2 * Copyright (c) 2009, 2010 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.
30 #include "command-line.h"
33 #include "dynamic-string.h"
35 #include "ovsdb-data.h"
36 #include "ovsdb-idl.h"
37 #include "poll-loop.h"
39 #include "stream-ssl.h"
41 #include "vswitchd/vswitch-idl.h"
46 VLOG_DEFINE_THIS_MODULE(vsctl);
48 /* vsctl_fatal() also logs the error, so it is preferred in this file. */
49 #define ovs_fatal please_use_vsctl_fatal_instead_of_ovs_fatal
53 /* A command supported by ovs-vsctl. */
54 struct vsctl_command_syntax {
55 const char *name; /* e.g. "add-br" */
56 int min_args; /* Min number of arguments following name. */
57 int max_args; /* Max number of arguments following name. */
59 /* If nonnull, calls ovsdb_idl_add_column() or ovsdb_idl_add_table() for
60 * each column or table in ctx->idl that it uses. */
61 void (*prerequisites)(struct vsctl_context *ctx);
63 /* Does the actual work of the command and puts the command's output, if
64 * any, in ctx->output.
66 * Alternatively, if some prerequisite of the command is not met and the
67 * caller should wait for something to change and then retry, it may set
68 * ctx->try_again to true. (Only the "wait-until" command currently does
70 void (*run)(struct vsctl_context *ctx);
72 /* If nonnull, called after the transaction has been successfully
73 * committed. ctx->output is the output from the "run" function, which
74 * this function may modify and otherwise postprocess as needed. (Only the
75 * "create" command currently does any postprocessing.) */
76 void (*postprocess)(struct vsctl_context *ctx);
78 /* A comma-separated list of supported options, e.g. "--a,--b", or the
79 * empty string if the command does not support any options. */
81 enum { RO, RW } mode; /* Does this command modify the database? */
84 struct vsctl_command {
85 /* Data that remains constant after initialization. */
86 const struct vsctl_command_syntax *syntax;
91 /* Data modified by commands. */
95 /* --db: The database server to contact. */
96 static const char *db;
98 /* --oneline: Write each command's output as a single line? */
101 /* --dry-run: Do not commit any changes. */
104 /* --no-wait: Wait for ovs-vswitchd to reload its configuration? */
105 static bool wait_for_reload = true;
107 /* --timeout: Time to wait for a connection to 'db'. */
110 /* All supported commands. */
111 static const struct vsctl_command_syntax all_commands[];
113 /* The IDL we're using and the current transaction, if any.
114 * This is for use by vsctl_exit() only, to allow it to clean up.
115 * Other code should use its context arguments. */
116 static struct ovsdb_idl *the_idl;
117 static struct ovsdb_idl_txn *the_idl_txn;
119 static void vsctl_exit(int status) NO_RETURN;
120 static void vsctl_fatal(const char *, ...) PRINTF_FORMAT(1, 2) NO_RETURN;
121 static char *default_db(void);
122 static void usage(void) NO_RETURN;
123 static void parse_options(int argc, char *argv[]);
124 static bool might_write_to_db(char **argv);
126 static struct vsctl_command *parse_commands(int argc, char *argv[],
127 size_t *n_commandsp);
128 static void parse_command(int argc, char *argv[], struct vsctl_command *);
129 static const struct vsctl_command_syntax *find_command(const char *name);
130 static void run_prerequisites(struct vsctl_command[], size_t n_commands,
132 static void do_vsctl(const char *args,
133 struct vsctl_command *, size_t n_commands,
136 static const struct vsctl_table_class *get_table(const char *table_name);
137 static void set_column(const struct vsctl_table_class *,
138 const struct ovsdb_idl_row *, const char *arg,
139 struct ovsdb_symbol_table *);
142 main(int argc, char *argv[])
144 extern struct vlog_module VLM_reconnect;
145 struct ovsdb_idl *idl;
146 struct vsctl_command *commands;
150 set_program_name(argv[0]);
151 signal(SIGPIPE, SIG_IGN);
152 vlog_set_levels(NULL, VLF_CONSOLE, VLL_WARN);
153 vlog_set_levels(&VLM_reconnect, VLF_ANY_FACILITY, VLL_WARN);
156 /* Log our arguments. This is often valuable for debugging systems. */
157 args = process_escape_args(argv);
158 VLOG(might_write_to_db(argv) ? VLL_INFO : VLL_DBG, "Called as %s", args);
160 /* Parse command line. */
161 parse_options(argc, argv);
162 commands = parse_commands(argc - optind, argv + optind, &n_commands);
168 /* Initialize IDL. */
169 idl = the_idl = ovsdb_idl_create(db, &ovsrec_idl_class, false);
170 run_prerequisites(commands, n_commands, idl);
172 /* Now execute the commands. */
174 if (ovsdb_idl_run(idl)) {
175 do_vsctl(args, commands, n_commands, idl);
184 parse_options(int argc, char *argv[])
187 OPT_DB = UCHAR_MAX + 1,
195 static struct option long_options[] = {
196 {"db", required_argument, 0, OPT_DB},
197 {"no-syslog", no_argument, 0, OPT_NO_SYSLOG},
198 {"no-wait", no_argument, 0, OPT_NO_WAIT},
199 {"dry-run", no_argument, 0, OPT_DRY_RUN},
200 {"oneline", no_argument, 0, OPT_ONELINE},
201 {"timeout", required_argument, 0, 't'},
202 {"help", no_argument, 0, 'h'},
203 {"version", no_argument, 0, 'V'},
206 STREAM_SSL_LONG_OPTIONS
207 {"peer-ca-cert", required_argument, 0, OPT_PEER_CA_CERT},
211 char *tmp, *short_options;
213 tmp = long_options_to_short_options(long_options);
214 short_options = xasprintf("+%s", tmp);
220 c = getopt_long(argc, argv, short_options, long_options, NULL);
235 vlog_set_levels(&VLM_vsctl, VLF_SYSLOG, VLL_WARN);
239 wait_for_reload = false;
250 OVS_PRINT_VERSION(0, 0);
254 timeout = strtoul(optarg, NULL, 10);
256 vsctl_fatal("value %s on -t or --timeout is invalid",
264 STREAM_SSL_OPTION_HANDLERS
266 case OPT_PEER_CA_CERT:
267 stream_ssl_set_peer_ca_cert_file(optarg);
285 static struct vsctl_command *
286 parse_commands(int argc, char *argv[], size_t *n_commandsp)
288 struct vsctl_command *commands;
289 size_t n_commands, allocated_commands;
293 n_commands = allocated_commands = 0;
295 for (start = i = 0; i <= argc; i++) {
296 if (i == argc || !strcmp(argv[i], "--")) {
298 if (n_commands >= allocated_commands) {
299 struct vsctl_command *c;
301 commands = x2nrealloc(commands, &allocated_commands,
303 for (c = commands; c < &commands[n_commands]; c++) {
304 shash_moved(&c->options);
307 parse_command(i - start, &argv[start],
308 &commands[n_commands++]);
314 vsctl_fatal("missing command name (use --help for help)");
316 *n_commandsp = n_commands;
321 parse_command(int argc, char *argv[], struct vsctl_command *command)
323 const struct vsctl_command_syntax *p;
324 struct shash_node *node;
328 shash_init(&command->options);
329 for (i = 0; i < argc; i++) {
330 const char *option = argv[i];
334 if (option[0] != '-') {
338 equals = strchr(option, '=');
340 key = xmemdup0(option, equals - option);
341 value = xstrdup(equals + 1);
343 key = xstrdup(option);
347 if (shash_find(&command->options, key)) {
348 vsctl_fatal("'%s' option specified multiple times", argv[i]);
350 shash_add_nocopy(&command->options, key, value);
353 vsctl_fatal("missing command name");
356 p = find_command(argv[i]);
358 vsctl_fatal("unknown command '%s'; use --help for help", argv[i]);
361 SHASH_FOR_EACH (node, &command->options) {
362 const char *s = strstr(p->options, node->name);
363 int end = s ? s[strlen(node->name)] : EOF;
365 if (end != '=' && end != ',' && end != ' ' && end != '\0') {
366 vsctl_fatal("'%s' command has no '%s' option",
367 argv[i], node->name);
369 if ((end == '=') != (node->data != NULL)) {
371 vsctl_fatal("missing argument to '%s' option on '%s' "
372 "command", node->name, argv[i]);
374 vsctl_fatal("'%s' option on '%s' does not accept an "
375 "argument", node->name, argv[i]);
380 n_arg = argc - i - 1;
381 if (n_arg < p->min_args) {
382 vsctl_fatal("'%s' command requires at least %d arguments",
383 p->name, p->min_args);
384 } else if (n_arg > p->max_args) {
387 for (j = i + 1; j < argc; j++) {
388 if (argv[j][0] == '-') {
389 vsctl_fatal("'%s' command takes at most %d arguments "
390 "(note that options must precede command "
391 "names and follow a \"--\" argument)",
392 p->name, p->max_args);
396 vsctl_fatal("'%s' command takes at most %d arguments",
397 p->name, p->max_args);
401 command->argc = n_arg + 1;
402 command->argv = &argv[i];
405 /* Returns the "struct vsctl_command_syntax" for a given command 'name', or a
406 * null pointer if there is none. */
407 static const struct vsctl_command_syntax *
408 find_command(const char *name)
410 static struct shash commands = SHASH_INITIALIZER(&commands);
412 if (shash_is_empty(&commands)) {
413 const struct vsctl_command_syntax *p;
415 for (p = all_commands; p->name; p++) {
416 shash_add_assert(&commands, p->name, p);
420 return shash_find_data(&commands, name);
424 vsctl_fatal(const char *format, ...)
