 ctx->try_again = true;
3508 for (i = 3; i < ctx->argc; i++) {
3509 if (!is_condition_satisfied(table, row, ctx->argv[i], ctx->symtab)) {
3510 ctx->try_again = true;
3516 static struct json *
3517 where_uuid_equals(const struct uuid *uuid)
3520 json_array_create_1(
3521 json_array_create_3(
3522 json_string_create("_uuid"),
3523 json_string_create("=="),
3524 json_array_create_2(
3525 json_string_create("uuid"),
3526 json_string_create_nocopy(
3527 xasprintf(UUID_FMT, UUID_ARGS(uuid))))));
3531 vsctl_context_init(struct vsctl_context *ctx, struct vsctl_command *command,
3532 struct ovsdb_idl *idl, struct ovsdb_idl_txn *txn,
3533 const struct ovsrec_open_vswitch *ovs,
3534 struct ovsdb_symbol_table *symtab)
3536 ctx->argc = command->argc;
3537 ctx->argv = command->argv;
3538 ctx->options = command->options;
3540 ds_swap(&ctx->output, &command->output);
3541 ctx->table = command->table;
3545 ctx->symtab = symtab;
3546 ctx->verified_ports = false;
3548 ctx->try_again = false;
3552 vsctl_context_done(struct vsctl_context *ctx, struct vsctl_command *command)
3554 ds_swap(&ctx->output, &command->output);
3555 command->table = ctx->table;
3559 run_prerequisites(struct vsctl_command *commands, size_t n_commands,
3560 struct ovsdb_idl *idl)
3562 struct vsctl_command *c;
3564 ovsdb_idl_add_table(idl, &ovsrec_table_open_vswitch);
3565 if (wait_for_reload) {
3566 ovsdb_idl_add_column(idl, &ovsrec_open_vswitch_col_cur_cfg);
3568 for (c = commands; c < &commands[n_commands]; c++) {
3569 if (c->syntax->prerequisites) {
3570 struct vsctl_context ctx;
3572 ds_init(&c->output);
3575 vsctl_context_init(&ctx, c, idl, NULL, NULL, NULL);
3576 (c->syntax->prerequisites)(&ctx);
3577 vsctl_context_done(&ctx, c);
3579 assert(!c->output.string);
3585 static enum ovsdb_idl_txn_status
3586 do_vsctl(const char *args, struct vsctl_command *commands, size_t n_commands,
3587 struct ovsdb_idl *idl)
3589 struct ovsdb_idl_txn *txn;
3590 const struct ovsrec_open_vswitch *ovs;
3591 enum ovsdb_idl_txn_status status;
3592 struct ovsdb_symbol_table *symtab;
3593 struct vsctl_command *c;
3594 struct shash_node *node;
3595 int64_t next_cfg = 0;
3598 txn = the_idl_txn = ovsdb_idl_txn_create(idl);
3600 ovsdb_idl_txn_set_dry_run(txn);
3603 ovsdb_idl_txn_add_comment(txn, "ovs-vsctl: %s", args);
3605 ovs = ovsrec_open_vswitch_first(idl);
3607 /* XXX add verification that table is empty */
3608 ovs = ovsrec_open_vswitch_insert(txn);
3611 if (wait_for_reload) {
3612 struct json *where = where_uuid_equals(&ovs->header_.uuid);
3613 ovsdb_idl_txn_increment(txn, "Open_vSwitch", "next_cfg", where);
3614 json_destroy(where);
3617 symtab = ovsdb_symbol_table_create();
3618 for (c = commands; c < &commands[n_commands]; c++) {
3619 ds_init(&c->output);
3622 for (c = commands; c < &commands[n_commands]; c++) {
3623 struct vsctl_context ctx;
3625 vsctl_context_init(&ctx, c, idl, txn, ovs, symtab);
3626 if (c->syntax->run) {
3627 (c->syntax->run)(&ctx);
3629 vsctl_context_done(&ctx, c);
3631 if (ctx.try_again) {
3632 status = TXN_AGAIN_WAIT;
