91 lines
2.5 KiB
Ruby
91 lines
2.5 KiB
Ruby
module Gitlab
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module Kubernetes
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module Helm
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class Pod
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def initialize(command, namespace_name, kubeclient)
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@command = command
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@namespace_name = namespace_name
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@kubeclient = kubeclient
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end
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def generate
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spec = { containers: [container_specification], restartPolicy: 'Never' }
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if command.chart_values_file
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create_config_map
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spec[:volumes] = volumes_specification
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end
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::Kubeclient::Resource.new(metadata: metadata, spec: spec)
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end
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private
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attr_reader :command, :namespace_name, :kubeclient
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def container_specification
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container = {
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name: 'helm',
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image: 'alpine:3.6',
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env: generate_pod_env(command),
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command: %w(/bin/sh),
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args: %w(-c $(COMMAND_SCRIPT))
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}
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container[:volumeMounts] = volume_mounts_specification if command.chart_values_file
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container
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end
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def labels
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{
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'gitlab.org/action': 'install',
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'gitlab.org/application': command.name
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}
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end
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def metadata
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{
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name: command.pod_name,
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namespace: namespace_name,
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labels: labels
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}
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end
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def volume_mounts_specification
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[
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{
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name: 'configuration-volume',
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mountPath: "/data/helm/#{command.name}/config"
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}
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]
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end
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def volumes_specification
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[
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{
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name: 'configuration-volume',
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configMap: {
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name: 'values-content-configuration',
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items: [{ key: 'values', path: 'values.yaml' }]
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}
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}
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]
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end
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def generate_pod_env(command)
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{
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HELM_VERSION: Gitlab::Kubernetes::Helm::HELM_VERSION,
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TILLER_NAMESPACE: namespace_name,
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COMMAND_SCRIPT: command.generate_script(namespace_name)
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}.map { |key, value| { name: key, value: value } }
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end
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def create_config_map
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resource = ::Kubeclient::Resource.new
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resource.metadata = { name: 'values-content-configuration', namespace: namespace_name, labels: { name: 'values-content-configuration' } }
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resource.data = { values: File.read(command.chart_values_file) }
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kubeclient.create_config_map(resource)
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end
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end
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end
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end
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end
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