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joemallerjoemaller
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Refactor bump script, validate tags. Closes #40 
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‎bin/bump-wordpress.sh‎

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#!/bin/bash
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# This script is a part of the ideasonpurpose/docker-wordpress-dev project
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# https://github.com/ideasonpurpose/docker-wordpress-dev
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#
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# Version: 0.9.4
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#
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# This script does a few things:
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#
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# 1. Fetch the list of stable WordPress versions from the wordpress.org API
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# and extract the latest version number.
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# 2. Request that tag from DockerHub to check that the image exists.
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#
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# If the version has a matching tag on DockerHub:
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# - Store the version in wp-version.json. The file is just something like this:
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# { "wordpress": "5.9.2" }
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# - Update the WordPress base image in the Dockerfile.
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# - Update the WordPress version in README.md.
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# - Update the WordPress version in the boilerplate-tooling docker-compose files
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#
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# The wp-version.json file should be commited to Git. The push-to-dockerhub
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# GitHub Action uses this file to generate tag names for the Docker Image.
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# style helpers
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RESET="\033[0m"
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BOLD="\033[1m"
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RED="\033[31m"
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GREEN="\033[32m"
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GOLD="\033[33m"
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BLUE="\033[34m"
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MAGENTA="\033[35m"
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CYAN="\033[36m"
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echo -e "💫 Fetching releases from the ${CYAN}WordPress API${RESET}..."
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wget -q -O- http://api.wordpress.org/core/stable-check/1.0 >/tmp/wp.json
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echo -e "👀 Found ${CYAN}$(jq -r 'length' /tmp/wp.json)${RESET} releases"
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# jq '{wordpress: (to_entries[] | select(.value == "latest").key)}' /tmp/wp.json >/app/wp-version.json
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WP_LATEST=$(jq -r 'to_entries[] | select(.value == "latest").key' /tmp/wp.json)
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# WP_LATEST=5.9 # debug: Known good
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# WP_LATEST=5.8.111 # debug: Known bad
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echo -e "🎁 Latest WordPress release is ${CYAN}${WP_LATEST}${RESET}"
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echo -e "🔍 Checking DockerHub to see if ${CYAN}wordpress:${WP_LATEST}${RESET} tag exists..."
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wget -q -O- https://registry.hub.docker.com/v2/repositories/library/wordpress/tags/${WP_LATEST}/ >/tmp/dockerhub-check.json
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if [[ ! -s /tmp/dockerhub-check.json ]]; then
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echo -e "⚠️ ${RED}Tag ${WP_LATEST} not found on DockerHub, unable to bump WordPress version.${RESET}"
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exit
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fi
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echo -e "🎉 It does!"
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jq -n "{wordpress: \"${WP_LATEST}\"}" >/app/wp-version.json
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echo -e "✏️ Writing $(jq -C -c '.' /app/wp-version.json) to ${GOLD}wp-version.json${RESET}" # shhh, we already wrote it
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echo -e "✏️ Updating ${GOLD}Dockerfile${RESET} to ${CYAN}wordpress:${WP_LATEST}${RESET}"
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sed -i "s/wordpress:.*-php8/wordpress:${WP_LATEST}-php8/" /app/Dockerfile
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echo -e "✏️ Updating ${GOLD}README.md${RESET} to ${CYAN}v${WP_LATEST}${RESET}"
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sed -E -i "s/currently\s+\*\*\[v[0-9.]+\]/currently **[v${WP_LATEST}]/" /app/README.md
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echo -e "✏️ Updating ${GOLD}docker-compose.yml${RESET} (boilerplate) to ${CYAN}wordpress:${WP_LATEST}${RESET}"
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sed -E -i "s/ideasonpurpose\/wordpress:[0-9.]+/ideasonpurpose\/wordpress:${WP_LATEST}/" /app/boilerplate-tooling/docker-compose.yml
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echo -e "✅ Done!"

‎boilerplate-tooling/docker-compose.yml‎

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depends_on:
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- db
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# image: ideasonpurpose/wordpress:dev
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image: ideasonpurpose/wordpress:0.9.4
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image: ideasonpurpose/wordpress:5.9.1
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restart: always
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volumes:
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- wp_data:/var/www/html

