diff options
Diffstat (limited to 'contrib/pgxc_ctl/gtm_cmd.c')
| -rw-r--r-- | contrib/pgxc_ctl/gtm_cmd.c | 127 |
1 files changed, 122 insertions, 5 deletions
diff --git a/contrib/pgxc_ctl/gtm_cmd.c b/contrib/pgxc_ctl/gtm_cmd.c index 69faf037a6..5f92fb7965 100644 --- a/contrib/pgxc_ctl/gtm_cmd.c +++ b/contrib/pgxc_ctl/gtm_cmd.c @@ -47,13 +47,12 @@ static char date[MAXTOKEN+1]; /* * Init gtm master ----------------------------------------------------------------- */ -cmd_t *prepare_initGtmMaster(void) +cmd_t *prepare_initGtmMaster(bool stop) { cmd_t *cmdInitGtmMaster, *cmdGtmConf, *cmdGxid; char date[MAXTOKEN+1]; FILE *f; char **fileList = NULL; - int result; char remoteDirCheck[MAXPATH * 2 + 128]; remoteDirCheck[0] = '\0'; @@ -111,13 +110,19 @@ cmd_t *prepare_initGtmMaster(void) /* Setup GTM with appropriate GXID value */ appendCmdEl(cmdGtmConf, (cmdGxid = initCmd(sval(VAR_gtmMasterServer)))); - snprintf(newCommand(cmdGxid), MAXLINE, + if (stop) + snprintf(newCommand(cmdGxid), MAXLINE, "(gtm -x 2000 -D %s &); sleep 1; gtm_ctl stop -Z gtm -D %s", sval(VAR_gtmMasterDir), sval(VAR_gtmMasterDir)); + else + snprintf(newCommand(cmdGxid), MAXLINE, + "(gtm -x 2000 -D %s &); sleep 1;", + sval(VAR_gtmMasterDir)); return cmdInitGtmMaster; } -int init_gtm_master(void) + +int init_gtm_master(bool stop) { int rc; cmdList_t *cmdList; @@ -128,7 +133,7 @@ int init_gtm_master(void) /* Kill current gtm, build work directory and run initgtm */ - if ((cmd = prepare_initGtmMaster())) + if ((cmd = prepare_initGtmMaster(stop))) addCmd(cmdList, cmd); rc = doCmdList(cmdList); @@ -138,6 +143,67 @@ int init_gtm_master(void) } /* + * Add gtm master + * + */ +int add_gtmMaster(char *name, char *host, int port, char *dir) +{ + char port_s[MAXTOKEN+1]; + char date[MAXTOKEN+1]; + FILE *f; + int rc; + + if (is_none(name)) + { + elog(ERROR, "ERROR: Cannot add gtm master with the name \"none\".\n"); + return 1; + } + if (is_none(host)) + { + elog(ERROR, "ERROR: Cannot add gtm master with the name \"none\".\n"); + return 1; + } + if (is_none(dir)) + { + elog(ERROR, "ERROR: Cannot add gtm master with the directory \"none\".\n"); + return 1; + } + if (checkSpecificResourceConflict(name, host, port, dir, TRUE)) + { + elog(ERROR, "ERROR: New specified name:%s, host:%s, port:%d and dir:\"%s\" conflicts with existing node.\n", + name, host, port, dir); + return 1; + } + assign_sval(VAR_gtmName, Strdup(name)); + assign_sval(VAR_gtmMasterServer, Strdup(host)); + snprintf(port_s, MAXTOKEN, "%d", port); + assign_sval(VAR_gtmMasterPort, Strdup(port_s)); + assign_sval(VAR_gtmMasterDir, Strdup(dir)); + makeServerList(); + if ((f = fopen(pgxc_ctl_config_path, "a")) == NULL) + { + /* Should it be panic? */ + elog(ERROR, "ERROR: cannot open configuration file \"%s\", %s\n", pgxc_ctl_config_path, strerror(errno)); + return 1; + } + fprintf(f, + "#===================================================\n" + "# pgxc configuration file updated due to GTM master addition\n" + "# %s\n", + timeStampString(date, MAXTOKEN+1)); + fprintSval(f, VAR_gtmName); + fprintSval(f, VAR_gtmMasterServer); + fprintSval(f, VAR_gtmMasterPort); + fprintSval(f, VAR_gtmMasterDir); + fprintf(f, "%s","#----End of reconfiguration -------------------------\n"); + fclose(f); + backup_configuration(); + if ((rc = init_gtm_master(false)) != 0) + return rc; + return(start_gtm_master()); +} + +/* * Add gtm slave: to be used after all the configuration is done. * * This function only maintains internal configuration, updte configuration file, @@ -208,6 +274,57 @@ int add_gtmSlave(char *name, char *host, int port, char *dir) return(start_gtm_slave()); } +int remove_gtmMaster(bool clean_opt) +{ + FILE *f; + + /* Check if gtm_slave is configured */ + if (!sval(VAR_gtmMasterServer) || is_none(sval(VAR_gtmMasterServer))) + { + elog(ERROR, "ERROR: GTM master is not configured.\n"); + return 1; + } + + /* Check if gtm_master is running and stop if yes */ + if (do_gtm_ping(sval(VAR_gtmMasterServer), atoi(sval(VAR_gtmMasterPort))) == 0) + stop_gtm_master(); + + elog(NOTICE, "Removing gtm master.\n"); + /* Clean */ + if (clean_opt) + clean_gtm_master(); + /* Reconfigure */ + reset_var(VAR_gtmName); + assign_sval(VAR_gtmName, Strdup("none")); + reset_var(VAR_gtmMasterServer); + assign_sval(VAR_gtmMasterServer, Strdup("none")); + reset_var(VAR_gtmMasterPort); + assign_sval(VAR_gtmMasterPort, Strdup("-1")); + reset_var(VAR_gtmMasterDir); + assign_sval(VAR_gtmMasterDir, Strdup("none")); + /* Write the configuration file and bakup it */ + if ((f = fopen(pgxc_ctl_config_path, "a")) == NULL) + { + /* Should it be panic? */ + elog(ERROR, "ERROR: cannot open configuration file \"%s\", %s\n", pgxc_ctl_config_path, strerror(errno)); + return 1; + } + fprintf(f, + "#===================================================\n" + "# pgxc configuration file updated due to GTM master removal\n" + "# %s\n", + timeStampString(date, MAXTOKEN+1)); + fprintSval(f, VAR_gtmName); + fprintSval(f, VAR_gtmMasterServer); + fprintSval(f, VAR_gtmMasterPort); + fprintSval(f, VAR_gtmMasterDir); + fprintf(f, "%s", "#----End of reconfiguration -------------------------\n"); + fclose(f); + backup_configuration(); + elog(NOTICE, "Done.\n"); + return 0; +} + int remove_gtmSlave(bool clean_opt) { FILE *f; |