Class: ElasticAPM::Metadata::SystemInfo::ContainerInfo Private

Inherits:
Object
  • Object
show all
Defined in:
lib/elastic_apm/metadata/system_info/container_info.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Constant Summary collapse

CGROUP_PATH =

This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future. 

'/proc/self/cgroup'

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cgroup_path: CGROUP_PATH) ⇒ ContainerInfo

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of ContainerInfo.



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# File 'lib/elastic_apm/metadata/system_info/container_info.rb', line 30

def initialize(cgroup_path: CGROUP_PATH)
  @cgroup_path = cgroup_path
end

Instance Attribute Details

#cgroup_path ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/elastic_apm/metadata/system_info/container_info.rb', line 34

def cgroup_path
  @cgroup_path
end

#container_id ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/elastic_apm/metadata/system_info/container_info.rb', line 27

def container_id
  @container_id
end

#kubernetes_namespace ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/elastic_apm/metadata/system_info/container_info.rb', line 27

def kubernetes_namespace
  @kubernetes_namespace
end

#kubernetes_node_name ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/elastic_apm/metadata/system_info/container_info.rb', line 27

def kubernetes_node_name
  @kubernetes_node_name
end

#kubernetes_pod_name ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/elastic_apm/metadata/system_info/container_info.rb', line 27

def kubernetes_pod_name
  @kubernetes_pod_name
end

#kubernetes_pod_uid ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/elastic_apm/metadata/system_info/container_info.rb', line 27

def kubernetes_pod_uid
  @kubernetes_pod_uid
end

Class Method Details

.read!(hostname) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/elastic_apm/metadata/system_info/container_info.rb', line 43

def self.read!(hostname)
  new.read!(hostname)
end

Instance Method Details

#container ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/elastic_apm/metadata/system_info/container_info.rb', line 47

def container
  @container ||=
    begin
      return unless container_id
      { id: container_id }
    end
end

#kubernetes ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/elastic_apm/metadata/system_info/container_info.rb', line 55

def kubernetes
  @kubernetes =
    begin
      kubernetes = {
        namespace: kubernetes_namespace,
        node: { name: kubernetes_node_name },
        pod: {
          name: kubernetes_pod_name,
          uid: kubernetes_pod_uid
        }
      }
      return nil if kubernetes.values.all?(&:nil?)

      kubernetes
    end
end

#read!(hostname) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/elastic_apm/metadata/system_info/container_info.rb', line 36

def read!(hostname)
  read_from_cgroup!
  self.kubernetes_pod_name = hostname if kubernetes_pod_uid
  read_from_env!
  self
end