107 lines
2.7 KiB
Ruby
107 lines
2.7 KiB
Ruby
class Mrsk::Configuration::Role
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delegate :argumentize, :argumentize_env_with_secrets, to: Mrsk::Utils
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attr_accessor :name
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def initialize(name, config:)
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@name, @config = name.inquiry, config
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end
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def hosts
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@hosts ||= extract_hosts_from_config
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end
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def labels
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default_labels.merge(traefik_labels).merge(custom_labels)
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end
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def label_args
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argumentize "--label", labels
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end
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def env
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if config.env && config.env["secret"]
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merged_env_with_secrets
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else
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merged_env
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end
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end
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def env_args
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argumentize_env_with_secrets env
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end
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def cmd
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specializations["cmd"]
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end
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def running_traefik?
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name.web? || specializations["traefik"]
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end
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private
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attr_accessor :config
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def extract_hosts_from_config
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if config.servers.is_a?(Array)
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config.servers
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else
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servers = config.servers[name]
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servers.is_a?(Array) ? servers : servers["hosts"]
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end
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end
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def default_labels
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{ "service" => config.service, "role" => name }
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end
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def traefik_labels
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if running_traefik?
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{
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"traefik.http.routers.#{config.service}.rule" => "'PathPrefix(`/`)'",
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"traefik.http.services.#{config.service}.loadbalancer.healthcheck.path" => "/up",
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"traefik.http.services.#{config.service}.loadbalancer.healthcheck.interval" => "1s",
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"traefik.http.middlewares.#{config.service}.retry.attempts" => "3",
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"traefik.http.middlewares.#{config.service}.retry.initialinterval" => "500ms"
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}
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else
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{}
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end
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end
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def custom_labels
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Hash.new.tap do |labels|
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labels.merge!(config.labels) if config.labels.present?
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labels.merge!(specializations["labels"]) if specializations["labels"].present?
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end
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end
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def specializations
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if config.servers.is_a?(Array) || config.servers[name].is_a?(Array)
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{ }
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else
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config.servers[name].except("hosts")
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end
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end
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def specialized_env
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specializations["env"] || {}
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end
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def merged_env
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config.env&.merge(specialized_env) || {}
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end
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# Secrets are stored in an array, which won't merge by default, so have to do it by hand.
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def merged_env_with_secrets
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merged_env.tap do |new_env|
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new_env["secret"] = Array(config.env["secret"]) + Array(specialized_env["secret"])
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clear_app_env = config.env["secret"] ? Array(config.env["clear"]) : Array(config.env["clear"] || config.env)
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clear_role_env = specialized_env["secret"] ? Array(specialized_env["clear"]) : Array(specialized_env["clear"] || specialized_env)
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new_env["clear"] = (clear_app_env + clear_role_env).uniq
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end
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end
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end
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