Added server deploy scripts to repo.

server/deploy.sh

+#!/bin/bash
+
+
+function deploy {
+	local url=$1
+	local service_name=$2
+	local run_arguments=$3
+
+	old_digest=$(docker inspect -f '{{.RepoDigests}}' ${url}:active | grep -o 'sha256:[0-9A-Fa-f]*')
+	
+	# probably no existing image
+	if [ $? -ne 0 ]; then
+	echo "No existing image! Abort."
+		exit 1;
+	fi
+	
+	new_digest=$(docker pull ${url}:latest | grep Digest | sed 's/Digest: //')
+	
+	# network error or authentication might go wrong
+	if [ $? -ne 0 ]; then 
+		echo "Auth or network err! Abort."
+		exit 2;
+	fi
+	
+	# sanity check that new digest is formatted correctly and is same length as old.
+	# if it aint, it could be the result of a gitlab server error or such.
+	local check=$(echo $new_digest | grep -o 'sha256:[0-9A-Fa-f]*')
+	if [ "${#check}" -eq "0" ] || [ ${#old_digest} -ne 71 ]; then
+		echo "Damnit, something went bad! Crash and burn.."
+		exit 3;
+	fi
+	
+	echo "Old digest: $old_digest"
+	echo "New digest: $new_digest"
+	
+	if [ "$old_digest" != "$new_digest" ]; then
+		echo "Deploying new docker instance: $service_name."
+		docker stop $service_name
+		docker rm $service_name
+		docker rmi ${url}:active
+		docker tag ${url}:latest ${url}:active
+		docker run --network persist-net $run_arguments --name $service_name -d ${url}:active
+		
+		result=0
+	else
+		echo "Already up to date."
+	fi
+	
+	# remove/untag file. silence output
+	docker rmi ${url}:latest >/dev/null 2>&1 
+}
+
+base_url="registry.gitlab.au.dk/exsys2021/da6/hold-afstand/"
+slack_msg="A new version of the website has been deployed! Check it out: https://vm34.exsys2021.cs.au.dk/"
+
+something_deployed=1
+
+result=1
+deploy ${base_url}"server" "server" "--network-alias server"
+if [ $result -eq 0 ]; then
+	something_deployed=0
+fi
+
+echo
+
+result=1
+deploy ${base_url}"web" "web" "-p 80:80"
+if [ $result -eq 0 ]; then
+	something_deployed=0
+fi
+
+if [ $something_deployed -eq 0 ]; then
+	# notify slack channel
+	/home/auuser/slack-notifier.sh $slack_msg
+fi
+
+echo "Done."

server/old-auto-deploy.sh

+#!/bin/bash
+
+url="registry.gitlab.au.dk/exsys2021/da6/hold-afstand"
+old_digest=$(docker inspect -f '{{.RepoDigests}}' ${url}:active | grep -o 'sha256:[0-9A-Fa-f]*')
+
+# probably no existing image
+if [ $? -ne 0 ]; then
+echo "No existing image! Abort."
+	exit 1;
+fi
+
+new_digest=$(docker pull ${url}:latest | grep Digest | sed 's/Digest: //')
+
+# network error or authentication might go wrong
+if [ $? -ne 0 ]; then 
+	echo "Auth or network err! Abort."
+	exit 2;
+fi
+
+# sanity check that new digest is formatted correctly and is same length as old.
+# if it aint, it could be the result of a gitlab server error or such.
+check=$(echo $new_digest | grep -o 'sha256:[0-9A-Fa-f]*')
+if [ "${#check}" -eq "0" ] || [ ${#old_digest} -ne ${#new_digest} ]; then
+	echo "Damnit, something went bad! Crash and burn.."
+	exit 3;
+fi
+
+echo "Old digest: $old_digest"
+echo "New digest: $new_digest"
+echo 
+
+if [ "$old_digest" != "$new_digest" ]; then
+	echo "Deploying new docker instance."
+	docker stop studerende-au
+	docker rm studerende-au
+	docker rmi ${url}:active
+	docker tag ${url}:latest ${url}:active
+	docker run -p 80:80 -p 443:443 --name studerende-au -d ${url}:active
+
+	# notify slack channel
+	/home/auuser/slack-notifier.sh "A new version of the website has been deployed! Check it out: https://vm34.exsys2021.cs.au.dk/"
+else
+	echo "Already up to date."
+fi
+
+# remove/untag file. silence output
+docker rmi registry.gitlab.au.dk/exsys2021/da6/hold-afstand:latest >/dev/null 2>&1 
+
+echo "Done."

