From e1d12ba9b988e61afb9317f3a132d6e2caa93923 Mon Sep 17 00:00:00 2001 From: Kamil Trzcinski Date: Fri, 13 Oct 2017 19:21:23 +0200 Subject: Refactor Clusters to be consisted from GcpProvider and KubernetesPlatform --- .../clusters/gcp/fetch_operation_service.rb | 16 ++++++ .../clusters/gcp/finalize_creation_service.rb | 66 ++++++++++++++++++++++ app/services/clusters/gcp/provision_service.rb | 49 ++++++++++++++++ .../gcp/verify_provision_status_service.rb | 44 +++++++++++++++ 4 files changed, 175 insertions(+) create mode 100644 app/services/clusters/gcp/fetch_operation_service.rb create mode 100644 app/services/clusters/gcp/finalize_creation_service.rb create mode 100644 app/services/clusters/gcp/provision_service.rb create mode 100644 app/services/clusters/gcp/verify_provision_status_service.rb (limited to 'app/services/clusters/gcp') diff --git a/app/services/clusters/gcp/fetch_operation_service.rb b/app/services/clusters/gcp/fetch_operation_service.rb new file mode 100644 index 00000000000..013225efac4 --- /dev/null +++ b/app/services/clusters/gcp/fetch_operation_service.rb @@ -0,0 +1,16 @@ +module Clusters + module Gcp + class FetchOperationService + def execute(provider) + operation = provider.api_client.projects_zones_operations( + provider.project_id, + provider.cluster_zone, + provider.operation_id) + + yield(operation) if block_given? + rescue Google::Apis::ServerError, Google::Apis::ClientError, Google::Apis::AuthorizationError => e + return provider.make_errored!("Failed to request to CloudPlatform; #{e.message}") + end + end + end +end diff --git a/app/services/clusters/gcp/finalize_creation_service.rb b/app/services/clusters/gcp/finalize_creation_service.rb new file mode 100644 index 00000000000..b536285b368 --- /dev/null +++ b/app/services/clusters/gcp/finalize_creation_service.rb @@ -0,0 +1,66 @@ +module Clusters + module Gcp + class FinalizeCreationService + attr_reader :provider + + def execute(provider) + @provider = provider + + configure_provider + configure_kubernetes_platform + request_kuberenetes_platform_token + + ActiveRecord::Base.transaction do + kubernetes_platform.update! + provider.make_created! + end + rescue Google::Apis::ServerError, Google::Apis::ClientError, Google::Apis::AuthorizationError => e + return cluster.make_errored!("Failed to request to CloudPlatform; #{e.message}") + rescue ActiveRecord::RecordInvalid => e + cluster.make_errored!("Failed to configure GKE Cluster: #{e.message}") + end + + private + + def configure_provider + provider.endpoint = gke_cluster.endpoint + end + + def configure_kubernetes_platform + kubernetes_platform = cluster.kubernetes_platform + kubernetes_platform.api_url = 'https://' + endpoint + kubernetes_platform.ca_cert = Base64.decode64(gke_cluster.master_auth.cluster_ca_certificate) + kubernetes_platform.username = gke_cluster.master_auth.username + kubernetes_platform.password = gke_cluster.master_auth.password + end + + def request_kuberenetes_platform_token + kubernetes_platform.read_secrets.each do |secret| + name = secret.dig('metadata', 'name') + if /default-token/ =~ name + token_base64 = secret.dig('data', 'token') + if token_base64 + kubernetes_platform.token = Base64.decode64(token_base64) + break + end + end + end + end + + def gke_cluster + @gke_cluster ||= provider.api_client.projects_zones_clusters_get( + provider.gcp_project_id, + provider.gcp_cluster_zone, + provider.gcp_cluster_name) + end + + def cluster + provider.cluster + end + + def kubernetes_platform + cluster.kubernetes_platform + end + end + end +end diff --git a/app/services/clusters/gcp/provision_service.rb b/app/services/clusters/gcp/provision_service.rb new file mode 100644 index 00000000000..269705000ac --- /dev/null +++ b/app/services/clusters/gcp/provision_service.rb @@ -0,0 +1,49 @@ +module Clusters + module Gcp + class ProvisionService + attr_reader :provider + + def execute(provider) + @provider = provider + + unless operation.status == 'RUNNING' || operation.status == 'PENDING' + return provider.make_errored!("Operation status is unexpected; #{operation.status_message}") + end + + provider.operation_id = operation_id + + unless provider.operation_id + return provider.make_errored!('Can not find operation_id from self_link') + end + + if provider.make_creating + WaitForClusterCreationWorker.perform_in( + WaitForClusterCreationWorker::INITIAL_INTERVAL, provider.id) + else + return provider.make_errored!("Failed to update provider record; #{provider.errors}") + end + rescue Google::Apis::ServerError, Google::Apis::ClientError, Google::Apis::AuthorizationError => e + return provider.make_errored!("Failed to request to CloudPlatform; #{e.message}") + end + + private + + def operation_id + api_client.parse_operation_id(operation.self_link) + end + + def operation + @operation ||= api_client.projects_zones_providers_create( + provider.project_id, + provider.provider_zone, + provider.provider_name, + provider.provider_size, + machine_type: provider.machine_type) + end + + def api_client + provider.api_client + end + end + end +end diff --git a/app/services/clusters/gcp/verify_provision_status_service.rb b/app/services/clusters/gcp/verify_provision_status_service.rb new file mode 100644 index 00000000000..466ea986516 --- /dev/null +++ b/app/services/clusters/gcp/verify_provision_status_service.rb @@ -0,0 +1,44 @@ +module Clusters + module Gcp + class VerifyProvisionStatusService + attr_reader :provider + + INITIAL_INTERVAL = 2.minutes + EAGER_INTERVAL = 10.seconds + TIMEOUT = 20.minutes + + def execute(provider) + @provider = provider + + request_operation do |operation| + case operation.status + when 'RUNNING' + continue_creation(operation) + when 'DONE' + finalize_creation + else + return provider.make_errored!("Unexpected operation status; #{operation.status} #{operation.status_message}") + end + end + end + + private + + def continue_creation(operation) + if TIMEOUT < Time.now.utc - operation.start_time.to_time.utc + return provider.make_errored!("Cluster creation time exceeds timeout; #{TIMEOUT}") + end + + WaitForClusterCreationWorker.perform_in(EAGER_INTERVAL, provider.cluster_id) + end + + def finalize_creation + Clusters::Gcp::FinalizeCreationService.new.execute(provider) + end + + def request_operation(&blk) + Clusters::FetchGcpOperationService.new.execute(provider, &blk) + end + end + end +end -- cgit v1.2.3