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