Files
kamal/lib/mrsk/commands/app.rb
David Heinemeier Hansson 59199cc69a Fix bug
2023-02-03 17:18:47 +01:00

142 lines
3.2 KiB
Ruby

require "mrsk/commands/base"
class Mrsk::Commands::App < Mrsk::Commands::Base
def run(role: :web)
role = config.role(role)
docker :run,
"-d",
"--restart unless-stopped",
"--name", service_with_version,
*rails_master_key_arg,
*role.env_args,
*config.volume_args,
*role.label_args,
config.absolute_image,
role.cmd
end
def start
docker :start, service_with_version
end
def stop
pipe current_container_id, xargs(docker(:stop))
end
def info
docker :ps, *service_filter
end
def logs(since: nil, lines: nil, grep: nil)
pipe \
current_container_id,
"xargs docker logs#{" --since #{since}" if since}#{" -n #{lines}" if lines} 2>&1",
("grep '#{grep}'" if grep)
end
def follow_logs(host:, grep: nil)
run_over_ssh pipe(
current_container_id,
"xargs docker logs -t -n 10 -f 2>&1",
(%(grep "#{grep}") if grep)
).join(" "), host: host
end
def execute_in_existing_container(*command, interactive: false)
docker :exec,
("-it" if interactive),
config.service_with_version,
*command
end
def execute_in_new_container(*command, interactive: false)
docker :run,
("-it" if interactive),
"--rm",
*rails_master_key_arg,
*config.env_args,
*config.volume_args,
config.absolute_image,
*command
end
def execute_in_existing_container_over_ssh(*command, host:)
run_over_ssh execute_in_existing_container(*command, interactive: true).join(" "), host: host
end
def execute_in_new_container_over_ssh(*command, host:)
run_over_ssh execute_in_new_container(*command, interactive: true).join(" "), host: host
end
def current_container_id
docker :ps, "-q", *service_filter
end
def container_id_for(container_name:)
docker :container, :ls, "-a", "-f", "name=#{container_name}", "-q"
end
def current_running_version
# FIXME: Find more graceful way to extract the version from "app-version" than using sed and tail!
pipe \
docker(:ps, "--filter", "label=service=#{config.service}", "--format", '"{{.Names}}"'),
%(sed 's/-/\\n/g'),
"tail -n 1"
end
def most_recent_version_from_available_images
pipe \
docker(:image, :ls, "--format", '"{{.Tag}}"', config.repository),
"head -n 1"
end
def list_containers
docker :container, :ls, "-a", *service_filter
end
def remove_container(version:)
pipe \
container_id_for(container_name: service_with_version(version)),
xargs(docker(:container, :rm))
end
def remove_containers
docker :container, :prune, "-f", *service_filter
end
def list_images
docker :image, :ls, config.repository
end
def remove_images
docker :image, :prune, "-a", "-f", *service_filter
end
private
def service_with_version(version = nil)
if version
"#{config.service}-#{version}"
else
config.service_with_version
end
end
def service_filter
[ "--filter", "label=service=#{config.service}" ]
end
def rails_master_key_arg
if master_key = config.master_key
[ "-e", redact("RAILS_MASTER_KEY=#{master_key}") ]
else
[]
end
end
end