3637 SHASH_FOR_EACH (node, &symtab->sh) {
3638 struct ovsdb_symbol *symbol = node->data;
3639 if (!symbol->created) {
3640 vsctl_fatal("row id \"%s\" is referenced but never created (e.g. "
3641 "with \"-- --id=%s create ...\")",
3642 node->name, node->name);
3644 if (!symbol->strong_ref) {
3645 if (!symbol->weak_ref) {
3646 VLOG_WARN("row id \"%s\" was created but no reference to it "
3647 "was inserted, so it will not actually appear in "
3648 "the database", node->name);
3650 VLOG_WARN("row id \"%s\" was created but only a weak "
3651 "reference to it was inserted, so it will not "
3652 "actually appear in the database", node->name);
3657 status = ovsdb_idl_txn_commit_block(txn);
3658 if (wait_for_reload && status == TXN_SUCCESS) {
3659 next_cfg = ovsdb_idl_txn_get_increment_new_value(txn);
3661 if (status == TXN_UNCHANGED || status == TXN_SUCCESS) {
3662 for (c = commands; c < &commands[n_commands]; c++) {
3663 if (c->syntax->postprocess) {
3664 struct vsctl_context ctx;
3666 vsctl_context_init(&ctx, c, idl, txn, ovs, symtab);
3667 (c->syntax->postprocess)(&ctx);
3668 vsctl_context_done(&ctx, c);
3672 error = xstrdup(ovsdb_idl_txn_get_error(txn));
3673 ovsdb_idl_txn_destroy(txn);
3674 txn = the_idl_txn = NULL;
3677 case TXN_UNCOMMITTED:
3678 case TXN_INCOMPLETE:
3682 /* Should not happen--we never call ovsdb_idl_txn_abort(). */
3683 vsctl_fatal("transaction aborted");
3689 case TXN_AGAIN_WAIT:
3694 vsctl_fatal("transaction error: %s", error);
3696 case TXN_NOT_LOCKED:
3697 /* Should not happen--we never call ovsdb_idl_set_lock(). */
3698 vsctl_fatal("database not locked");
3705 ovsdb_symbol_table_destroy(symtab);
3707 for (c = commands; c < &commands[n_commands]; c++) {
3708 struct ds *ds = &c->output;
3711 table_print(c->table, &table_style);
3712 } else if (oneline) {
3716 for (j = 0; j < ds->length; j++) {
3717 int ch = ds->string[j];
3720 fputs("\\n", stdout);
3724 fputs("\\\\", stdout);
3733 fputs(ds_cstr(ds), stdout);
3735 ds_destroy(&c->output);
3736 table_destroy(c->table);
3739 smap_destroy(&c->options);
3743 if (wait_for_reload && status != TXN_UNCHANGED) {
3746 OVSREC_OPEN_VSWITCH_FOR_EACH (ovs, idl) {
3747 if (ovs->cur_cfg >= next_cfg) {
3751 ovsdb_idl_wait(idl);
3756 ovsdb_idl_destroy(idl);
3761 /* Our transaction needs to be rerun, or a prerequisite was not met. Free
3762 * resources and return so that the caller can try again. */
3764 ovsdb_idl_txn_abort(txn);
3765 ovsdb_idl_txn_destroy(txn);
3767 ovsdb_symbol_table_destroy(symtab);
3768 for (c = commands; c < &commands[n_commands]; c++) {
3769 ds_destroy(&c->output);
3770 table_destroy(c->table);
3778 static const struct vsctl_command_syntax all_commands[] = {
3779 /* Open vSwitch commands. */
3780 {"init", 0, 0, NULL, cmd_init, NULL, "", RW},
3781 {"show", 0, 0, pre_cmd_show, cmd_show, NULL, "", RO},
3783 /* Bridge commands. */
3784 {"add-br", 1, 3, pre_get_info, cmd_add_br, NULL, "--may-exist", RW},
3785 {"del-br", 1, 1, pre_get_info, cmd_del_br, NULL, "--if-exists", RW},
