edespino commented on code in PR #2: URL: https://github.com/apache/cloudberry-devops-release/pull/2#discussion_r1841929521
########## images/docker/cbdb/test/rocky8/configs/init_system.sh: ########## @@ -0,0 +1,199 @@ +#!/bin/bash +# -------------------------------------------------------------------- +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed +# with this work for additional information regarding copyright +# ownership. The ASF licenses this file to You under the Apache +# License, Version 2.0 (the "License"); you may not use this file +# except in compliance with the License. You may obtain a copy of the +# License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or +# implied. See the License for the specific language governing +# permissions and limitations under the License. +# +# -------------------------------------------------------------------- +# -------------------------------------------------------------------- +# Container Initialization Script +# -------------------------------------------------------------------- +# This script sets up the environment inside the Docker container for +# the Cloudberry Database Build Environment. It performs the following +# tasks: +# +# 1. Verifies that the container is running with the expected hostname. +# 2. Starts the SSH daemon to allow SSH access to the container. +# 3. Configures passwordless SSH access for the 'gpadmin' user. +# 4. Sets up the necessary directories and configuration files for +# Cloudberry Database. +# 5. Displays a welcome banner and system information. +# 6. Starts an interactive bash shell. +# +# This script is intended to be used as an entrypoint or initialization +# script for the Docker container. +# -------------------------------------------------------------------- + +# -------------------------------------------------------------------- +# Check if the hostname is 'cdw' +# -------------------------------------------------------------------- +# The script checks if the container's hostname is set to 'cdw'. This is +# a requirement for this environment, and if the hostname does not match, +# the script will exit with an error message. This ensures consistency +# across different environments. +# -------------------------------------------------------------------- +if [ "$(hostname)" != "cdw" ]; then + echo "Error: This container must be run with the hostname 'cdw'." + echo "Use the following command: docker run -h cdw ..." + exit 1 +fi + +# -------------------------------------------------------------------- +# Start SSH daemon and setup for SSH access +# -------------------------------------------------------------------- +# The SSH daemon is started to allow remote access to the container via +# SSH. This is useful for development and debugging purposes. If the SSH +# daemon fails to start, the script exits with an error. +# -------------------------------------------------------------------- +if ! sudo /usr/sbin/sshd; then + echo "Failed to start SSH daemon" >&2 + exit 1 +fi + +# -------------------------------------------------------------------- +# Remove /run/nologin to allow logins +# -------------------------------------------------------------------- +# The /run/nologin file, if present, prevents users from logging into +# the system. This file is removed to ensure that users can log in via SSH. +# -------------------------------------------------------------------- +sudo rm -rf /run/nologin + +# -------------------------------------------------------------------- +# Configure passwordless SSH access for 'gpadmin' user +# -------------------------------------------------------------------- +# The script sets up SSH key-based authentication for the 'gpadmin' user, +# allowing passwordless SSH access. It generates a new SSH key pair if one +# does not already exist, and configures the necessary permissions. +# -------------------------------------------------------------------- +mkdir -p /home/gpadmin/.ssh +chmod 700 /home/gpadmin/.ssh + +if [ ! -f /home/gpadmin/.ssh/id_rsa ]; then + ssh-keygen -t rsa -b 4096 -C gpadmin -f /home/gpadmin/.ssh/id_rsa -P "" > /dev/null 2>&1 +fi + +cat /home/gpadmin/.ssh/id_rsa.pub >> /home/gpadmin/.ssh/authorized_keys +chmod 600 /home/gpadmin/.ssh/authorized_keys + +# Add the container's hostname to the known_hosts file to avoid SSH warnings +ssh-keyscan -t rsa cdw > /home/gpadmin/.ssh/known_hosts 2>/dev/null + +# -------------------------------------------------------------------- +# Cloudberry Data Directories Setup +# -------------------------------------------------------------------- +# The script sets up the necessary directories for Cloudberry Database, +# including directories for the coordinator, standby coordinator, primary +# segments, and mirror segments. It also sets up the configuration files +# required for initializing the database. +# -------------------------------------------------------------------- +sudo rm -rf /data1/* +sudo mkdir -p /data1/coordinator /data1/standby_coordinator /data1/primary /data1/mirror +sudo chown -R gpadmin.gpadmin /data1 + +# Copy the gpinitsystem configuration file to the home directory +cp /tmp/gpinitsystem.conf /home/gpadmin + +# Set up the hostfile for cluster initialization +echo $(hostname) > /home/gpadmin/hostfile_gpinitsystem + +# Change to the home directory of the current user +cd $HOME + +# -------------------------------------------------------------------- +# Display a Welcome Banner +# -------------------------------------------------------------------- +# The following ASCII art and welcome message are displayed when the +# container starts. This banner provides a visual indication that the +# container is running in the Cloudberry Database Build Environment. +# -------------------------------------------------------------------- +cat <<-'EOF' + +====================================================================== + + ++++++++++ ++++++ + ++++++++++++++ +++++++ + ++++ +++++ ++++ + ++++ +++++++++ + =+==== =============+ + ======== =====+ ===== + ==== ==== ==== ==== + ==== === === ==== + ==== === === ==== + ==== === ==-- === + ===== ===== -- ==== + ===================== ====== + ============================ + =-----= + ____ _ _ _ + / ___|| | ___ _ _ __| || |__ ___ _ __ _ __ _ _ + | | | | / _ \ | | | | / _` || '_ \ / _ \| '__|| '__|| | | | + | |___ | || (_) || |_| || (_| || |_) || __/| | | | | |_| | + \____||_| \____ \__,_| \__,_||_.__/ \___||_| |_| \__, | + | _ \ __ _ | |_ __ _ | |__ __ _ ___ ___ |___/ + | | | | / _` || __|/ _` || '_ \ / _` |/ __| / _ \ + | |_| || (_| || |_| (_| || |_) || (_| |\__ \| __/ + |____/ \__,_| \__|\__,_||_.__/ \__,_||___/ \___| + +---------------------------------------------------------------------- + +EOF + +# -------------------------------------------------------------------- +# Display System Information +# -------------------------------------------------------------------- +# The script sources the /etc/os-release file to retrieve the operating +# system name and version. It then displays the following information: +# - OS name and version +# - Current user +# - Container hostname +# - IP address +# - CPU model name and number of cores +# - Total memory available +# - Cloudberry version (if installed) +# This information is useful for users to understand the environment they +# are working in. +# -------------------------------------------------------------------- +source /etc/os-release + +# Check if Cloudberry Database is installed and display its version +if rpm -q cloudberry-db > /dev/null 2>&1; then Review Comment: I am changing the name to apache-cloudberry-db-incubating -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. 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