diff --git a/.kamal/hooks/docker-setup.sample b/.kamal/hooks/docker-setup.sample new file mode 100755 index 00000000..d914913d --- /dev/null +++ b/.kamal/hooks/docker-setup.sample @@ -0,0 +1,13 @@ +#!/usr/bin/env ruby + +# A sample docker-setup hook +# +# Sets up a Docker network on defined hosts which can then be used by the application’s containers + +hosts = ENV["KAMAL_HOSTS"].split(",") + +hosts.each do |ip| + destination = "root@#{ip}" + puts "Creating a Docker network \"kamal\" on #{destination}" + `ssh #{destination} docker network create kamal` +end diff --git a/.kamal/hooks/post-deploy.sample b/.kamal/hooks/post-deploy.sample new file mode 100755 index 00000000..75efafc1 --- /dev/null +++ b/.kamal/hooks/post-deploy.sample @@ -0,0 +1,14 @@ +#!/bin/sh + +# A sample post-deploy hook +# +# These environment variables are available: +# KAMAL_RECORDED_AT +# KAMAL_PERFORMER +# KAMAL_VERSION +# KAMAL_HOSTS +# KAMAL_ROLE (if set) +# KAMAL_DESTINATION (if set) +# KAMAL_RUNTIME + +echo "$KAMAL_PERFORMER deployed $KAMAL_VERSION to $KAMAL_DESTINATION in $KAMAL_RUNTIME seconds" diff --git a/.kamal/hooks/post-traefik-reboot.sample b/.kamal/hooks/post-traefik-reboot.sample new file mode 100755 index 00000000..e3d9e3cc --- /dev/null +++ b/.kamal/hooks/post-traefik-reboot.sample @@ -0,0 +1,3 @@ +#!/bin/sh + +echo "Rebooted Traefik on $KAMAL_HOSTS" diff --git a/.kamal/hooks/pre-build.sample b/.kamal/hooks/pre-build.sample new file mode 100755 index 00000000..f87d8113 --- /dev/null +++ b/.kamal/hooks/pre-build.sample @@ -0,0 +1,51 @@ +#!/bin/sh + +# A sample pre-build hook +# +# Checks: +# 1. We have a clean checkout +# 2. A remote is configured +# 3. The branch has been pushed to the remote +# 4. The version we are deploying matches the remote +# +# These environment variables are available: +# KAMAL_RECORDED_AT +# KAMAL_PERFORMER +# KAMAL_VERSION +# KAMAL_HOSTS +# KAMAL_ROLE (if set) +# KAMAL_DESTINATION (if set) + +if [ -n "$(git status --porcelain)" ]; then + echo "Git checkout is not clean, aborting..." >&2 + git status --porcelain >&2 + exit 1 +fi + +first_remote=$(git remote) + +if [ -z "$first_remote" ]; then + echo "No git remote set, aborting..." >&2 + exit 1 +fi + +current_branch=$(git branch --show-current) + +if [ -z "$current_branch" ]; then + echo "Not on a git branch, aborting..." >&2 + exit 1 +fi + +remote_head=$(git ls-remote $first_remote --tags $current_branch | cut -f1) + +if [ -z "$remote_head" ]; then + echo "Branch not pushed to remote, aborting..." >&2 + exit 1 +fi + +if [ "$KAMAL_VERSION" != "$remote_head" ]; then + echo "Version ($KAMAL_VERSION) does not match remote HEAD ($remote_head), aborting..." >&2 + exit 1 +fi + +exit 0 diff --git a/.kamal/hooks/pre-connect.sample b/.kamal/hooks/pre-connect.sample new file mode 100755 index 00000000..18e61d7e --- /dev/null +++ b/.kamal/hooks/pre-connect.sample @@ -0,0 +1,47 @@ +#!/usr/bin/env ruby + +# A sample pre-connect check +# +# Warms DNS before connecting to hosts in parallel +# +# These environment variables are available: +# KAMAL_RECORDED_AT +# KAMAL_PERFORMER +# KAMAL_VERSION +# KAMAL_HOSTS +# KAMAL_ROLE (if set) +# KAMAL_DESTINATION (if set) +# KAMAL_RUNTIME + +hosts = ENV["KAMAL_HOSTS"].split(",") +results = nil +max = 3 + +elapsed = Benchmark.realtime do + results = hosts.map do |host| + Thread.new do + tries = 1 + + begin + Socket.getaddrinfo(host, 0, Socket::AF_UNSPEC, Socket::SOCK_STREAM, nil, Socket::AI_CANONNAME) + rescue SocketError + if tries < max + puts "Retrying