Files
kamal/test/cli/app_test.rb
2024-05-20 12:18:30 +01:00

364 lines
25 KiB
Ruby

require_relative "cli_test_case"
class CliAppTest < CliTestCase
test "boot" do
stub_running
run_command("boot").tap do |output|
assert_match "docker tag dhh/app:latest dhh/app:latest", output
assert_match /docker run --detach --restart unless-stopped --name app-web-latest --hostname 1.1.1.1-[0-9a-f]{12} /, output
assert_match "docker container ls --all --filter name=^app-web-123$ --quiet | xargs docker stop", output
end
end
test "boot will rename if same version is already running" do
Object.any_instance.stubs(:sleep)
run_command("details") # Preheat Kamal const
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--all", "--filter", "name=^app-web-latest$", "--quiet", raise_on_non_zero_exit: false)
.returns("12345678") # running version
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--all", "--filter", "name=^app-web-latest$", "--quiet", "|", :xargs, :docker, :inspect, "--format", "'{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}'")
.returns("running") # health check
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(: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", raise_on_non_zero_exit: false)
.returns("123") # old version
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :inspect, "-f '{{ range .Mounts }}{{printf \"%s %s\\n\" .Source .Destination}}{{ end }}'", "app-web-123", "|", :awk, "'$2 == \"/tmp/kamal-cord\" {print $1}'", raise_on_non_zero_exit: false)
.returns("cordfile") # old version
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--all", "--filter", "name=^app-web-123$", "--quiet", "|", :xargs, :docker, :inspect, "--format", "'{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}'")
.returns("unhealthy") # old version unhealthy
run_command("boot").tap do |output|
assert_match /Renaming container .* to .* as already deployed on 1.1.1.1/, output # Rename
assert_match /docker rename app-web-latest app-web-latest_replaced_[0-9a-f]{16}/, output
assert_match /docker run --detach --restart unless-stopped --name app-web-latest --hostname 1.1.1.1-[0-9a-f]{12} /, output
assert_match "docker container ls --all --filter name=^app-web-123$ --quiet | xargs docker stop", output
end
ensure
Thread.report_on_exception = true
end
test "boot uses group strategy when specified" do
Kamal::Cli::App.any_instance.stubs(:on).with("1.1.1.1").times(3) # ensure locks dir, acquire & release lock
Kamal::Cli::App.any_instance.stubs(:on).with([ "1.1.1.1" ]) # tag container
# Strategy is used when booting the containers
Kamal::Cli::App.any_instance.expects(:on).with([ "1.1.1.1" ], in: :groups, limit: 3, wait: 2).with_block_given
run_command("boot", config: :with_boot_strategy)
end
test "boot errors leave lock in place" do
Kamal::Cli::App.any_instance.expects(:using_version).raises(RuntimeError)
assert_not KAMAL.holding_lock?
assert_raises(RuntimeError) do
stderred { run_command("boot") }
end
assert KAMAL.holding_lock?
end
test "boot with assets" do
Object.any_instance.stubs(:sleep)
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--all", "--filter", "name=^app-web-latest$", "--quiet", raise_on_non_zero_exit: false)
.returns("12345678") # running version
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--all", "--filter", "name=^app-web-latest$", "--quiet", "|", :xargs, :docker, :inspect, "--format", "'{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}'")
.returns("running") # health check
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(: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", raise_on_non_zero_exit: false)
.returns("123").twice # old version
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :inspect, "-f '{{ range .Mounts }}{{printf \"%s %s\\n\" .Source .Destination}}{{ end }}'", "app-web-123", "|", :awk, "'$2 == \"/tmp/kamal-cord\" {print $1}'", raise_on_non_zero_exit: false)
.returns("") # old version
run_command("boot", config: :with_assets).tap do |output|
assert_match "docker tag dhh/app:latest dhh/app:latest", output
assert_match "/usr/bin/env mkdir -p .kamal/assets/volumes/app-web-latest ; cp -rnT .kamal/assets/extracted/app-web-latest .kamal/assets/volumes/app-web-latest ; cp -rnT .kamal/assets/extracted/app-web-latest .kamal/assets/volumes/app-web-123 || true ; cp -rnT .kamal/assets/extracted/app-web-123 .kamal/assets/volumes/app-web-latest || true", output
assert_match "/usr/bin/env mkdir -p .kamal/assets/extracted/app-web-latest && docker stop -t 1 app-web-assets 2> /dev/null || true && docker run --name app-web-assets --detach --rm dhh/app:latest sleep 1000000 && docker cp -L app-web-assets:/public/assets/. .kamal/assets/extracted/app-web-latest && docker stop -t 1 app-web-assets", output
