Class: Gitlab::Kubernetes::Deployment

Inherits:
Object
  • Object
show all
Includes:
Utils::StrongMemoize
Defined in:
lib/gitlab/kubernetes/deployment.rb

Constant Summary collapse

STABLE_TRACK_VALUE = 
'stable'

Instance Method Summary collapse

Constructor Details

#initialize(attributes = {}, pods: []) ⇒ Deployment

Returns a new instance of Deployment.



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# File 'lib/gitlab/kubernetes/deployment.rb', line 10

def initialize(attributes = {}, pods: [])
  @attributes = attributes
  @pods = pods
end

Instance Method Details

#annotations ⇒ Object 



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# File 'lib/gitlab/kubernetes/deployment.rb', line 23

def annotations
  metadata.fetch('annotations', {})
end

#created_instances ⇒ Object 



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# File 'lib/gitlab/kubernetes/deployment.rb', line 47

def created_instances
  filtered_pods_by_track.map do |pod|
    pod_metadata = pod.fetch('metadata', {})
    pod_name = pod_metadata['name'] || pod_metadata['generateName']
    pod_status = pod.dig('status', 'phase')

    deployment_instance(pod_name: pod_name, pod_status: pod_status)
  end
end

#filtered_pods_by_track ⇒ Object 



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# File 'lib/gitlab/kubernetes/deployment.rb', line 68

def filtered_pods_by_track
  strong_memoize(:filtered_pods_by_track) do
    @pods.select { |pod| has_same_track?(pod) }
  end
end

#instances ⇒ Object 



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# File 'lib/gitlab/kubernetes/deployment.rb', line 74

def instances
  created_instances + not_created_instances
end

#labels ⇒ Object 



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# File 'lib/gitlab/kubernetes/deployment.rb', line 19

def labels
  metadata.fetch('labels', {})
end

#name ⇒ Object 



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# File 'lib/gitlab/kubernetes/deployment.rb', line 15

def name
  metadata['name'] || 'unknown'
end

#not_created_instances ⇒ Object

These are replicas that did not get created yet, So they still do not have any associated pod, these are marked as pending instances.



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# File 'lib/gitlab/kubernetes/deployment.rb', line 60

def not_created_instances
  pending_instances_count = wanted_instances - filtered_pods_by_track.count

  return [] if pending_instances_count <= 0

  Array.new(pending_instances_count, deployment_instance(pod_name: 'Not provided', pod_status: 'Pending'))
end

#order ⇒ Object 



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# File 'lib/gitlab/kubernetes/deployment.rb', line 35

def order
  stable? ? 1 : 0
end

#outdated? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gitlab/kubernetes/deployment.rb', line 39

def outdated?
  observed_generation < generation
end

#stable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gitlab/kubernetes/deployment.rb', line 31

def stable?
  track == 'stable'
end

#track ⇒ Object 



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# File 'lib/gitlab/kubernetes/deployment.rb', line 27

def track
  labels.fetch('track', STABLE_TRACK_VALUE)
end

#wanted_instances ⇒ Object 



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# File 'lib/gitlab/kubernetes/deployment.rb', line 43

def wanted_instances
  spec.fetch('replicas', 0)
end