Class: Krane::DaemonSet

Inherits:
PodSetBase show all
Defined in:
lib/krane/kubernetes_resource/daemon_set.rb

Defined Under Namespace

Classes: Node

Constant Summary collapse

TIMEOUT = 
5.minutes
SYNC_DEPENDENCIES = 
%w(Pod)

Constants inherited from KubernetesResource

KubernetesResource::ALLOWED_DEPLOY_METHOD_OVERRIDES, KubernetesResource::DEBUG_RESOURCE_NOT_FOUND_MESSAGE, KubernetesResource::DEPLOY_METHOD_OVERRIDE_ANNOTATION, KubernetesResource::DISABLED_EVENT_INFO_MESSAGE, KubernetesResource::DISABLED_LOG_INFO_MESSAGE, KubernetesResource::DISABLE_FETCHING_EVENT_INFO, KubernetesResource::DISABLE_FETCHING_LOG_INFO, KubernetesResource::GLOBAL, KubernetesResource::LAST_APPLIED_ANNOTATION, KubernetesResource::LOG_LINE_COUNT, KubernetesResource::SENSITIVE_TEMPLATE_CONTENT, KubernetesResource::SERVER_DRY_RUNNABLE, KubernetesResource::SERVER_DRY_RUN_DISABLED_ERROR, KubernetesResource::STANDARD_TIMEOUT_MESSAGE, KubernetesResource::TIMEOUT_OVERRIDE_ANNOTATION, KubernetesResource::UNUSUAL_FAILURE_MESSAGE

Instance Attribute Summary collapse

Attributes inherited from KubernetesResource

#context, #deploy_started_at, #global, #name, #namespace, #type

Instance Method Summary collapse

Methods inherited from PodSetBase

#failure_message, #fetch_events, #timeout_message

Methods inherited from KubernetesResource

#<=>, #after_sync, build, class_for_kind, #current_generation, #debug_message, #deploy_method, #deploy_method_override, #deploy_started?, #deploy_timed_out?, #disappeared?, #exists?, #failure_message, #fetch_events, #file_path, #global?, #group, #id, #initialize, kind, #kubectl_resource_type, #observed_generation, #pretty_status, #pretty_timeout_type, #report_status_to_statsd, #selected?, #sensitive_template_content?, #server_dry_run_validated?, #server_dry_runnable_resource?, #sync_debug_info, #terminating?, timeout, #timeout, #timeout_message, #timeout_override, #to_kubeclient_resource, #use_generated_name, #uses_generate_name?, #validate_definition, #validation_error_msg, #validation_failed?, #version

Constructor Details

This class inherits a constructor from Krane::KubernetesResource

Instance Attribute Details

#pods ⇒ Object (readonly)

Returns the value of attribute pods.



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# File 'lib/krane/kubernetes_resource/daemon_set.rb', line 7

def pods
  @pods
end

Instance Method Details

#deploy_failed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/krane/kubernetes_resource/daemon_set.rb', line 27

def deploy_failed?
  pods.present? && pods.any?(&:deploy_failed?) &&
  observed_generation == current_generation
end

#deploy_succeeded? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/krane/kubernetes_resource/daemon_set.rb', line 20

def deploy_succeeded?
  return false unless exists?
  current_generation == observed_generation &&
    rollout_data["desiredNumberScheduled"].to_i == rollout_data["updatedNumberScheduled"].to_i &&
    relevant_pods_ready?
end

#fetch_debug_logs ⇒ Object 



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# File 'lib/krane/kubernetes_resource/daemon_set.rb', line 32

def fetch_debug_logs
  most_useful_pod = pods.find(&:deploy_failed?) || pods.find(&:deploy_timed_out?) || pods.first
  most_useful_pod.fetch_debug_logs
end

#print_debug_logs? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/krane/kubernetes_resource/daemon_set.rb', line 37

def print_debug_logs?
  pods.present? # the kubectl command times out if no pods exist
end

#status ⇒ Object 



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# File 'lib/krane/kubernetes_resource/daemon_set.rb', line 15

def status
  return super unless exists?
  rollout_data.map { |state_replicas, num| "#{num} #{state_replicas}" }.join(", ")
end

#sync(cache) ⇒ Object 



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# File 'lib/krane/kubernetes_resource/daemon_set.rb', line 9

def sync(cache)
  super
  @pods = exists? ? find_pods(cache) : []
  @nodes = find_nodes(cache) if @nodes.blank?
end