Files
kamal/lib/kamal/commands/proxy.rb
2025-05-06 12:14:58 +01:00

128 lines
3.5 KiB
Ruby

class Kamal::Commands::Proxy < Kamal::Commands::Base
delegate :argumentize, :optionize, to: Kamal::Utils
def run
pipe boot_config, xargs(docker_run)
end
def start
docker :container, :start, container_name
end
def stop(name: container_name)
docker :container, :stop, name
end
def start_or_run
combine start, run, by: "||"
end
def info
docker :ps, "--filter", "name=^#{container_name}$"
end
def version
pipe \
docker(:inspect, container_name, "--format '{{.Config.Image}}'"),
[ :awk, "-F:", "'{print \$NF}'" ]
end
def logs(timestamps: true, since: nil, lines: nil, grep: nil, grep_options: nil)
pipe \
docker(:logs, container_name, ("--since #{since}" if since), ("--tail #{lines}" if lines), ("--timestamps" if timestamps), "2>&1"),
("grep '#{grep}'#{" #{grep_options}" if grep_options}" if grep)
end
def follow_logs(host:, timestamps: true, grep: nil, grep_options: nil)
run_over_ssh pipe(
docker(:logs, container_name, ("--timestamps" if timestamps), "--tail", "10", "--follow", "2>&1"),
(%(grep "#{grep}"#{" #{grep_options}" if grep_options}) if grep)
).join(" "), host: host
end
def remove_container
docker :container, :prune, "--force", "--filter", "label=org.opencontainers.image.title=kamal-proxy"
end
def remove_image
docker :image, :prune, "--all", "--force", "--filter", "label=org.opencontainers.image.title=kamal-proxy"
end
def cleanup_traefik
chain \
docker(:container, :stop, "traefik"),
combine(
docker(:container, :prune, "--force", "--filter", "label=org.opencontainers.image.title=Traefik"),
docker(:image, :prune, "--all", "--force", "--filter", "label=org.opencontainers.image.title=Traefik")
)
end
def ensure_proxy_directory
make_directory config.proxy_boot.host_directory
end
def remove_proxy_directory
remove_directory config.proxy_boot.host_directory
end
def ensure_apps_config_directory
make_directory config.proxy_boot.apps_directory
end
def boot_config
[ :echo, "#{substitute(read_boot_options)} #{substitute(read_image)}:#{substitute(read_image_version)} #{substitute(read_run_command)}" ]
end
def read_boot_options
read_file(config.proxy_boot.options_file, default: config.proxy_boot.default_boot_options.join(" "))
end
def read_image
read_file(config.proxy_boot.image_file, default: config.proxy_boot.image_default)
end
def read_image_version
read_file(config.proxy_boot.image_version_file, default: Kamal::Configuration::Proxy::Boot::MINIMUM_VERSION)
end
def read_run_command
read_file(config.proxy_boot.run_command_file)
end
def reset_boot_options
remove_file config.proxy_boot.options_file
end
def reset_image
remove_file config.proxy_boot.image_file
end
def reset_image_version
remove_file config.proxy_boot.image_version_file
end
def reset_run_command
remove_file config.proxy_boot.run_command_file
end
private
def container_name
config.proxy_boot.container_name
end
def read_file(file, default: nil)
combine [ :cat, file, "2>", "/dev/null" ], [ :echo, "\"#{default}\"" ], by: "||"
end
def docker_run
docker \
:run,
"--name", container_name,
"--network", "kamal",
"--detach",
"--restart", "unless-stopped",
"--volume", "kamal-proxy-config:/home/kamal-proxy/.config/kamal-proxy",
*config.proxy_boot.apps_volume.docker_args
end
end