add logging to syslog

src/borgwrapper

@@ -1,7 +1,15 @@
 #!/bin/bash
 
 VERSION="1.5.2"
+SCRIPT_NAME=$(basename $0)
 
+log () {
+    echo "$@" | logger -p user.notice -t ${SCRIPT_NAME}
+}
+
+err () {
+    echo "$@" | logger -p user.err -t ${SCRIPT_NAME}
+}
  
 print_usage () {
     cat << EOF
@@ -27,7 +35,7 @@ error_handler () {
     local SCRIPT_NAME="$0"
     local LINE="$1"
     local EXIT_CODE="$2"
-    >&2 echo "${SCRIPT_NAME}: Error in line ${LINE} (exit code ${EXIT_CODE})"
+    err "${SCRIPT_NAME}: Error in line ${LINE} (exit code ${EXIT_CODE})"
     exit ${EXIT_CODE}
 }
 
@@ -45,28 +53,30 @@ save_package_list () {
 
 dump_sql () {
     if ! which mysqldump; then
+        log "No mysqldump"
         return
     fi
     
     if [ ! -d "${MYSQL_DUMP_DIRECTORY}" ]
         then mkdir -p "${MYSQL_DUMP_DIRECTORY}"
     fi
-    
+    log "Dumping mysql databases"
     for DB in $(mysql -u 'root' -e 'show databases' -s --skip-column-names); do
-        mysqldump --single-transaction -u 'root' "${DB}" > "${MYSQL_DUMP_DIRECTORY}${DB}.sql.bak" || echo "mysqldump error"
+        mysqldump --single-transaction -u 'root' "${DB}" > "${MYSQL_DUMP_DIRECTORY}${DB}.sql.bak" || err "Error dumping mysql"
     done
 }
 
 dump_mongo () {
     if ! which mongodump; then
-	return
+	log "No mongodump"
+        return
     fi
     
     if [ ! -d "${MONGODB_DUMP_DIRECTORY}" ]
         then mkdir -p "${MONGODB_DUMP_DIRECTORY}/mongodump"
     fi
-    
+    log "Dumping mongo database"
-    mongodump --out "${MONGODB_DUMP_DIRECTORY}/mongodump"
+    mongodump --out "${MONGODB_DUMP_DIRECTORY}/mongodump" || err "Error dumping mongo database"
 }
 
 
@@ -77,6 +87,7 @@ borg_init () {
             --encryption repokey-blake2
         )
     fi
+    log "Initializing ${BORG_REPO}"
     ${BORG} init "${BORG_INIT_ARGS[@]}" "${BORG_REPO}"
 }
 
@@ -102,11 +113,14 @@ borg_backup () {
         BORG_CREATE_ARGS+=( --stats )
     fi
 
+    log "Creating borg repo using ${BORG} create ${BORG_CREATE_ARGS[@]} ${BORG_REPO}::${SYSTEM_NAME}-$(date -u +'%Y-%m-%dT%H-%M-%SZ') ${PATHS[@]} ${EXCLUDE_CMD[@]}"
+     
     ${BORG} create \
         "${BORG_CREATE_ARGS[@]}" \
         "${BORG_REPO}"::"${SYSTEM_NAME}-$(date -u +'%Y-%m-%dT%H-%M-%SZ')" \
         "${PATHS[@]}" \
-        "${EXCLUDE_CMD[@]}"
+        "${EXCLUDE_CMD[@]}" \
+        || log "Error backing up. Has repo been initialized?"
 }
 
 borg_prune () {
@@ -122,7 +136,7 @@ borg_prune () {
     else
         BORG_PRUNE_ARGS+=( --stats )
     fi
-
+    log "Running borg prune"
     ${BORG} prune \
         "${BORG_PRUNE_ARGS[@]}" \
         --prefix "${SYSTEM_NAME}-" \
@@ -141,6 +155,7 @@ borg_verify () {
         )
     fi
 
+    log "Running borg check"
     ${BORG} check "${BORG_CHECK_ARGS[@]}" "${BORG_REPO}"
 }