Fix Prometheus etcd metrics scraping
* Prometheus was configured to use kubernetes discovery of etcd targets based on nodes matching the node label node-role.kubernetes.io/controller=true * Kubernetes v1.16 stopped permitting node role labels node-role.kubernetes.io/* so Typhoon renamed these labels (no longer any association with roles) to node.kubermetes.io/controller=true * As a result, Prometheus didn't discover etcd targets, etcd metrics were missing, etcd alerts were ineffective, and the etcd Grafana dashboard was empty * Introduced: https://github.com/poseidon/typhoon/pull/543
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@ -35,6 +35,8 @@ Notable changes between versions.
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#### Addons
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* Fix Prometheus etcd target discovery and scraping ([#561](https://github.com/poseidon/typhoon/pull/561))
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* Fix node label matcher for etcd target discovery (regressed in v1.16.0)
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* Update kube-state-metrics from v1.7.2 to v1.8.0
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* Update nginx-ingress from v0.25.1 to [v0.26.1](https://github.com/kubernetes/ingress-nginx/releases/tag/nginx-0.26.1) ([#555](https://github.com/poseidon/typhoon/pull/555))
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* Add lifecycle hook to allow draining for up to 5 minutes
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@ -115,7 +115,7 @@ data:
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- role: node
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scheme: http
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relabel_configs:
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- source_labels: [__meta_kubernetes_node_label_node_role_kubernetes_io_controller]
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- source_labels: [__meta_kubernetes_node_label_node_kubernetes_io_controller]
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action: keep
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regex: 'true'
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- action: labelmap
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