3786 {"list-br", 0, 0, pre_get_info, cmd_list_br, NULL, "", RO},
3787 {"br-exists", 1, 1, pre_get_info, cmd_br_exists, NULL, "", RO},
3788 {"br-to-vlan", 1, 1, pre_get_info, cmd_br_to_vlan, NULL, "", RO},
3789 {"br-to-parent", 1, 1, pre_get_info, cmd_br_to_parent, NULL, "", RO},
3790 {"br-set-external-id", 2, 3, pre_cmd_br_set_external_id,
3791 cmd_br_set_external_id, NULL, "", RW},
3792 {"br-get-external-id", 1, 2, pre_cmd_br_get_external_id,
3793 cmd_br_get_external_id, NULL, "", RO},
3795 /* Port commands. */
3796 {"list-ports", 1, 1, pre_get_info, cmd_list_ports, NULL, "", RO},
3797 {"add-port", 2, INT_MAX, pre_get_info, cmd_add_port, NULL, "--may-exist",
3799 {"add-bond", 4, INT_MAX, pre_get_info, cmd_add_bond, NULL,
3800 "--may-exist,--fake-iface", RW},
3801 {"del-port", 1, 2, pre_get_info, cmd_del_port, NULL,
3802 "--if-exists,--with-iface", RW},
3803 {"port-to-br", 1, 1, pre_get_info, cmd_port_to_br, NULL, "", RO},
3805 /* Interface commands. */
3806 {"list-ifaces", 1, 1, pre_get_info, cmd_list_ifaces, NULL, "", RO},
3807 {"iface-to-br", 1, 1, pre_get_info, cmd_iface_to_br, NULL, "", RO},
3809 /* Controller commands. */
3810 {"get-controller", 1, 1, pre_controller, cmd_get_controller, NULL, "", RO},
3811 {"del-controller", 1, 1, pre_controller, cmd_del_controller, NULL, "", RW},
3812 {"set-controller", 1, INT_MAX, pre_controller, cmd_set_controller, NULL,
3814 {"get-fail-mode", 1, 1, pre_get_info, cmd_get_fail_mode, NULL, "", RO},
3815 {"del-fail-mode", 1, 1, pre_get_info, cmd_del_fail_mode, NULL, "", RW},
3816 {"set-fail-mode", 2, 2, pre_get_info, cmd_set_fail_mode, NULL, "", RW},
3818 /* Manager commands. */
3819 {"get-manager", 0, 0, pre_manager, cmd_get_manager, NULL, "", RO},
3820 {"del-manager", 0, INT_MAX, pre_manager, cmd_del_manager, NULL, "", RW},
3821 {"set-manager", 1, INT_MAX, pre_manager, cmd_set_manager, NULL, "", RW},
3824 {"get-ssl", 0, 0, pre_cmd_get_ssl, cmd_get_ssl, NULL, "", RO},
3825 {"del-ssl", 0, 0, pre_cmd_del_ssl, cmd_del_ssl, NULL, "", RW},
3826 {"set-ssl", 3, 3, pre_cmd_set_ssl, cmd_set_ssl, NULL, "--bootstrap", RW},
3828 /* Switch commands. */
3829 {"emer-reset", 0, 0, pre_cmd_emer_reset, cmd_emer_reset, NULL, "", RW},
3831 /* Database commands. */
3832 {"comment", 0, INT_MAX, NULL, NULL, NULL, "", RO},
3833 {"get", 2, INT_MAX, pre_cmd_get, cmd_get, NULL, "--if-exists,--id=", RO},
3834 {"list", 1, INT_MAX, pre_cmd_list, cmd_list, NULL, "--columns=", RO},
3835 {"find", 1, INT_MAX, pre_cmd_find, cmd_find, NULL, "--columns=", RO},
3836 {"set", 3, INT_MAX, pre_cmd_set, cmd_set, NULL, "", RW},
3837 {"add", 4, INT_MAX, pre_cmd_add, cmd_add, NULL, "", RW},
3838 {"remove", 4, INT_MAX, pre_cmd_remove, cmd_remove, NULL, "", RW},
3839 {"clear", 3, INT_MAX, pre_cmd_clear, cmd_clear, NULL, "", RW},
3840 {"create", 2, INT_MAX, pre_create, cmd_create, post_create, "--id=", RW},
3841 {"destroy", 1, INT_MAX, pre_cmd_destroy, cmd_destroy, NULL, "--if-exists",
3843 {"wait-until", 2, INT_MAX, pre_cmd_wait_until, cmd_wait_until, NULL, "",
3846 {NULL, 0, 0, NULL, NULL, NULL, NULL, RO},