Class: HubClustersCreator::Providers::GKE

Inherits:
Object
  • Object
show all
Includes:
Errors, Logging, HubClustersCreator::Providers::GCP::Compute, HubClustersCreator::Providers::GCP::Containers
Defined in:
lib/hub-clusters-creator/providers/gke/gke.rb

Overview

GKE provides the GKE implmentation

Constant Summary collapse

DEFAULT_PSP_CLUSTER_ROLE = 
<<~YAML
  apiVersion: rbac.authorization.k8s.io/v1
  kind: ClusterRole
  metadata:
    name: default:psp
  rules:
  - apiGroups:
    - policy
    resourceNames:
    - gce.unprivileged-addon
    resources:
    - podsecuritypolicies
    verbs:
    - use
YAML
DEFAULT_PSP_CLUSTERROLE_BINDING = 
<<~YAML
  apiVersion: rbac.authorization.k8s.io/v1
  kind: ClusterRoleBinding
  metadata:
    name: default:psp
  roleRef:
    apiGroup: rbac.authorization.k8s.io
    kind: ClusterRole
    name: default:psp
  subjects:
  - apiGroup: rbac.authorization.k8s.io
    kind: Group
    name: system:authenticated
  - apiGroup: rbac.authorization.k8s.io
    kind: Group
    name: system:serviceaccounts
YAML
Container = 
Google::Apis::ContainerV1beta1
Compute = 
Google::Apis::ComputeV1
Dns = 
Google::Apis::DnsV1

Instance Method Summary collapse

Methods included from Logging

#error, #info, #warn

Methods included from HubClustersCreator::Providers::GCP::Compute

#dns, #dns_records, #domain, #domain?, #domains, #network?, #networks, #router, #router?, #routers, #subnet?, #subnets

Constructor Details

#initialize(provider) ⇒ GKE

Returns a new instance of GKE.



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# File 'lib/hub-clusters-creator/providers/gke/gke.rb', line 78

def initialize(provider)
  @account = provider[:account]
  @project = provider[:project]
  @region = provider[:region]
  @compute = Compute::ComputeService.new
  @gke = Container::ContainerService.new
  @dns = Dns::DnsService.new
  @client = nil

  @compute.authorization = authorize
  @gke.authorization = authorize
  @dns.authorization = authorize
end

Instance Method Details

#create(name, config) ⇒ Object

create is responsible for building the infrastructure



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# File 'lib/hub-clusters-creator/providers/gke/gke.rb', line 93

def create(name, config)
  # @step: validate the configuration
  begin
    validate(config)
  rescue StandardError => e
    raise ConfigurationError, "invalid configuration, error: #{e}"
  end

  # @step: provision the infrastructure
  begin
    provision_gke(name, config)
  rescue StandardError => e
    raise InfrastructureError, "failed to provision cluster: '#{name}', error: #{e}"
  end

  # @step: initialize the cluster
  begin
    c = provision_cluster(name, config)
  rescue StandardError => e
    raise InitializerError, "failed to initialize the cluster: '#{name}', error: #{e}"
  end

  {
    cluster: {
      ca: c.master_auth.cluster_ca_certificate,
      endpoint: "https://#{c.endpoint}",
      token: @client.('sysadmin')
    },
    config: config,
    services: {
      grafana: {
        hostname: config[:grafana_hostname]
      }
    }
  }
end

#destroy(name) ⇒ Object

destroy is used to kill off a cluster



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# File 'lib/hub-clusters-creator/providers/gke/gke.rb', line 131

def destroy(name)
  @gke.delete_project_location_cluster("projects/#{@project}/locations/#{@region}/clusters/#{name}")
end