server/old-deploy.sh

+#!/bin/bash
+
+docker pull registry.gitlab.au.dk/exsys2021/da6/hold-afstand:latest
+docker stop studerende-au
+docker rm studerende-au
+docker rmi registry.gitlab.au.dk/exsys2021/da6/hold-afstand:active
+docker tag registry.gitlab.au.dk/exsys2021/da6/hold-afstand:latest registry.gitlab.au.dk/exsys2021/da6/hold-afstand:active
+docker run -p 80:80 -p 443:443 --name studerende-au -d registry.gitlab.au.dk/exsys2021/da6/hold-afstand:active
+docker rmi registry.gitlab.au.dk/exsys2021/da6/hold-afstand:latest
+

server/redeploy.sh

+#!/bin/bash
+
+# ----- CAUTION!!! -----
+# This script removes all running containers,
+# all local docker images and all unused
+# docker networks.
+#
+# It then reconfiguring the network downloading
+# the images and redeploys them.
+
+base_url="registry.gitlab.au.dk/exsys2021/da6/hold-afstand/"
+
+# stops docker containers
+echo -n "Stopping containers..."
+docker stop server >/dev/null 2>&1
+docker stop web >/dev/null 2>&1
+echo " Done."
+
+# removes docker containers
+echo -n "Removing containers..."
+docker rm server >/dev/null 2>&1
+docker rm web >/dev/null 2>&1
+echo " Done."
+
+# removes docker images
+echo -n "Removing images..."
+docker rmi ${base_url}server:active >/dev/null 2>&1
+docker rmi ${base_url}web:active >/dev/null 2>&1
+echo " Done."
+
+# removes unused docker networks
+echo -n "Removing docker network..."
+docker network rm persist-net >/dev/null 2>&1
+echo " Done."
+
+# pulling the images
+echo -n "Pulling latest sever image..."
+docker pull ${base_url}server:latest >/dev/null 2>&1
+echo " Done."
+echo -n "Pulling latest web image..."
+docker pull ${base_url}web:latest >/dev/null 2>&1
+echo " Done."
+
+# changes tags from latest to active
+echo -n "Tagging..."
+docker tag ${base_url}server:latest ${base_url}server:active >/dev/null 2>&1
+docker tag ${base_url}web:latest ${base_url}web:active >/dev/null 2>&1
+
+docker rmi ${base_url}server:latest >/dev/null 2>&1
+docker rmi ${base_url}web:latest >/dev/null 2>&1
+echo " Done."
+
+# crates network
+echo -n "Creates docker network..."
+docker network create -d bridge persist-net --attachable >/dev/null 2>&1
+echo " Done."
+
+# spins up containers
+echo -n "Spinning up containers..."
+docker run --network persist-net --network-alias server --name server -d ${base_url}server:active >/dev/null 2>&1
+docker run --network persist-net -p 80:80 --name web -d ${base_url}web:active >/dev/null 2>&1
+echo " Done."
+echo "All done!"

server/slack-notifier.sh

+#!/bin/bash
+
+# INFO: This script should be placed in auuser 's homefolder!
+
+# sanity check
+if [ "$#" == "0" ]; then
+	echo "The message should be passed as an argument!"
+	exit 1
+fi
+
+data='{"text":"'"$@"'"}'
+url=$(head -n 1 slack-url)
+curl -X POST -H 'Content-type: application/json' --data "$data" $url