Rename cloud.provider to azure instead of az in add_cloud_metadat…

…a processor (elastic#20689)

* mofidy doc

* rename azure provider in cloud data

* changelo

(cherry picked from commit d34d1b6)

CHANGELOG.next.asciidoc

@@ -52,6 +52,30 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Fix `setup.dashboards.index` setting not working. {pull}17749[17749]
 - Fix Elasticsearch license endpoint URL referenced in error message. {issue}17880[17880] {pull}18030[18030]
 - Change `decode_json_fields` processor, to merge parsed json objects with existing objects in the event instead of fully replacing them. {pull}17958[17958]
+- [Autodiscover] Check if runner is already running before starting again. {pull}18564[18564]
+- Fix `keystore add` hanging under Windows. {issue}18649[18649] {pull}18654[18654]
+- Fix an issue where error messages are not accurate in mapstriface. {issue}18662[18662] {pull}18663[18663]
+- Fix regression in `add_kubernetes_metadata`, so configured `indexers` and `matchers` are used if defaults are not disabled. {issue}18481[18481] {pull}18818[18818]
+- Fix potential race condition in fingerprint processor. {pull}18738[18738]
+- Add better handling for Kubernetes Update and Delete watcher events. {pull}18882[18882]
+- Fix the `translate_sid` processor's handling of unconfigured target fields. {issue}18990[18990] {pull}18991[18991]
+- Fixed a service restart failure under Windows. {issue}18914[18914] {pull}18916[18916]
+- The `monitoring.elasticsearch.api_key` value is correctly base64-encoded before being sent to the monitoring Elasticsearch cluster. {issue}18939[18939] {pull}18945[18945]
+- Fix kafka topic setting not allowing upper case characters. {pull}18854[18854] {issue}18640[18640]
+- Fix redis key setting not allowing upper case characters. {pull}18854[18854] {issue}18640[18640]
+- Fix config reload metrics (`libbeat.config.module.start/stops/running`). {pull}19168[19168]
+- Fix metrics hints builder to avoid wrong container metadata usage when port is not exposed {pull}18979[18979]
+- Server-side TLS config now validates certificate and key are both specified {pull}19584[19584]
+- Fix terminating pod autodiscover issue. {pull}20084[20084]
+- Fix seccomp policy for calls to `chmod` and `chown`. {pull}20054[20054]
+- Remove unnecessary restarts of metricsets while using Node autodiscover {pull}19974[19974]
+- Output errors when Kibana index pattern setup fails. {pull}20121[20121]
+- Fix issue in autodiscover that kept inputs stopped after config updates. {pull}20305[20305]
+- Log debug message if the Kibana dashboard can not be imported from the archive because of the invalid archive directory structure {issue}12211[12211], {pull}13387[13387]
+- Add service resource in k8s cluster role. {pull}20546[20546]
+- [Metricbeat][Kubernetes] Change cluster_ip field from ip to keyword. {pull}20571[20571]
+- Rename cloud.provider `az` value to `azure` inside the add_cloud_metadata processor. {pull}20689[20689]
+- Add missing country_name geo field in `add_host_metadata` and `add_observer_metadata` processors. {issue}20796[20796] {pull}20811[20811]
 
 *Auditbeat*
 

libbeat/processors/add_cloud_metadata/docs/add_cloud_metadata.asciidoc

@@ -143,7 +143,7 @@ _Azure Virtual Machine_
 -------------------------------------------------------------------------------
 {
   "cloud": {
-    "provider": "az",
+    "provider": "azure",
     "instance.id": "04ab04c3-63de-4709-a9f9-9ab8c0411d5e",
     "instance.name": "test-az-vm",
     "machine.type": "Standard_D3_v2",

libbeat/processors/add_cloud_metadata/provider_azure_vm.go

@@ -46,7 +46,7 @@ var azureVMMetadataFetcher = provider{
 			return out
 		}
 
-		fetcher, err := newMetadataFetcher(config, "az", azHeaders, metadataHost, azSchema, azMetadataURI)
+		fetcher, err := newMetadataFetcher(config, "azure", azHeaders, metadataHost, azSchema, azMetadataURI)
 		return fetcher, err
 	},
 }

libbeat/processors/add_cloud_metadata/provider_azure_vm_test.go

@@ -79,7 +79,7 @@ func TestRetrieveAzureMetadata(t *testing.T) {
 
 	expected := common.MapStr{
 		"cloud": common.MapStr{
-			"provider": "az",
+			"provider": "azure",
 			"instance": common.MapStr{
 				"id":   "04ab04c3-63de-4709-a9f9-9ab8c0411d5e",
 				"name": "test-az-vm",