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128 lines
4.0 KiB
Ruby
128 lines
4.0 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Kas
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INTERNAL_API_AGENTK_REQUEST_HEADER = 'Gitlab-Agentk-Api-Request'
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INTERNAL_API_AGENT_REQUEST_HEADER = 'Gitlab-Agent-Api-Request'
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INTERNAL_API_KAS_REQUEST_HEADER = 'Gitlab-Kas-Api-Request'
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VERSION_FILE = 'GITLAB_KAS_VERSION'
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JWT_ISSUER = 'gitlab-kas'
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JWT_AUDIENCE = 'gitlab'
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K8S_PROXY_PATH = 'k8s-proxy'
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include JwtAuthenticatable
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class << self
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def verify_api_request(request_headers)
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decode_jwt(request_headers[INTERNAL_API_KAS_REQUEST_HEADER], issuer: JWT_ISSUER, audience: JWT_AUDIENCE)
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rescue JWT::DecodeError
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nil
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end
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def secret_path
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Gitlab.config.gitlab_kas.secret_file
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end
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def ensure_secret!
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return if File.exist?(secret_path)
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write_secret
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end
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# Return GitLab KAS version info for display
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# This is the version that is displayed on the `frontend`. This is also used to
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# check if the version of an existing agent does not match the latest agent version.
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# If the getServerInfo RPC call fails, we fallback to GITLAB_KAS_VERSION file;
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# If the GITLAB_KAS_VERSION file contains a SHA, we defer instead to the Gitlab version.
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#
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# For further details, see: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/149794
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#
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# @return [Gitlab::VersionInfo] version_info
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def display_version_info
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server_version = ServerInfo.new.version_info
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return server_version if server_version&.valid?
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return version_info_from_file if version_info_from_file.valid?
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Gitlab.version_info
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end
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# Return GitLab KAS version info for installation
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# This is the version used as the image tag when generating the command to install a Gitlab agent.
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# If the getServerInfo RPC call fails, we fallback to GITLAB_KAS_VERSION file;
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# If the GITLAB_KAS_VERSION file contains a SHA, we defer instead to the Gitlab version without the patch.
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# This could mean that it might point to a Gitlab agent version that is several patches behind the latest one.
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#
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# Further details: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/149794
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#
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# @return [Gitlab::VersionInfo] version_info
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def install_version_info
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server_version = ServerInfo.new.version_info
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return server_version.without_patch if server_version&.valid?
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return version_info_from_file if version_info_from_file.valid?
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Gitlab.version_info.without_patch
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end
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# Return GitLab KAS external_url
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#
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# @return [String] external_url
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def external_url
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Gitlab.config.gitlab_kas.external_url
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end
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def tunnel_url
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configured = Gitlab.config.gitlab_kas['external_k8s_proxy_url']
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return configured if configured.present?
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# Legacy code path. Will be removed when all distributions provide a sane default here
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uri = URI.join(external_url, K8S_PROXY_PATH)
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uri.scheme = uri.scheme.in?(%w[grpcs wss]) ? 'https' : 'http'
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uri.to_s
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end
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def tunnel_ws_url
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return tunnel_url if ws?
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return tunnel_url.sub('https', 'wss') if ssl?
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tunnel_url.sub('http', 'ws')
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end
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# Return GitLab KAS internal_url
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#
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# @return [String] internal_url
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def internal_url
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Gitlab.config.gitlab_kas.internal_url
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end
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# Return whether GitLab KAS is enabled
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#
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# @return [Boolean] external_url
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def enabled?
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!!Gitlab.config['gitlab_kas']&.fetch('enabled', false)
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end
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def client_timeout_seconds
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Gitlab.config.gitlab_kas&.fetch('client_timeout_seconds', 5) || 5
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end
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private
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def version_file_content
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Rails.root.join(VERSION_FILE).read.chomp
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end
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def version_info_from_file
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Gitlab::VersionInfo.parse(version_file_content, parse_suffix: true)
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end
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def ssl?
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URI(tunnel_url).scheme === 'https'
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end
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def ws?
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URI(tunnel_url).scheme.start_with?('ws')
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end
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end
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end
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end
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