822590dcf6
[mproxy](https://github.com/basecamp/parachute) is a custom minimal proxy designed specifically for Kamal. It has two big advantages over Traefik: 1. Imperative deployments - we tell it to switch from container A to container B, and it waits for container B to start then switches. No need to poll for health checks ourselves or mess around with forcing health checks to fail. 2. Support for multiple apps - as much as possible, configuration is supplied at runtime by the deploy command, allowing us to have multiple apps share an instance of mproxy without conflicting config.
414 lines
22 KiB
Ruby
414 lines
22 KiB
Ruby
require "test_helper"
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class CommandsAppTest < ActiveSupport::TestCase
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setup do
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ENV["RAILS_MASTER_KEY"] = "456"
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Kamal::Configuration.any_instance.stubs(:run_id).returns("12345678901234567890123456789012")
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@config = { service: "app", image: "dhh/app", registry: { "username" => "dhh", "password" => "secret" }, servers: [ "1.1.1.1" ], env: { "secret" => [ "RAILS_MASTER_KEY" ] } }
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end
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teardown do
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ENV.delete("RAILS_MASTER_KEY")
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end
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test "run" do
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assert_equal \
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"docker run --detach --restart unless-stopped --name app-web-999 -e KAMAL_CONTAINER_NAME=\"app-web-999\" -e KAMAL_VERSION=\"999\" --env-file .kamal/env/roles/app-web.env --log-opt max-size=\"10m\" --label service=\"app\" --label role=\"web\" --label destination dhh/app:999",
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new_command.run.join(" ")
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end
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test "run with hostname" do
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assert_equal \
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"docker run --detach --restart unless-stopped --name app-web-999 --hostname myhost -e KAMAL_CONTAINER_NAME=\"app-web-999\" -e KAMAL_VERSION=\"999\" --env-file .kamal/env/roles/app-web.env --log-opt max-size=\"10m\" --label service=\"app\" --label role=\"web\" --label destination dhh/app:999",
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new_command.run(hostname: "myhost").join(" ")
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end
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test "run with volumes" do
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@config[:volumes] = [ "/local/path:/container/path" ]
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assert_equal \
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"docker run --detach --restart unless-stopped --name app-web-999 -e KAMAL_CONTAINER_NAME=\"app-web-999\" -e KAMAL_VERSION=\"999\" --env-file .kamal/env/roles/app-web.env --log-opt max-size=\"10m\" --volume /local/path:/container/path --label service=\"app\" --label role=\"web\" --label destination dhh/app:999",
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new_command.run.join(" ")
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end
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test "run with custom options" do
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@config[:servers] = { "web" => [ "1.1.1.1" ], "jobs" => { "hosts" => [ "1.1.1.2" ], "cmd" => "bin/jobs", "options" => { "mount" => "somewhere", "cap-add" => true } } }
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assert_equal \
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"docker run --detach --restart unless-stopped --name app-jobs-999 -e KAMAL_CONTAINER_NAME=\"app-jobs-999\" -e KAMAL_VERSION=\"999\" --env-file .kamal/env/roles/app-jobs.env --log-opt max-size=\"10m\" --label service=\"app\" --label role=\"jobs\" --label destination --mount \"somewhere\" --cap-add dhh/app:999 bin/jobs",
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new_command(role: "jobs", host: "1.1.1.2").run.join(" ")
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end
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test "run with logging config" do
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@config[:logging] = { "driver" => "local", "options" => { "max-size" => "100m", "max-file" => "3" } }
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assert_equal \
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"docker run --detach --restart unless-stopped --name app-web-999 -e KAMAL_CONTAINER_NAME=\"app-web-999\" -e KAMAL_VERSION=\"999\" --env-file .kamal/env/roles/app-web.env --log-driver \"local\" --log-opt max-size=\"100m\" --log-opt max-file=\"3\" --label service=\"app\" --label role=\"web\" --label destination dhh/app:999",
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new_command.run.join(" ")
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end
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test "run with role logging config" do
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@config[:logging] = { "driver" => "local", "options" => { "max-size" => "10m", "max-file" => "3" } }