429 va_start(args, format);
430 message = xvasprintf(format, args);
433 vlog_set_levels(&VLM_vsctl, VLF_CONSOLE, VLL_EMER);
434 VLOG_ERR("%s", message);
435 ovs_error(0, "%s", message);
436 vsctl_exit(EXIT_FAILURE);
439 /* Frees the current transaction and the underlying IDL and then calls
442 * Freeing the transaction and the IDL is not strictly necessary, but it makes
443 * for a clean memory leak report from valgrind in the normal case. That makes
444 * it easier to notice real memory leaks. */
446 vsctl_exit(int status)
449 ovsdb_idl_txn_abort(the_idl_txn);
450 ovsdb_idl_txn_destroy(the_idl_txn);
452 ovsdb_idl_destroy(the_idl);
460 %s: ovs-vswitchd management utility\n\
461 usage: %s [OPTIONS] COMMAND [ARG...]\n\
464 add-br BRIDGE create a new bridge named BRIDGE\n\
465 add-br BRIDGE PARENT VLAN create new fake BRIDGE in PARENT on VLAN\n\
466 del-br BRIDGE delete BRIDGE and all of its ports\n\
467 list-br print the names of all the bridges\n\
468 br-exists BRIDGE test whether BRIDGE exists\n\
469 br-to-vlan BRIDGE print the VLAN which BRIDGE is on\n\
470 br-to-parent BRIDGE print the parent of BRIDGE\n\
471 br-set-external-id BRIDGE KEY VALUE set KEY on BRIDGE to VALUE\n\
472 br-set-external-id BRIDGE KEY unset KEY on BRIDGE\n\
473 br-get-external-id BRIDGE KEY print value of KEY on BRIDGE\n\
474 br-get-external-id BRIDGE list key-value pairs on BRIDGE\n\
477 list-ports BRIDGE print the names of all the ports on BRIDGE\n\
478 add-port BRIDGE PORT add network device PORT to BRIDGE\n\
479 add-bond BRIDGE PORT IFACE... add bonded port PORT in BRIDGE from IFACES\n\
480 del-port [BRIDGE] PORT delete PORT (which may be bonded) from BRIDGE\n\
481 port-to-br PORT print name of bridge that contains PORT\n\
482 A bond is considered to be a single port.\n\
484 Interface commands (a bond consists of multiple interfaces):\n\
485 list-ifaces BRIDGE print the names of all interfaces on BRIDGE\n\
486 iface-to-br IFACE print name of bridge that contains IFACE\n\
488 Controller commands:\n\
489 get-controller BRIDGE print the controller for BRIDGE\n\
490 del-controller BRIDGE delete the controller for BRIDGE\n\
491 set-controller BRIDGE TARGET set the controller for BRIDGE to TARGET\n\
492 get-fail-mode BRIDGE print the fail-mode for BRIDGE\n\
493 del-fail-mode BRIDGE delete the fail-mode for BRIDGE\n\
494 set-fail-mode BRIDGE MODE set the fail-mode for BRIDGE to MODE\n\
497 get-ssl print the SSL configuration\n\
498 del-ssl delete the SSL configuration\n\
499 set-ssl PRIV-KEY CERT CA-CERT set the SSL configuration\n\
502 emer-reset reset switch to known good state\n\
504 Database commands:\n\
505 list TBL [REC] list RECord (or all records) in TBL\n\
506 get TBL REC COL[:KEY] print values of COLumns in RECord in TBL\n\
507 set TBL REC COL[:KEY]=VALUE set COLumn values in RECord in TBL\n\
508 add TBL REC COL [KEY=]VALUE add (KEY=)VALUE to COLumn in RECord in TBL\n\
509 remove TBL REC COL [KEY=]VALUE remove (KEY=)VALUE from COLumn\n\
510 clear TBL REC COL clear values from COLumn in RECord in TBL\n\
511 create TBL COL[:KEY]=VALUE create and initialize new record\n\
512 destroy TBL REC delete RECord from TBL\n\
513 wait-until TBL REC [COL[:KEY]=VALUE] wait until condition is true\n\
514 Potentially unsafe database commands require --force option.\n\
517 --db=DATABASE connect to DATABASE\n\
519 --oneline print exactly one line of output per command\n",
520 program_name, program_name, default_db());
524 -h, --help display this help message\n\
525 -V, --version display version information\n");
534 def = xasprintf("unix:%s/db.sock", ovs_rundir());
539 /* Returns true if it looks like this set of arguments might modify the
540 * database, otherwise false. (Not very smart, so it's prone to false
543 might_write_to_db(char **argv)
545 for (; *argv; argv++) {
546 const struct vsctl_command_syntax *p = find_command(*argv);
547 if (p && p->mode == RW) {
554 struct vsctl_context {
558 struct shash options;
560 /* Modifiable state. */
562 struct ovsdb_idl *idl;
563 struct ovsdb_idl_txn *txn;
564 struct ovsdb_symbol_table *symtab;
565 const struct ovsrec_open_vswitch *ovs;
568 /* A command may set this member to true if some prerequisite is not met
569 * and the caller should wait for something to change and then retry. */
573 struct vsctl_bridge {
574 struct ovsrec_bridge *br_cfg;
576 struct ovsrec_controller **ctrl;
579 struct vsctl_bridge *parent;
584 struct ovsrec_port *port_cfg;
585 struct vsctl_bridge *bridge;
589 struct ovsrec_interface *iface_cfg;
590 struct vsctl_port *port;
594 struct vsctl_context *ctx;
595 struct shash bridges; /* Maps from bridge name to struct vsctl_bridge. */
596 struct shash ports; /* Maps from port name to struct vsctl_port. */
597 struct shash ifaces; /* Maps from port name to struct vsctl_iface. */
601 vsctl_context_to_string(const struct vsctl_context *ctx)
603 const struct shash_node *node;
609 SHASH_FOR_EACH (node, &ctx->options) {
610 svec_add(&words, node->name);
612 for (i = 0; i < ctx->argc; i++) {
613 svec_add(&words, ctx->argv[i]);
615 svec_terminate(&words);
617 s = process_escape_args(words.names);
619 svec_destroy(&words);
625 verify_ports(struct vsctl_context *ctx)
627 if (!ctx->verified_ports) {
628 const struct ovsrec_bridge *bridge;
629 const struct ovsrec_port *port;
631 ovsrec_open_vswitch_verify_bridges(ctx->ovs);
632 OVSREC_BRIDGE_FOR_EACH (bridge, ctx->idl) {
633 ovsrec_bridge_verify_ports(bridge);
635 OVSREC_PORT_FOR_EACH (port, ctx->idl) {
636 ovsrec_port_verify_interfaces(port);
639 ctx->verified_ports = true;
643 static struct vsctl_bridge *
644 add_bridge(struct vsctl_info *b,
645 struct ovsrec_bridge *br_cfg, const char *name,
646 struct vsctl_bridge *parent, int vlan)
648 struct vsctl_bridge *br = xmalloc(sizeof *br);
650 br->name = xstrdup(name);
654 br->ctrl = parent->br_cfg->controller;
655 br->n_ctrl = parent->br_cfg->n_controller;
656 br->fail_mode = parent->br_cfg->fail_mode;
658 br->ctrl = br_cfg->controller;
659 br->n_ctrl = br_cfg->n_controller;
660 br->fail_mode = br_cfg->fail_mode;
662 shash_add(&b->bridges, br->name, br);
667 port_is_fake_bridge(const struct ovsrec_port *port_cfg)
669 return (port_cfg->fake_bridge
671 && *port_cfg->tag >= 1 && *port_cfg->tag <= 4095);
674 static struct vsctl_bridge *
675 find_vlan_bridge(struct vsctl_info *info,
676 struct vsctl_bridge *parent, int vlan)
678 struct shash_node *node;
680 SHASH_FOR_EACH (node, &info->bridges) {
681 struct vsctl_bridge *br = node->data;
682 if (br->parent == parent && br->vlan == vlan) {
691 free_info(struct vsctl_info *info)
693 struct shash_node *node;
695 SHASH_FOR_EACH (node, &info->bridges) {
696 struct vsctl_bridge *bridge = node->data;
700 shash_destroy(&info->bridges);
702 shash_destroy_free_data(&info->ports);
703 shash_destroy_free_data(&info->ifaces);
707 pre_get_info(struct vsctl_context *ctx)
709 ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_bridges);
711 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_name);
712 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_controller);
713 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_fail_mode);
714 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_ports);
716 ovsdb_idl_add_column(ctx->idl, &ovsrec_port_col_name);
717 ovsdb_idl_add_column(ctx->idl, &ovsrec_port_col_fake_bridge);
718 ovsdb_idl_add_column(ctx->idl, &ovsrec_port_col_tag);
719 ovsdb_idl_add_column(ctx->idl, &ovsrec_port_col_interfaces);
721 ovsdb_idl_add_column(ctx->idl, &ovsrec_interface_col_name);
725 get_info(struct vsctl_context *ctx, struct vsctl_info *info)
727 const struct ovsrec_open_vswitch *ovs = ctx->ovs;
728 struct shash bridges, ports;
732 shash_init(&info->bridges);
733 shash_init(&info->ports);
734 shash_init(&info->ifaces);
736 shash_init(&bridges);
738 for (i = 0; i < ovs->n_bridges; i++) {
739 struct ovsrec_bridge *br_cfg = ovs->bridges[i];
740 struct vsctl_bridge *br;
743 if (!shash_add_once(&bridges, br_cfg->name, NULL)) {
744 VLOG_WARN("%s: database contains duplicate bridge name",
748 br = add_bridge(info, br_cfg, br_cfg->name, NULL, 0);
753 for (j = 0; j < br_cfg->n_ports; j++) {
754 struct ovsrec_port *port_cfg = br_cfg->ports[j];
756 if (!shash_add_once(&ports, port_cfg->name, NULL)) {
757 VLOG_WARN("%s: database contains duplicate port name",
762 if (port_is_fake_bridge(port_cfg)
763 && shash_add_once(&bridges, port_cfg->name, NULL)) {
764 add_bridge(info, NULL, port_cfg->name, br, *port_cfg->tag);
768 shash_destroy(&bridges);
769 shash_destroy(&ports);
771 shash_init(&bridges);
773 for (i = 0; i < ovs->n_bridges; i++) {
774 struct ovsrec_bridge *br_cfg = ovs->bridges[i];
775 struct vsctl_bridge *br;
778 if (!shash_add_once(&bridges, br_cfg->name, NULL)) {
781 br = shash_find_data(&info->bridges, br_cfg->name);
782 for (j = 0; j < br_cfg->n_ports; j++) {
783 struct ovsrec_port *port_cfg = br_cfg->ports[j];
784 struct vsctl_port *port;
787 if (!shash_add_once(&ports, port_cfg->name, NULL)) {
791 if (port_is_fake_bridge(port_cfg)
792 && !shash_add_once(&bridges, port_cfg->name, NULL)) {
796 port = xmalloc(sizeof *port);
797 port->port_cfg = port_cfg;
799 && *port_cfg->tag >= 1 && *port_cfg->tag <= 4095) {
800 port->bridge = find_vlan_bridge(info, br, *port_cfg->tag);
807 shash_add(&info->ports, port_cfg->name, port);
809 for (k = 0; k < port_cfg->n_interfaces; k++) {
810 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[k];
811 struct vsctl_iface *iface;
813 if (shash_find(&info->ifaces, iface_cfg->name)) {