DNS warmup: #{host}" + tries += 1 + sleep rand + retry + else + puts "DNS warmup failed: #{host}" + host + end + end + + tries + end + end.map(&:value) +end + +retries = results.sum - hosts.size +nopes = results.count { |r| r == max } + +puts "Prewarmed %d DNS lookups in %.2f sec: %d retries, %d failures" % [ hosts.size, elapsed, retries, nopes ] diff --git a/.kamal/hooks/pre-deploy.sample b/.kamal/hooks/pre-deploy.sample new file mode 100755 index 00000000..1b280c71 --- /dev/null +++ b/.kamal/hooks/pre-deploy.sample @@ -0,0 +1,109 @@ +#!/usr/bin/env ruby + +# A sample pre-deploy hook +# +# Checks the Github status of the build, waiting for a pending build to complete for up to 720 seconds. +# +# Fails unless the combined status is "success" +# +# These environment variables are available: +# KAMAL_RECORDED_AT +# KAMAL_PERFORMER +# KAMAL_VERSION +# KAMAL_HOSTS +# KAMAL_COMMAND +# KAMAL_SUBCOMMAND +# KAMAL_ROLE (if set) +# KAMAL_DESTINATION (if set) + +# Only check the build status for production deployments +if ENV["KAMAL_COMMAND"] == "rollback" || ENV["KAMAL_DESTINATION"] != "production" + exit 0 +end + +require "bundler/inline" + +# true = install gems so this is fast on repeat invocations +gemfile(true, quiet: true) do + source "https://rubygems.org" + + gem "octokit" + gem "faraday-retry" +end + +MAX_ATTEMPTS = 72 +ATTEMPTS_GAP = 10 + +def exit_with_error(message) + $stderr.puts message + exit 1 +end + +class GithubStatusChecks + attr_reader :remote_url, :git_sha, :github_client, :combined_status + + def initialize + @remote_url = `git config --get remote.origin.url`.strip.delete_prefix("https://github.com/") + @git_sha = `git rev-parse HEAD`.strip + @github_client = Octokit::Client.new(access_token: ENV["GITHUB_TOKEN"]) + refresh! + end + + def refresh! + @combined_status = github_client.combined_status(remote_url, git_sha) + end + + def state + combined_status[:state] + end + + def first_status_url + first_status = combined_status[:statuses].find { |status| status[:state] == state } + first_status && first_status[:target_url] + end + + def complete_count + combined_status[:statuses].count { |status| status[:state] != "pending"} + end + + def total_count + combined_status[:statuses].count + end + + def current_status + if total_count > 0 + "Completed #{complete_count}/#{total_count} checks, see #{first_status_url} ..." + else + "Build not started..." + end + end +end + + +$stdout.sync = true + +puts "Checking build status..." +attempts = 0 +checks = GithubStatusChecks.new + +begin + loop do + case checks.state + when "success" + puts "Checks passed, see #{checks.first_status_url}" + exit 0 + when "failure" + exit_with_error "Checks failed, see #{checks.first_status_url}" + when "pending" + attempts += 1 + end + + exit_with_error "Checks are still pending, gave up after #{MAX_ATTEMPTS * ATTEMPTS_GAP} seconds" if attempts == MAX_ATTEMPTS + + puts checks.current_status + sleep(ATTEMPTS_GAP) + checks.refresh! + end +rescue Octokit::NotFound + exit_with_error "Build status could not be found" +end diff --git a/.kamal/hooks/pre-traefik-reboot.sample b/.kamal/hooks/pre-traefik-reboot.sample new file mode 100755 index 00000000..8cfda6d9 --- /dev/null +++ b/.kamal/hooks/pre-traefik-reboot.sample @@ -0,0 +1,3 @@ +#!