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@config[:servers] = { "web" => { "hosts" => [ "1.1.1.1" ], "logging" => { "driver" => "local", "options" => { "max-size" => "100m" } } } }
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assert_equal \
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"docker run --detach --restart unless-stopped --name app-web-999 -e KAMAL_CONTAINER_NAME=\"app-web-999\" -e KAMAL_VERSION=\"999\" --env-file .kamal/env/roles/app-web.env --log-driver \"local\" --log-opt max-size=\"100m\" --log-opt max-file=\"3\" --label service=\"app\" --label role=\"web\" --label destination dhh/app:999",
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new_command.run.join(" ")
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end
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test "run with tags" do
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@config[:servers] = [ { "1.1.1.1" => "tag1" } ]
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@config[:env]["tags"] = { "tag1" => { "ENV1" => "value1" } }
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assert_equal \
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"docker run --detach --restart unless-stopped --name app-web-999 -e KAMAL_CONTAINER_NAME=\"app-web-999\" -e KAMAL_VERSION=\"999\" --env-file .kamal/env/roles/app-web.env --env ENV1=\"value1\" --log-opt max-size=\"10m\" --label service=\"app\" --label role=\"web\" --label destination dhh/app:999",
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new_command.run.join(" ")
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end
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test "start" do
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assert_equal \
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"docker start app-web-999",
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new_command.start.join(" ")
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end
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test "start with destination" do
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@destination = "staging"
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assert_equal \
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"docker start app-web-staging-999",
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new_command.start.join(" ")
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end
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test "stop" do
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assert_equal \
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"sh -c 'docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(docker image ls --filter reference=dhh/app:latest --format '\\''{{.ID}}'\\'') ; docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting' | head -1 | xargs docker stop",
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new_command.stop.join(" ")
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end
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test "stop with custom stop wait time" do
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@config[:stop_wait_time] = 30
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assert_equal \
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"sh -c 'docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(docker image ls --filter reference=dhh/app:latest --format '\\''{{.ID}}'\\'') ; docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting' | head -1 | xargs docker stop -t 30",
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new_command.stop.join(" ")
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end
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test "stop with version" do
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assert_equal \
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"docker container ls --all --filter name=^app-web-123$ --quiet | xargs docker stop",
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new_command.stop(version: "123").join(" ")
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end
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test "info" do
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assert_equal \
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"docker ps --filter label=service=app --filter label=role=web",
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new_command.info.join(" ")
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end
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test "info with destination" do
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@destination = "staging"
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assert_equal \
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"docker ps --filter label=service=app --filter label=destination=staging --filter label=role=web",
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new_command.info.join(" ")
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end
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test "logs" do
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assert_equal \
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"sh -c 'docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(docker image ls --filter reference=dhh/app:latest --format '\\''{{.ID}}'\\'') ; docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting' | head -1 | xargs docker logs 2>&1",
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new_command.logs.join(" ")
