new file: sidecar/Dockerfile

new file:   sidecar/Jenkinsfile
	new file:   sidecar/start.sh
Added sidecar image to load databases into ramdisk and periodically back
them up

sidecar/Dockerfile

@@ -0,0 +1,26 @@
+# Base on latest (edge) alpine image
+FROM harbor.ervine.dev/library/x86_64/alpine/alpine-3.11
+
+MAINTAINER “Jonathan Ervine” <docker@ervine.org>
+
+# Install updates
+ENV LANG='en_US.UTF-8' \
+    LANGUAGE='en_US.UTF-8' \
+    TERM='xterm' \
+    VERSION='develop' \
+    WATCHER_USER='mediaservice' \
+    WATCHER_GROUP='mediaservice' \
+    WATCHER_UID='1003' \
+    WATCHER_GID='1003'
+
+RUN echo http://dl-4.alpinelinux.org/alpine/edge/testing >> /etc/apk/repositories && \
+  apk -U update && \
+  apk -U upgrade && \
+  apk -U add nfs-utils e2fsprogs util-linux&& \
+  rm -rf /tmp/src && \
+  rm -rf /var/cache/apk/*
+
+COPY start.sh /usr/local/bin/start.sh
+RUN chmod 755 /usr/local/bin/start.sh
+
+CMD [ "/usr/local/bin/start.sh" ]

sidecar/Jenkinsfile

@@ -0,0 +1,24 @@
+node("docker-node") {
+    docker.withRegistry('https://harbor.ervine.dev', 'jenkins-to-harbor') {
+    
+        git branch: "3.11.3", url: "ssh://git@git.ervine.org:2222/jonny/x86_64-alpine-watcher/sidecar", credentialsId: 'jenkins-to-git'
+    
+        sh "git rev-parse HEAD > .git/commit-id"
+        def commit_id = readFile('.git/commit-id').trim()
+        println commit_id
+
+        try { 
+            stage "build"
+            def app = docker.build "library/x86_64/alpine/watcher-sidecar"
+    
+            stage "publish"
+            app.push("${env.BUILD_NUMBER}")
+            app.push("3.11.3")
+            app.push("latest")
+
+            }
+        catch (err) {
+            currentBuild.result = 'FAILURE'
+        }
+    }
+}

sidecar/start.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+##
+## Script to automate the copy of Watcher databases
+##
+echo -e 'Starting the sidecar container to periodically backup the sonarr databases'
+echo -e 'Create the ramdisk file'
+dd if=/dev/zero of=/ramdisk/image.ext4 count=0 bs=1 seek=400M
+echo -e 'Create filesystem on ramdisk file'
+mkfs.ext4 /ramdisk/image.ext4
+echo -e 'Mount the ramdisk file to /mnt/watcher-ramdisk-mount'
+mount /ramdisk/image.ext4 /mnt/watcher-ramdisk-mount
+echo -e 'Copy the config from the remote share to the ramdisk'
+cp -fvp /watcher-config/*.* /mnt/watcher-ramdisk-mount
+echo -e 'Set up the filesystem freeze, copy, unfreeze loop'
+while true; do 
+  sleep 890
+  date
+  sync /mnt/watcher-ramdisk-mount/*.*
+  fsfreeze --freeze /mnt/watcher-ramdisk-mount
+  sleep 10
+  cp -fvp /mnt/watcher-ramdisk-mount/*.* /watcher-config/
+  fsfreeze --unfreeze /mnt/watcher-ramdisk-mount
+done