‎docker-compose.yml‎

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services:
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# This service bumps the WordPress verion in the Dockerfile to the latest release.
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# See the bin/bump-wordpress.sh script for docs
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#
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# The shell script does three things:
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#
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# 1. Fetch the list of stable WordPress versions from the wordpress.org API
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# and store it in wp-version.json. The file is just something like this:
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# { "wordpress": "5.9.2" }
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# 2. Update the WordPress base image in the Dockerfile.
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# 3. Update the WordPress version in README.md.
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#
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# It also defines a few styling vars and echoes progress.
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#
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# The wp-version.json file should be commited to Git. The push-to-dockerhub
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# GitHub Action uses this file to generate tag names for the Docker Image.
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#
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# Notes: The jq image runs busybox, so sed uses a different flag for Extended Regex
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# Docker images names are not validated, it's possible the image hasn't
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# been created yet.
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#
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# https://hub.docker.com/r/realguess/jq
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# https://hub.docker.com/r/jetbrainsinfra/jq
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bump-wp:
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image: realguess/jq:1.4
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image: jetbrainsinfra/jq:latest
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volumes:
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- ./:/app
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command: |
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sh -c " RESET=\"\\033[0m\" RED=\"\\033[31m\" GOLD=\"\\033[33m\" CYAN=\"\\033[36m\"
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echo -e \"💫 Fetching releases from the $${CYAN}WordPress API$${RESET}.\" &&
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wget -q -O- http://api.wordpress.org/core/stable-check/1.0 > /tmp/wp.json &&
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echo -e \"👀 Found $${CYAN}$$(jq -r 'length' /tmp/wp.json)$${RESET} releases.\" &&
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jq '{wordpress: (to_entries[] | select(.value == \"latest\").key)}' /tmp/wp.json > /app/wp-version.json &&
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WP_LATEST=$$(jq -r '.wordpress' /app/wp-version.json) &&
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echo -e \"✏️ Updating $${GOLD}Dockerfile$${RESET} to $${CYAN}v$$(jq -r '.wordpress' /app/wp-version.json)$${RESET}.\" &&
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sed -i \"s/wordpress:.*-php8/wordpress:$${WP_LATEST}-php8/\" /app/Dockerfile &&
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echo -e \"✏️ Updating $${GOLD}README.md$${RESET} to $${CYAN}v$$(jq -r '.wordpress' /app/wp-version.json)$${RESET}.\" &&
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sed -r -i \"s/currently\\s+\\*\\*\\[v[0-9.]+\]/currently **[v$$WP_LATEST]/\" /app/README.md
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echo -e \"✅ Done!\""
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# TODO: Check DockerHub for existance of the latest release beffore continuing?
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# https://registry.hub.docker.com/v2/repositories/library/wordpress/tags/5.9.1
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# unknown tags return a 404:
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# https://registry.hub.docker.com/v2/repositories/library/wordpress/tags/7.9.4
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# sed -E -i "s/currently\s+\*\*\[[0-9.]+]/currently **[$WP_LATEST]/" README.md
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# https://registry.hub.docker.com/v1/repositories/wordpress/tags
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# https://registry.hub.docker.com/v2/repositories/library/wordpress/tags?page_size=100
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# cat wp.json| jq 'to_entries[] | select(.value == "latest") | { wordpress: .key, image: (.key + "-v")}' > wp-latest.json
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# jq -s '.[0] * (.[1] | {version})' wp-latest.json package.json
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# jq -s '.[0] * .[1] | {wordpress, image: (.wordpress + "-v" + .version)}' wp-latest.json package.json
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# jq -s '(.[0].to_entries[] | select(.value == "latest")) * .[1]' wp.json package.json
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# jq -s '{wordpress: .[0] | to_entries[] | select(.value == "latest").key, version: .[1].version } | {wordpress, image: (.wordpress + "-v" + .version)}' wp.json package.json
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# {
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# "wordpress": "5.9.2",
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# "image": "5.9.2-v0.8.1"
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# }
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# jq -s '
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# {
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# wordpress: .[0]
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# | to_entries[]
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# | select(.value == \"latest\").key,
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# version: .[1].version
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# } | {
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# wordpress,
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# image: (.wordpress + \"-v\" + .version)}' \\
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# /tmp/wp.json /app/package.json > /app/release.json &&
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# WP_LATEST=$$(jq -r '.wordpress' /app/release.json) &&
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# 1. Fetch list of stable WordPress versions from the wordpress.org api
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# 2. Parse the API result and generate a JSON metadata file in containing
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# the latest WordPress version and a full image name from the combined
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# WordPress version and the project's version from package.json
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# 3. Fetches the latest WordPress release from the JSON file and updates
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# the base image in the DockerFile.
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#
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#
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# The generated /tmp/release.json file looks like this:
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# {
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# "wordpress": "5.9.2",
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# "image": "5.9.2-v0.8.1"
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# }
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sh /app/bin/bump-wordpress.sh

‎package.json‎

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"bin/pull.sh",
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"bin/wp-init.sh",
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"boilerplate-tooling/docker-compose-util.yml",
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"boilerplate-tooling/docker-compose.yml",
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"Dockerfile",
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"README.md"
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]

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