Refactor std.email action in examples

Related to https://review.openstack.org/#/c/134488/

Change-Id: If4c1f9e86cefcce4a918175fb1eb146d8cd8d361

examples/v1/vm_job/run_vm_job.yaml

@@ -149,34 +149,30 @@ Workflow:
     sendResultEmail:
       action: std.email
       parameters:
-        params:
-          to: [$.admin_email]
-          subject: Workflow result
-          body: |
-            Workflow result of execution {$.__execution.id} is {$.result}
+        from_addr: $.from_email
+        to_addrs: [$.admin_email]
+        subject: Workflow result
+        body: |
+          Workflow result of execution {$.__execution.id} is {$.result}
 
-            -- Thanks, Mistral Team.
-        settings:
-          smtp_server: $.smtp_server
-          from: $.from_email
-          password: $.smtp_password
+          -- Thanks, Mistral Team.
+        smtp_server: $.smtp_server
+        smtp_password: $.smtp_password
       on-finish: deleteVM
 
     # In case of createVM error send e-mail with error message.
     sendCreateVMError:
       action: std.email
       parameters:
-        params:
-          to: [$.admin_email]
-          subject: Workflow error
-          body: |
-            Failed to create a VM in execution {$.__execution.id}
+        from_addr: $.from_email
+        to_addrs: [$.admin_email]
+        subject: Workflow error
+        body: |
+          Failed to create a VM in execution {$.__execution.id}
 
-            -- Thanks, Mistral Team.
-        settings:
-          smtp_server: $.smtp_server
-          from: $.from_email
-          password: $.smtp_password
+          -- Thanks, Mistral Team.
+        smtp_server: $.smtp_server
+        smtp_password: $.smtp_password
       on-finish: deleteVM
 
     # Destroy the VM (request to Nova).

examples/v1/webhooks/demo.yaml

@@ -38,17 +38,18 @@ Workflow:
       requires: [backup_service_data, backup_user_data]
       action: std.email
       parameters:
-        # Use password if smtpd requires TLS authentication (password: None).
-        params:
-          to: [mistral@example.com, boss@example.com]
-          subject: Backup complete
-          body: |
-            Congratulations, the backup is complete
+        from_addr: mistral@example.com
+        to_addrs: [mistral@example.com, boss@example.com]
+        subject: Backup complete
+        body: |
+          Congratulations, the backup is complete
 
-            -- Thanks, Mistral Team.
-        settings:
-          smtp_server: localhost:10025
-          from: mistral@example.com
+          -- Thanks, Mistral Team.
+
+          -- Thanks, Mistral Team.
+        smtp_server: localhost:10025
+        # Use password if smtpd requires TLS authentication (password: None).
+        smtp_password: null
 
     execute_backup:
       requires: [backup_user_data, backup_service_data, send_email]

examples/v2/calculator/calculator.yaml

@@ -87,17 +87,15 @@ workflows:
         description: In case of createVM error send e-mail with error message.
         action: std.email
         input:
-          params:
-            to: [$.to_email]
-            subject: Workflow result
-            body: |
-              Workflow result of execution {$.__execution.id} is {$.result}
+          from_addr: $.from_email
+          to_addrs: [$.to_email]
+          subject: Workflow result
+          body: |
+            Workflow result of execution {$.__execution.id} is {$.result}
 
-              -- Thanks, Mistral Team.
-          settings:
-            smtp_server: $.smtp_server
-            from: $.from_email
-            password: $.smtp_password
+            -- Thanks, Mistral Team.
+          smtp_server: $.smtp_server
+          smtp_password: $.smtp_password
         on-complete:
           - delete_vm
 
@@ -105,18 +103,16 @@ workflows:
         description: In case of createVM error send e-mail with error message.
         action: std.email
         input:
-          params:
-            to: [$.to_email]
-            subject: Workflow error
-            body: |
-              Failed to create a VM in execution {$.__execution.id}
+          from_addr: $.from_email
+          to_addrs: [$.to_email]
+          subject: Workflow error
+          body: |
+            Failed to create a VM in execution {$.__execution.id}
 
-              -- Thanks, Mistral Team.
-          settings:
-            smtp_server: $.smtp_server
-            from: $.from_email
-            password: $.smtp_password
-        on-complete: 
+            -- Thanks, Mistral Team.
+          smtp_server: $.smtp_server
+          smtp_password: $.smtp_password
+        on-complete:
           - delete_vm
 
       delete_vm:

examples/v2/tenant_statistics/tenant_statistics.yaml

@@ -18,21 +18,19 @@ actions:
 
     base: std.email
     base-input:
-      params:
-        to: [$.to_email]
-        subject: OpenStack tenant statistics
-        body: |
-            Statistics for tenant "{$.project_id}"
+      from_addr: $.from_email
+      to_addrs: [$.to_email]
+      subject: OpenStack tenant statistics
+      body: |
+        Statistics for tenant "{$.project_id}"
 
-            Number of virtual machines: {$.vm_count}
-            Number of active virtual machines: {$.active_vm_count}
-            Number of networks: {$.net_count}
+        Number of virtual machines: {$.vm_count}
+        Number of active virtual machines: {$.active_vm_count}
+        Number of networks: {$.net_count}
 
-            -- Sincerely, Mistral Team.
-      settings:
-        from: $.from_email
-        smtp_server: $.smtp_server
-        password: $.smtp_password
+        -- Sincerely, Mistral Team.
+      smtp_server: $.smtp_server
+      smtp_password: $.smtp_password
 
 workflows:
   tenant_statistics: