Class: KubeDeployTools::Deployment

Inherits:
KubernetesResource show all
Defined in:
lib/kube_deploy_tools/kubernetes_resource/deployment.rb

Constant Summary collapse

TIMEOUT = 
'60s'

Instance Attribute Summary collapse

Attributes inherited from KubernetesResource

#annotations, #definition, #kind, #name, #namespace

Instance Method Summary collapse

Methods inherited from KubernetesResource

build, #create_definition_tempfile, #file, #filepath, #initialize

Constructor Details

This class inherits a constructor from KubeDeployTools::KubernetesResource

Instance Attribute Details

#found ⇒ Object

Returns the value of attribute found.



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# File 'lib/kube_deploy_tools/kubernetes_resource/deployment.rb', line 10

def found
  @found
end

#local_replicas ⇒ Object

Returns the value of attribute local_replicas.



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# File 'lib/kube_deploy_tools/kubernetes_resource/deployment.rb', line 10

def local_replicas
  @local_replicas
end

#recorded_replicas ⇒ Object

Returns the value of attribute recorded_replicas.



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# File 'lib/kube_deploy_tools/kubernetes_resource/deployment.rb', line 10

def recorded_replicas
  @recorded_replicas
end

#remote_replicas ⇒ Object

Returns the value of attribute remote_replicas.



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# File 'lib/kube_deploy_tools/kubernetes_resource/deployment.rb', line 10

def remote_replicas
  @remote_replicas
end

Instance Method Details

#sync ⇒ Object 



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# File 'lib/kube_deploy_tools/kubernetes_resource/deployment.rb', line 15

def sync
  @local_replicas = @definition["spec"]["replicas"]

  raw_json, _err, st = @kubectl.run("get", "-f", filepath, "--output=json", print_cmd: false, timeout: TIMEOUT)
  @found = st.success?

  if st.success?
    deployment_data = JSON.parse(raw_json)
    @remote_replicas = deployment_data["spec"]["replicas"]
  end

  raw_json, _err, st = @kubectl.run("apply", "view-last-applied", "-f", filepath, "--output=json", print_cmd: false, timeout: TIMEOUT)
  if st.success?
    raw_json = fix_kubectl_apply_view_last_applied_output(raw_json)
    deployment_data = JSON.parse(raw_json)
    @recorded_replicas = deployment_data["spec"]["replicas"]
  end
end

#warn_replicas_mismatch ⇒ Object 



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# File 'lib/kube_deploy_tools/kubernetes_resource/deployment.rb', line 34

def warn_replicas_mismatch
  if @found
    if @local_replicas.present? && @local_replicas.to_i != @remote_replicas.to_i
      warning = "Deployment replica count mismatch! Will scale deployment/#{@name} from #{@remote_replicas} to #{@local_replicas}"
      Logger.warn(warning)
    elsif @local_replicas.nil? && !@recorded_replicas.nil?
      # Check if we're converting to a replicaless Deployment
      warning = "Deployment replica count mismatch! Will scale deployment/#{@name} from #{@remote_replicas} to 1. Run `kubectl apply set-last-applied -f #{@filepath}` first."
      Logger.warn(warning)
    end
  end
end