rockcraft.yaml

# Copyright 2023 Canonical Ltd.
# See LICENSE file for licensing details.
---
name: charmed-kafka  # the name of your ROCK
base: ubuntu@22.04  # the base environment for this ROCK
version: '3.6.1'  # just for humans. Semantic versioning is recommended
summary: Charmed Kafka ROCK OCI  # 79 char long summary
description: |
  This is an OCI image that bundles Apache Kafka 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 Kafka
  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:

services:
  kafka:
    override: replace
    command: /opt/kafka/bin/kafka-server-start.sh /etc/kafka/server.properties
    startup: enabled
    user: kafka
    group: kafka
    environment:
      JAVA_HOME: /usr/lib/jvm/java-18-openjdk-amd64
      KAFKA_OPTS: "-javaagent:/opt/kafka/libs/jmx_prometheus_javaagent.jar=\n
        9101:/etc/kafka/jmx_prometheus.yaml\n
        -Djava.security.auth.login.config=\n
        /etc/kafka/kafka-jaas.cfg"

parts:
  kafka:
    plugin: nil
    stage-packages:
      - openjdk-18-jre-headless
      - libpsl5
      - curl
    build-environment:
      - JAVA_HOME: /usr/lib/jvm/java-18-openjdk-amd64
    stage-snaps:
      - charmed-kafka/3/edge
    override-build: |
      ln -s /usr/lib/jvm/java-18-openjdk-amd64/bin/java \
        $CRAFT_PART_INSTALL/usr/bin/java
      ln -s /usr/lib/jvm/java-18-openjdk-amd64/bin/keytool \
        $CRAFT_PART_INSTALL/usr/bin/keytool

      # making core dirs
      mkdir -p $CRAFT_PART_INSTALL/var/lib/pebble/default/
      mkdir -p $CRAFT_PART_INSTALL/var/lib/kafka/
      mkdir -p $CRAFT_PART_INSTALL/var/log/kafka/
      mkdir -p $CRAFT_PART_INSTALL/opt/kafka/
      mkdir -p $CRAFT_PART_INSTALL/etc/kafka/
    organize:
      bin: opt/kafka/bin/
      libs: opt/kafka/libs/
      config: opt/kafka/config/
  non-root-user:
    plugin: nil
    after: [kafka]
    overlay-script: |
      # Create a user in the $CRAFT_OVERLAY chroot
      groupadd -R $CRAFT_OVERLAY -g 1000 kafka
      useradd -R $CRAFT_OVERLAY -M -r -g kafka -u 1000 kafka
    override-prime: |
      craftctl default
      # Give permission ot the required folders
      install -d -o 1000 -g 1000 -m 770 \
        opt/kafka \
        var/lib/kafka \
        var/log/kafka \
        etc/kafka