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kamal/lib/kamal/commands/app.rb
Donal McBreen 3ecfb3744f Add Rubocop
- Pull in the 37signals house style
- Autofix violations
- Add to CI
2024-03-20 10:23:02 +00:00

102 lines
2.7 KiB
Ruby

class Kamal::Commands::App < Kamal::Commands::Base
include Assets, Containers, Cord, Execution, Images, Logging
ACTIVE_DOCKER_STATUSES = [ :running, :restarting ]
attr_reader :role, :role
def initialize(config, role: nil)
super(config)
@role = role
end
def run(hostname: nil)
docker :run,
"--detach",
"--restart unless-stopped",
"--name", container_name,
*([ "--hostname", hostname ] if hostname),
"-e", "KAMAL_CONTAINER_NAME=\"#{container_name}\"",
"-e", "KAMAL_VERSION=\"#{config.version}\"",
*role.env_args,
*role.health_check_args,
*role.logging_args,
*config.volume_args,
*role.asset_volume_args,
*role.label_args,
*role.option_args,
config.absolute_image,
role.cmd
end
def start
docker :start, container_name
end
def status(version:)
pipe container_id_for_version(version), xargs(docker(:inspect, "--format", DOCKER_HEALTH_STATUS_FORMAT))
end
def stop(version: nil)
pipe \
version ? container_id_for_version(version) : current_running_container_id,
xargs(config.stop_wait_time ? docker(:stop, "-t", config.stop_wait_time) : docker(:stop))
end
def info
docker :ps, *filter_args
end
def current_running_container_id
docker :ps, "--quiet", *filter_args(statuses: ACTIVE_DOCKER_STATUSES), "--latest"
end
def container_id_for_version(version, only_running: false)
container_id_for(container_name: container_name(version), only_running: only_running)
end
def current_running_version
list_versions("--latest", statuses: ACTIVE_DOCKER_STATUSES)
end
def list_versions(*docker_args, statuses: nil)
pipe \
docker(:ps, *filter_args(statuses: statuses), *docker_args, "--format", '"{{.Names}}"'),
%(while read line; do echo ${line##{role.container_prefix}-}; done) # Extract SHA from "service-role-dest-SHA"
end
def make_env_directory
make_directory role.host_env_directory
end
def remove_env_file
[ :rm, "-f", role.host_env_file_path ]
end
private
def container_name(version = nil)
[ role.container_prefix, version || config.version ].compact.join("-")
end
def filter_args(statuses: nil)
argumentize "--filter", filters(statuses: statuses)
end
def service_role_dest
[ config.service, role, config.destination ].compact.join("-")
end
def filters(statuses: nil)
[ "label=service=#{config.service}" ].tap do |filters|
filters << "label=destination=#{config.destination}" if config.destination
filters << "label=role=#{role}" if role
statuses&.each do |status|
filters << "status=#{status}"
end
end
end
end