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assert_equal \
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"sh -c 'docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(docker image ls --filter reference=dhh/app:latest --format '\\''{{.ID}}'\\'') ; docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting' | head -1 | xargs docker logs --since 5m 2>&1",
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new_command.logs(since: "5m").join(" ")
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assert_equal \
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"sh -c 'docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(docker image ls --filter reference=dhh/app:latest --format '\\''{{.ID}}'\\'') ; docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting' | head -1 | xargs docker logs --tail 100 2>&1",
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new_command.logs(lines: "100").join(" ")
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assert_equal \
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"sh -c 'docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(docker image ls --filter reference=dhh/app:latest --format '\\''{{.ID}}'\\'') ; docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting' | head -1 | xargs docker logs --since 5m --tail 100 2>&1",
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new_command.logs(since: "5m", lines: "100").join(" ")
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assert_equal \
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"sh -c 'docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(docker image ls --filter reference=dhh/app:latest --format '\\''{{.ID}}'\\'') ; docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting' | head -1 | xargs docker logs 2>&1 | grep 'my-id'",
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new_command.logs(grep: "my-id").join(" ")
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assert_equal \
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"sh -c 'docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(docker image ls --filter reference=dhh/app:latest --format '\\''{{.ID}}'\\'') ; docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting' | head -1 | xargs docker logs --since 5m 2>&1 | grep 'my-id'",
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new_command.logs(since: "5m", grep: "my-id").join(" ")
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end
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test "follow logs" do
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assert_equal \
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"ssh -t root@app-1 -p 22 'sh -c '\\''docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(docker image ls --filter reference=dhh/app:latest --format '\\''\\'\\'''\\''{{.ID}}'\\''\\'\\'''\\'') ; docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting'\\'' | head -1 | xargs docker logs --timestamps --follow 2>&1'",
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new_command.follow_logs(host: "app-1")
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assert_equal \
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"ssh -t root@app-1 -p 22 'sh -c '\\''docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(docker image ls --filter reference=dhh/app:latest --format '\\''\\'\\'''\\''{{.ID}}'\\''\\'\\'''\\'') ; docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting'\\'' | head -1 | xargs docker logs --timestamps --follow 2>&1 | grep \"Completed\"'",
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new_command.follow_logs(host: "app-1", grep: "Completed")
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assert_equal \
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"ssh -t root@app-1 -p 22 'sh -c '\\''docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(docker image ls --filter reference=dhh/app:latest --format '\\''\\'\\'''\\''{{.ID}}'\\''\\'\\'''\\'') ; docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting'\\'' | head -1 | xargs docker logs --timestamps --tail 123 --follow 2>&1'",
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new_command.follow_logs(host: "app-1", lines: 123)
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assert_equal \
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"ssh -t root@app-1 -p 22 'sh -c '\\''docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(docker image ls --filter reference=dhh/app:latest --format '\\''\\'\\'''\\''{{.ID}}'\\''\\'\\'''\\'') ; docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting'\\'' | head -1 | xargs docker logs --timestamps --tail 123 --follow 2>&1 | grep \"Completed\"'",
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new_command.follow_logs(host: "app-1", lines: 123, grep: "Completed")
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end
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test "execute in new container" do
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assert_equal \
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"docker run --rm --env-file .kamal/env/roles/app-web.env dhh/app:999 bin/rails db:setup",
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new_command.execute_in_new_container("bin/rails", "db:setup", env: {}).join(" ")
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end
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test "execute in new container with env" do
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assert_equal \