814 VLOG_WARN("%s: database contains duplicate interface name",
819 iface = xmalloc(sizeof *iface);
820 iface->iface_cfg = iface_cfg;
822 shash_add(&info->ifaces, iface_cfg->name, iface);
826 shash_destroy(&bridges);
827 shash_destroy(&ports);
831 check_conflicts(struct vsctl_info *info, const char *name,
834 struct vsctl_iface *iface;
835 struct vsctl_port *port;
837 verify_ports(info->ctx);
839 if (shash_find(&info->bridges, name)) {
840 vsctl_fatal("%s because a bridge named %s already exists",
844 port = shash_find_data(&info->ports, name);
846 vsctl_fatal("%s because a port named %s already exists on "
847 "bridge %s", msg, name, port->bridge->name);
850 iface = shash_find_data(&info->ifaces, name);
852 vsctl_fatal("%s because an interface named %s already exists "
853 "on bridge %s", msg, name, iface->port->bridge->name);
859 static struct vsctl_bridge *
860 find_bridge(struct vsctl_info *info, const char *name, bool must_exist)
862 struct vsctl_bridge *br = shash_find_data(&info->bridges, name);
863 if (must_exist && !br) {
864 vsctl_fatal("no bridge named %s", name);
866 ovsrec_open_vswitch_verify_bridges(info->ctx->ovs);
870 static struct vsctl_bridge *
871 find_real_bridge(struct vsctl_info *info, const char *name, bool must_exist)
873 struct vsctl_bridge *br = find_bridge(info, name, must_exist);
874 if (br && br->parent) {
875 vsctl_fatal("%s is a fake bridge", name);
880 static struct vsctl_port *
881 find_port(struct vsctl_info *info, const char *name, bool must_exist)
883 struct vsctl_port *port = shash_find_data(&info->ports, name);
884 if (port && !strcmp(name, port->bridge->name)) {
887 if (must_exist && !port) {
888 vsctl_fatal("no port named %s", name);
890 verify_ports(info->ctx);
894 static struct vsctl_iface *
895 find_iface(struct vsctl_info *info, const char *name, bool must_exist)
897 struct vsctl_iface *iface = shash_find_data(&info->ifaces, name);
898 if (iface && !strcmp(name, iface->port->bridge->name)) {
901 if (must_exist && !iface) {
902 vsctl_fatal("no interface named %s", name);
904 verify_ports(info->ctx);
909 bridge_insert_port(struct ovsrec_bridge *br, struct ovsrec_port *port)
911 struct ovsrec_port **ports;
914 ports = xmalloc(sizeof *br->ports * (br->n_ports + 1));
915 for (i = 0; i < br->n_ports; i++) {
916 ports[i] = br->ports[i];
918 ports[br->n_ports] = port;
919 ovsrec_bridge_set_ports(br, ports, br->n_ports + 1);
924 bridge_delete_port(struct ovsrec_bridge *br, struct ovsrec_port *port)
926 struct ovsrec_port **ports;
929 ports = xmalloc(sizeof *br->ports * br->n_ports);
930 for (i = n = 0; i < br->n_ports; i++) {
931 if (br->ports[i] != port) {
932 ports[n++] = br->ports[i];
935 ovsrec_bridge_set_ports(br, ports, n);
940 ovs_insert_bridge(const struct ovsrec_open_vswitch *ovs,
941 struct ovsrec_bridge *bridge)
943 struct ovsrec_bridge **bridges;
946 bridges = xmalloc(sizeof *ovs->bridges * (ovs->n_bridges + 1));
947 for (i = 0; i < ovs->n_bridges; i++) {
948 bridges[i] = ovs->bridges[i];
950 bridges[ovs->n_bridges] = bridge;
951 ovsrec_open_vswitch_set_bridges(ovs, bridges, ovs->n_bridges + 1);
956 ovs_delete_bridge(const struct ovsrec_open_vswitch *ovs,
957 struct ovsrec_bridge *bridge)
959 struct ovsrec_bridge **bridges;
962 bridges = xmalloc(sizeof *ovs->bridges * ovs->n_bridges);
963 for (i = n = 0; i < ovs->n_bridges; i++) {
964 if (ovs->bridges[i] != bridge) {
965 bridges[n++] = ovs->bridges[i];
968 ovsrec_open_vswitch_set_bridges(ovs, bridges, n);
973 cmd_init(struct vsctl_context *ctx OVS_UNUSED)
978 pre_cmd_emer_reset(struct vsctl_context *ctx)
980 ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_managers);
981 ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_ssl);
983 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_controller);
984 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_fail_mode);
985 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_mirrors);
986 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_netflow);
987 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_sflow);
988 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_flood_vlans);
989 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_other_config);
991 ovsdb_idl_add_column(ctx->idl, &ovsrec_port_col_other_config);
993 ovsdb_idl_add_column(ctx->idl,
994 &ovsrec_interface_col_ingress_policing_rate);
995 ovsdb_idl_add_column(ctx->idl,
996 &ovsrec_interface_col_ingress_policing_burst);
1000 cmd_emer_reset(struct vsctl_context *ctx)
1002 const struct ovsdb_idl *idl = ctx->idl;
1003 const struct ovsrec_bridge *br;
1004 const struct ovsrec_port *port;
1005 const struct ovsrec_interface *iface;
1006 const struct ovsrec_mirror *mirror, *next_mirror;
1007 const struct ovsrec_controller *ctrl, *next_ctrl;
1008 const struct ovsrec_netflow *nf, *next_nf;
1009 const struct ovsrec_ssl *ssl, *next_ssl;
1010 const struct ovsrec_sflow *sflow, *next_sflow;
1012 /* Reset the Open_vSwitch table. */
1013 ovsrec_open_vswitch_set_managers(ctx->ovs, NULL, 0);
1014 ovsrec_open_vswitch_set_ssl(ctx->ovs, NULL);
1016 OVSREC_BRIDGE_FOR_EACH (br, idl) {
1018 char *hw_key = "hwaddr";
1019 char *hw_val = NULL;
1021 ovsrec_bridge_set_controller(br, NULL, 0);
1022 ovsrec_bridge_set_fail_mode(br, NULL);
1023 ovsrec_bridge_set_mirrors(br, NULL, 0);
1024 ovsrec_bridge_set_netflow(br, NULL);
1025 ovsrec_bridge_set_sflow(br, NULL);
1026 ovsrec_bridge_set_flood_vlans(br, NULL, 0);
1028 /* We only want to save the "hwaddr" key from other_config. */
1029 for (i=0; i < br->n_other_config; i++) {
1030 if (!strcmp(br->key_other_config[i], hw_key)) {
1031 hw_val = br->value_other_config[i];
1036 char *val = xstrdup(hw_val);
1037 ovsrec_bridge_set_other_config(br, &hw_key, &val, 1);
1040 ovsrec_bridge_set_other_config(br, NULL, NULL, 0);
1044 OVSREC_PORT_FOR_EACH (port, idl) {
1045 ovsrec_port_set_other_config(port, NULL, NULL, 0);
1048 OVSREC_INTERFACE_FOR_EACH (iface, idl) {
1049 /* xxx What do we do about gre/patch devices created by mgr? */
1051 ovsrec_interface_set_ingress_policing_rate(iface, 0);
1052 ovsrec_interface_set_ingress_policing_burst(iface, 0);
1055 OVSREC_MIRROR_FOR_EACH_SAFE (mirror, next_mirror, idl) {
1056 ovsrec_mirror_delete(mirror);
1059 OVSREC_CONTROLLER_FOR_EACH_SAFE (ctrl, next_ctrl, idl) {
1060 ovsrec_controller_delete(ctrl);
1063 OVSREC_NETFLOW_FOR_EACH_SAFE (nf, next_nf, idl) {
1064 ovsrec_netflow_delete(nf);
1067 OVSREC_SSL_FOR_EACH_SAFE (ssl, next_ssl, idl) {
1068 ovsrec_ssl_delete(ssl);
1071 OVSREC_SFLOW_FOR_EACH_SAFE (sflow, next_sflow, idl) {
1072 ovsrec_sflow_delete(sflow);
1077 cmd_add_br(struct vsctl_context *ctx)
1079 bool may_exist = shash_find(&ctx->options, "--may-exist") != 0;
1080 const char *br_name, *parent_name;
1081 struct vsctl_info info;
1084 br_name = ctx->argv[1];
1085 if (ctx->argc == 2) {
1088 } else if (ctx->argc == 4) {
1089 parent_name = ctx->argv[2];
1090 vlan = atoi(ctx->argv[3]);
1091 if (vlan < 1 || vlan > 4095) {
1092 vsctl_fatal("%s: vlan must be between 1 and 4095", ctx->argv[0]);
1095 vsctl_fatal("'%s' command takes exactly 1 or 3 arguments",
1099 get_info(ctx, &info);
1101 struct vsctl_bridge *br;
1103 br = find_bridge(&info, br_name, false);
1107 vsctl_fatal("\"--may-exist add-br %s\" but %s is "
1108 "a VLAN bridge for VLAN %d",
1109 br_name, br_name, br->vlan);
1113 vsctl_fatal("\"--may-exist add-br %s %s %d\" but %s "
1114 "is not a VLAN bridge",
1115 br_name, parent_name, vlan, br_name);
1116 } else if (strcmp(br->parent->name, parent_name)) {
1117 vsctl_fatal("\"--may-exist add-br %s %s %d\" but %s "
1118 "has the wrong parent %s",
1119 br_name, parent_name, vlan,
1120 br_name, br->parent->name);
1121 } else if (br->vlan != vlan) {
1122 vsctl_fatal("\"--may-exist add-br %s %s %d\" but %s "
1123 "is a VLAN bridge for the wrong VLAN %d",
1124 br_name, parent_name, vlan, br_name, br->vlan);
1130 check_conflicts(&info, br_name,
1131 xasprintf("cannot create a bridge named %s", br_name));
1134 struct ovsrec_port *port;
1135 struct ovsrec_interface *iface;
1136 struct ovsrec_bridge *br;
1138 iface = ovsrec_interface_insert(ctx->txn);
1139 ovsrec_interface_set_name(iface, br_name);
1140 ovsrec_interface_set_type(iface, "internal");
1142 port = ovsrec_port_insert(ctx->txn);
1143 ovsrec_port_set_name(port, br_name);
1144 ovsrec_port_set_interfaces(port, &iface, 1);
1146 br = ovsrec_bridge_insert(ctx->txn);
1147 ovsrec_bridge_set_name(br, br_name);
1148 ovsrec_bridge_set_ports(br, &port, 1);
1150 ovs_insert_bridge(ctx->ovs, br);
1152 struct vsctl_bridge *parent;
1153 struct ovsrec_port *port;
1154 struct ovsrec_interface *iface;
1155 struct ovsrec_bridge *br;
1158 parent = find_bridge(&info, parent_name, false);
1159 if (parent && parent->vlan) {
1160 vsctl_fatal("cannot create bridge with fake bridge as parent");
1163 vsctl_fatal("parent bridge %s does not exist", parent_name);
1165 br = parent->br_cfg;
1167 iface = ovsrec_interface_insert(ctx->txn);
1168 ovsrec_interface_set_name(iface, br_name);
1169 ovsrec_interface_set_type(iface, "internal");
1171 port = ovsrec_port_insert(ctx->txn);
1172 ovsrec_port_set_name(port, br_name);
1173 ovsrec_port_set_interfaces(port, &iface, 1);
1174 ovsrec_port_set_fake_bridge(port, true);
1175 ovsrec_port_set_tag(port, &tag, 1);
1177 bridge_insert_port(br, port);
1184 del_port(struct vsctl_info *info, struct vsctl_port *port)
1186 struct shash_node *node;
1188 SHASH_FOR_EACH (node, &info->ifaces) {
1189 struct vsctl_iface *iface = node->data;
1190 if (iface->port == port) {
1191 ovsrec_interface_delete(iface->iface_cfg);
