Adding postgresql backup config and script

scripts/postgresql

@@ -3,36 +3,59 @@
 restoreDir=/etc/restore
 pgsqlDir="$restoreDir/postgresql"
 
+function readConfig() {
+    while read -r -a vals
+    do
+        [[ "${vals[*]}" =~ ^#.*$ ]] && continue
+        [[ -z "${vals[0]}" ]] && continue
+        if [[ "${vals[0]}" -ge 10 ]]; then
+            echo "${vals[@]}"
+        fi
+    done < postgresql.cfg
+}
+
+function runBackups() {
+    local vals
+    local version
+    local cluster
+
+    while read -r -a vals
+    do
+        version="${vals[0]}"
+        cluster="${vals[1]}"
+
+        echo "Backing up PostgreSQL $version - $cluster"
+        pg_backupcluster "$version" "$cluster" createdirectory                      || return $?
+        sudo -u postgres pg_backupcluster "$version" "$cluster" basebackup          || return $?
+        sudo -u postgres pg_backupcluster "$version" "$cluster" dump                || return $?
+        sudo -u postgres pg_backupcluster "$version" "$cluster" expirebasebackups 1 || return $?
+        sudo -u postgres pg_backupcluster "$version" "$cluster" expiredumps 1       || return $?
+    done < <(readConfig)
+}
+
 hook_before() {
-    if [[ -d "$pgsqlDir" ]]; then
-        rm -rf "$pgsqlDir" || exit 1
-    fi
-    
-    state=$(nc 127.0.0.1 5400)
+	if [[ -d "$pgsqlDir" ]]; then
+		rm -rf "$pgsqlDir" || exit 1
+	fi
 
-    if [[ "$state" != "MASTER" ]]; then
-        #backupDate=$(date +"%Y-%m-%d")
-
-        mkdir -p "$pgsqlDir" || exit 2
-        /usr/local/sbin/pg_backup -c /etc/postgresql/9.6/main/pg_backup.config
-    fi
+	runBackups || exit $?
 }
 
 hook_after() {
-    rm -rf "$pgsqlDir" || exit 1
+	rm -rf "$pgsqlDir" || exit 1
 }
 
 hook_fail() {
-    :
+	:
 }
 
 hook_final() {
-    :
+	:
 }
 
 case "$1" in
-    before)     hook_before     || exit $?;;
-    after)      hook_after      || exit $?;;
-    fail)       hook_fail       || exit $?;;
-    finally)    hook_final      || exit $?;;
+before) hook_before || exit $? ;;
+after) hook_after || exit $? ;;
+fail) hook_fail || exit $? ;;
+finally) hook_final || exit $? ;;
 esac

templates/config/postgresql.cfg

@@ -0,0 +1,4 @@
+# Configuration for pg_backupcluster stylebackups.
+# Format per line: VERSION CLUSTER
+# Example: 10 main
+10 main