feat: add node label on elasticsearch_nodes_roles metric #1111
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This pull request updates the
elasticsearch_nodes_rolesmetric to include the node ID as a new label, improving the uniqueness and traceability of reported node roles. The change modifies both the metric collection logic and the related tests to ensure the new label is present and validated.Enhancements to Node Role Metrics:
node(node ID) label to theelasticsearch_nodes_rolesmetric definition, making each metric instance uniquely identifiable by node ID in addition to cluster, host, and name.collector/nodes.goto iterate over node IDs and include the node ID as a label value when emitting node role metrics. [1] [2]Test Updates:
collector/nodes_test.goto require the newnodelabel in allelasticsearch_nodes_rolesmetric assertions, ensuring tests validate the updated metric format. [1] [2] [3]