1194 ovsrec_port_delete(port->port_cfg);
1196 bridge_delete_port((port->bridge->parent
1197 ? port->bridge->parent->br_cfg
1198 : port->bridge->br_cfg), port->port_cfg);
1202 cmd_del_br(struct vsctl_context *ctx)
1204 bool must_exist = !shash_find(&ctx->options, "--if-exists");
1205 struct vsctl_bridge *bridge;
1206 struct vsctl_info info;
1208 get_info(ctx, &info);
1209 bridge = find_bridge(&info, ctx->argv[1], must_exist);
1211 struct shash_node *node;
1213 SHASH_FOR_EACH (node, &info.ports) {
1214 struct vsctl_port *port = node->data;
1215 if (port->bridge == bridge || port->bridge->parent == bridge
1216 || !strcmp(port->port_cfg->name, bridge->name)) {
1217 del_port(&info, port);
1220 if (bridge->br_cfg) {
1221 ovsrec_bridge_delete(bridge->br_cfg);
1222 ovs_delete_bridge(ctx->ovs, bridge->br_cfg);
1229 output_sorted(struct svec *svec, struct ds *output)
1235 SVEC_FOR_EACH (i, name, svec) {
1236 ds_put_format(output, "%s\n", name);
1241 cmd_list_br(struct vsctl_context *ctx)
1243 struct shash_node *node;
1244 struct vsctl_info info;
1245 struct svec bridges;
1247 get_info(ctx, &info);
1249 svec_init(&bridges);
1250 SHASH_FOR_EACH (node, &info.bridges) {
1251 struct vsctl_bridge *br = node->data;
1252 svec_add(&bridges, br->name);
1254 output_sorted(&bridges, &ctx->output);
1255 svec_destroy(&bridges);
1261 cmd_br_exists(struct vsctl_context *ctx)
1263 struct vsctl_info info;
1265 get_info(ctx, &info);
1266 if (!find_bridge(&info, ctx->argv[1], false)) {
1272 /* Returns true if 'b_prefix' (of length 'b_prefix_len') concatenated with 'b'
1273 * equals 'a', false otherwise. */
1275 key_matches(const char *a,
1276 const char *b_prefix, size_t b_prefix_len, const char *b)
1278 return !strncmp(a, b_prefix, b_prefix_len) && !strcmp(a + b_prefix_len, b);
1282 set_external_id(char **old_keys, char **old_values, size_t old_n,
1283 char *key, char *value,
1284 char ***new_keysp, char ***new_valuesp, size_t *new_np)
1291 new_keys = xmalloc(sizeof *new_keys * (old_n + 1));
1292 new_values = xmalloc(sizeof *new_values * (old_n + 1));
1294 for (i = 0; i < old_n; i++) {
1295 if (strcmp(key, old_keys[i])) {
1296 new_keys[new_n] = old_keys[i];
1297 new_values[new_n] = old_values[i];
1302 new_keys[new_n] = key;
1303 new_values[new_n] = value;
1306 *new_keysp = new_keys;
1307 *new_valuesp = new_values;
1312 pre_cmd_br_set_external_id(struct vsctl_context *ctx)
1315 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_external_ids);
1316 ovsdb_idl_add_column(ctx->idl, &ovsrec_port_col_external_ids);
1320 cmd_br_set_external_id(struct vsctl_context *ctx)
1322 struct vsctl_info info;
1323 struct vsctl_bridge *bridge;
1324 char **keys, **values;
1327 get_info(ctx, &info);
1328 bridge = find_bridge(&info, ctx->argv[1], true);
1329 if (bridge->br_cfg) {
1330 set_external_id(bridge->br_cfg->key_external_ids,
1331 bridge->br_cfg->value_external_ids,
1332 bridge->br_cfg->n_external_ids,
1333 ctx->argv[2], ctx->argc >= 4 ? ctx->argv[3] : NULL,
1334 &keys, &values, &n);
1335 ovsrec_bridge_verify_external_ids(bridge->br_cfg);
1336 ovsrec_bridge_set_external_ids(bridge->br_cfg, keys, values, n);
1338 char *key = xasprintf("fake-bridge-%s", ctx->argv[2]);
1339 struct vsctl_port *port = shash_find_data(&info.ports, ctx->argv[1]);
1340 set_external_id(port->port_cfg->key_external_ids,
1341 port->port_cfg->value_external_ids,
1342 port->port_cfg->n_external_ids,
1343 key, ctx->argc >= 4 ? ctx->argv[3] : NULL,
1344 &keys, &values, &n);
1345 ovsrec_port_verify_external_ids(port->port_cfg);
1346 ovsrec_port_set_external_ids(port->port_cfg, keys, values, n);
1356 get_external_id(char **keys, char **values, size_t n,
1357 const char *prefix, const char *key,
1360 size_t prefix_len = strlen(prefix);
1365 for (i = 0; i < n; i++) {
1366 if (!key && !strncmp(keys[i], prefix, prefix_len)) {
1367 svec_add_nocopy(&svec, xasprintf("%s=%s",
1368 keys[i] + prefix_len, values[i]));
1369 } else if (key_matches(keys[i], prefix, prefix_len, key)) {
1370 svec_add(&svec, values[i]);
1374 output_sorted(&svec, output);
1375 svec_destroy(&svec);
1379 pre_cmd_br_get_external_id(struct vsctl_context *ctx)
1381 pre_cmd_br_set_external_id(ctx);
1385 cmd_br_get_external_id(struct vsctl_context *ctx)
1387 struct vsctl_info info;
1388 struct vsctl_bridge *bridge;
1390 get_info(ctx, &info);
1391 bridge = find_bridge(&info, ctx->argv[1], true);
1392 if (bridge->br_cfg) {
1393 ovsrec_bridge_verify_external_ids(bridge->br_cfg);
1394 get_external_id(bridge->br_cfg->key_external_ids,
1395 bridge->br_cfg->value_external_ids,
1396 bridge->br_cfg->n_external_ids,
1397 "", ctx->argc >= 3 ? ctx->argv[2] : NULL,
1400 struct vsctl_port *port = shash_find_data(&info.ports, ctx->argv[1]);
1401 ovsrec_port_verify_external_ids(port->port_cfg);
1402 get_external_id(port->port_cfg->key_external_ids,
1403 port->port_cfg->value_external_ids,
1404 port->port_cfg->n_external_ids,
1405 "fake-bridge-", ctx->argc >= 3 ? ctx->argv[2] : NULL, &ctx->output);
1412 cmd_list_ports(struct vsctl_context *ctx)
1414 struct vsctl_bridge *br;
1415 struct shash_node *node;
1416 struct vsctl_info info;
1419 get_info(ctx, &info);
1420 br = find_bridge(&info, ctx->argv[1], true);
1421 ovsrec_bridge_verify_ports(br->br_cfg ? br->br_cfg : br->parent->br_cfg);
1424 SHASH_FOR_EACH (node, &info.ports) {
1425 struct vsctl_port *port = node->data;
1427 if (strcmp(port->port_cfg->name, br->name) && br == port->bridge) {
1428 svec_add(&ports, port->port_cfg->name);
1431 output_sorted(&ports, &ctx->output);
1432 svec_destroy(&ports);
1438 add_port(struct vsctl_context *ctx,
1439 const char *br_name, const char *port_name,
1440 bool may_exist, bool fake_iface,
1441 char *iface_names[], int n_ifaces,
1442 char *settings[], int n_settings)
1444 struct vsctl_info info;
1445 struct vsctl_bridge *bridge;
1446 struct ovsrec_interface **ifaces;
1447 struct ovsrec_port *port;
1450 get_info(ctx, &info);
1452 struct vsctl_port *vsctl_port;
1454 vsctl_port = find_port(&info, port_name, false);
1456 struct svec want_names, have_names;
1458 svec_init(&want_names);
1459 for (i = 0; i < n_ifaces; i++) {
1460 svec_add(&want_names, iface_names[i]);
1462 svec_sort(&want_names);
1464 svec_init(&have_names);
1465 for (i = 0; i < vsctl_port->port_cfg->n_interfaces; i++) {
1466 svec_add(&have_names,
1467 vsctl_port->port_cfg->interfaces[i]->name);
1469 svec_sort(&have_names);
1471 if (strcmp(vsctl_port->bridge->name, br_name)) {
1472 char *command = vsctl_context_to_string(ctx);
1473 vsctl_fatal("\"%s\" but %s is actually attached to bridge %s",
1474 command, port_name, vsctl_port->bridge->name);
1477 if (!svec_equal(&want_names, &have_names)) {
1478 char *have_names_string = svec_join(&have_names, ", ", "");
1479 char *command = vsctl_context_to_string(ctx);
1481 vsctl_fatal("\"%s\" but %s actually has interface(s) %s",
1482 command, port_name, have_names_string);
1485 svec_destroy(&want_names);
1486 svec_destroy(&have_names);
1491 check_conflicts(&info, port_name,
1492 xasprintf("cannot create a port named %s", port_name));
1493 for (i = 0; i < n_ifaces; i++) {
1494 check_conflicts(&info, iface_names[i],
1495 xasprintf("cannot create an interface named %s",
1498 bridge = find_bridge(&info, br_name, true);
1500 ifaces = xmalloc(n_ifaces * sizeof *ifaces);
1501 for (i = 0; i < n_ifaces; i++) {
1502 ifaces[i] = ovsrec_interface_insert(ctx->txn);
1503 ovsrec_interface_set_name(ifaces[i], iface_names[i]);
1506 port = ovsrec_port_insert(ctx->txn);
1507 ovsrec_port_set_name(port, port_name);
1508 ovsrec_port_set_interfaces(port, ifaces, n_ifaces);
1509 ovsrec_port_set_bond_fake_iface(port, fake_iface);
1513 int64_t tag = bridge->vlan;
1514 ovsrec_port_set_tag(port, &tag, 1);
1517 for (i = 0; i < n_settings; i++) {
1518 set_column(get_table("Port"), &port->header_, settings[i],
1522 bridge_insert_port((bridge->parent ? bridge->parent->br_cfg
1523 : bridge->br_cfg), port);
1529 cmd_add_port(struct vsctl_context *ctx)
1531 bool may_exist = shash_find(&ctx->options, "--may-exist") != 0;
1533 add_port(ctx, ctx->argv[1], ctx->argv[2], may_exist, false,
1534 &ctx->argv[2], 1, &ctx->argv[3], ctx->argc - 3);
1538 cmd_add_bond(struct vsctl_context *ctx)
1540 bool may_exist = shash_find(&ctx->options, "--may-exist") != 0;
1541 bool fake_iface = shash_find(&ctx->options, "--fake-iface");
1545 n_ifaces = ctx->argc - 3;
1546 for (i = 3; i < ctx->argc; i++) {
1547 if (strchr(ctx->argv[i], '=')) {
1553 vsctl_fatal("add-bond requires at least 2 interfaces, but only "
1554 "%d were specified", n_ifaces);
1557 add_port(ctx, ctx->argv[1], ctx->argv[2], may_exist, fake_iface,
1558 &ctx->argv[3], n_ifaces,
1559 &ctx->argv[n_ifaces + 3], ctx->argc - 3 - n_ifaces);
1563 cmd_del_port(struct vsctl_context *ctx)
1565 bool must_exist = !shash_find(&ctx->options, "--if-exists");
1566 bool with_iface = shash_find(&ctx->options, "--with-iface") != NULL;
1567 struct vsctl_port *port;
1568 struct vsctl_info info;
1570 get_info(ctx, &info);
1572 port = find_port(&info, ctx->argv[ctx->argc - 1], must_exist);
1574 const char *target = ctx->argv[ctx->argc - 1];
1575 struct vsctl_iface *iface;
1577 port = find_port(&info, target, false);
1579 iface = find_iface(&info, target, false);
1584 if (must_exist && !port) {
1585 vsctl_fatal("no port or interface named %s", target);
1590 if (ctx->argc == 3) {
1591 struct vsctl_bridge *bridge;
1593 bridge = find_bridge(&info, ctx->argv[1], true);
1594 if (port->bridge != bridge) {
1595 if (port->bridge->parent == bridge) {
