Files
kamal/lib/kamal/configuration/proxy.rb
2024-09-27 17:45:35 +04:00

63 lines
2.2 KiB
Ruby

class Kamal::Configuration::Proxy
include Kamal::Configuration::Validation
DEFAULT_LOG_REQUEST_HEADERS = [ "Cache-Control", "Last-Modified", "User-Agent" ]
CONTAINER_NAME = "kamal-proxy"
delegate :argumentize, :optionize, to: Kamal::Utils
attr_reader :config, :proxy_config
def initialize(config:, proxy_config:, context: "proxy")
@config = config
@proxy_config = proxy_config
validate! @proxy_config, with: Kamal::Configuration::Validator::Proxy, context: context
end
def app_port
proxy_config.fetch("app_port", 80)
end
def ssl?
proxy_config.fetch("ssl", false)
end
def host
proxy_config["host"]
end
def deploy_options
{
host: proxy_config["host"],
tls: proxy_config["ssl"],
"deploy-timeout": seconds_duration(config.deploy_timeout),
"drain-timeout": seconds_duration(config.drain_timeout),
"health-check-interval": seconds_duration(proxy_config.dig("healthcheck", "interval")),
"health-check-timeout": seconds_duration(proxy_config.dig("healthcheck", "timeout")),
"health-check-path": proxy_config.dig("healthcheck", "path"),
"target-timeout": seconds_duration(proxy_config["response_timeout"]),
"buffer-requests": proxy_config.fetch("buffering", { "requests": true }).fetch("requests", true),
"buffer-responses": proxy_config.fetch("buffering", { "responses": true }).fetch("responses", true),
"buffer-memory": proxy_config.dig("buffering", "memory"),
"max-request-body": proxy_config.dig("buffering", "max_request_body"),
"max-response-body": proxy_config.dig("buffering", "max_response_body"),
"forward-headers": proxy_config.dig("forward_headers"),
"log-request-header": proxy_config.dig("logging", "request_headers") || DEFAULT_LOG_REQUEST_HEADERS,
"log-response-header": proxy_config.dig("logging", "response_headers")
}.compact
end
def deploy_command_args(target:)
optionize ({ target: "#{target}:#{app_port}" }).merge(deploy_options)
end
def merge(other)
self.class.new config: config, proxy_config: proxy_config.deep_merge(other.proxy_config)
end
private
def seconds_duration(value)
value ? "#{value}s" : nil
end
end