diff options
author | Peter Eisentraut <peter_e@gmx.net> | 2015-03-10 22:33:25 -0400 |
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committer | Peter Eisentraut <peter_e@gmx.net> | 2015-04-14 19:26:38 -0400 |
commit | 9fa8b0ee90c44c0f97d16bf65e94322988c94864 (patch) | |
tree | 61e414865d8552490ce7d735675cda7c65211655 /contrib/pg_upgrade/controldata.c | |
parent | 30982be4e5019684e1772dd9170aaa53f5a8e894 (diff) |
Move pg_upgrade from contrib/ to src/bin/
Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
Diffstat (limited to 'contrib/pg_upgrade/controldata.c')
-rw-r--r-- | contrib/pg_upgrade/controldata.c | 606 |
1 files changed, 0 insertions, 606 deletions
diff --git a/contrib/pg_upgrade/controldata.c b/contrib/pg_upgrade/controldata.c deleted file mode 100644 index 0e70b6f80b4..00000000000 --- a/contrib/pg_upgrade/controldata.c +++ /dev/null @@ -1,606 +0,0 @@ -/* - * controldata.c - * - * controldata functions - * - * Copyright (c) 2010-2015, PostgreSQL Global Development Group - * contrib/pg_upgrade/controldata.c - */ - -#include "postgres_fe.h" - -#include "pg_upgrade.h" - -#include <ctype.h> - -/* - * get_control_data() - * - * gets pg_control information in "ctrl". Assumes that bindir and - * datadir are valid absolute paths to postgresql bin and pgdata - * directories respectively *and* pg_resetxlog is version compatible - * with datadir. The main purpose of this function is to get pg_control - * data in a version independent manner. - * - * The approach taken here is to invoke pg_resetxlog with -n option - * and then pipe its output. With little string parsing we get the - * pg_control data. pg_resetxlog cannot be run while the server is running - * so we use pg_controldata; pg_controldata doesn't provide all the fields - * we need to actually perform the upgrade, but it provides enough for - * check mode. We do not implement pg_resetxlog -n because it is hard to - * return valid xid data for a running server. - */ -void -get_control_data(ClusterInfo *cluster, bool live_check) -{ - char cmd[MAXPGPATH]; - char bufin[MAX_STRING]; - FILE *output; - char *p; - bool got_xid = false; - bool got_oid = false; - bool got_nextxlogfile = false; - bool got_multi = false; - bool got_mxoff = false; - bool got_oldestmulti = false; - bool got_log_id = false; - bool got_log_seg = false; - bool got_tli = false; - bool got_align = false; - bool got_blocksz = false; - bool got_largesz = false; - bool got_walsz = false; - bool got_walseg = false; - bool got_ident = false; - bool got_index = false; - bool got_toast = false; - bool got_large_object = false; - bool got_date_is_int = false; - bool got_float8_pass_by_value = false; - bool got_data_checksum_version = false; - char *lc_collate = NULL; - char *lc_ctype = NULL; - char *lc_monetary = NULL; - char *lc_numeric = NULL; - char *lc_time = NULL; - char *lang = NULL; - char *language = NULL; - char *lc_all = NULL; - char *lc_messages = NULL; - uint32 logid = 0; - uint32 segno = 0; - uint32 tli = 0; - - - /* - * Because we test the pg_resetxlog output as strings, it has to be in - * English. Copied from pg_regress.c. - */ - if (getenv("LC_COLLATE")) - lc_collate = pg_strdup(getenv("LC_COLLATE")); - if (getenv("LC_CTYPE")) - lc_ctype = pg_strdup(getenv("LC_CTYPE")); - if (getenv("LC_MONETARY")) - lc_monetary = pg_strdup(getenv("LC_MONETARY")); - if (getenv("LC_NUMERIC")) - lc_numeric = pg_strdup(getenv("LC_NUMERIC")); - if (getenv("LC_TIME")) - lc_time = pg_strdup(getenv("LC_TIME")); - if (getenv("LANG")) - lang = pg_strdup(getenv("LANG")); - if (getenv("LANGUAGE")) - language = pg_strdup(getenv("LANGUAGE")); - if (getenv("LC_ALL")) - lc_all = pg_strdup(getenv("LC_ALL")); - if (getenv("LC_MESSAGES")) - lc_messages = pg_strdup(getenv("LC_MESSAGES")); - - pg_putenv("LC_COLLATE", NULL); - pg_putenv("LC_CTYPE", NULL); - pg_putenv("LC_MONETARY", NULL); - pg_putenv("LC_NUMERIC", NULL); - pg_putenv("LC_TIME", NULL); - pg_putenv("LANG", -#ifndef WIN32 - NULL); -#else - /* On Windows the default locale cannot be English, so force it */ - "en"); -#endif - pg_putenv("LANGUAGE", NULL); - pg_putenv("LC_ALL", NULL); - pg_putenv("LC_MESSAGES", "C"); - - snprintf(cmd, sizeof(cmd), "\"%s/%s \"%s\"", - cluster->bindir, - live_check ? "pg_controldata\"" : "pg_resetxlog\" -n", - cluster->pgdata); - fflush(stdout); - fflush(stderr); - - if ((output = popen(cmd, "r")) == NULL) - pg_fatal("Could not get control data using %s: %s\n", - cmd, getErrorText(errno)); - - /* Only in <= 9.2 */ - if (GET_MAJOR_VERSION(cluster->major_version) <= 902) - { - cluster->controldata.data_checksum_version = 0; - got_data_checksum_version = true; - } - - /* we have the result of cmd in "output". so parse it line by line now */ - while (fgets(bufin, sizeof(bufin), output)) - { - pg_log(PG_VERBOSE, "%s", bufin); - - if ((p = strstr(bufin, "pg_control version number:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: pg_resetxlog problem\n", __LINE__); - - p++; /* remove ':' char */ - cluster->controldata.ctrl_ver = str2uint(p); - } - else if ((p = strstr(bufin, "Catalog version number:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - cluster->controldata.cat_ver = str2uint(p); - } - else if ((p = strstr(bufin, "First log segment after reset:")) != NULL) - { - /* Skip the colon and any whitespace after it */ - p = strchr(p, ':'); - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - p = strpbrk(p, "01234567890ABCDEF"); - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - /* Make sure it looks like a valid WAL file name */ - if (strspn(p, "0123456789ABCDEF") != 24) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - strlcpy(cluster->controldata.nextxlogfile, p, 25); - got_nextxlogfile = true; - } - else if ((p = strstr(bufin, "First log file ID after reset:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - logid = str2uint(p); - got_log_id = true; - } - else if ((p = strstr(bufin, "First log file segment after reset:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - segno = str2uint(p); - got_log_seg = true; - } - else if ((p = strstr(bufin, "Latest checkpoint's TimeLineID:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - cluster->controldata.chkpnt_tli = str2uint(p); - got_tli = true; - } - else if ((p = strstr(bufin, "Latest checkpoint's NextXID:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - cluster->controldata.chkpnt_nxtepoch = str2uint(p); - - p = strchr(p, '/'); - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove '/' char */ - cluster->controldata.chkpnt_nxtxid = str2uint(p); - got_xid = true; - } - else if ((p = strstr(bufin, "Latest checkpoint's NextOID:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - cluster->controldata.chkpnt_nxtoid = str2uint(p); - got_oid = true; - } - else if ((p = strstr(bufin, "Latest checkpoint's NextMultiXactId:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - cluster->controldata.chkpnt_nxtmulti = str2uint(p); - got_multi = true; - } - else if ((p = strstr(bufin, "Latest checkpoint's oldestMultiXid:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - cluster->controldata.chkpnt_oldstMulti = str2uint(p); - got_oldestmulti = true; - } - else if ((p = strstr(bufin, "Latest checkpoint's NextMultiOffset:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - cluster->controldata.chkpnt_nxtmxoff = str2uint(p); - got_mxoff = true; - } - else if ((p = strstr(bufin, "Maximum data alignment:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - cluster->controldata.align = str2uint(p); - got_align = true; - } - else if ((p = strstr(bufin, "Database block size:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - cluster->controldata.blocksz = str2uint(p); - got_blocksz = true; - } - else if ((p = strstr(bufin, "Blocks per segment of large relation:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - cluster->controldata.largesz = str2uint(p); - got_largesz = true; - } - else if ((p = strstr(bufin, "WAL block size:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - cluster->controldata.walsz = str2uint(p); - got_walsz = true; - } - else if ((p = strstr(bufin, "Bytes per WAL segment:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - cluster->controldata.walseg = str2uint(p); - got_walseg = true; - } - else if ((p = strstr(bufin, "Maximum length of