00061ce7aa
Create a `kamal` network for the proxy and app containers to run in. This allows the proxy to refer to the app containers by name.
99 lines
2.6 KiB
Ruby
99 lines
2.6 KiB
Ruby
class Kamal::Commands::App < Kamal::Commands::Base
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include Assets, Containers, Execution, Images, Logging
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ACTIVE_DOCKER_STATUSES = [ :running, :restarting ]
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attr_reader :role, :role
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def initialize(config, role: nil)
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super(config)
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@role = role
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end
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def run(hostname: nil)
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docker :run,
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"--detach",
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"--restart unless-stopped",
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"--name", container_name,
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"--network kamal",
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*([ "--hostname", hostname ] if hostname),
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"-e", "KAMAL_CONTAINER_NAME=\"#{container_name}\"",
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"-e", "KAMAL_VERSION=\"#{config.version}\"",
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*role.env_args,
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*role.health_check_args,
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*role.logging_args,
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*config.volume_args,
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*role.asset_volume_args,
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*role.label_args,
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*role.option_args,
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config.absolute_image,
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role.cmd
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end
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def start
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docker :start, container_name
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end
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def status(version:)
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pipe container_id_for_version(version), xargs(docker(:inspect, "--format", DOCKER_HEALTH_STATUS_FORMAT))
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end
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def stop(version: nil)
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pipe \
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version ? container_id_for_version(version) : current_running_container_id,
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xargs(config.stop_wait_time ? docker(:stop, "-t", config.stop_wait_time) : docker(:stop))
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end
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def info
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docker :ps, *filter_args
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end
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def current_running_container_id
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docker :ps, "--quiet", *filter_args(statuses: ACTIVE_DOCKER_STATUSES), "--latest"
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end
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def container_id_for_version(version, only_running: false)
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container_id_for(container_name: container_name(version), only_running: only_running)
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end
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def container_name(version = nil)
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[ role.container_prefix, version || config.version ].compact.join("-")
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end
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def current_running_version
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list_versions("--latest", statuses: ACTIVE_DOCKER_STATUSES)
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end
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def list_versions(*docker_args, statuses: nil)
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pipe \
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docker(:ps, *filter_args(statuses: statuses), *docker_args, "--format", '"{{.Names}}"'),
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%(while read line; do echo ${line##{role.container_prefix}-}; done) # Extract SHA from "service-role-dest-SHA"
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end
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def make_env_directory
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make_directory role.env.secrets_directory
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end
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def remove_env_file
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[ :rm, "-f", role.env.secrets_file ]
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end
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private
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def filter_args(statuses: nil)
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argumentize "--filter", filters(statuses: statuses)
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end
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def filters(statuses: nil)
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[ "label=service=#{config.service}" ].tap do |filters|
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filters << "label=destination=#{config.destination}" if config.destination
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filters << "label=role=#{role}" if role
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statuses&.each do |status|
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filters << "status=#{status}"
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end
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end
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end
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end
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