compose-live

#!/bin/bash

# Fail on error, so this script can be chained safely:
set -e

# Need at least three args and the first argument to be the site:
if [ $# -lt 3 ] || ! { [ $1 = "cs" ] || [ $1 = "phy" ]; }; then
  echo "Usage: compose-live [cs|phy] [APP_VERSION] [DOCKER_ARGS]..."
  exit 1
fi

# Extract args:
SITE=$1
APP_VERSION=$2
ENV=live
# We're done with the first two args. The remainder will be passed to docker-compose:
shift 2


# Use the app image to find the correct API version to use:
if [ $1 = "create" ] || [ $1 = "pull" ] || [ $1 = "push" ] || [ $1 = "run" ] || [ $1 = "start" ] || [ $1 = "up" ]; then
  # This will cause new containers or should update containers, so pull newer images if possible:
  docker pull docker.isaacscience.org/isaac-$SITE-app:$APP_VERSION
  API_VERSION=$(docker inspect -f '{{.Config.Labels.apiVersion}}' docker.isaacscience.org/isaac-$SITE-app:$APP_VERSION)
  docker pull docker.isaacscience.org/isaac-api:$API_VERSION
  docker pull docker.isaacscience.org/isaac-$SITE-app-renderer:$APP_VERSION

elif [ $1 = "down" ] || [ $1 = "stop" ] || [ $1 = "restart" ] || [ $1 = "exec" ] || [ $1 = "config" ] || [ $1 = "logs" ] || [ $1 = "kill" ] || [ $1 = "ps" ]; then
  # This affects existing containers, so don't pull newer images:
  API_VERSION=$(docker inspect -f '{{.Config.Labels.apiVersion}}' docker.isaacscience.org/isaac-$SITE-app:$APP_VERSION)

else
  # This might not be a docker-compose operation. If it is, it could be added above to the correct branch.
  echo "Error: Unsupported docker-compose operation '$1'!"
  exit 1
fi

# Ensure we actually _have_ an API_VERSION before we continue, though the "set -e" might avoid this:
if [ -z $API_VERSION ]; then
  echo "Error: Cannot extract API version from APP image!"
  exit 1
fi

API_NAME=$SITE-api-$ENV-$API_VERSION
APP_NAME=$SITE-app-$ENV-$APP_VERSION
PG_CONTAINER=$SITE-pg-$ENV
ES_CONTAINER=$SITE-elasticsearch-live

# The content repo is named differently for both sites in a non-standard way:
if [ "$SITE" == "cs" ]; then
  CONTENT_REPO="cs-content"
elif [ "$SITE" == "phy" ]; then
  CONTENT_REPO="rutherford-content"
fi

docker-compose -p dc-$APP_NAME -f - $@ << EOF
version: '2'
services:
  $APP_NAME:
    container_name: $APP_NAME
    image: docker.isaacscience.org/isaac-$SITE-app:$APP_VERSION
    restart: unless-stopped
    networks:
      default:
        aliases:
          - $SITE-app-$ENV
  $API_NAME:
    container_name: $API_NAME
    image: docker.isaacscience.org/isaac-api:$API_VERSION
    restart: unless-stopped
    extra_hosts:
      - local-smtp:$LOCAL_SMTP
    external_links:
      - $PG_CONTAINER:postgres
      - $ES_CONTAINER:elasticsearch
    environment:
      - SEGUE_CONFIG_LOCATION=/local/data/conf/segue-config.properties
      - JAVA_OPTIONS=-Dlog.path=/isaac-logs -Dsegue.version=$API_VERSION
    volumes:
      - /local/data/m2:/root/.m2:rw
      - /local/data/isaac-config/$SITE/segue-config.$ENV.properties:/local/data/conf/segue-config.properties:ro
      - /local/data/$CONTENT_REPO:/local/data/$CONTENT_REPO:rw
      - /local/data/keys:/local/data/keys:ro
      - /local/data/school_list_2019.csv:/local/data/school_list_2019.csv:ro
      - /local/data/school_list_2022.csv:/local/data/school_list_2022.csv:ro
      - /var/log/isaac/$SITE-$ENV:/isaac-logs:rw
    networks:
      default:
        aliases:
          - $SITE-api-$ENV-any
    logging:
      driver: journald
      options:
        tag: isaac-$SITE-api-$ENV
  $SITE-renderer:
    container_name: $SITE-renderer
    image: docker.isaacscience.org/isaac-$SITE-app-renderer:$APP_VERSION
    restart: unless-stopped
networks:
  default:
    external:
      name: isaac
EOF

exit 0