identifiers:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - cluster->controldata.ident = str2uint(p); - got_ident = true; - } - else if ((p = strstr(bufin, "Maximum columns in an index:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - cluster->controldata.index = str2uint(p); - got_index = true; - } - else if ((p = strstr(bufin, "Maximum size of a TOAST chunk:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - cluster->controldata.toast = str2uint(p); - got_toast = true; - } - else if ((p = strstr(bufin, "Size of a large-object chunk:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - cluster->controldata.large_object = str2uint(p); - got_large_object = true; - } - else if ((p = strstr(bufin, "Date/time type storage:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - cluster->controldata.date_is_int = strstr(p, "64-bit integers") != NULL; - got_date_is_int = true; - } - else if ((p = strstr(bufin, "Float8 argument passing:")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - /* used later for contrib check */ - cluster->controldata.float8_pass_by_value = strstr(p, "by value") != NULL; - got_float8_pass_by_value = true; - } - else if ((p = strstr(bufin, "checksum")) != NULL) - { - p = strchr(p, ':'); - - if (p == NULL || strlen(p) <= 1) - pg_fatal("%d: controldata retrieval problem\n", __LINE__); - - p++; /* remove ':' char */ - /* used later for contrib check */ - cluster->controldata.data_checksum_version = str2uint(p); - got_data_checksum_version = true; - } - } - - if (output) - pclose(output); - - /* - * Restore environment variables - */ - pg_putenv("LC_COLLATE", lc_collate); - pg_putenv("LC_CTYPE", lc_ctype); - pg_putenv("LC_MONETARY", lc_monetary); - pg_putenv("LC_NUMERIC", lc_numeric); - pg_putenv("LC_TIME", lc_time); - pg_putenv("LANG", lang); - pg_putenv("LANGUAGE", language); - pg_putenv("LC_ALL", lc_all); - pg_putenv("LC_MESSAGES", lc_messages); - - pg_free(lc_collate); - pg_free(lc_ctype); - pg_free(lc_monetary); - pg_free(lc_numeric); - pg_free(lc_time); - pg_free(lang); - pg_free(language); - pg_free(lc_all); - pg_free(lc_messages); - - /* - * Before 9.3, pg_resetxlog reported the xlogid and segno of the first log - * file after reset as separate lines. Starting with 9.3, it reports the - * WAL file name. If the old cluster is older than 9.3, we construct the - * WAL file name from the xlogid and segno. - */ - if (GET_MAJOR_VERSION(cluster->major_version) <= 902) - { - if (got_log_id && got_log_seg) - { - snprintf(cluster->controldata.nextxlogfile, 25, "%08X%08X%08X", - tli, logid, segno); - got_nextxlogfile = true; - } - } - - /* verify that we got all the mandatory pg_control data */ - if (!got_xid || !got_oid || - !got_multi || !got_mxoff || - (!got_oldestmulti && - cluster->controldata.cat_ver >= MULTIXACT_FORMATCHANGE_CAT_VER) || - (!live_check && !got_nextxlogfile) || - !got_tli || - !got_align || !got_blocksz || !got_largesz || !got_walsz || - !got_walseg || !got_ident || !got_index || !got_toast || - (!got_large_object && - cluster->controldata.ctrl_ver >= LARGE_OBJECT_SIZE_PG_CONTROL_VER) || - !got_date_is_int || !got_float8_pass_by_value || !got_data_checksum_version) - { - pg_log(PG_REPORT, - "The %s cluster lacks some required control information:\n", - CLUSTER_NAME(cluster)); - - if (!got_xid) - pg_log(PG_REPORT, " checkpoint next XID\n"); - - if (!got_oid) - pg_log(PG_REPORT, " latest checkpoint next OID\n"); - - if (!got_multi) - pg_log(PG_REPORT, " latest checkpoint next MultiXactId\n"); - - if (!got_mxoff) - pg_log(PG_REPORT, " latest checkpoint next MultiXactOffset\n"); - - if (!got_oldestmulti && - cluster->controldata.cat_ver >= MULTIXACT_FORMATCHANGE_CAT_VER) - pg_log(PG_REPORT, " latest checkpoint oldest MultiXactId\n"); - - if (!live_check && !got_nextxlogfile) - pg_log(PG_REPORT, " first WAL segment after reset\n"); - - if (!got_tli) - pg_log(PG_REPORT, " latest checkpoint timeline ID\n"); - - if (!got_align) - pg_log(PG_REPORT, " maximum alignment\n"); - - if (!got_blocksz) - pg_log(PG_REPORT, " block size\n"); - - if (!got_largesz) - pg_log(PG_REPORT, " large relation segment size\n"); - - if (!got_walsz) - pg_log(PG_REPORT, " WAL block size\n"); - - if (!got_walseg) - pg_log(PG_REPORT, " WAL segment size\n"); - - if (!got_ident) - pg_log(PG_REPORT, " maximum identifier length\n"); - - if (!got_index) - pg_log(PG_REPORT, " maximum number of indexed columns\n"); - - if (!got_toast) - pg_log(PG_REPORT, " maximum TOAST chunk size\n"); - - if (!got_large_object && - cluster->controldata.ctrl_ver >= LARGE_OBJECT_SIZE_PG_CONTROL_VER) - pg_log(PG_REPORT, " large-object chunk size\n"); - - if (!got_date_is_int) - pg_log(PG_REPORT, " dates/times are integers?