1596 vsctl_fatal("bridge %s does not have a port %s (although "
1597 "its parent bridge %s does)",
1598 ctx->argv[1], ctx->argv[2],
1599 bridge->parent->name);
1601 vsctl_fatal("bridge %s does not have a port %s",
1602 ctx->argv[1], ctx->argv[2]);
1607 del_port(&info, port);
1614 cmd_port_to_br(struct vsctl_context *ctx)
1616 struct vsctl_port *port;
1617 struct vsctl_info info;
1619 get_info(ctx, &info);
1620 port = find_port(&info, ctx->argv[1], true);
1621 ds_put_format(&ctx->output, "%s\n", port->bridge->name);
1626 cmd_br_to_vlan(struct vsctl_context *ctx)
1628 struct vsctl_bridge *bridge;
1629 struct vsctl_info info;
1631 get_info(ctx, &info);
1632 bridge = find_bridge(&info, ctx->argv[1], true);
1633 ds_put_format(&ctx->output, "%d\n", bridge->vlan);
1638 cmd_br_to_parent(struct vsctl_context *ctx)
1640 struct vsctl_bridge *bridge;
1641 struct vsctl_info info;
1643 get_info(ctx, &info);
1644 bridge = find_bridge(&info, ctx->argv[1], true);
1645 if (bridge->parent) {
1646 bridge = bridge->parent;
1648 ds_put_format(&ctx->output, "%s\n", bridge->name);
1653 cmd_list_ifaces(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);
1665 SHASH_FOR_EACH (node, &info.ifaces) {
1666 struct vsctl_iface *iface = node->data;
1668 if (strcmp(iface->iface_cfg->name, br->name)
1669 && br == iface->port->bridge) {
1670 svec_add(&ifaces, iface->iface_cfg->name);
1673 output_sorted(&ifaces, &ctx->output);
1674 svec_destroy(&ifaces);
1680 cmd_iface_to_br(struct vsctl_context *ctx)
1682 struct vsctl_iface *iface;
1683 struct vsctl_info info;
1685 get_info(ctx, &info);
1686 iface = find_iface(&info, ctx->argv[1], true);
1687 ds_put_format(&ctx->output, "%s\n", iface->port->bridge->name);
1692 verify_controllers(struct ovsrec_bridge *bridge)
1697 ovsrec_bridge_verify_controller(bridge);
1698 for (i = 0; i < bridge->n_controller; i++) {
1699 ovsrec_controller_verify_target(bridge->controller[i]);
1705 pre_controller(struct vsctl_context *ctx)
1709 ovsdb_idl_add_column(ctx->idl, &ovsrec_controller_col_target);
1713 cmd_get_controller(struct vsctl_context *ctx)
1715 struct vsctl_info info;
1716 struct vsctl_bridge *br;
1717 struct svec targets;
1720 get_info(ctx, &info);
1721 br = find_bridge(&info, ctx->argv[1], true);
1722 verify_controllers(br->br_cfg);
1724 /* Print the targets in sorted order for reproducibility. */
1725 svec_init(&targets);
1726 for (i = 0; i < br->n_ctrl; i++) {
1727 svec_add(&targets, br->ctrl[i]->target);
1730 svec_sort(&targets);
1731 for (i = 0; i < targets.n; i++) {
1732 ds_put_format(&ctx->output, "%s\n", targets.names[i]);
1734 svec_destroy(&targets);
1740 delete_controllers(struct ovsrec_controller **controllers,
1741 size_t n_controllers)
1745 for (i = 0; i < n_controllers; i++) {
1746 ovsrec_controller_delete(controllers[i]);
1751 cmd_del_controller(struct vsctl_context *ctx)
1753 struct vsctl_info info;
1754 struct vsctl_bridge *br;
1756 get_info(ctx, &info);
1757 br = find_real_bridge(&info, ctx->argv[1], true);
1758 verify_controllers(br->br_cfg);
1761 delete_controllers(br->ctrl, br->n_ctrl);
1762 ovsrec_bridge_set_controller(br->br_cfg, NULL, 0);
1768 static struct ovsrec_controller **
1769 insert_controllers(struct ovsdb_idl_txn *txn, char *targets[], size_t n)
1771 struct ovsrec_controller **controllers;
1774 controllers = xmalloc(n * sizeof *controllers);
1775 for (i = 0; i < n; i++) {
1776 controllers[i] = ovsrec_controller_insert(txn);
1777 ovsrec_controller_set_target(controllers[i], targets[i]);
1784 cmd_set_controller(struct vsctl_context *ctx)
1786 struct vsctl_info info;
1787 struct vsctl_bridge *br;
1788 struct ovsrec_controller **controllers;
1791 get_info(ctx, &info);
1792 br = find_real_bridge(&info, ctx->argv[1], true);
1793 verify_controllers(br->br_cfg);
1795 delete_controllers(br->ctrl, br->n_ctrl);
1798 controllers = insert_controllers(ctx->txn, &ctx->argv[2], n);
1799 ovsrec_bridge_set_controller(br->br_cfg, controllers, n);
1806 cmd_get_fail_mode(struct vsctl_context *ctx)
1808 struct vsctl_info info;
1809 struct vsctl_bridge *br;
1811 get_info(ctx, &info);
1812 br = find_bridge(&info, ctx->argv[1], true);
1815 ovsrec_bridge_verify_fail_mode(br->br_cfg);
1817 if (br->fail_mode && strlen(br->fail_mode)) {
1818 ds_put_format(&ctx->output, "%s\n", br->fail_mode);
1825 cmd_del_fail_mode(struct vsctl_context *ctx)
1827 struct vsctl_info info;
1828 struct vsctl_bridge *br;
1830 get_info(ctx, &info);
1831 br = find_real_bridge(&info, ctx->argv[1], true);
1833 ovsrec_bridge_set_fail_mode(br->br_cfg, NULL);
1839 cmd_set_fail_mode(struct vsctl_context *ctx)
1841 struct vsctl_info info;
1842 struct vsctl_bridge *br;
1843 const char *fail_mode = ctx->argv[2];
1845 get_info(ctx, &info);
1846 br = find_real_bridge(&info, ctx->argv[1], true);
1848 if (strcmp(fail_mode, "standalone") && strcmp(fail_mode, "secure")) {
1849 vsctl_fatal("fail-mode must be \"standalone\" or \"secure\"");
1852 ovsrec_bridge_set_fail_mode(br->br_cfg, fail_mode);
1858 pre_cmd_get_ssl(struct vsctl_context *ctx)
1860 ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_ssl);
1862 ovsdb_idl_add_column(ctx->idl, &ovsrec_ssl_col_private_key);
1863 ovsdb_idl_add_column(ctx->idl, &ovsrec_ssl_col_certificate);
1864 ovsdb_idl_add_column(ctx->idl, &ovsrec_ssl_col_ca_cert);
1865 ovsdb_idl_add_column(ctx->idl, &ovsrec_ssl_col_bootstrap_ca_cert);
1869 cmd_get_ssl(struct vsctl_context *ctx)
1871 struct ovsrec_ssl *ssl = ctx->ovs->ssl;
1873 ovsrec_open_vswitch_verify_ssl(ctx->ovs);
1875 ovsrec_ssl_verify_private_key(ssl);
1876 ovsrec_ssl_verify_certificate(ssl);
1877 ovsrec_ssl_verify_ca_cert(ssl);
1878 ovsrec_ssl_verify_bootstrap_ca_cert(ssl);
1880 ds_put_format(&ctx->output, "Private key: %s\n", ssl->private_key);
1881 ds_put_format(&ctx->output, "Certificate: %s\n", ssl->certificate);
1882 ds_put_format(&ctx->output, "CA Certificate: %s\n", ssl->ca_cert);
1883 ds_put_format(&ctx->output, "Bootstrap: %s\n",
1884 ssl->bootstrap_ca_cert ? "true" : "false");
1889 pre_cmd_del_ssl(struct vsctl_context *ctx)
1891 ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_ssl);
1895 cmd_del_ssl(struct vsctl_context *ctx)
1897 struct ovsrec_ssl *ssl = ctx->ovs->ssl;
1900 ovsrec_open_vswitch_verify_ssl(ctx->ovs);
1901 ovsrec_ssl_delete(ssl);
1902 ovsrec_open_vswitch_set_ssl(ctx->ovs, NULL);
1907 pre_cmd_set_ssl(struct vsctl_context *ctx)
1909 ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_ssl);
1913 cmd_set_ssl(struct vsctl_context *ctx)
1915 bool bootstrap = shash_find(&ctx->options, "--bootstrap");
1916 struct ovsrec_ssl *ssl = ctx->ovs->ssl;
1918 ovsrec_open_vswitch_verify_ssl(ctx->ovs);
1920 ovsrec_ssl_delete(ssl);
1922 ssl = ovsrec_ssl_insert(ctx->txn);
1924 ovsrec_ssl_set_private_key(ssl, ctx->argv[1]);
1925 ovsrec_ssl_set_certificate(ssl, ctx->argv[2]);
1926 ovsrec_ssl_set_ca_cert(ssl, ctx->argv[3]);
1928 ovsrec_ssl_set_bootstrap_ca_cert(ssl, bootstrap);
1930 ovsrec_open_vswitch_set_ssl(ctx->ovs, ssl);
1933 /* Parameter commands. */
1935 struct vsctl_row_id {
1936 const struct ovsdb_idl_table_class *table;
1937 const struct ovsdb_idl_column *name_column;
1938 const struct ovsdb_idl_column *uuid_column;
1941 struct vsctl_table_class {
1942 struct ovsdb_idl_table_class *class;
1943 struct vsctl_row_id row_ids[2];
1946 static const struct vsctl_table_class tables[] = {
1947 {&ovsrec_table_bridge,
1948 {{&ovsrec_table_bridge, &ovsrec_bridge_col_name, NULL},
1949 {NULL, NULL, NULL}}},
1951 {&ovsrec_table_controller,
1952 {{&ovsrec_table_bridge,
1953 &ovsrec_bridge_col_name,
1954 &ovsrec_bridge_col_controller}}},
1956 {&ovsrec_table_interface,
1957 {{&ovsrec_table_interface, &ovsrec_interface_col_name, NULL},
1958 {NULL, NULL, NULL}}},
1960 {&ovsrec_table_mirror,
1961 {{&ovsrec_table_mirror, &ovsrec_mirror_col_name, NULL},
1962 {NULL, NULL, NULL}}},
1964 {&ovsrec_table_manager,
1965 {{&ovsrec_table_manager, &ovsrec_manager_col_target, NULL},
1966 {NULL, NULL, NULL}}},
1968 {&ovsrec_table_netflow,
1969 {{&ovsrec_table_bridge,
1970 &ovsrec_bridge_col_name,
1971 &ovsrec_bridge_col_netflow},
1972 {NULL, NULL, NULL}}},
1974 {&ovsrec_table_open_vswitch,
1975 {{&ovsrec_table_open_vswitch, NULL, NULL},
1976 {NULL, NULL, NULL}}},
1978 {&ovsrec_table_port,
1979 {{&ovsrec_table_port, &ovsrec_port_col_name, NULL},
1980 {NULL, NULL, NULL}}},
1983 {{&ovsrec_table_port, &ovsrec_port_col_name, &ovsrec_port_col_qos},
1984 {NULL, NULL, NULL}}},
1986 {&ovsrec_table_monitor,
1987 {{&ovsrec_table_interface,
1988 &ovsrec_interface_col_name,
1989 &ovsrec_interface_col_monitor},
1990 {NULL, NULL, NULL}}},
1992 {&ovsrec_table_maintenance_point,
1993 {{NULL, NULL, NULL},
1994 {NULL, NULL, NULL}}},
1996 {&ovsrec_table_queue,
1997 {{NULL, NULL, NULL},
1998 {NULL, NULL, NULL}}},
2001 {{&ovsrec_table_open_vswitch, NULL, &ovsrec_open_vswitch_col_ssl}}},
2003 {&ovsrec_table_sflow,
2004 {{&ovsrec_table_bridge,
2005 &ovsrec_bridge_col_name,
2006 &ovsrec_bridge_col_sflow},
2007 {NULL, NULL, NULL}}},
2009 {NULL, {{NULL, NULL, NULL}, {NULL, NULL, NULL}}}
2013 die_if_error(char *error)
2016 vsctl_fatal("%s", error);
2021 to_lower_and_underscores(unsigned c)
2023 return c == '-' ? '_' : tolower(c);
2027 score_partial_match(const char *name, const char *s)
2031 if (!strcmp(name, s)) {
2034 for (score = 0; ; score++, name++, s++) {
2035 if (to_lower_and_underscores(*name) != to_lower_and_underscores(*s)) {
2037 } else if (*name == '\0') {
2038 return UINT_MAX - 1;
2041 return *s == '\0' ? score : 0;
2044 static const struct vsctl_table_class *
2045 get_table(const char *table_name)
