add postgresql role

2025-05-28 11:31:55 +02:00
parent 24465cb6f9
commit e96e220869
13 changed files with 1356 additions and 0 deletions
--- a/ansible/roles/postgresql/templates/postgresql-dump-full.sh.j2
+++ b/ansible/roles/postgresql/templates/postgresql-dump-full.sh.j2
@@ -0,0 +1,92 @@
+#!/bin/bash
+
+set -eu
+
+DATE=$(date '+%Y%m%d %H%M%S')
+TODAY=$(date '+%Y%m%d')
+HOSTNAME=$(hostname -s)
+STATUS=0
+LOGFILE="/data/log/scripts/postgresql-dump-databases.log"
+PGSQL_HOST="localhost"
+PGSQL_USER="{{ postgresql_backup_user }}"
+COMPRESS=false
+
+touch ${LOGFILE}
+
+#
+# Fonctions
+#
+
+checkNas()
+{
+    if [ ! -e "${BACKUPDIR}/.mount" ]; then
+        echo "${BACKUPDIR} not mounted. Backup aborted." | tee -a ${LOGFILE}
+        exit 1
+    fi
+}
+
+usage()
+{
+  echo "$0 -r <retention> -d <repertoire> -c (compression)"
+  echo "Exemple : /data/scripts/postgresql-dump-full.sh -r 20 -d /nas -c"
+}
+
+#
+# Main
+#
+
+while getopts "hcr:d:" option
+do
+  case "${option}"
+  in
+    r)
+      RETENTION=${OPTARG};;
+    d)
+      BACKUPDIR=${OPTARG};;
+    c)
+      COMPRESS=true;;
+    h | *)
+      usage
+      exit 1;;
+  esac
+done
+
+echo "Lancement du dump - Retention : ${RETENTION} - Repertoire : ${BACKUPDIR}" | tee -a ${LOGFILE}
+
+mkdir -p "$BACKUPDIR"/postgresqldump/ | tee -a ${LOGFILE}
+find "$BACKUPDIR"/postgresqldump/ -mindepth 1 -maxdepth 1 -type f -daystart -mtime +"${RETENTION}" -delete | tee -a ${LOGFILE}
+
+# Ne marche pas quand le backup tourne sur un replica
+#echo "[${DATE}] - Granting superuser to ${PGSQL_USER} user" | tee -a ${LOGFILE}
+#/usr/bin/su - postgres -c "psql --command 'ALTER USER ${PGSQL_USER} WITH SUPERUSER'" | tee -a ${LOGFILE}
+
+DB_LIST=$(/usr/bin/su - postgres -c "psql --csv --command 'select datname from pg_catalog.pg_database'")
+for db in ${DB_LIST} ; do
+    if  [ ! "$db" = "datname" ] && [ ! "$db" = "template0" ] ; then
+        echo "[${DATE}] - Dumping database : $db" | tee -a ${LOGFILE}
+        if [ $COMPRESS = true ] ; then
+            /usr/bin/pg_dump -Z gzip -f "${BACKUPDIR}"/postgresqldump/"${TODAY}"-"${HOSTNAME}"-"${db}".gz -U "${PGSQL_USER}" -w -h "${PGSQL_HOST}" "${db}" | tee -a ${LOGFILE}
+            STATUS=${PIPESTATUS[0]}
+        else
+            /usr/bin/pg_dump -f "${BACKUPDIR}"/postgresqldump/"${TODAY}"-"${HOSTNAME}"-"${db}".sql -U "${PGSQL_USER}" -w -h "${PGSQL_HOST}" "${db}" | tee -a "${LOGFILE}"
+            STATUS=${PIPESTATUS[0]}
+        fi
+        if [ ! ${STATUS} -eq 0 ]; then
+            echo "[${DATE}][CRIT] Dump of $db failed" | tee -a ${LOGFILE}
+            echo "[${DATE}] - Revoking superuser from ${PGSQL_USER} user" | tee -a ${LOGFILE}
+            /usr/bin/su - postgres -c "psql --command 'ALTER USER ${PGSQL_USER} WITH NOSUPERUSER'" | tee -a ${LOGFILE}
+            OUTPUT="${OUTPUT} $db"
+            break
+        fi
+    fi
+done
+
+# Ne marche pas quand le backup tourne sur un replica
+#echo "[${DATE}] - Revoking superuser from ${PGSQL_USER} user" | tee -a ${LOGFILE}
+#/usr/bin/su - postgres -c "psql --command 'ALTER USER ${PGSQL_USER} WITH NOSUPERUSER'" | tee -a ${LOGFILE}
+
+STATUS=$?
+
+# output in statusfile for checkmk
+echo "$(date +%s)|${STATUS}|Check log file ${LOGFILE}" > /var/tmp/batch."$(basename "$0")"
+echo "Fin du dump - Retention : ${RETENTION} - Repertoire : ${BACKUPDIR}" | tee -a ${LOGFILE}