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healthcheck_test.rb
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healthcheck_test.rb
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require "test_helper"
class CommandsHealthcheckTest < ActiveSupport::TestCase
setup do
@config = {
service: "app", image: "dhh/app", registry: { "username" => "dhh", "password" => "secret" }, servers: [ "1.1.1.1" ],
traefik: { "args" => { "accesslog.format" => "json", "metrics.prometheus.buckets" => "0.1,0.3,1.2,5.0" } }
}
end
test "run" do
assert_equal \
"docker run --detach --name healthcheck-app-123 --publish 3999:3000 --label service=healthcheck-app -e KAMAL_CONTAINER_NAME=\"healthcheck-app\" --env-file .kamal/env/roles/app-web.env --health-cmd \"curl -f http://localhost:3000/up || exit 1\" --health-interval \"1s\" dhh/app:123",
new_command.run.join(" ")
end
test "run with custom port" do
@config[:healthcheck] = { "port" => 3001 }
assert_equal \
"docker run --detach --name healthcheck-app-123 --publish 3999:3001 --label service=healthcheck-app -e KAMAL_CONTAINER_NAME=\"healthcheck-app\" --env-file .kamal/env/roles/app-web.env --health-cmd \"curl -f http://localhost:3001/up || exit 1\" --health-interval \"1s\" dhh/app:123",
new_command.run.join(" ")
end
test "run with destination" do
@destination = "staging"
assert_equal \
"docker run --detach --name healthcheck-app-staging-123 --publish 3999:3000 --label service=healthcheck-app-staging -e KAMAL_CONTAINER_NAME=\"healthcheck-app-staging\" --env-file .kamal/env/roles/app-web-staging.env --health-cmd \"curl -f http://localhost:3000/up || exit 1\" --health-interval \"1s\" dhh/app:123",
new_command.run.join(" ")
end
test "run with custom healthcheck" do
@config[:healthcheck] = { "cmd" => "/bin/up" }
assert_equal \
"docker run --detach --name healthcheck-app-123 --publish 3999:3000 --label service=healthcheck-app -e KAMAL_CONTAINER_NAME=\"healthcheck-app\" --env-file .kamal/env/roles/app-web.env --health-cmd \"/bin/up\" --health-interval \"1s\" dhh/app:123",
new_command.run.join(" ")
end
test "run with custom options" do
@config[:servers] = { "web" => { "hosts" => [ "1.1.1.1" ], "options" => { "mount" => "somewhere" } } }
@config[:healthcheck] = { "exposed_port" => 4999 }
assert_equal \
"docker run --detach --name healthcheck-app-123 --publish 4999:3000 --label service=healthcheck-app -e KAMAL_CONTAINER_NAME=\"healthcheck-app\" --env-file .kamal/env/roles/app-web.env --health-cmd \"curl -f http://localhost:3000/up || exit 1\" --health-interval \"1s\" --mount \"somewhere\" dhh/app:123",
new_command.run.join(" ")
end
test "status" do
assert_equal \
"docker container ls --all --filter name=^healthcheck-app-123$ --quiet | xargs docker inspect --format '{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}'",
new_command.status.join(" ")
end
test "container_health_log" do
assert_equal \
"docker container ls --all --filter name=^healthcheck-app-123$ --quiet | xargs docker inspect --format '{{json .State.Health}}'",
new_command.container_health_log.join(" ")
end
test "stop" do
assert_equal \
"docker container ls --all --filter name=^healthcheck-app-123$ --quiet | xargs docker stop",
new_command.stop.join(" ")
end
test "stop with destination" do
@destination = "staging"
assert_equal \
"docker container ls --all --filter name=^healthcheck-app-staging-123$ --quiet | xargs docker stop",
new_command.stop.join(" ")
end
test "remove" do
assert_equal \
"docker container ls --all --filter name=^healthcheck-app-123$ --quiet | xargs docker container rm",
new_command.remove.join(" ")
end
test "remove with destination" do
@destination = "staging"
assert_equal \
"docker container ls --all --filter name=^healthcheck-app-staging-123$ --quiet | xargs docker container rm",
new_command.remove.join(" ")
end
test "logs" do
assert_equal \
"docker container ls --all --filter name=^healthcheck-app-123$ --quiet | xargs docker logs --tail 50 2>&1",
new_command.logs.join(" ")
end
test "logs with custom lines number" do
@config[:healthcheck] = { "log_lines" => 150 }
assert_equal \
"docker container ls --all --filter name=^healthcheck-app-123$ --quiet | xargs docker logs --tail 150 2>&1",
new_command.logs.join(" ")
end
test "logs with destination" do
@destination = "staging"
assert_equal \
"docker container ls --all --filter name=^healthcheck-app-staging-123$ --quiet | xargs docker logs --tail 50 2>&1",
new_command.logs.join(" ")
end
private
def new_command
Kamal::Commands::Healthcheck.new(Kamal::Configuration.new(@config, destination: @destination, version: "123"))
end
end