Updated to version 1.7

Added email delivery of current execution log on success, failure, or interruption.

AppBackup-restic.sh

@@ -11,7 +11,7 @@
 #   AppBackup-restic.sh --appname <name> --appuser <user> [--apppassword <password>]
 #
 # Author: Charlie Silverman
-# Version: 1.6
+# Version: 1.7
 #
 # Revision History:
 #   1.0 - Initial version.
@@ -23,6 +23,8 @@
 #   1.5 - Added command-line help.
 #   1.6 - Replaced positional parameters with named command-line options
 #         and added support for short/long option formats.
+#   1.7 - Added email delivery of current execution log on success,
+#         failure, or interruption.
 #
 
 set -o errexit
@@ -37,7 +39,7 @@ show_help() {
 
 cat << EOF
 
-AppBackup-restic.sh v1.6
+AppBackup-restic.sh v1.7
 
 DESCRIPTION
     Creates a backup of a web application's files and optionally its
@@ -46,7 +48,8 @@ DESCRIPTION
 
 USAGE
 
-    AppBackup-restic.sh --appname <name> --appuser <user> [--apppassword <password>]
+    AppBackup-restic.sh --appname <name> --appuser <user>
+                        [--apppassword <password>]
 
 OPTIONS
 
@@ -76,9 +79,22 @@ EXAMPLES
         -a CustomerPortal \
         -u portaluser
 
-LOG FILE
+LOG FILES
 
-    /tmp/AppBackup-<ApplicationName>.log
+    Historical Log:
+        /tmp/AppBackup-<ApplicationName>.log
+
+    Current Run Log:
+        /tmp/AppBackup-<ApplicationName>-YYYYMMDD_HHMMSS.log
+
+EMAIL NOTIFICATIONS
+
+    Current execution logs are emailed to:
+
+        ackitsme3@gmail.com
+
+    Success, failure, and interruption events each generate
+    a separate email.
 
 AUTHOR
 
@@ -86,7 +102,7 @@ AUTHOR
 
 VERSION
 
-    1.6
+    1.7
 
 EOF
 
@@ -171,13 +187,44 @@ HOSTNAME_FQDN="$(hostname -f)"
 SAFE_APPNAME=$(echo "$AppName" | tr -cs '[:alnum:]_-' '_')
 
 LOGFILE="/tmp/AppBackup-${SAFE_APPNAME}.log"
+RUNLOG="/tmp/AppBackup-${SAFE_APPNAME}-${DATE}.log"
+
+touch "$RUNLOG"
 
 #------------------------------------------------------------------------------
 # Logging Function
 #------------------------------------------------------------------------------
 
 log() {
-    echo "$(date '+%Y-%m-%d %H:%M:%S') [$$] $1" | tee -a "$LOGFILE"
+
+    local msg
+
+    msg="$(date '+%Y-%m-%d %H:%M:%S') [$$] $1"
+
+    echo "$msg" | tee -a "$RUNLOG"
+}
+
+#------------------------------------------------------------------------------
+# Email Function
+#------------------------------------------------------------------------------
+
+send_email_log() {
+
+    local subject="$1"
+
+    if command -v mailx >/dev/null 2>&1; then
+
+        mailx -s "$subject" ackitsme3@gmail.com < "$RUNLOG"
+
+    elif command -v mail >/dev/null 2>&1; then
+
+        mail -s "$subject" ackitsme3@gmail.com < "$RUNLOG"
+
+    else
+
+        log "WARNING: mailx/mail command not found. Email not sent."
+
+    fi
 }
 
 #------------------------------------------------------------------------------
@@ -191,6 +238,9 @@ error_handler() {
 
     log "ERROR: Backup failed on line ${line_number} with exit code ${exit_code}"
 
+    send_email_log \
+        "FAILED: AppBackup ${AppName} (${HOSTNAME_FQDN})"
+
     exit "${exit_code}"
 }
 
@@ -198,6 +248,9 @@ interrupt_handler() {
 
     log "ERROR: Backup interrupted by signal"
 
+    send_email_log \
+        "INTERRUPTED: AppBackup ${AppName} (${HOSTNAME_FQDN})"
+
     exit 1
 }
 
@@ -213,7 +266,8 @@ log "Starting backup job"
 log "Application: $AppName"
 log "Application User: $AppUser"
 log "Host: $HOSTNAME_FQDN"
-log "Log File: $LOGFILE"
+log "Historical Log: $LOGFILE"
+log "Run Log: $RUNLOG"
 log "================================================================="
 
 #------------------------------------------------------------------------------
@@ -277,8 +331,8 @@ fi
 
 log "Removing previous backup archives"
 
-rm -f /home/Backups/"${AppName}"*.tar.bz*
-rm -f /home/Backups/"${HostPrefix}${AppName}"*.tar.bz*
+rm -f /home/Backups/"${AppName}"*.tar.bz* 2>/dev/null || true
+rm -f /home/Backups/"${HostPrefix}${AppName}"*.tar.bz* 2>/dev/null || true
 
 #------------------------------------------------------------------------------
 # Create Archive
@@ -323,7 +377,7 @@ else
         --tag website \
         --tag "$AppName" \
         --tag "$HOSTNAME_FQDN" \
-        >> "$LOGFILE" 2>&1
+        >> "$RUNLOG" 2>&1
 
     log "Restic backup completed successfully"
 
@@ -350,3 +404,24 @@ log "Application: $AppName"
 log "Archive: ${HostPrefix}${ArchiveFile}"
 log "Host: $HOSTNAME_FQDN"
 log "================================================================="
+
+#------------------------------------------------------------------------------
+# Append Current Run Log To Historical Log
+#------------------------------------------------------------------------------
+
+cat "$RUNLOG" >> "$LOGFILE"
+
+#------------------------------------------------------------------------------
+# Email Current Run Log
+#------------------------------------------------------------------------------
+
+send_email_log \
+    "SUCCESS: AppBackup ${AppName} (${HOSTNAME_FQDN})"
+
+#------------------------------------------------------------------------------
+# Cleanup Run Log
+#------------------------------------------------------------------------------
+
+rm -f "$RUNLOG"
+
+exit 0