Merge pull request #51 from yoyoma2/main

add a generic sample notification and a DSM notification addon

dockcheck.sh

@@ -14,6 +14,8 @@ ScriptWorkDir="$(dirname "$ScriptPath")"
 LatestRelease="$(curl -s -r 0-50 $RawUrl | sed -n "/VERSION/s/VERSION=//p" | tr -d '"')"
 LatestChanges="$(curl -s -r 0-200 $RawUrl | sed -n "/ChangeNotes/s/### ChangeNotes: //p")"
 
+[ -s $ScriptWorkDir/notify.sh ] && source $ScriptWorkDir/notify.sh
+
 ### Help Function:
 Help() {
   echo "Syntax:     dockcheck.sh [OPTION] [part of name to filter]" 
@@ -232,6 +234,7 @@ fi
 if [[ -n ${GotUpdates[*]} ]] ; then 
    printf "\n%bContainers with updates available:%b\n" "$c_yellow" "$c_reset"
    [[ -z "$AutoUp" ]] && options || printf "%s\n" "${GotUpdates[@]}"
+   [[ $(type -t send_notification) == function ]] && send_notification ${GotUpdates[@]}
 fi
 
 ### Optionally get updates if there's any 

notify_DSM.sh

@@ -0,0 +1,29 @@
+### DISCLAIMER: This is a third party addition to dockcheck - best effort testing.
+# Copy/rename this file to notify.sh to enable email notifications on synology DSM
+# Modify to your liking - changing SendMailTo and Subject and content.
+
+send_notification() {
+Updates=("$@")
+UpdToString=$( printf "%s\n" "${Updates[@]}" )
+# change this to your usual destination for synology DSM notification emails
+SendMailTo=me@mydomain.com
+FromHost=$(hostname)
+
+printf "\nSending email notification\n"
+
+ssmtp $SendMailTo << __EOF
+From: "$FromHost" <$SendMailTo>
+date:$(date -R)
+To: <$SendMailTo>
+Subject: [diskstation] Some docker containers need to be updated
+Content-Type: text/plain; charset=UTF-8; format=flowed
+Content-Transfer-Encoding: 7bit
+
+The following docker containers on $FromHost need to be updated:
+
+$UpdToString
+
+ From $FromHost
+
+__EOF
+}

notify_generic.sh

@@ -0,0 +1,13 @@
+### DISCLAIMER: This is a third party addition to dockcheck - best effort testing.
+# Copy/rename this file to notify.sh to enable email/text notifications
+# generic sample, the "Hello World" of notification addons
+
+send_notification() {
+  Updates=("$@")
+  UpdToString=$( printf "%s\n" "${Updates[@]}" )
+  FromHost=$(hostname)
+
+  # platform specific notification code would go here
+  printf "\n%bGeneric notification addon:%b" "$c_green" "$c_reset"
+  printf "\nThe following docker containers on %s need to be updated:\n%s\n" "$FromHost" "$UpdToString"
+}