Initial commit

2024-08-01 09:28:48 +02:00
commit 86bacf9ad5
4 changed files with 142 additions and 0 deletions
--- a/entrypoint.sh
+++ b/entrypoint.sh
@ -0,0 +1,82 @@
+#!/usr/bin/env bash
+
+set -eu
+
+
+log() {
+    echo ">> [local]" $@
+}
+
+cleanup() {
+    set +e
+    log "Killing ssh agent."
+    ssh-agent -k
+    log "Removing workspace archive."
+    rm -f /tmp/workspace.tar.bz2
+}
+
+trap cleanup EXIT
+
+compress_workdir() {
+    log "Packing workspace into archive to transfer to remove machine."
+    tar jcvf /tmp/workspace.tar.bz2 --exclude .git --exclude vendor .
+}
+
+start_ssh_agent() {
+    log "Launching SSH agent"
+    eval $(ssh-agent -s)
+    ssh-add <(echo "$SSH_PRIVATE_KEY")
+}
+
+compose_up() {
+    echo "set -e ; log() { echo '>> [remote]' \$@ ; } ; cleanup() { log 'Removing workspace...'; rm -rf \"\$HOME/workspace\" ; } ; log 'Creating workspace directory...' ; mkdir -p \"\$HOME/workspace\" ; trap cleanup EXIT ; log 'Unpacking workspace...' ; tar -C \"\$HOME/workspace\" -xjv ; log 'Launching docker compose...' ; cd \"\$HOME/workspace\" ; docker compose -f \"$DOCKER_COMPOSE_FILENAME\" -p \"$DOCKER_COMPOSE_PROJECT\" pull ; docker compose -f \"$DOCKER_COMPOSE_FILENAME\" -p \"$DOCKER_COMPOSE_PROJECT\" up -d --remove-orphans --build"
+}
+
+compose_down() {
+    echo "set -e ; log() { echo '>> [remote]' \$@ ; } ; cleanup() { log 'Removing workspace...'; rm -rf \"\$HOME/workspace\" ; } ; log 'Creating workspace directory...' ; mkdir -p \"\$HOME/workspace\" ; trap cleanup EXIT ; log 'Unpacking workspace...' ; tar -C \"\$HOME/workspace\" -xjv ; log 'Launching docker compose...' ; cd \"\$HOME/workspace\" ; docker compose -f \"$DOCKER_COMPOSE_FILENAME\" -p \"$DOCKER_COMPOSE_PROJECT\" down"
+}
+
+stack_up() {
+    echo "set -e ; log() { echo '>> [remote]' \$@ ; } ; cleanup() { log 'Removing workspace...'; rm -rf \"\$HOME/workspace\" ; } ; log 'Creating workspace directory...' ; mkdir -p \"\$HOME/workspace/$DOCKER_COMPOSE_PROJECT\" ; trap cleanup EXIT ; log 'Unpacking workspace...' ; tar -C \"\$HOME/workspace/$DOCKER_COMPOSE_PROJECT\" -xjv ; log 'Launching docker stack deploy...' ; cd \"\$HOME/workspace/$DOCKER_COMPOSE_PROJECT\" ; docker stack deploy -c \"$DOCKER_COMPOSE_FILENAME\" --prune \"$DOCKER_COMPOSE_PROJECT\""
+}
+
+stack_down() {
+    # It is not at all necessary to transfer and unpack the workspace here, but I'll do it anyway for simplicity's sake.
+    echo "set -e ; log() { echo '>> [remote]' \$@ ; } ; cleanup() { log 'Removing workspace...'; rm -rf \"\$HOME/workspace\" ; } ; log 'Creating workspace directory...' ; mkdir -p \"\$HOME/workspace/$DOCKER_COMPOSE_PROJECT\" ; trap cleanup EXIT ; log 'Unpacking workspace...' ; tar -C \"\$HOME/workspace/$DOCKER_COMPOSE_PROJECT\" -xjv ; log 'Launching docker stack rm...' ; cd \"\$HOME/workspace/$DOCKER_COMPOSE_PROJECT\" ; docker stack rm \"$DOCKER_COMPOSE_PROJECT\""
+}
+
+deploy() {
+    local remote_command
+    if $SWARM_MODE; then
+        if [ "$DEPLOY_ACTION" == "up" ]; then
+            log "Deploying docker swarm stack ${DOCKER_COMPOSE_PROJECT}."
+            remote_command=$(stack_up)
+        else
+            log "Removing docker swarm stack ${DOCKER_COMPOSE_PROJECT}"
+            remote_command=$(stack_down)
+        fi
+    else
+        if [ "$DEPLOY_ACTION" == "up" ]; then
+            log "Deploying docker compose project ${DOCKER_COMPOSE_PROJECT}."
+            remote_command=$(compose_up)
+        else
+            log "Removing docker compose project ${DOCKER_COMPOSE_PROJECT}."
+            remote_command=$(compose_down)
+        fi
+    fi
+    ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null \
+        "$SSH_USER@$SSH_HOST" -p "$SSH_PORT" \
+        "$remote_command" \
+        < /tmp/workspace.tar.bz2
+
+}
+
+if [ -n "${RUN_DIR:-}" ]; then
+    cd ${RUN_DIR}
+    log "Running action from ${RUN_DIR}"
+fi
+
+log "Starting deployment main function."
+compress_workdir
+start_ssh_agent
+deploy