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# frozen_string_literal: true
module Gitlab
module Kubernetes
class Node
def initialize(cluster)
@cluster = cluster
end
def all
nodes.map do |node|
attributes = node(node)
attributes.merge(node_metrics(node))
end
end
private
attr_reader :cluster
def nodes_from_cluster
graceful_request { cluster.kubeclient.get_nodes }
end
def nodes_metrics_from_cluster
graceful_request { cluster.kubeclient.metrics_client.get_nodes }
end
def nodes
@nodes ||= nodes_from_cluster[:response].to_a
end
def nodes_metrics
@nodes_metrics ||= nodes_metrics_from_cluster[:response].to_a
end
def node_metrics_from_node(node)
nodes_metrics.find do |node_metric|
node_metric.metadata.name == node.metadata.name
end
end
def graceful_request(&block)
::Gitlab::Kubernetes::KubeClient.graceful_request(cluster.id, &block)
end
def node(node)
{
'metadata' => {
'name' => node.metadata.name
},
'status' => {
'capacity' => {
'cpu' => node.status.capacity.cpu,
'memory' => node.status.capacity.memory
},
'allocatable' => {
'cpu' => node.status.allocatable.cpu,
'memory' => node.status.allocatable.memory
}
}
}
end
def node_metrics(node)
node_metrics = node_metrics_from_node(node)
return {} unless node_metrics
{
'usage' => {
'cpu' => node_metrics.usage.cpu,
'memory' => node_metrics.usage.memory
}
}
end
end
end
end
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