2047 const struct vsctl_table_class *table;
2048 const struct vsctl_table_class *best_match = NULL;
2049 unsigned int best_score = 0;
2051 for (table = tables; table->class; table++) {
2052 unsigned int score = score_partial_match(table->class->name,
2054 if (score > best_score) {
2057 } else if (score == best_score) {
2063 } else if (best_score) {
2064 vsctl_fatal("multiple table names match \"%s\"", table_name);
2066 vsctl_fatal("unknown table \"%s\"", table_name);
2070 static const struct vsctl_table_class *
2071 pre_get_table(struct vsctl_context *ctx, const char *table_name)
2073 const struct vsctl_table_class *table_class;
2076 table_class = get_table(table_name);
2077 ovsdb_idl_add_table(ctx->idl, table_class->class);
2079 for (i = 0; i < ARRAY_SIZE(table_class->row_ids); i++) {
2080 const struct vsctl_row_id *id = &table_class->row_ids[i];
2082 ovsdb_idl_add_table(ctx->idl, id->table);
2084 if (id->name_column) {
2085 ovsdb_idl_add_column(ctx->idl, id->name_column);
2087 if (id->uuid_column) {
2088 ovsdb_idl_add_column(ctx->idl, id->uuid_column);
2095 static const struct ovsdb_idl_row *
2096 get_row_by_id(struct vsctl_context *ctx, const struct vsctl_table_class *table,
2097 const struct vsctl_row_id *id, const char *record_id)
2099 const struct ovsdb_idl_row *referrer, *final;
2105 if (!id->name_column) {
2106 if (strcmp(record_id, ".")) {
2109 referrer = ovsdb_idl_first_row(ctx->idl, id->table);
2110 if (!referrer || ovsdb_idl_next_row(referrer)) {
2114 const struct ovsdb_idl_row *row;
2117 for (row = ovsdb_idl_first_row(ctx->idl, id->table);
2119 row = ovsdb_idl_next_row(row))
2121 const struct ovsdb_datum *name;
2123 name = ovsdb_idl_get(row, id->name_column,
2124 OVSDB_TYPE_STRING, OVSDB_TYPE_VOID);
2125 if (name->n == 1 && !strcmp(name->keys[0].string, record_id)) {
2127 vsctl_fatal("multiple rows in %s match \"%s\"",
2128 table->class->name, record_id);
2139 if (id->uuid_column) {
2140 const struct ovsdb_datum *uuid;
2142 ovsdb_idl_txn_verify(referrer, id->uuid_column);
2143 uuid = ovsdb_idl_get(referrer, id->uuid_column,
2144 OVSDB_TYPE_UUID, OVSDB_TYPE_VOID);
2146 final = ovsdb_idl_get_row_for_uuid(ctx->idl, table->class,
2147 &uuid->keys[0].uuid);
2156 static const struct ovsdb_idl_row *
2157 get_row (struct vsctl_context *ctx,
2158 const struct vsctl_table_class *table, const char *record_id)
2160 const struct ovsdb_idl_row *row;
2163 if (uuid_from_string(&uuid, record_id)) {
2164 row = ovsdb_idl_get_row_for_uuid(ctx->idl, table->class, &uuid);
2168 for (i = 0; i < ARRAY_SIZE(table->row_ids); i++) {
2169 row = get_row_by_id(ctx, table, &table->row_ids[i], record_id);
2178 static const struct ovsdb_idl_row *
2179 must_get_row(struct vsctl_context *ctx,
2180 const struct vsctl_table_class *table, const char *record_id)
2182 const struct ovsdb_idl_row *row = get_row(ctx, table, record_id);
2184 vsctl_fatal("no row \"%s\" in table %s",
2185 record_id, table->class->name);
2191 get_column(const struct vsctl_table_class *table, const char *column_name,
2192 const struct ovsdb_idl_column **columnp)
2194 const struct ovsdb_idl_column *best_match = NULL;
2195 unsigned int best_score = 0;
2198 for (i = 0; i < table->class->n_columns; i++) {
2199 const struct ovsdb_idl_column *column = &table->class->columns[i];
2200 unsigned int score = score_partial_match(column->name, column_name);
2201 if (score > best_score) {
2202 best_match = column;
2204 } else if (score == best_score) {
2209 *columnp = best_match;
2212 } else if (best_score) {
2213 return xasprintf("%s contains more than one column whose name "
2214 "matches \"%s\"", table->class->name, column_name);
2216 return xasprintf("%s does not contain a column whose name matches "
2217 "\"%s\"", table->class->name, column_name);
2221 static struct uuid *
2222 create_symbol(struct ovsdb_symbol_table *symtab, const char *id, bool *newp)
2224 struct ovsdb_symbol *symbol;
2227 vsctl_fatal("row id \"%s\" does not begin with \"@\"", id);
2231 *newp = ovsdb_symbol_table_get(symtab, id) == NULL;
2234 symbol = ovsdb_symbol_table_insert(symtab, id);
2236 vsctl_fatal("row id \"%s\" may only be specified on one --id option",
2239 symbol->used = true;
2240 return &symbol->uuid;
2244 pre_get_column(struct vsctl_context *ctx,
2245 const struct vsctl_table_class *table, const char *column_name,
2246 const struct ovsdb_idl_column **columnp)
2248 die_if_error(get_column(table, column_name, columnp));
2249 ovsdb_idl_add_column(ctx->idl, *columnp);
2253 missing_operator_error(const char *arg, const char **allowed_operators,
2259 ds_put_format(&s, "%s: argument does not end in ", arg);
2260 ds_put_format(&s, "\"%s\"", allowed_operators[0]);
2261 if (n_allowed == 2) {
2262 ds_put_format(&s, " or \"%s\"", allowed_operators[1]);
2263 } else if (n_allowed > 2) {
2266 for (i = 1; i < n_allowed - 1; i++) {
2267 ds_put_format(&s, ", \"%s\"", allowed_operators[i]);
2269 ds_put_format(&s, ", or \"%s\"", allowed_operators[i]);
2271 ds_put_format(&s, " followed by a value.");
2273 return ds_steal_cstr(&s);
2276 /* Breaks 'arg' apart into a number of fields in the following order:
2278 * - If 'columnp' is nonnull, the name of a column in 'table'. The column
2279 * is stored into '*columnp'. The column name may be abbreviated.
2281 * - If 'keyp' is nonnull, optionally a key string. (If both 'columnp'
2282 * and 'keyp' are nonnull, then the column and key names are expected to
2283 * be separated by ':'). The key is stored as a malloc()'d string into
2284 * '*keyp', or NULL if no key is present in 'arg'.
2286 * - If 'valuep' is nonnull, an operator followed by a value string. The
2287 * allowed operators are the 'n_allowed' string in 'allowed_operators',
2288 * or just "=" if 'n_allowed' is 0. If 'operatorp' is nonnull, then the
2289 * operator is stored into '*operatorp' (one of the pointers from
2290 * 'allowed_operators' is stored; nothing is malloc()'d). The value is
2291 * stored as a malloc()'d string into '*valuep', or NULL if no value is
2294 * At least 'columnp' or 'keyp' must be nonnull.
2296 * On success, returns NULL. On failure, returned a malloc()'d string error
2297 * message and stores NULL into all of the nonnull output arguments. */
2298 static char * WARN_UNUSED_RESULT
2299 parse_column_key_value(const char *arg,
2300 const struct vsctl_table_class *table,
2301 const struct ovsdb_idl_column **columnp, char **keyp,
2302 const char **operatorp,
2303 const char **allowed_operators, size_t n_allowed,
2306 const char *p = arg;
2309 assert(columnp || keyp);
2310 assert(!(operatorp && !valuep));
2318 /* Parse column name. */
2322 error = ovsdb_token_parse(&p, &column_name);
2326 if (column_name[0] == '\0') {
2328 error = xasprintf("%s: missing column name", arg);
2331 error = get_column(table, column_name, columnp);
2338 /* Parse key string. */
2339 if (*p == ':' || !columnp) {
2343 error = xasprintf("%s: key not accepted here", arg);
2346 error = ovsdb_token_parse(&p, keyp);
2354 /* Parse value string. */
2360 if (!allowed_operators) {
2361 static const char *equals = "=";
2362 allowed_operators = =
2368 for (i = 0; i < n_allowed; i++) {
2369 const char *op = allowed_operators[i];
2370 size_t op_len = strlen(op);
2372 if (op_len > best_len && !strncmp(op, p, op_len) && p[op_len]) {
2378 error = missing_operator_error(arg, allowed_operators, n_allowed);
2385 *valuep = xstrdup(p + best_len);
2391 error = xasprintf("%s: trailing garbage \"%s\" in argument",
2417 pre_parse_column_key_value(struct vsctl_context *ctx,
2419 const struct vsctl_table_class *table)
2421 const struct ovsdb_idl_column *column;
2426 die_if_error(ovsdb_token_parse(&p, &column_name));
2427 if (column_name[0] == '\0') {
2428 vsctl_fatal("%s: missing column name", arg);
2431 pre_get_column(ctx, table, column_name, &column);
2436 pre_cmd_get(struct vsctl_context *ctx)
2438 const char *table_name = ctx->argv[1];
2439 const struct vsctl_table_class *table;
2442 table = pre_get_table(ctx, table_name);
2443 for (i = 3; i < ctx->argc; i++) {
2444 if (!strcasecmp(ctx->argv[i], "_uuid")
2445 || !strcasecmp(ctx->argv[i], "-uuid")) {
2449 pre_parse_column_key_value(ctx, ctx->argv[i], table);
2454 cmd_get(struct vsctl_context *ctx)
2456 const char *id = shash_find_data(&ctx->options, "--id");
2457 bool if_exists = shash_find(&ctx->options, "--if-exists");
2458 const char *table_name = ctx->argv[1];
2459 const char *record_id = ctx->argv[2];
2460 const struct vsctl_table_class *table;
2461 const struct ovsdb_idl_row *row;
2462 struct ds *out = &ctx->output;
2465 table = get_table(table_name);
2466 row = must_get_row(ctx, table, record_id);
2470 *create_symbol(ctx->symtab, id, &new) = row->uuid;
2472 vsctl_fatal("row id \"%s\" specified on \"get\" command was used "
2473 "before it was defined", id);
2476 for (i = 3; i < ctx->argc; i++) {
2477 const struct ovsdb_idl_column *column;
2478 const struct ovsdb_datum *datum;
2481 /* Special case for obtaining the UUID of a row. We can't just do this
2482 * through parse_column_key_value() below since it returns a "struct
2483 * ovsdb_idl_column" and the UUID column doesn't have one. */
2484 if (!strcasecmp(ctx->argv[i], "_uuid")
2485 || !strcasecmp(ctx->argv[i], "-uuid")) {
2486 ds_put_format(out, UUID_FMT"\n", UUID_ARGS(&row->uuid));
2490 die_if_error(parse_column_key_value(ctx->argv[i], table,
2491 &column, &key_string,
2492 NULL, NULL, 0, NULL));
2494 ovsdb_idl_txn_verify(row, column);
2495 datum = ovsdb_idl_read(row, column);
2497 union ovsdb_atom key;