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"docker run --rm --env-file .kamal/env/roles/app-web.env --env foo=\"bar\" dhh/app:999 bin/rails db:setup",
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new_command.execute_in_new_container("bin/rails", "db:setup", env: { "foo" => "bar" }).join(" ")
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end
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test "execute in new container with tags" do
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@config[:servers] = [ { "1.1.1.1" => "tag1" } ]
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@config[:env]["tags"] = { "tag1" => { "ENV1" => "value1" } }
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assert_equal \
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"docker run --rm --env-file .kamal/env/roles/app-web.env --env ENV1=\"value1\" dhh/app:999 bin/rails db:setup",
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new_command.execute_in_new_container("bin/rails", "db:setup", env: {}).join(" ")
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end
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test "execute in new container with custom options" do
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@config[:servers] = { "web" => { "hosts" => [ "1.1.1.1" ], "options" => { "mount" => "somewhere", "cap-add" => true } } }
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assert_equal \
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"docker run --rm --env-file .kamal/env/roles/app-web.env --mount \"somewhere\" --cap-add dhh/app:999 bin/rails db:setup",
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new_command.execute_in_new_container("bin/rails", "db:setup", env: {}).join(" ")
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end
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test "execute in existing container" do
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assert_equal \
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"docker exec app-web-999 bin/rails db:setup",
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new_command.execute_in_existing_container("bin/rails", "db:setup", env: {}).join(" ")
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end
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test "execute in existing container with env" do
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assert_equal \
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"docker exec --env foo=\"bar\" app-web-999 bin/rails db:setup",
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new_command.execute_in_existing_container("bin/rails", "db:setup", env: { "foo" => "bar" }).join(" ")
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end
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test "execute in new container over ssh" do
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assert_match %r{docker run -it --rm --env-file .kamal/env/roles/app-web.env dhh/app:999 bin/rails c},
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new_command.execute_in_new_container_over_ssh("bin/rails", "c", env: {})
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end
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test "execute in new container over ssh with tags" do
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@config[:servers] = [ { "1.1.1.1" => "tag1" } ]
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@config[:env]["tags"] = { "tag1" => { "ENV1" => "value1" } }
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assert_equal "ssh -t root@1.1.1.1 -p 22 'docker run -it --rm --env-file .kamal/env/roles/app-web.env --env ENV1=\"value1\" dhh/app:999 bin/rails c'",
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new_command.execute_in_new_container_over_ssh("bin/rails", "c", env: {})
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end
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test "execute in new container with custom options over ssh" do
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@config[:servers] = { "web" => { "hosts" => [ "1.1.1.1" ], "options" => { "mount" => "somewhere", "cap-add" => true } } }
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assert_match %r{docker run -it --rm --env-file .kamal/env/roles/app-web.env --mount \"somewhere\" --cap-add dhh/app:999 bin/rails c},
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new_command.execute_in_new_container_over_ssh("bin/rails", "c", env: {})
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end
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test "execute in existing container over ssh" do
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assert_match %r{docker exec -it app-web-999 bin/rails c},
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new_command.execute_in_existing_container_over_ssh("bin/rails", "c", env: {})
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end
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test "run over ssh" do
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assert_equal "ssh -t root@1.1.1.1 -p 22 'ls'", new_command.run_over_ssh("ls", host: "1.1.1.1")
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end
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test "run over ssh with custom user" do
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@config[:ssh] = { "user" => "app" }