assert_match /docker run --detach --restart unless-stopped --name app-web-latest --hostname 1.1.1.1-[0-9a-f]{12} /, output
assert_match "docker container ls --all --filter name=^app-web-123$ --quiet | xargs docker stop", output
assert_match "/usr/bin/env find .kamal/assets/extracted -maxdepth 1 -name 'app-web-*' ! -name app-web-latest -exec rm -rf \"{}\" + ; find .kamal/assets/volumes -maxdepth 1 -name 'app-web-*' ! -name app-web-latest -exec rm -rf \"{}\" +", output
end
end
test "boot with host tags" do
Object.any_instance.stubs(:sleep)
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--all", "--filter", "name=^app-web-latest$", "--quiet", raise_on_non_zero_exit: false)
.returns("12345678") # running version
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--all", "--filter", "name=^app-web-latest$", "--quiet", "|", :xargs, :docker, :inspect, "--format", "'{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}'")
.returns("running") # health check
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(: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", raise_on_non_zero_exit: false)
.returns("123") # old version
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :inspect, "-f '{{ range .Mounts }}{{printf \"%s %s\\n\" .Source .Destination}}{{ end }}'", "app-web-123", "|", :awk, "'$2 == \"/tmp/kamal-cord\" {print $1}'", raise_on_non_zero_exit: false)
.returns("") # old version
run_command("boot", config: :with_env_tags).tap do |output|
assert_match "docker tag dhh/app:latest dhh/app:latest", output
assert_match %r{docker run --detach --restart unless-stopped --name app-web-latest --hostname 1.1.1.1-[0-9a-f]{12} -e KAMAL_CONTAINER_NAME="app-web-latest" -e KAMAL_VERSION="latest" --env-file .kamal/env/roles/app-web.env --env TEST="root" --env EXPERIMENT="disabled" --env SITE="site1"}, output
assert_match "docker container ls --all --filter name=^app-web-123$ --quiet | xargs docker stop", output
end
end
test "boot with web barrier opened" do
Object.any_instance.stubs(:sleep)
SSHKit::Backend::Abstract.any_instance.stubs(:capture_with_info).returns("123") # old version
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--all", "--filter", "name=^app-web-latest$", "--quiet", "|", :xargs, :docker, :inspect, "--format", "'{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}'")
.returns("running").at_least_once # web health check passing
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--all", "--filter", "name=^app-web-123$", "--quiet", "|", :xargs, :docker, :inspect, "--format", "'{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}'")
.returns("unhealthy").at_least_once # web health check failing
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--all", "--filter", "name=^app-workers-latest$", "--quiet", "|", :xargs, :docker, :inspect, "--format", "'{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}'")
.returns("running").at_least_once # workers health check
run_command("boot", config: :with_roles, host: nil).tap do |output|
assert_match "Waiting for a healthy web container (1.1.1.3)...", output
assert_match "Waiting for a healthy web container (1.1.1.4)...", output
assert_match "First web container is healthy, continuing (1.1.1.3)", output
assert_match "First web container is healthy, continuing (1.1.1.4)", output
end
end
test "boot with web barrier closed" do
Thread.report_on_exception = false
Object.any_instance.stubs(:sleep)
SSHKit::Backend::Abstract.any_instance.stubs(:capture_with_info).returns("123") # old version
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--all", "--filter", "name=^app-web-latest$", "--quiet", "|", :xargs, :docker, :inspect, "--format", "'{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}'")
.returns("unhealthy").at_least_once # web health check failing
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--all", "--filter", "name=^app-workers-latest$", "--quiet", "|", :xargs, :docker, :inspect, "--format", "'{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}'")
.returns("running").at_least_once # workers health check passing
stderred do
run_command("boot", config: :with_roles, host: nil, allow_execute_error: true).tap do |output|
assert_match "Waiting for a healthy web container (1.1.1.3)...", output
assert_match "Waiting for a healthy web container (1.1.1.4)...", output
assert_match "First web container is unhealthy, stopping (1.1.1.3)", output
