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Diffstat (limited to 'lib/gitlab/kubernetes/helm.rb')
-rw-r--r--lib/gitlab/kubernetes/helm.rb90
1 files changed, 1 insertions, 89 deletions
diff --git a/lib/gitlab/kubernetes/helm.rb b/lib/gitlab/kubernetes/helm.rb
index 407cdefc04d..0f0588b8b23 100644
--- a/lib/gitlab/kubernetes/helm.rb
+++ b/lib/gitlab/kubernetes/helm.rb
@@ -1,96 +1,8 @@
module Gitlab
module Kubernetes
- class Helm
+ module Helm
HELM_VERSION = '2.7.0'.freeze
NAMESPACE = 'gitlab-managed-apps'.freeze
- INSTALL_DEPS = <<-EOS.freeze
- set -eo pipefail
- apk add -U ca-certificates openssl >/dev/null
- wget -q -O - https://kubernetes-helm.storage.googleapis.com/helm-v${HELM_VERSION}-linux-amd64.tar.gz | tar zxC /tmp >/dev/null
- mv /tmp/linux-amd64/helm /usr/bin/
- EOS
-
- InstallCommand = Struct.new(:name, :install_helm, :chart) do
- def pod_name
- "install-#{name}"
- end
- end
-
- def initialize(kubeclient)
- @kubeclient = kubeclient
- @namespace = Gitlab::Kubernetes::Namespace.new(NAMESPACE, kubeclient)
- end
-
- def install(command)
- @namespace.ensure_exists!
- @kubeclient.create_pod(pod_resource(command))
- end
-
- ##
- # Returns Pod phase
- #
- # https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#pod-phase
- #
- # values: "Pending", "Running", "Succeeded", "Failed", "Unknown"
- #
- def installation_status(pod_name)
- @kubeclient.get_pod(pod_name, @namespace.name).status.phase
- end
-
- def installation_log(pod_name)
- @kubeclient.get_pod_log(pod_name, @namespace.name).body
- end
-
- def delete_installation_pod!(pod_name)
- @kubeclient.delete_pod(pod_name, @namespace.name)
- end
-
- private
-
- def pod_resource(command)
- labels = { 'gitlab.org/action': 'install', 'gitlab.org/application': command.name }
- metadata = { name: command.pod_name, namespace: @namespace.name, labels: labels }
- container = {
- name: 'helm',
- image: 'alpine:3.6',
- env: generate_pod_env(command),
- command: %w(/bin/sh),
- args: %w(-c $(COMMAND_SCRIPT))
- }
- spec = { containers: [container], restartPolicy: 'Never' }
-
- ::Kubeclient::Resource.new(metadata: metadata, spec: spec)
- end
-
- def generate_pod_env(command)
- {
- HELM_VERSION: HELM_VERSION,
- TILLER_NAMESPACE: @namespace.name,
- COMMAND_SCRIPT: generate_script(command)
- }.map { |key, value| { name: key, value: value } }
- end
-
- def generate_script(command)
- [
- INSTALL_DEPS,
- helm_init_command(command),
- helm_install_command(command)
- ].join("\n")
- end
-
- def helm_init_command(command)
- if command.install_helm
- 'helm init >/dev/null'
- else
- 'helm init --client-only >/dev/null'
- end
- end
-
- def helm_install_command(command)
- return if command.chart.nil?
-
- "helm install #{command.chart} --name #{command.name} --namespace #{@namespace.name} >/dev/null"
- end
end
end
end