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assert_equal "ssh -t app@1.1.1.1 -p 22 'ls'", new_command.run_over_ssh("ls", host: "1.1.1.1")
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end
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test "run over ssh with custom port" do
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@config[:ssh] = { "port" => "2222" }
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assert_equal "ssh -t root@1.1.1.1 -p 2222 'ls'", new_command.run_over_ssh("ls", host: "1.1.1.1")
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end
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test "run over ssh with proxy" do
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@config[:ssh] = { "proxy" => "2.2.2.2" }
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assert_equal "ssh -J root@2.2.2.2 -t root@1.1.1.1 -p 22 'ls'", new_command.run_over_ssh("ls", host: "1.1.1.1")
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end
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test "run over ssh with proxy user" do
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@config[:ssh] = { "proxy" => "app@2.2.2.2" }
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assert_equal "ssh -J app@2.2.2.2 -t root@1.1.1.1 -p 22 'ls'", new_command.run_over_ssh("ls", host: "1.1.1.1")
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end
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test "run over ssh with custom user with proxy" do
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@config[:ssh] = { "user" => "app", "proxy" => "2.2.2.2" }
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assert_equal "ssh -J root@2.2.2.2 -t app@1.1.1.1 -p 22 'ls'", new_command.run_over_ssh("ls", host: "1.1.1.1")
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end
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test "run over ssh with proxy_command" do
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@config[:ssh] = { "proxy_command" => "ssh -W %h:%p user@proxy-server" }
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assert_equal "ssh -o ProxyCommand='ssh -W %h:%p user@proxy-server' -t root@1.1.1.1 -p 22 'ls'", new_command.run_over_ssh("ls", host: "1.1.1.1")
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end
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test "current_running_container_id" do
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assert_equal \
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"sh -c 'docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(docker image ls --filter reference=dhh/app:latest --format '\\''{{.ID}}'\\'') ; docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting' | head -1",
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new_command.current_running_container_id.join(" ")
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end
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test "current_running_container_id with destination" do
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@destination = "staging"
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assert_equal \
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"sh -c 'docker ps --latest --quiet --filter label=service=app --filter label=destination=staging --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(docker image ls --filter reference=dhh/app:latest-staging --format '\\''{{.ID}}'\\'') ; docker ps --latest --quiet --filter label=service=app --filter label=destination=staging --filter label=role=web --filter status=running --filter status=restarting' | head -1",
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new_command.current_running_container_id.join(" ")
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end
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test "container_id_for" do
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assert_equal \
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"docker container ls --all --filter name=^app-999$ --quiet",
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new_command.container_id_for(container_name: "app-999").join(" ")
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end
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test "current_running_version" do
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assert_equal \
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"sh -c 'docker ps --latest --format '\\''{{.Names}}'\\'' --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(docker image ls --filter reference=dhh/app:latest --format '\\''{{.ID}}'\\'') ; docker ps --latest --format '\\''{{.Names}}'\\'' --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting' | head -1 | while read line; do echo ${line#app-web-}; done",
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new_command.current_running_version.join(" ")
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end
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test "list_versions" do
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assert_equal \
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"docker ps --filter label=service=app --filter label=role=web --format \"{{.Names}}\" | while read line; do echo ${line#app-web-}; done",
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new_command.list_versions.join(" ")
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assert_equal \
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"docker ps --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --latest --format \"{{.Names}}\" | while read line; do echo ${line#app-web-}; done",