2500 if (column->type.value.type == OVSDB_TYPE_VOID) {
2501 vsctl_fatal("cannot specify key to get for non-map column %s",
2505 die_if_error(ovsdb_atom_from_string(&key,
2507 key_string, ctx->symtab));
2509 idx = ovsdb_datum_find_key(datum, &key,
2510 column->type.key.type);
2511 if (idx == UINT_MAX) {
2513 vsctl_fatal("no key \"%s\" in %s record \"%s\" column %s",
2514 key_string, table->class->name, record_id,
2518 ovsdb_atom_to_string(&datum->values[idx],
2519 column->type.value.type, out);
2521 ovsdb_atom_destroy(&key, column->type.key.type);
2523 ovsdb_datum_to_string(datum, &column->type, out);
2525 ds_put_char(out, '\n');
2532 pre_cmd_list(struct vsctl_context *ctx)
2534 const char *table_name = ctx->argv[1];
2535 const struct vsctl_table_class *table;
2538 table = pre_get_table(ctx, table_name);
2539 for (i = 0; i < table->class->n_columns; i++) {
2540 ovsdb_idl_add_column(ctx->idl, &table->class->columns[i]);
2545 list_record(const struct vsctl_table_class *table,
2546 const struct ovsdb_idl_row *row, struct ds *out)
2550 ds_put_format(out, "%-20s: "UUID_FMT"\n", "_uuid",
2551 UUID_ARGS(&row->uuid));
2552 for (i = 0; i < table->class->n_columns; i++) {
2553 const struct ovsdb_idl_column *column = &table->class->columns[i];
2554 const struct ovsdb_datum *datum;
2556 datum = ovsdb_idl_read(row, column);
2558 ds_put_format(out, "%-20s: ", column->name);
2559 ovsdb_datum_to_string(datum, &column->type, out);
2560 ds_put_char(out, '\n');
2565 cmd_list(struct vsctl_context *ctx)
2567 const char *table_name = ctx->argv[1];
2568 const struct vsctl_table_class *table;
2569 struct ds *out = &ctx->output;
2572 table = get_table(table_name);
2573 if (ctx->argc > 2) {
2574 for (i = 2; i < ctx->argc; i++) {
2576 ds_put_char(out, '\n');
2578 list_record(table, must_get_row(ctx, table, ctx->argv[i]), out);
2581 const struct ovsdb_idl_row *row;
2584 for (row = ovsdb_idl_first_row(ctx->idl, table->class), first = true;
2586 row = ovsdb_idl_next_row(row), first = false) {
2588 ds_put_char(out, '\n');
2590 list_record(table, row, out);
2596 pre_cmd_set(struct vsctl_context *ctx)
2598 const char *table_name = ctx->argv[1];
2599 const struct vsctl_table_class *table;
2602 table = pre_get_table(ctx, table_name);
2603 for (i = 3; i < ctx->argc; i++) {
2604 pre_parse_column_key_value(ctx, ctx->argv[i], table);
2609 set_column(const struct vsctl_table_class *table,
2610 const struct ovsdb_idl_row *row, const char *arg,
2611 struct ovsdb_symbol_table *symtab)
2613 const struct ovsdb_idl_column *column;
2614 char *key_string, *value_string;
2617 error = parse_column_key_value(arg, table, &column, &key_string,
2618 NULL, NULL, 0, &value_string);
2619 die_if_error(error);
2620 if (!value_string) {
2621 vsctl_fatal("%s: missing value", arg);
2625 union ovsdb_atom key, value;
2626 struct ovsdb_datum datum;
2628 if (column->type.value.type == OVSDB_TYPE_VOID) {
2629 vsctl_fatal("cannot specify key to set for non-map column %s",
2633 die_if_error(ovsdb_atom_from_string(&key, &column->type.key,
2634 key_string, symtab));
2635 die_if_error(ovsdb_atom_from_string(&value, &column->type.value,
2636 value_string, symtab));
2638 ovsdb_datum_init_empty(&datum);
2639 ovsdb_datum_add_unsafe(&datum, &key, &value, &column->type);
2641 ovsdb_atom_destroy(&key, column->type.key.type);
2642 ovsdb_atom_destroy(&value, column->type.value.type);
2644 ovsdb_datum_union(&datum, ovsdb_idl_read(row, column),
2645 &column->type, false);
2646 ovsdb_idl_txn_write(row, column, &datum);
2648 struct ovsdb_datum datum;
2650 die_if_error(ovsdb_datum_from_string(&datum, &column->type,
2651 value_string, symtab));
2652 ovsdb_idl_txn_write(row, column, &datum);
2660 cmd_set(struct vsctl_context *ctx)
2662 const char *table_name = ctx->argv[1];
2663 const char *record_id = ctx->argv[2];
2664 const struct vsctl_table_class *table;
2665 const struct ovsdb_idl_row *row;
2668 table = get_table(table_name);
2669 row = must_get_row(ctx, table, record_id);
2670 for (i = 3; i < ctx->argc; i++) {
2671 set_column(table, row, ctx->argv[i], ctx->symtab);
2676 pre_cmd_add(struct vsctl_context *ctx)
2678 const char *table_name = ctx->argv[1];
2679 const char *column_name = ctx->argv[3];
2680 const struct vsctl_table_class *table;
2681 const struct ovsdb_idl_column *column;
2683 table = pre_get_table(ctx, table_name);
2684 pre_get_column(ctx, table, column_name, &column);
2688 cmd_add(struct vsctl_context *ctx)
2690 const char *table_name = ctx->argv[1];
2691 const char *record_id = ctx->argv[2];
2692 const char *column_name = ctx->argv[3];
2693 const struct vsctl_table_class *table;
2694 const struct ovsdb_idl_column *column;
2695 const struct ovsdb_idl_row *row;
2696 const struct ovsdb_type *type;
2697 struct ovsdb_datum old;
2700 table = get_table(table_name);
2701 row = must_get_row(ctx, table, record_id);
2702 die_if_error(get_column(table, column_name, &column));
2704 type = &column->type;
2705 ovsdb_datum_clone(&old, ovsdb_idl_read(row, column), &column->type);
2706 for (i = 4; i < ctx->argc; i++) {
2707 struct ovsdb_type add_type;
2708 struct ovsdb_datum add;
2712 add_type.n_max = UINT_MAX;
2713 die_if_error(ovsdb_datum_from_string(&add, &add_type, ctx->argv[i],
2715 ovsdb_datum_union(&old, &add, type, false);
2716 ovsdb_datum_destroy(&add, type);
2718 if (old.n > type->n_max) {
2719 vsctl_fatal("\"add\" operation would put %u %s in column %s of "
2720 "table %s but the maximum number is %u",
2722 type->value.type == OVSDB_TYPE_VOID ? "values" : "pairs",
2723 column->name, table->class->name, type->n_max);
2725 ovsdb_idl_txn_verify(row, column);
2726 ovsdb_idl_txn_write(row, column, &old);
2730 pre_cmd_remove(struct vsctl_context *ctx)
2732 const char *table_name = ctx->argv[1];
2733 const char *column_name = ctx->argv[3];
2734 const struct vsctl_table_class *table;
2735 const struct ovsdb_idl_column *column;
2737 table = pre_get_table(ctx, table_name);
2738 pre_get_column(ctx, table, column_name, &column);
2742 cmd_remove(struct vsctl_context *ctx)
2744 const char *table_name = ctx->argv[1];
2745 const char *record_id = ctx->argv[2];
2746 const char *column_name = ctx->argv[3];
2747 const struct vsctl_table_class *table;
2748 const struct ovsdb_idl_column *column;
2749 const struct ovsdb_idl_row *row;
2750 const struct ovsdb_type *type;
2751 struct ovsdb_datum old;
2754 table = get_table(table_name);
2755 row = must_get_row(ctx, table, record_id);
2756 die_if_error(get_column(table, column_name, &column));
2758 type = &column->type;
2759 ovsdb_datum_clone(&old, ovsdb_idl_read(row, column), &column->type);
2760 for (i = 4; i < ctx->argc; i++) {
2761 struct ovsdb_type rm_type;
2762 struct ovsdb_datum rm;
2767 rm_type.n_max = UINT_MAX;
2768 error = ovsdb_datum_from_string(&rm, &rm_type,
2769 ctx->argv[i], ctx->symtab);
2770 if (error && ovsdb_type_is_map(&rm_type)) {
2772 rm_type.value.type = OVSDB_TYPE_VOID;
2773 die_if_error(ovsdb_datum_from_string(&rm, &rm_type,
2774 ctx->argv[i], ctx->symtab));
2776 ovsdb_datum_subtract(&old, type, &rm, &rm_type);
2777 ovsdb_datum_destroy(&rm, &rm_type);
2779 if (old.n < type->n_min) {
2780 vsctl_fatal("\"remove\" operation would put %u %s in column %s of "
2781 "table %s but the minimum number is %u",
2783 type->value.type == OVSDB_TYPE_VOID ? "values" : "pairs",
2784 column->name, table->class->name, type->n_min);
2786 ovsdb_idl_txn_verify(row, column);
2787 ovsdb_idl_txn_write(row, column, &old);
2791 pre_cmd_clear(struct vsctl_context *ctx)
2793 const char *table_name = ctx->argv[1];
2794 const struct vsctl_table_class *table;
2797 table = pre_get_table(ctx, table_name);
2798 for (i = 3; i < ctx->argc; i++) {
2799 const struct ovsdb_idl_column *column;
2801 pre_get_column(ctx, table, ctx->argv[i], &column);
2806 cmd_clear(struct vsctl_context *ctx)
2808 const char *table_name = ctx->argv[1];
2809 const char *record_id = ctx->argv[2];
2810 const struct vsctl_table_class *table;
2811 const struct ovsdb_idl_row *row;
2814 table = get_table(table_name);
2815 row = must_get_row(ctx, table, record_id);
2816 for (i = 3; i < ctx->argc; i++) {
2817 const struct ovsdb_idl_column *column;
2818 const struct ovsdb_type *type;
2819 struct ovsdb_datum datum;
2821 die_if_error(get_column(table, ctx->argv[i], &column));
2823 type = &column->type;
2824 if (type->n_min > 0) {
2825 vsctl_fatal("\"clear\" operation cannot be applied to column %s "
2826 "of table %s, which is not allowed to be empty",
2827 column->name, table->class->name);
2830 ovsdb_datum_init_empty(&datum);
2831 ovsdb_idl_txn_write(row, column, &datum);
2836 cmd_create(struct vsctl_context *ctx)
2838 const char *id = shash_find_data(&ctx->options, "--id");
2839 const char *table_name = ctx->argv[1];
2840 const struct vsctl_table_class *table;
2841 const struct ovsdb_idl_row *row;
2842 const struct uuid *uuid;
2845 uuid = id ? create_symbol(ctx->symtab, id, NULL) : NULL;
2847 table = get_table(table_name);
2848 row = ovsdb_idl_txn_insert(ctx->txn, table->class, uuid);
2849 for (i = 2; i < ctx->argc; i++) {
2850 set_column(table, row, ctx->argv[i], ctx->symtab);
2852 ds_put_format(&ctx->output, UUID_FMT, UUID_ARGS(&row->uuid));
2855 /* This function may be used as the 'postprocess' function for commands that
2856 * insert new rows into the database. It expects that the command's 'run'
2857 * function prints the UUID reported by ovsdb_idl_txn_insert() as the command's
2858 * sole output. It replaces that output by the row's permanent UUID assigned
2859 * by the database server and appends a new-line.
