ansible role update

ansible/roles/helm_install/files/elasticsearch/examples/upgrade/Makefile

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+default: test
+
+include ../../../helpers/examples.mk
+
+CHART := elasticsearch
+RELEASE := helm-es-upgrade
+FROM := 7.17.1	# upgrade from versions before 7.17.1 isn't compatible with 8.x
+
+install:
+	../../../helpers/upgrade.sh --chart $(CHART) --release $(RELEASE) --from $(FROM)
+	# Rolling upgrade doesn't work when upgrading from clusters with security disabled.
+	# This is because nodes with security enabled can't join a cluster with security disabled.
+	# Every nodes need to be recreated at the same time so they can recreate a cluster with security enabled
+	kubectl delete pod --selector=app=upgrade-master
+
+test: install goss
+
+purge:
+	helm del $(RELEASE)

ansible/roles/helm_install/files/elasticsearch/examples/upgrade/README.md

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+# Upgrade
+
+This example will deploy a 3 node Elasticsearch cluster chart using an old chart
+version, then upgrade it.
+
+
+## Usage
+
+* Deploy and upgrade Elasticsearch chart with the default values: `make install`
+
+
+## Testing
+
+You can also run [goss integration tests][] using `make test`.
+
+
+[goss integration tests]: https://github.com/elastic/helm-charts/tree/main/elasticsearch/examples/upgrade/test/goss.yaml

ansible/roles/helm_install/files/elasticsearch/examples/upgrade/test/goss.yaml

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+http:
+  https://localhost:9200/_cluster/health:
+    status: 200
+    username: elastic
+    password: "{{ .Env.ELASTIC_PASSWORD }}"
+    allow-insecure: true
+    timeout: 2000
+    body:
+      - "green"
+      - '"number_of_nodes":3'
+      - '"number_of_data_nodes":3'
+
+  https://localhost:9200:
+    status: 200
+    username: elastic
+    password: "{{ .Env.ELASTIC_PASSWORD }}"
+    allow-insecure: true
+    timeout: 2000
+    body:
+      - '"number" : "8.4.1"'
+      - '"cluster_name" : "upgrade"'
+      - "You Know, for Search"

ansible/roles/helm_install/files/elasticsearch/examples/upgrade/values.yaml

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+---
+clusterName: upgrade
+# Rolling upgrade doesn't work when upgrading from clusters with security disabled.
+# This is because nodes with security enabled can't join a cluster with security disabled.
+# Every nodes need to be recreated at the same time so they can recreate a cluster with security enabled
+updateStrategy: OnDelete