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new_command.list_versions("--latest", statuses: [ :running, :restarting ]).join(" ")
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end
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test "list_containers" do
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assert_equal \
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"docker container ls --all --filter label=service=app --filter label=role=web",
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new_command.list_containers.join(" ")
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end
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test "list_containers with destination" do
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@destination = "staging"
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assert_equal \
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|
"docker container ls --all --filter label=service=app --filter label=destination=staging --filter label=role=web",
|
|
new_command.list_containers.join(" ")
|
|
end
|
|
|
|
test "list_container_names" do
|
|
assert_equal \
|
|
"docker container ls --all --filter label=service=app --filter label=role=web --format '{{ .Names }}'",
|
|
new_command.list_container_names.join(" ")
|
|
end
|
|
|
|
test "remove_container" do
|
|
assert_equal \
|
|
"docker container ls --all --filter name=^app-web-999$ --quiet | xargs docker container rm",
|
|
new_command.remove_container(version: "999").join(" ")
|
|
end
|
|
|
|
test "remove_container with destination" do
|
|
@destination = "staging"
|
|
assert_equal \
|
|
"docker container ls --all --filter name=^app-web-staging-999$ --quiet | xargs docker container rm",
|
|
new_command.remove_container(version: "999").join(" ")
|
|
end
|
|
|
|
test "remove_containers" do
|
|
assert_equal \
|
|
"docker container prune --force --filter label=service=app --filter label=role=web",
|
|
new_command.remove_containers.join(" ")
|
|
end
|
|
|
|
test "remove_containers with destination" do
|
|
@destination = "staging"
|
|
assert_equal \
|
|
"docker container prune --force --filter label=service=app --filter label=destination=staging --filter label=role=web",
|
|
new_command.remove_containers.join(" ")
|
|
end
|
|
|
|
test "list_images" do
|
|
assert_equal \
|
|
"docker image ls dhh/app",
|
|
new_command.list_images.join(" ")
|
|
end
|
|
|
|
test "remove_images" do
|
|
assert_equal \
|
|
"docker image prune --all --force --filter label=service=app --filter label=role=web",
|
|
new_command.remove_images.join(" ")
|
|
end
|
|
|
|
test "remove_images with destination" do
|
|
@destination = "staging"
|
|
assert_equal \
|
|
"docker image prune --all --force --filter label=service=app --filter label=destination=staging --filter label=role=web",
|
|
new_command.remove_images.join(" ")
|
|
end
|
|
|
|
test "tag_latest_image" do
|
|
assert_equal \
|
|
"docker tag dhh/app:999 dhh/app:latest",
|
|
new_command.tag_latest_image.join(" ")
|
|
end
|
|
|
|
test "tag_latest_image with destination" do
|
|
@destination = "staging"
|
|
assert_equal \
|
|
"docker tag dhh/app:999 dhh/app:latest-staging",
|
|
new_command.tag_latest_image.join(" ")
|
|
end
|
|
|
|
test "make_env_directory" do
|
|
assert_equal "mkdir -p .kamal/env/roles", new_command.make_env_directory.join(" ")
|
|
end
|
|
|
|
test "remove_env_file" do
|
|
assert_equal "rm -f .kamal/env/roles/app-web.env", new_command.remove_env_file.join(" ")
|
|
end
|
|
|
|
test "extract assets" do
|
|
assert_equal [
|
|
:mkdir, "-p", ".kamal/assets/extracted/app-web-999", "&&",
|
|
:docker, :stop, "-t 1", "app-web-assets", "2> /dev/null", "|| true", "&&",
|
|
:docker, :run, "--name", "app-web-assets", "--detach", "--rm", "dhh/app:999", "sleep 1000000", "&&",
|
|
:docker, :cp, "-L", "app-web-assets:/public/assets/.", ".kamal/assets/extracted/app-web-999", "&&",
|
|
:docker, :stop, "-t 1", "app-web-assets"
|
|
], new_command(asset_path: "/public/assets").extract_assets
|
|
end
|
|
|
|
test "sync asset volumes" do
|
|
assert_equal [
|
|
:mkdir, "-p", ".kamal/assets/volumes/app-web-999", ";",
|
|
:cp, "-rnT", ".kamal/assets/extracted/app-web-999", ".kamal/assets/volumes/app-web-999"
|
|
], new_command(asset_path: "/public/assets").sync_asset_volumes
|
|
|
|
assert_equal [
|
|
:mkdir, "-p", ".kamal/assets/volumes/app-web-999", ";",
|
|
:cp, "-rnT", ".kamal/assets/extracted/app-web-999", ".kamal/assets/volumes/app-web-999", ";",
|
|
:cp, "-rnT", ".kamal/assets/extracted/app-web-999", ".kamal/assets/volumes/app-web-998", "|| true", ";",
|
|
:cp, "-rnT", ".kamal/assets/extracted/app-web-998", ".kamal/assets/volumes/app-web-999", "|| true"
|
|
], new_command(asset_path: "/public/assets").sync_asset_volumes(old_version: 998)
|
|
end
|
|
|
|
test "clean up assets" do
|
|
assert_equal [
|
|
:find, ".kamal/assets/extracted", "-maxdepth 1", "-name", "'app-web-*'", "!", "-name", "app-web-999", "-exec rm -rf \"{}\" +", ";",
|
|
:find, ".kamal/assets/volumes", "-maxdepth 1", "-name", "'app-web-*'", "!", "-name", "app-web-999", "-exec rm -rf \"{}\" +"
|
|
], new_command(asset_path: "/public/assets").clean_up_assets
|
|
end
|
|
|
|
private
|
|
def new_command(role: "web", host: "1.1.1.1", **additional_config)
|
|
config = Kamal::Configuration.new(@config.merge(additional_config), destination: @destination, version: "999")
|
|
Kamal::Commands::App.new(config, role: config.role(role), host: host)
|
|
end
|
|
end
|