assert_match "First web container is unhealthy, stopping (1.1.1.4)", output
assert_match "Running docker container ls --all --filter name=^app-web-latest$ --quiet | xargs docker stop on 1.1.1.1", output
assert_match "Running docker container ls --all --filter name=^app-web-latest$ --quiet | xargs docker stop on 1.1.1.2", output
assert_match "Running docker container ls --all --filter name=^app-workers-latest$ --quiet | xargs docker stop on 1.1.1.3", output
assert_match "Running docker container ls --all --filter name=^app-workers-latest$ --quiet | xargs docker stop on 1.1.1.4", output
end
end
ensure
Thread.report_on_exception = true
end
test "start" do
run_command("start").tap do |output|
assert_match "docker start app-web-999", output
end
end
test "stop" do
run_command("stop").tap do |output|
assert_match "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", output
end
end
test "stale_containers" do
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :ps, "--filter", "label=service=app", "--filter", "label=role=web", "--format", "\"{{.Names}}\"", "|", "while read line; do echo ${line#app-web-}; done", raise_on_non_zero_exit: false)
.returns("12345678\n87654321\n")
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:sh, "-c", "'docker ps --latest --format '\\''{{.Names}}'\\'' --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(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", raise_on_non_zero_exit: false)
.returns("12345678\n")
run_command("stale_containers").tap do |output|
assert_match /Detected stale container for role web with version 87654321/, output
end
end
test "stop stale_containers" do
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :ps, "--filter", "label=service=app", "--filter", "label=role=web", "--format", "\"{{.Names}}\"", "|", "while read line; do echo ${line#app-web-}; done", raise_on_non_zero_exit: false)
.returns("12345678\n87654321\n")
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:sh, "-c", "'docker ps --latest --format '\\''{{.Names}}'\\'' --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(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 ${line#app-web-}; done", raise_on_non_zero_exit: false)
.returns("12345678\n")
run_command("stale_containers", "--stop").tap do |output|
assert_match /Stopping stale container for role web with version 87654321/, output
assert_match /#{Regexp.escape("docker container ls --all --filter name=^app-web-87654321$ --quiet | xargs docker stop")}/, output
end
end
test "details" do
run_command("details").tap do |output|
assert_match "docker ps --filter label=service=app --filter label=role=web", output
end
end
test "remove" do
run_command("remove").tap do |output|
assert_match /#{Regexp.escape("sh -c 'docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(docker image ls --filter reference=dhh/app:latest --format '\\''{{.ID}}'\\'') ; docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting' | head -1 | xargs docker stop")}/, output
assert_match /#{Regexp.escape("docker container prune --force --filter label=service=app")}/, output
assert_match /#{Regexp.escape("docker image prune --all --force --filter label=service=app")}/, output
end
end
test "remove_container" do
run_command("remove_container", "1234567").tap do |output|
assert_match "docker container ls --all --filter name=^app-web-1234567$ --quiet | xargs docker container rm", output
end
end
test "remove_containers" do
run_command("remove_containers").tap do |output|
assert_match "docker container prune --force --filter label=service=app", output
end
end
test "remove_images" do
run_command("remove_images").tap do |output|
assert_match "docker image prune --all --force --filter label=service=app", output
end
end
test "exec" do
run_command("exec", "ruby -v").tap do |output|
assert_match "docker run --rm --env-file .kamal/env/roles/app-web.env dhh/app:latest ruby -v", output
end
end
test "exec with reuse" do
run_command("exec", "--reuse", "ruby -v").tap do |output|
assert_match "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 ${line#app-web-}; done", output # Get current version
assert_match "docker exec app-web-999 ruby -v", output
end
end
test "exec interactive" do
SSHKit::Backend::Abstract.any_instance.expects(:exec)
.with("ssh -t root@1.1.1.1 -p 22 'docker run -it --rm --env-file .kamal/env/roles/app-web.env dhh/app:latest ruby -v'")
run_command("exec", "-i", "ruby -v").tap do |output|
assert_match "Get most recent version available as an image...", output
