Cherry-pick from release-0.2: "Add demo service"

Add new service for demo

Change-Id: Ieb2a401ecd17a06c3a08aaa1a605b651ba2cf2b8

Update demo service configuration

Change-Id: I277e263f633d646c4d28624ce948a4e5e9828420

Remove image selection for demo service

Change-Id: I37de04ed955fe80e865349c991b404519d26580f

Revert to previous commit. Fix bug in detail info

Change-Id: I35151e5a5e8e45def36b4251085e79c2503a099e

muranodashboard/panel/services/forms.py

@@ -229,6 +229,7 @@ class ServiceConfigurationForm(UpdatableFieldsForm):
                     for (k, v) in spec.iteritems())
             else:
                 return spec
+        #TODO: add try-except if unit_templates is not in service description
         return [parse_spec(spec) for spec in self.service.unit_templates]
 
     def extract_attributes(self, attributes):

muranodashboard/panel/tabs.py

@@ -58,10 +58,11 @@ class OverviewTab(tabs.Tab):
                     text += '    (# transforms into index number)'
                 detail_info['Hostname template'] = text
 
-        if not service_data.domain:
-            detail_info['Domain'] = 'Not in domain'
-        else:
-            detail_info['Domain'] = service_data.domain
+        if hasattr(service_data, 'domain'):
+            if not service_data.domain:
+                detail_info['Domain'] = 'Not in domain'
+            else:
+                detail_info['Domain'] = service_data.domain
 
         if hasattr(service_data, 'repository'):
             detail_info['Application repository'] = service_data.repository

muranodashboard/services/Demo.yaml

@@ -0,0 +1,79 @@
+name: Demo Service
+type: demoService
+
+description: >-
+  <strong> Demo Service </strong>
+  shows how Murano is working.
+
+unitTemplates:
+  - {}
+
+forms:
+  - serviceConfiguration:
+      fields:
+        - name: configuration
+          type: string
+          hidden: true
+          initial: standalone
+        - name: name
+          type: string
+          label: Service Name
+          description: >-
+            To identify your service in logs please specify a service name
+        - name: dcInstances
+          type: instance
+          label: Instance Count
+          description: >-
+            Murano can provision more then one instance of the service at a time.
+            For a demo scenario only 2 instances are allowed.
+          attributeNames: units
+          minValue: 1
+          maxValue: 2
+          initial: 2
+          helpText: Enter 1 and 2 value
+        - name: unitNamingPattern
+          type: string
+          label: Hostname template
+          description: >-
+            For your convenience all instance hostnames can be named
+            in the same way. Enter a name and use # character for incrementation.
+            For example, host# turns into host1, host2, etc. Please follow Windows
+            hostname restrictions.
+          required: false
+          regexpValidator: '^(([a-zA-Z0-9#][a-zA-Z0-9-#]*[a-zA-Z0-9#])\.)*([A-Za-z0-9#]|[A-Za-z0-9#][A-Za-z0-9-#]*[A-Za-z0-9#])$'
+          helpText: Optional field for a machine hostname template
+          # temporaryHack
+          widgetMedia:
+            js: [muranodashboard/js/support_placeholder.js]
+            css: {all: [muranodashboard/css/support_placeholder.css]}
+      validators:
+        # if unitNamingPattern is given and dcInstances > 1, then '#' should occur in unitNamingPattern
+        - expr: {YAQL: not $.serviceConfiguration.unitNamingPattern.bool() or ('#' in $.serviceConfiguration.unitNamingPattern)}
+          message: Incrementation symbol "#" is required in the Hostname template
+  - instanceConfiguration:
+          fields:
+            - name: title
+              type: string
+              required: false
+              hidden: true
+              attributeNames: false
+              descriptionTitle: Instance Configuration
+              description: Specify some instance parameters on which service would be created.
+            - name: flavor
+              type: flavor
+              label: Instance flavor
+              description: >-
+                Select registered in Openstack flavor. Consider that service performance
+                depends on this parameter.
+              required: false
+            - name: osImage
+              type: image
+              label: Instance image
+              description: >-
+                Select valid image for a service. Image should already be prepared and
+                registered in glance.
+            - name: availabilityZone
+              type: azone
+              label: Availability zone
+              description: Select availability zone where service would be installed.
+              required: false