Using systemd to mount volumes and start containers at boot.

create.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+#Absolute path to this script
+SCRIPT=$(readlink -f $0)
+#Absolute path this script is in
+SCRIPTPATH=$(dirname $SCRIPT)
+
+cd $SCRIPTPATH
+
+for NETWORK in mailnet mysqlnet reverse-proxy
+do
+    sudo docker network inspect ${NETWORK} &> /dev/null && continue
+    sudo docker network create ${NETWORK}
+    sudo docker network inspect ${NETWORK} &> /dev/null || \
+    { echo "ERROR: could not create network ${NETWORK}, exiting."; exit 1; }
+done
+
+sudo -E bash -c 'docker-compose up --no-start --build'

docker-compose.yml

@@ -4,9 +4,8 @@ services:
 
   nextcloud:
     container_name: nextcloud-full
-    image: nextcloud:17.0.3
+    image: nextcloud:18.0.3
     build: ./docker/.examples/dockerfiles/full/apache/
-    restart: unless-stopped
     networks:
       - reverse-proxy
       - mysqlnet

install.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+#Absolute path to this script
+SCRIPT=$(readlink -f $0)
+#Absolute path this script is in
+SCRIPTPATH=$(dirname $SCRIPT)
+STACK=$(basename "$SCRIPTPATH")
+
+for VOLUME in $(awk NF $SCRIPTPATH/volume_list | tr -d "[:blank:]")
+do
+    systemctl enable mnt-cinder-volume@${VOLUME}.service
+done
+
+cat << EOF > /etc/systemd/system/${STACK}.service
+[Unit]
+Description=Starting ${STACK}
+After=network-online.target firewalld.service docker.service docker.socket
+Wants=network-online.target docker.service
+Requires=docker.socket
+EOF
+
+for VOLUME in $(awk NF $SCRIPTPATH/volume_list | tr -d "[:blank:]")
+do
+    cat << EOF >> /etc/systemd/system/${STACK}.service
+After=mnt-cinder-volume@${VOLUME}.service
+After=mnt-volumes-${VOLUME}.mount
+Wants=mnt-cinder-volume@${VOLUME}.service
+Requires=mnt-volumes-${VOLUME}.mount
+
+EOF
+done
+
+cat << EOF >> /etc/systemd/system/${STACK}.service
+[Service]
+Type=oneshot
+User=$SUDO_USER
+ExecStart=$SCRIPTPATH/start.sh
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl daemon-reload
+systemctl enable ${STACK}.service

start.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+#Absolute path to this script
+SCRIPT=$(readlink -f $0)
+#Absolute path this script is in
+SCRIPTPATH=$(dirname $SCRIPT)
+
+cd $SCRIPTPATH
+sudo docker-compose start

start_or_update.sh

@@ -1,26 +0,0 @@
-#!/bin/bash
-for NETWORK in mailnet mysqlnet reverse-proxy
-do
-    sudo docker network inspect ${NETWORK} &> /dev/null && continue
-    sudo docker network create ${NETWORK}
-    sudo docker network inspect ${NETWORK} &> /dev/null || \
-    { echo "ERROR: could not create network ${NETWORK}, exiting."; exit 1; }
-done
-
-test -f ~/openrc.sh || { echo "ERROR: ~/openrc.sh not found, exiting."; exit 1; }
-source ~/openrc.sh
-INSTANCE=$(~/env_py3/bin/openstack server show -c id --format value $(hostname))
-for VOLUME in nextcloud
-do
-    sudo mkdir -p /mnt/volumes/${VOLUME}
-    if ! mountpoint -q /mnt/volumes/${VOLUME}
-    then
-         VOLUME_ID=$(/home/yohan/env_py3/bin/openstack volume show ${VOLUME} -c id --format value)
-         test -e /dev/disk/by-id/*${VOLUME_ID:0:20} || nova volume-attach $INSTANCE $VOLUME_ID auto
-         sleep 3
-         sudo mount /dev/disk/by-id/*${VOLUME_ID:0:20} /mnt/volumes/${VOLUME}
-         mountpoint -q /mnt/volumes/${VOLUME} || { echo "ERROR: could not mount /mnt/volumes/${VOLUME}, exiting."; exit 1; }
-    fi
-done
-
-sudo -E bash -c 'docker-compose up -d --build'

volume_list

@@ -0,0 +1 @@
+nextcloud