assert_match "Launching interactive command with version latest via SSH from new container on 1.1.1.1...", output
end
end
test "exec interactive with reuse" do
SSHKit::Backend::Abstract.any_instance.expects(:exec)
.with("ssh -t root@1.1.1.1 -p 22 'docker exec -it app-web-999 ruby -v'")
run_command("exec", "-i", "--reuse", "ruby -v").tap do |output|
assert_match "Get current version of running container...", output
assert_match "Running /usr/bin/env sh -c 'docker ps --latest --format '\\''{{.Names}}'\\'' --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(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 ${line#app-web-}; done on 1.1.1.1", output
assert_match "Launching interactive command with version 999 via SSH from existing container on 1.1.1.1...", output
end
end
test "containers" do
run_command("containers").tap do |output|
assert_match "docker container ls --all --filter label=service=app", output
end
end
test "images" do
run_command("images").tap do |output|
assert_match "docker image ls dhh/app", output
end
end
test "logs" do
SSHKit::Backend::Abstract.any_instance.stubs(:exec)
.with("ssh -t root@1.1.1.1 'sh -c 'docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(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 10 2>&1'")
assert_match "sh -c 'docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(docker image ls --filter reference=dhh/app:latest --format '\\''{{.ID}}'\\'') ; docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting' | head -1 | xargs docker logs --tail 100 2>&1", run_command("logs")
end
test "logs with follow" do
SSHKit::Backend::Abstract.any_instance.stubs(:exec)
.with("ssh -t root@1.1.1.1 -p 22 'sh -c '\\''docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(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 10 --follow 2>&1'")
assert_match "sh -c '\\''docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(docker image ls --filter reference=dhh/app:latest --format '\\''\\'\\'''\\''{{.ID}}'\\''\\'\\'''\\'') ; docker ps --latest --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting'\\'' | head -1 | xargs docker logs --timestamps --tail 10 --follow 2>&1", run_command("logs", "--follow")
end
test "version" do
run_command("version").tap do |output|
assert_match "sh -c 'docker ps --latest --format '\\''{{.Names}}'\\'' --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(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 ${line#app-web-}; done", output
end
end
test "version through main" do
stdouted { Kamal::Cli::Main.start([ "app", "version", "-c", "test/fixtures/deploy_with_accessories.yml", "--hosts", "1.1.1.1" ]) }.tap do |output|
assert_match "sh -c 'docker ps --latest --format '\\''{{.Names}}'\\'' --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --filter ancestor=$(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 ${line#app-web-}; done", output
end
end
test "long hostname" do
stub_running
hostname = "this-hostname-is-really-unacceptably-long-to-be-honest.example.com"
stdouted { Kamal::Cli::App.start([ "boot", "-c", "test/fixtures/deploy_with_uncommon_hostnames.yml", "--hosts", hostname ]) }.tap do |output|
assert_match /docker run --detach --restart unless-stopped --name app-web-latest --hostname this-hostname-is-really-unacceptably-long-to-be-hon-[0-9a-f]{12} /, output
end
end
test "hostname is trimmed if will end with a period" do
stub_running
hostname = "this-hostname-with-random-part-is-too-long.example.com"
stdouted { Kamal::Cli::App.start([ "boot", "-c", "test/fixtures/deploy_with_uncommon_hostnames.yml", "--hosts", hostname ]) }.tap do |output|
assert_match /docker run --detach --restart unless-stopped --name app-web-latest --hostname this-hostname-with-random-part-is-too-long.example-[0-9a-f]{12} /, output
end
end
private
def run_command(*command, config: :with_accessories, host: "1.1.1.1", allow_execute_error: false)
stdouted do
Kamal::Cli::App.start([ *command, "-c", "test/fixtures/deploy_#{config}.yml", *([ "--hosts", host ] if host) ])
rescue SSHKit::Runner::ExecuteError => e
raise e unless allow_execute_error
end
end
def stub_running
Object.any_instance.stubs(:sleep)
SSHKit::Backend::Abstract.any_instance.stubs(:capture_with_info).returns("123") # old version
SSHKit::Backend::Abstract.any_instance.expects(:capture_with_info)
.with(:docker, :container, :ls, "--all", "--filter", "name=^app-web-latest$", "--quiet", "|", :xargs, :docker, :inspect, "--format", "'{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}'")
.returns("running") # health check
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("unhealthy") # health check
end
end