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Add kamal proxy update

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For easy updates from Traefik to kamal-proxy, add `kamal proxy update`.

This stops and removes Traefik and kamal-proxy containers (just in case
it is run after an update). Then it starts kamal-proxy and calls
`kamal-proxy deploy` to route to any app containers that are already
running.

It can be run with a rolling option and calls the `pre-proxy-reboot` and
`post-proxy-reboot` hooks for each host.
This commit is contained in:
Donal McBreen
2024-05-28 15:19:27 +01:00
parent 6568cef868
commit 015c5a6f90
3 changed files with 72 additions and 6 deletions
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22
test/cli/proxy_test.rb
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@@ -87,6 +87,28 @@ class CliProxyTest < CliTestCase
end
end
test "update" do
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--all", "--filter", "name=^app-web-123$", "--quiet", "|", :xargs, :docker, :inspect, "--format", "'{{.NetworkSettings.IPAddress}}{{range $k, $v := .NetworkSettings.Ports}}{{printf \":%s\" $k}}{{break}}{{end}}'", "|", :sed, "-e", "'s/\\/tcp$//'")
.returns("172.1.0.2:80")
.at_least_once
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with { |*args| args[0..1] == [ :sh, "-c" ] }
.returns("123")
.at_least_once
run_command("update", "-y").tap do |output|
assert_match "docker container stop traefik", output
assert_match "docker container prune --force --filter label=org.opencontainers.image.title=traefik", output
assert_match "docker image prune --all --force --filter label=org.opencontainers.image.title=traefik", output
assert_match "docker container stop kamal-proxy", output
assert_match "docker container prune --force --filter label=org.opencontainers.image.title=kamal-proxy", output
assert_match "docker run --name kamal-proxy --detach --restart unless-stopped --publish 80:80 --publish 443:443 --volume /var/run/docker.sock:/var/run/docker.sock --volume kamal-proxy:/root/.config/kamal-proxy --log-opt max-size=\"10m\" #{Kamal::Configuration::Proxy::DEFAULT_IMAGE}", output
assert_match "docker exec kamal-proxy kamal-proxy deploy app-web --target \"172.1.0.2:80\"", output
end
end
private
def run_command(*command)
stdouted { Kamal::Cli::Proxy.start([ *command, "-c", "test/fixtures/deploy_with_accessories.yml" ]) }