/bin/sh + +echo "Rebooting Traefik on $KAMAL_HOSTS..." diff --git a/config/credentials.yml.enc b/config/credentials.yml.enc index ed4eb50f..9d85baaf 100644 --- a/config/credentials.yml.enc +++ b/config/credentials.yml.enc @@ -1 +1 @@ -BZ7hJ1Q/E6O5OSrGEVEqVzH7xhDQ6/unNX6tY6eYmTCo+K8kymS70b/1fHFaZiYLbWqx4tc/73L0irvjg6W0wB5B+a8SCgvjo2wP1VqfFEeBNlPJI82ZJdBFkz30dsBgf1gw6Rraj3Ze4e/IcMJQo8UP8I5x+Ps2IPrEYGlhUHi8cBR8R11qIxHHattpfxqQ7M89C8l+hsjf793ZyLnt9TmFZdxWbxnBDdZHhYSpmJTVV34mFDP9qZ7hPYTGXzGqhpszIP+6l59pmTpyBO/Pq21eX7MpQi+XwZCCxTGAq5ih0TgiBwf9IAhiTgZ7/96vVYrcU+7h4KMnJk19hwl3NHXuaWo6uET3F8Munc/qTz/ShXxCX3zX2g57fyPkf6pzXA6QXGzf8flemmesGUjYJbKZX1VZ--tlJOD/9KN6MF1juj--IdnvUnXcOke5Wp5YlKghwg== \ No newline at end of file +irbDWudk4jCs1xkxpK/cNdd9UHkVP+Sk8XlMLXiFl4636ZMZQlGRIJLRcK7OS12gjeCDkS6Ac9/z0IwTyzT1yYp0Hdd8bDgwDS/0gK/2/kGjfAfz1fRaYc+KbMRMIERxpgdL4wceMxAaW2XvpM+POUzPIaJDFj5l5t1iLoEYbBhPI6AHLyxhivSKnmixowiA4gerDgTkXQ==--+44A5a8oAobbmQDx--E4wpoVDDrY0JE13R3AV2Gw== \ No newline at end of file diff --git a/config/deploy.yml b/config/deploy.yml new file mode 100644 index 00000000..4bcf762a --- /dev/null +++ b/config/deploy.yml @@ -0,0 +1,101 @@ +# Name of your application. Used to uniquely configure containers. +service: rails-world + +# Name of the container image. +image: sergeaf/rails-world + +# Deploy to these servers. +servers: + - 165.227.38.160 + +# To persist sqlite data, we need to mount a volume. +volumes: + - storage:/rails/storage + +# Credentials for your image host. +registry: + username: sergeaf + password: + - KAMAL_REGISTRY_PASSWORD + +# Inject ENV variables into containers (secrets come from .env). +# Remember to run `kamal env push` after making changes! +env: + clear: + RAILS_ENV: production + secret: + - RAILS_MASTER_KEY + +# Use a different ssh user than root +# ssh: +# user: app + +# Configure builder setup. +# builder: +# args: +# RUBY_VERSION: 3.2.0 +# secrets: +# - GITHUB_TOKEN +# remote: +# arch: amd64 +# host: ssh://app@192.168.0.1 + +# Use accessory services (secrets come from .env). +# accessories: +# db: +# image: mysql:8.0 +# host: 192.168.0.2 +# port: 3306 +# env: +# clear: +# MYSQL_ROOT_HOST: '%' +# secret: +# - MYSQL_ROOT_PASSWORD +# files: +# - config/mysql/production.cnf:/etc/mysql/my.cnf +# - db/production.sql:/docker-entrypoint-initdb.d/setup.sql +# directories: +# - data:/var/lib/mysql +# redis: +# image: redis:7.0 +# host: 192.168.0.2 +# port: 6379 +# directories: +# - data:/data + +# Configure custom arguments for Traefik. Be sure to reboot traefik when you modify it. +# traefik: +# args: +# accesslog: true +# accesslog.format: json + +# Configure a custom healthcheck (default is /up on port 3000) +# healthcheck: +# path: /healthz +# port: 4000 + +# Bridge fingerprinted assets, like JS and CSS, between versions to avoid +# hitting 404 on in-flight requests. Combines all files from new and old +# version inside the asset_path. +# +# If your app is using the Sprockets gem, ensure it sets `config.assets.manifest`. +# See https://github.com/basecamp/kamal/issues/626 for details +# +# asset_path: /rails/public/assets + +# Configure rolling deploys by setting a wait time between batches of restarts. +# boot: +# limit: 10 # Can also specify as a percentage of total hosts, such as "25%" +# wait: 2 + +# Configure the role used to determine the primary_host. This host takes +# deploy locks, runs health checks during the deploy, and follow logs, etc. +# +# Caution: there's no support for role renaming yet, so be careful to cleanup +# the previous role on the deployed hosts. +# primary_role: web + +# Controls if we abort when see a role with no hosts. Disabling this may be +# useful for more complex deploy configurations. +# +# allow_empty_roles: false