expose azure settings as env variables (#34484) (#34647)

(cherry picked from commit 92ac2c40d3)

Co-authored-by: Erik Sundell <erik.sundell@grafana.com>

pkg/plugins/backendplugin/manager/manager.go

@@ -81,6 +81,8 @@ func (m *manager) Register(pluginID string, factory backendplugin.PluginFactoryF
 	}
 
 	hostEnv = append(hostEnv, m.getAWSEnvironmentVariables()...)
+	hostEnv = append(hostEnv, m.getAzureEnvironmentVariables()...)
+
 	pluginSettings := getPluginSettings(pluginID, m.Cfg)
 	env := pluginSettings.ToEnv("GF_PLUGIN", hostEnv)
 
@@ -164,6 +166,21 @@ func (m *manager) getAWSEnvironmentVariables() []string {
 	return variables
 }
 
+func (m *manager) getAzureEnvironmentVariables() []string {
+	variables := []string{}
+	if m.Cfg.Azure.Cloud != "" {
+		variables = append(variables, "AZURE_CLOUD="+m.Cfg.Azure.Cloud)
+	}
+	if m.Cfg.Azure.ManagedIdentityClientId != "" {
+		variables = append(variables, "AZURE_MANAGED_IDENTITY_CLIENT_ID="+m.Cfg.Azure.ManagedIdentityClientId)
+	}
+	if m.Cfg.Azure.ManagedIdentityEnabled {
+		variables = append(variables, "AZURE_MANAGED_IDENTITY_ENABLED=true")
+	}
+
+	return variables
+}
+
 //nolint: staticcheck // plugins.DataPlugin deprecated
 func (m *manager) GetDataPlugin(pluginID string) interface{} {
 	p, _ := m.Get(pluginID)