spacebar/kamal
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Call app:boot to rollback

Browse Source 
The code in Mrsk::Cli::Main#rollback was very similar to
Mrsk::Cli::App#boot.

Modify Mrsk::Cli::App#boot so it can handle rollbacks by:
1. Only renaming running containers
2. Trying first to start then run the new container
This commit is contained in:
Donal McBreen
2023-05-05 09:50:27 +01:00
parent 059388cb02
commit ee25f200d7
6 changed files with 86 additions and 100 deletions
Download Patch File Download Diff File Expand all files Collapse all files

62
test/cli/main_test.rb
View File

@@ -80,23 +80,6 @@ class CliMainTest < CliTestCase
end
end
test "deploy errors during critical section leave lock in place" do
invoke_options = { "config_file" => "test/fixtures/deploy_simple.yml", "skip_broadcast" => false, "version" => "999" }
Mrsk::Cli::Main.any_instance.expects(:invoke).with("mrsk:cli:registry:login", [], invoke_options)
Mrsk::Cli::Main.any_instance.expects(:invoke).with("mrsk:cli:build:deliver", [], invoke_options)
Mrsk::Cli::Main.any_instance.expects(:invoke).with("mrsk:cli:app:stale_containers", [], invoke_options)
Mrsk::Cli::Main.any_instance.expects(:invoke).with("mrsk:cli:traefik:boot", [], invoke_options)
Mrsk::Cli::Main.any_instance.expects(:invoke).with("mrsk:cli:healthcheck:perform", [], invoke_options)
Mrsk::Cli::Main.any_instance.expects(:invoke).with("mrsk:cli:app:boot", [], invoke_options).raises(RuntimeError)
assert !MRSK.holding_lock?
assert_raises(RuntimeError) do
stderred { run_command("deploy") }
end
assert MRSK.holding_lock?
end
test "deploy errors during outside section leave remove lock" do
invoke_options = { "config_file" => "test/fixtures/deploy_simple.yml", "skip_broadcast" => false, "version" => "999" }
@@ -151,22 +134,24 @@ class CliMainTest < CliTestCase
end
test "rollback good version" do
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--all", "--filter", "name=^app-web-123$", "--quiet")
.returns("version-to-rollback\n").at_least_once
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--all", "--filter", "name=^app-workers-123$", "--quiet")
.returns("version-to-rollback\n").at_least_once
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :ps, "--filter", "label=service=app", "--filter", "label=role=web", "--filter", "status=running", "--latest", "--format", "\"{{.Names}}\"", "|", "grep -oE \"\\-[^-]+$\"", "|", "cut -c 2-")
.returns("version-to-rollback\n").at_least_once
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :ps, "--filter", "label=service=app", "--filter", "label=role=workers", "--filter", "status=running", "--latest", "--format", "\"{{.Names}}\"", "|", "grep -oE \"\\-[^-]+$\"", "|", "cut -c 2-")
.returns("version-to-rollback\n").at_least_once
[ "web", "workers" ].each do |role|
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--filter", "name=^app-#{role}-123$", "--quiet", raise_on_non_zero_exit: false)
.returns("").at_least_once
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--all", "--filter", "name=^app-#{role}-123$", "--quiet")
.returns("version-to-rollback\n").at_least_once
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :ps, "--filter", "label=service=app", "--filter", "label=role=#{role}", "--filter", "status=running", "--latest", "--format", "\"{{.Names}}\"", "|", "grep -oE \"\\-[^-]+$\"", "|", "cut -c 2-", raise_on_non_zero_exit: false)
.returns("version-to-rollback\n").at_least_once
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--all", "--filter", "name=^app-#{role}-123$", "--quiet", "|", :xargs, :docker, :inspect, "--format", "'{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}'")
.returns("running").at_least_once # health check
end
run_command("rollback", "123", config_file: "deploy_with_accessories").tap do |output|
assert_match "Start version 123", output
assert_match "Start container with version 123", output
assert_match "docker tag dhh/app:123 dhh/app:latest", output
assert_match "docker start app-web-123", output
assert_match "docker container ls --all --filter name=^app-web-version-to-rollback$ --quiet | xargs docker stop", output, "Should stop the container that was previously running"
@@ -175,11 +160,22 @@ class CliMainTest < CliTestCase
test "rollback without old version" do
Mrsk::Cli::Main.any_instance.stubs(:container_available?).returns(true)
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info).with(:docker, :ps, "--filter", "label=service=app", "--filter", "label=role=web", "--filter", "status=running", "--latest", "--format", "\"{{.Names}}\"", "|", "grep -oE \"\\-[^-]+$\"", "|", "cut -c 2-").returns("").at_least_once
Mrsk::Utils::HealthcheckPoller.stubs(:sleep)
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--filter", "name=^app-web-123$", "--quiet", raise_on_non_zero_exit: false)
.returns("").at_least_once
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :ps, "--filter", "label=service=app", "--filter", "label=role=web", "--filter", "status=running", "--latest", "--format", "\"{{.Names}}\"", "|", "grep -oE \"\\-[^-]+$\"", "|", "cut -c 2-", raise_on_non_zero_exit: false)
.returns("").at_least_once
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--all", "--filter", "name=^app-web-123$", "--quiet", "|", :xargs, :docker, :inspect, "--format", "'{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}'")
.returns("running").at_least_once # health check
run_command("rollback", "123").tap do |output|
assert_match "Start version 123", output
assert_match "docker start app-web-123", output
assert_match "Start container with version 123", output
assert_match "docker start app-web-123 || docker run --detach --restart unless-stopped --name app-web-123", output
assert_no_match "docker stop", output
end
end