\n"); - - if (!got_float8_pass_by_value) - pg_log(PG_REPORT, " float8 argument passing method\n"); - - /* value added in Postgres 9.3 */ - if (!got_data_checksum_version) - pg_log(PG_REPORT, " data checksum version\n"); - - pg_fatal("Cannot continue without required control information, terminating\n"); - } -} - - -/* - * check_control_data() - * - * check to make sure the control data settings are compatible - */ -void -check_control_data(ControlData *oldctrl, - ControlData *newctrl) -{ - if (oldctrl->align == 0 || oldctrl->align != newctrl->align) - pg_fatal("old and new pg_controldata alignments are invalid or do not match\n" - "Likely one cluster is a 32-bit install, the other 64-bit\n"); - - if (oldctrl->blocksz == 0 || oldctrl->blocksz != newctrl->blocksz) - pg_fatal("old and new pg_controldata block sizes are invalid or do not match\n"); - - if (oldctrl->largesz == 0 || oldctrl->largesz != newctrl->largesz) - pg_fatal("old and new pg_controldata maximum relation segement sizes are invalid or do not match\n"); - - if (oldctrl->walsz == 0 || oldctrl->walsz != newctrl->walsz) - pg_fatal("old and new pg_controldata WAL block sizes are invalid or do not match\n"); - - if (oldctrl->walseg == 0 || oldctrl->walseg != newctrl->walseg) - pg_fatal("old and new pg_controldata WAL segment sizes are invalid or do not match\n"); - - if (oldctrl->ident == 0 || oldctrl->ident != newctrl->ident) - pg_fatal("old and new pg_controldata maximum identifier lengths are invalid or do not match\n"); - - if (oldctrl->index == 0 || oldctrl->index != newctrl->index) - pg_fatal("old and new pg_controldata maximum indexed columns are invalid or do not match\n"); - - if (oldctrl->toast == 0 || oldctrl->toast != newctrl->toast) - pg_fatal("old and new pg_controldata maximum TOAST chunk sizes are invalid or do not match\n"); - - /* large_object added in 9.5, so it might not exist in the old cluster */ - if (oldctrl->large_object != 0 && - oldctrl->large_object != newctrl->large_object) - pg_fatal("old and new pg_controldata large-object chunk sizes are invalid or do not match\n"); - - if (oldctrl->date_is_int != newctrl->date_is_int) - pg_fatal("old and new pg_controldata date/time storage types do not match\n"); - - /* - * We might eventually allow upgrades from checksum to no-checksum - * clusters. - */ - if (oldctrl->data_checksum_version == 0 && - newctrl->data_checksum_version != 0) - pg_fatal("old cluster does not use data checksums but the new one does\n"); - else if (oldctrl->data_checksum_version != 0 && - newctrl->data_checksum_version == 0) - pg_fatal("old cluster uses data checksums but the new one does not\n"); - else if (oldctrl->data_checksum_version != newctrl->data_checksum_version) - pg_fatal("old and new cluster pg_controldata checksum versions do not match\n"); -} - - -void -disable_old_cluster(void) -{ - char old_path[MAXPGPATH], - new_path[MAXPGPATH]; - - /* rename pg_control so old server cannot be accidentally started */ - prep_status("Adding \".old\" suffix to old global/pg_control"); - - snprintf(old_path, sizeof(old_path), "%s/global/pg_control", old_cluster.pgdata); - snprintf(new_path, sizeof(new_path), "%s/global/pg_control.old", old_cluster.pgdata); - if (pg_mv_file(old_path, new_path) != 0) - pg_fatal("Unable to rename %s to %s.\n", old_path, new_path); - check_ok(); - - pg_log(PG_REPORT, "\n" - "If you want to start the old cluster, you will need to remove\n" - "the \".old\" suffix from %s/global/pg_control.old.\n" - "Because \"link\" mode was used, the old cluster cannot be safely\n" - "started once the new cluster has been started.\n\n", old_cluster.pgdata); -} |