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|
module Gitlab
module Kubernetes
module Helm
class Pod
def initialize(command, namespace_name)
@command = command
@namespace_name = namespace_name
end
def generate
spec = { containers: [container_specification], restartPolicy: 'Never' }
if command.config_map?
spec[:volumes] = volumes_specification
spec[:containers][0][:volumeMounts] = volume_mounts_specification
end
::Kubeclient::Resource.new(metadata: metadata, spec: spec)
end
private
attr_reader :command, :namespace_name, :kubeclient, :config_map
def container_specification
{
name: 'helm',
image: 'alpine:3.6',
env: generate_pod_env(command),
command: %w(/bin/sh),
args: %w(-c $(COMMAND_SCRIPT))
}
end
def labels
{
'gitlab.org/action': 'install',
'gitlab.org/application': command.name
}
end
def metadata
{
name: command.pod_name,
namespace: namespace_name,
labels: labels
}
end
def generate_pod_env(command)
{
HELM_VERSION: Gitlab::Kubernetes::Helm::HELM_VERSION,
TILLER_NAMESPACE: namespace_name,
COMMAND_SCRIPT: command.generate_script
}.map { |key, value| { name: key, value: value } }
end
def volumes_specification
[
{
name: 'configuration-volume',
configMap: {
name: "values-content-configuration-#{command.name}",
items: [{ key: 'values', path: 'values.yaml' }]
}
}
]
end
def volume_mounts_specification
[
{
name: 'configuration-volume',
mountPath: "/data/helm/#{command.name}/config"
}
]
end
end
end
end
end
|
