[helm-toolkit] add log strings for alert generation

Log string prefixes are added to different error logs
for the generation of alert.

Change-Id: I483cf08e09b2b56a68414f4cc3ade4c3e3cdd9aa

helm-toolkit/Chart.yaml

@@ -15,7 +15,7 @@ apiVersion: v1
 appVersion: v1.0.0
 description: OpenStack-Helm Helm-Toolkit
 name: helm-toolkit
-version: 0.2.30
+version: 0.2.31
 home: https://docs.openstack.org/openstack-helm
 icon: https://www.openstack.org/themes/openstack/images/project-mascots/OpenStack-Helm/OpenStack_Project_OpenStackHelm_vertical.png
 sources:

helm-toolkit/templates/scripts/db-backup-restore/_backup_main.sh.tpl

@@ -265,7 +265,7 @@ remove_old_local_archives() {
         if [[ $? -ne 0 ]]; then
           # Log error but don't exit so we can finish the script
           # because at this point we haven't sent backup to RGW yet
-          log ERROR "${DB_NAME}_backup" "Cannot remove ${ARCHIVE_FILE}"
+          log ERROR "${DB_NAME}_backup" "Failed to cleanup local backup. Cannot remove ${ARCHIVE_FILE}"
         fi
       else
         log INFO "${DB_NAME}_backup" "Keeping file ${ARCHIVE_FILE}."
@@ -281,7 +281,8 @@ remove_old_remote_archives() {
 
   openstack object list $CONTAINER_NAME > $BACKUP_FILES
   if [[ $? -ne 0 ]]; then
-    log_backup_error_exit "Could not obtain a list of current backup files in the RGW"
+    log_backup_error_exit \
+      "Failed to cleanup remote backup. Could not obtain a list of current backup files in the RGW"
   fi
 
   # Filter out other types of backup files
@@ -291,7 +292,8 @@ remove_old_remote_archives() {
     ARCHIVE_DATE=$( echo $ARCHIVE_FILE | awk -F/ '{print $NF}' | cut -d'.' -f 4)
     if [[ "$(seconds_difference ${ARCHIVE_DATE})" -gt "$((${REMOTE_DAYS_TO_KEEP}*86400))" ]]; then
       log INFO "${DB_NAME}_backup" "Deleting file ${ARCHIVE_FILE} from the RGW"
-      openstack object delete $CONTAINER_NAME $ARCHIVE_FILE || log_backup_error_exit "Cannot delete container object ${ARCHIVE_FILE}!"
+      openstack object delete $CONTAINER_NAME $ARCHIVE_FILE || log_backup_error_exit \
+        "Failed to cleanup remote backup. Cannot delete container object ${ARCHIVE_FILE}!"
     fi
   done
 
@@ -309,11 +311,14 @@ backup_databases() {
   SCOPE=${1:-"all"}
 
   # Create necessary directories if they do not exist.
-  mkdir -p $ARCHIVE_DIR || log_backup_error_exit "Cannot create directory ${ARCHIVE_DIR}!"
-  export TMP_DIR=$(mktemp -d) || log_backup_error_exit "Cannot create temp directory!"
+  mkdir -p $ARCHIVE_DIR || log_backup_error_exit \
+    "Backup of the ${DB_NAME} database failed. Cannot create directory ${ARCHIVE_DIR}!"
+  export TMP_DIR=$(mktemp -d) || log_backup_error_exit \
+    "Backup of the ${DB_NAME} database failed. Cannot create temp directory!"
 
   # Create temporary log file
-  export ERR_LOG_FILE=$(mktemp -p /tmp) || log_backup_error_exit "Cannot create log file!"
+  export ERR_LOG_FILE=$(mktemp -p /tmp) || log_backup_error_exit \
+    "Backup of the ${DB_NAME} database failed. Cannot create log file!"
 
   # It is expected that this function will dump the database files to the $TMP_DIR
   dump_databases_to_directory $TMP_DIR $ERR_LOG_FILE $SCOPE
@@ -333,12 +338,14 @@ backup_databases() {
     TARBALL_FILE="${DB_NAME}.${DB_NAMESPACE}.${SCOPE}.${BACK_UP_MODE}.${NOW}.tar.gz"
   fi
 
-  cd $TMP_DIR || log_backup_error_exit "Cannot change to directory $TMP_DIR"
+  cd $TMP_DIR || log_backup_error_exit \
+    "Backup of the ${DB_NAME} database failed. Cannot change to directory $TMP_DIR"
 
   #Archive the current database files
   tar zcvf $ARCHIVE_DIR/$TARBALL_FILE *
   if [[ $? -ne 0 ]]; then
-    log_backup_error_exit "Backup tarball could not be created."
+    log_backup_error_exit \
+      "Backup ${DB_NAME} to local file system failed. Backup tarball could not be created."
   fi
 
   # Get the size of the file

releasenotes/notes/helm-toolkit.yaml

@@ -37,4 +37,5 @@ helm-toolkit:
   - 0.2.28 Set Security context to ks-user job at pod and container level
   - 0.2.29 Enhance mariadb backup
   - 0.2.30 Add ability to image pull secrets on pods
+  - 0.2.31 Add log strings for alert generation
 ...