Files
kamal/lib/kamal/configuration/traefik.rb
2024-09-04 09:32:45 +01:00

61 lines
1.4 KiB
Ruby

class Kamal::Configuration::Traefik
DEFAULT_IMAGE = "traefik:v2.10"
CONTAINER_PORT = 80
DEFAULT_ARGS = {
"log.level" => "DEBUG"
}
DEFAULT_LABELS = {
# These ensure we serve a 502 rather than a 404 if no containers are available
"traefik.http.routers.catchall.entryPoints" => "http",
"traefik.http.routers.catchall.rule" => "PathPrefix(`/`)",
"traefik.http.routers.catchall.service" => "unavailable",
"traefik.http.routers.catchall.priority" => 1,
"traefik.http.services.unavailable.loadbalancer.server.port" => "0"
}
include Kamal::Configuration::Validation
attr_reader :config, :traefik_config
def initialize(config:)
@config = config
@traefik_config = config.raw_config.traefik || {}
validate! traefik_config
end
def publish?
traefik_config["publish"] != false
end
def labels
DEFAULT_LABELS.merge(traefik_config["labels"] || {})
end
def env
Kamal::Configuration::Env.new \
config: traefik_config.fetch("env", {}),
secrets: config.secrets,
context: "traefik/env"
end
def host_port
traefik_config.fetch("host_port", CONTAINER_PORT)
end
def options
traefik_config.fetch("options", {})
end
def port
"#{host_port}:#{CONTAINER_PORT}"
end
def args
DEFAULT_ARGS.merge(traefik_config.fetch("args", {}))
end
def image
traefik_config.fetch("image", DEFAULT_IMAGE)
end
end