rockcraft.yaml

# Copyright 2023 Canonical Ltd.
# See LICENSE file for licensing details.
---
name: charmed-zookeeper  # the name of your ROCK
base: ubuntu@22.04  # the base environment for this ROCK
version: '3.9.2'  # just for humans. Semantic versioning is recommended
summary: Charmed ZooKeeper ROCK OCI  # 79 char long summary
description: |
  This is an OCI image that bundles Apache ZooKeeper together with other tools
  of its ecosystem in order to be used in Charmed Operators, providing
  automated operations management from day 0 to day 2 on the Apache ZooKeeper
  distributed coodrdinator, on top of a Virtual Machine cluster and K8s cluster.
  It is an open source, end-to-end, production ready data platform on top of
  cloud native technologies.
license: Apache-2.0  # your application's SPDX license

platforms:  # The platforms this ROCK should be built on and run on
  amd64:

environment:
  JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
  ZOO_LOG_DIR: /var/log/zookeeper
  ZOOCFGDIR: /etc/zookeeper

services:
  zookeeper:
    override: replace
    command: >
      /opt/zookeeper/bin/zkServer.sh
      --config /etc/zookeeper start-foreground
    startup: enabled
    user: zookeeper
    group: zookeeper

parts:
  zookeeper:
    plugin: nil
    stage-packages:
      - openjdk-11-jre-headless
      - libpsl5
      - curl
    build-environment:
      - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
    stage-snaps:
      - charmed-zookeeper/3/edge
    override-build: |
      ln -s /usr/lib/jvm/java-11-openjdk-amd64/bin/java \
        $CRAFT_PART_INSTALL/usr/bin/java
      ln -s /usr/lib/jvm/java-11-openjdk-amd64/bin/keytool \
        $CRAFT_PART_INSTALL/usr/bin/keytool

      mkdir -p $CRAFT_PART_INSTALL/var/lib/pebble/default/
      mkdir -p $CRAFT_PART_INSTALL/var/lib/zookeeper/
      mkdir -p $CRAFT_PART_INSTALL/var/log/zookeeper/
      mkdir -p $CRAFT_PART_INSTALL/opt/zookeeper/
      mkdir -p $CRAFT_PART_INSTALL/etc/zookeeper/

      cp $CRAFT_PART_INSTALL/opt/zookeeper/conf/zoo_sample.cfg \
        $CRAFT_PART_INSTALL/etc/zookeeper/zoo.cfg
      rm -rf $CRAFT_PART_INSTALL/opt/zookeeper/conf
    override-prime: |
      craftctl default
      rm -vf usr/lib/jvm/java-11-openjdk-amd64/lib/security/cacerts
  non-root-user:
    plugin: nil
    after: [zookeeper]
    overlay-script: |
      # Create a user in the $CRAFT_OVERLAY chroot
      groupadd -R $CRAFT_OVERLAY -g 1000 zookeeper
      useradd -R $CRAFT_OVERLAY -M -r -g zookeeper -u 1000 zookeeper
    override-prime: |
      craftctl default
      # Give permissions to the required folders
      install -d -o 1000 -g 1000 -m 770 \
        opt/zookeeper \
        var/lib/zookeeper \
        var/log/zookeeper \
        etc/zookeeper