2861 * Currently we use this only for "create", because the higher-level commands
2862 * are supposed to be independent of the actual structure of the vswitch
2865 post_create(struct vsctl_context *ctx)
2867 const struct uuid *real;
2870 uuid_from_string(&dummy, ds_cstr(&ctx->output));
2871 real = ovsdb_idl_txn_get_insert_uuid(ctx->txn, &dummy);
2873 ds_clear(&ctx->output);
2874 ds_put_format(&ctx->output, UUID_FMT, UUID_ARGS(real));
2876 ds_put_char(&ctx->output, '\n');
2880 pre_cmd_destroy(struct vsctl_context *ctx)
2882 const char *table_name = ctx->argv[1];
2884 pre_get_table(ctx, table_name);
2888 cmd_destroy(struct vsctl_context *ctx)
2890 bool must_exist = !shash_find(&ctx->options, "--if-exists");
2891 const char *table_name = ctx->argv[1];
2892 const struct vsctl_table_class *table;
2895 table = get_table(table_name);
2896 for (i = 2; i < ctx->argc; i++) {
2897 const struct ovsdb_idl_row *row;
2899 row = (must_exist ? must_get_row : get_row)(ctx, table, ctx->argv[i]);
2901 ovsdb_idl_txn_delete(row);
2907 is_condition_satified(const struct vsctl_table_class *table,
2908 const struct ovsdb_idl_row *row, const char *arg,
2909 struct ovsdb_symbol_table *symtab)
2911 static const char *operators[] = {
2912 "=", "!=", "<", ">", "<=", ">="
2915 const struct ovsdb_idl_column *column;
2916 const struct ovsdb_datum *have_datum;
2917 char *key_string, *value_string;
2918 const char *operator;
2923 error = parse_column_key_value(arg, table, &column, &key_string,
2924 &operator, operators, ARRAY_SIZE(operators),
2926 die_if_error(error);
2927 if (!value_string) {
2928 vsctl_fatal("%s: missing value", arg);
2931 have_datum = ovsdb_idl_read(row, column);
2933 union ovsdb_atom want_key, want_value;
2935 if (column->type.value.type == OVSDB_TYPE_VOID) {
2936 vsctl_fatal("cannot specify key to check for non-map column %s",
2940 die_if_error(ovsdb_atom_from_string(&want_key, &column->type.key,
2941 key_string, symtab));
2942 die_if_error(ovsdb_atom_from_string(&want_value, &column->type.value,
2943 value_string, symtab));
2945 idx = ovsdb_datum_find_key(have_datum,
2946 &want_key, column->type.key.type);
2947 if (idx != UINT_MAX) {
2948 cmp = ovsdb_atom_compare_3way(&have_datum->values[idx],
2950 column->type.value.type);
2953 ovsdb_atom_destroy(&want_key, column->type.key.type);
2954 ovsdb_atom_destroy(&want_value, column->type.value.type);
2956 struct ovsdb_datum want_datum;
2958 die_if_error(ovsdb_datum_from_string(&want_datum, &column->type,
2959 value_string, symtab));
2961 cmp = ovsdb_datum_compare_3way(have_datum, &want_datum,
2963 ovsdb_datum_destroy(&want_datum, &column->type);
2969 return (idx == UINT_MAX ? false
2970 : !strcmp(operator, "=") ? cmp == 0
2971 : !strcmp(operator, "!=") ? cmp != 0
2972 : !strcmp(operator, "<") ? cmp < 0
2973 : !strcmp(operator, ">") ? cmp > 0
2974 : !strcmp(operator, "<=") ? cmp <= 0
2975 : !strcmp(operator, ">=") ? cmp >= 0
2980 pre_cmd_wait_until(struct vsctl_context *ctx)
2982 const char *table_name = ctx->argv[1];
2983 const struct vsctl_table_class *table;
2986 table = pre_get_table(ctx, table_name);
2988 for (i = 3; i < ctx->argc; i++) {
2989 pre_parse_column_key_value(ctx, ctx->argv[i], table);
2994 cmd_wait_until(struct vsctl_context *ctx)
2996 const char *table_name = ctx->argv[1];
2997 const char *record_id = ctx->argv[2];
2998 const struct vsctl_table_class *table;
2999 const struct ovsdb_idl_row *row;
3002 table = get_table(table_name);
3004 row = get_row(ctx, table, record_id);
3006 ctx->try_again = true;
3010 for (i = 3; i < ctx->argc; i++) {
3011 if (!is_condition_satified(table, row, ctx->argv[i], ctx->symtab)) {
3012 ctx->try_again = true;
3018 static struct json *
3019 where_uuid_equals(const struct uuid *uuid)
3022 json_array_create_1(
3023 json_array_create_3(
3024 json_string_create("_uuid"),
3025 json_string_create("=="),
3026 json_array_create_2(
3027 json_string_create("uuid"),
3028 json_string_create_nocopy(
3029 xasprintf(UUID_FMT, UUID_ARGS(uuid))))));
3033 vsctl_context_init(struct vsctl_context *ctx, struct vsctl_command *command,
3034 struct ovsdb_idl *idl, struct ovsdb_idl_txn *txn,
3035 const struct ovsrec_open_vswitch *ovs,
3036 struct ovsdb_symbol_table *symtab)
3038 ctx->argc = command->argc;
3039 ctx->argv = command->argv;
3040 ctx->options = command->options;
3042 ds_swap(&ctx->output, &command->output);
3046 ctx->symtab = symtab;
3047 ctx->verified_ports = false;
3049 ctx->try_again = false;
3053 vsctl_context_done(struct vsctl_context *ctx, struct vsctl_command *command)
3055 ds_swap(&ctx->output, &command->output);
3059 run_prerequisites(struct vsctl_command *commands, size_t n_commands,
3060 struct ovsdb_idl *idl)
3062 struct vsctl_command *c;
3064 ovsdb_idl_add_table(idl, &ovsrec_table_open_vswitch);
3065 if (wait_for_reload) {
3066 ovsdb_idl_add_column(idl, &ovsrec_open_vswitch_col_cur_cfg);
3068 for (c = commands; c < &commands[n_commands]; c++) {
3069 if (c->syntax->prerequisites) {
3070 struct vsctl_context ctx;
3072 ds_init(&c->output);
3074 vsctl_context_init(&ctx, c, idl, NULL, NULL, NULL);
3075 (c->syntax->prerequisites)(&ctx);
3076 vsctl_context_done(&ctx, c);
3078 assert(!c->output.string);
3084 do_vsctl(const char *args, struct vsctl_command *commands, size_t n_commands,
3085 struct ovsdb_idl *idl)
3087 struct ovsdb_idl_txn *txn;
3088 const struct ovsrec_open_vswitch *ovs;
3089 enum ovsdb_idl_txn_status status;
3090 struct ovsdb_symbol_table *symtab;
3092 struct vsctl_command *c;
3093 int64_t next_cfg = 0;
3096 txn = the_idl_txn = ovsdb_idl_txn_create(idl);
3098 ovsdb_idl_txn_set_dry_run(txn);
3101 ovsdb_idl_txn_add_comment(txn, "ovs-vsctl: %s", args);
3103 ovs = ovsrec_open_vswitch_first(idl);
3105 /* XXX add verification that table is empty */
3106 ovs = ovsrec_open_vswitch_insert(txn);
3109 if (wait_for_reload) {
3110 struct json *where = where_uuid_equals(&ovs->header_.uuid);
3111 ovsdb_idl_txn_increment(txn, "Open_vSwitch", "next_cfg", where);
3112 json_destroy(where);
3115 symtab = ovsdb_symbol_table_create();
3116 for (c = commands; c < &commands[n_commands]; c++) {
3117 ds_init(&c->output);
3119 for (c = commands; c < &commands[n_commands]; c++) {
3120 struct vsctl_context ctx;
3122 vsctl_context_init(&ctx, c, idl, txn, ovs, symtab);
3123 (c->syntax->run)(&ctx);
3124 vsctl_context_done(&ctx, c);
3126 if (ctx.try_again) {
3131 status = ovsdb_idl_txn_commit_block(txn);
3132 if (wait_for_reload && status == TXN_SUCCESS) {
3133 next_cfg = ovsdb_idl_txn_get_increment_new_value(txn);
3135 if (status == TXN_UNCHANGED || status == TXN_SUCCESS) {
3136 for (c = commands; c < &commands[n_commands]; c++) {
3137 if (c->syntax->postprocess) {
3138 struct vsctl_context ctx;
3140 vsctl_context_init(&ctx, c, idl, txn, ovs, symtab);
3141 (c->syntax->postprocess)(&ctx);
3142 vsctl_context_done(&ctx, c);
3146 error = xstrdup(ovsdb_idl_txn_get_error(txn));
3147 ovsdb_idl_txn_destroy(txn);
3148 txn = the_idl_txn = NULL;
3150 unused = ovsdb_symbol_table_find_unused(symtab);
3152 vsctl_fatal("row id \"%s\" is referenced but never created (e.g. "
3153 "with \"-- --id=%s create ...\")", unused, unused);
3157 case TXN_INCOMPLETE:
3161 /* Should not happen--we never call ovsdb_idl_txn_abort(). */
3162 vsctl_fatal("transaction aborted");
3172 vsctl_fatal("transaction error: %s", error);
3179 ovsdb_symbol_table_destroy(symtab);
3181 for (c = commands; c < &commands[n_commands]; c++) {
3182 struct ds *ds = &c->output;
3188 for (j = 0; j < ds->length; j++) {
3189 int ch = ds->string[j];
3192 fputs("\\n", stdout);
3196 fputs("\\\\", stdout);
3205 fputs(ds_cstr(ds), stdout);
3207 ds_destroy(&c->output);
3209 smap_destroy(&c->options);
3213 if (wait_for_reload && status != TXN_UNCHANGED) {
3216 OVSREC_OPEN_VSWITCH_FOR_EACH (ovs, idl) {
3217 if (ovs->cur_cfg >= next_cfg) {
3221 ovsdb_idl_wait(idl);
3226 ovsdb_idl_destroy(idl);
3231 /* Our transaction needs to be rerun, or a prerequisite was not met. Free
3232 * resources and return so that the caller can try again. */
3234 ovsdb_idl_txn_abort(txn);
3235 ovsdb_idl_txn_destroy(txn);
3237 ovsdb_symbol_table_destroy(symtab);
3238 for (c = commands; c < &commands[n_commands]; c++) {
3239 ds_destroy(&c->output);
3244 static const struct vsctl_command_syntax all_commands[] = {
3245 /* Open vSwitch commands. */
3246 {"init", 0, 0, NULL, cmd_init, NULL, "", RW},
3248 /* Bridge commands. */
3249 {"add-br", 1, 3, pre_get_info, cmd_add_br, NULL, "--may-exist", RW},
3250 {"del-br", 1, 1, pre_get_info, cmd_del_br, NULL, "--if-exists", RW},
3251 {"list-br", 0, 0, pre_get_info, cmd_list_br, NULL, "", RO},
3252 {"br-exists", 1, 1, pre_get_info, cmd_br_exists, NULL, "", RO},
3253 {"br-to-vlan", 1, 1, pre_get_info, cmd_br_to_vlan, NULL, "", RO},
3254 {"br-to-parent", 1, 1, pre_get_info, cmd_br_to_parent, NULL, "", RO},
3255 {"br-set-external-id", 2, 3, pre_cmd_br_set_external_id,
3256 cmd_br_set_external_id, NULL, "", RW},
3257 {"br-get-external-id", 1, 2, pre_cmd_br_get_external_id,
3258 cmd_br_get_external_id, NULL, "", RO},
3260 /* Port commands. */
3261 {"list-ports", 1, 1, pre_get_info, cmd_list_ports, NULL, "", RO},
3262 {"add-port", 2, INT_MAX, pre_get_info, cmd_add_port, NULL, "--may-exist",
3264 {"add-bond", 4, INT_MAX, pre_get_info, cmd_add_bond, NULL,
3265 "--may-exist,--fake-iface", RW},
3266 {"del-port", 1, 2, pre_get_info, cmd_del_port, NULL,
3267 "--if-exists,--with-iface", RW},
3268 {"port-to-br", 1, 1, pre_get_info, cmd_port_to_br, NULL, "", RO},
3270 /* Interface commands. */
3271 {"list-ifaces", 1, 1, pre_get_info, cmd_list_ifaces, NULL, "", RO},
3272 {"iface-to-br", 1, 1, pre_get_info, cmd_iface_to_br, NULL, "", RO},
3274 /* Controller commands. */
3275 {"get-controller", 1, 1, pre_controller, cmd_get_controller, NULL, "", RO},
3276 {"del-controller", 1, 1, pre_controller, cmd_del_controller, NULL, "", RW},
3277 {"set-controller", 1, INT_MAX, pre_controller, cmd_set_controller, NULL,
3279 {"get-fail-mode", 1, 1, pre_get_info, cmd_get_fail_mode, NULL, "", RO},
3280 {"del-fail-mode", 1, 1, pre_get_info, cmd_del_fail_mode, NULL, "", RW},
3281 {"set-fail-mode", 2, 2, pre_get_info, cmd_set_fail_mode, NULL, "", RW},
3284 {"get-ssl", 0, 0, pre_cmd_get_ssl, cmd_get_ssl, NULL, "", RO},
3285 {"del-ssl", 0, 0, pre_cmd_del_ssl, cmd_del_ssl, NULL, "", RW},
3286 {"set-ssl", 3, 3, pre_cmd_set_ssl, cmd_set_ssl, NULL, "--bootstrap", RW},
3288 /* Switch commands. */
3289 {"emer-reset", 0, 0, pre_cmd_emer_reset, cmd_emer_reset, NULL, "", RW},
3291 /* Parameter commands. */
3292 {"get", 2, INT_MAX, pre_cmd_get, cmd_get, NULL, "--if-exists,--id=", RO},
3293 {"list", 1, INT_MAX, pre_cmd_list, cmd_list, NULL, "", RO},
3294 {"set", 3, INT_MAX, pre_cmd_set, cmd_set, NULL, "", RW},
3295 {"add", 4, INT_MAX, pre_cmd_add, cmd_add, NULL, "", RW},
3296 {"remove", 4, INT_MAX, pre_cmd_remove, cmd_remove, NULL, "", RW},
3297 {"clear", 3, INT_MAX, pre_cmd_clear, cmd_clear, NULL, "", RW},
3298 {"create", 2, INT_MAX, NULL, cmd_create, post_create, "--id=", RW},
3299 {"destroy", 1, INT_MAX, pre_cmd_destroy, cmd_destroy, NULL, "--if-exists",
3301 {"wait-until", 2, INT_MAX, pre_cmd_wait_until, cmd_wait_until, NULL, "",
3304 {NULL, 0, 0, NULL, NULL, NULL, NULL, RO},