Allow modification of a VM profile

And fix some bugs around this.

Fixes #76

client-api/api_lib/pvcapi_helper.py

@@ -478,12 +478,17 @@ def get_vm_meta(vm):
 
     return retdata, retcode
 
-def update_vm_meta(vm, limit, selector, autostart):
+def update_vm_meta(vm, limit, selector, autostart, provisioner_profile):
     """
     Update metadata of a VM.
     """
     zk_conn = pvc_common.startZKConnection(config['coordinators'])
-    retflag, retdata = pvc_vm.modify_vm_metadata(zk_conn, vm, limit, selector, bool(strtobool(autostart)))
+    if autostart is not None:
+        try:
+            autostart = bool(strtobool(autostart))
+        except:
+            autostart = False
+    retflag, retdata = pvc_vm.modify_vm_metadata(zk_conn, vm, limit, selector, autostart, provisioner_profile)
     pvc_common.stopZKConnection(zk_conn)
 
     if retflag:

client-api/pvc-api.py

@@ -1165,6 +1165,7 @@ class API_VM_Metadata(Resource):
         { 'name': 'limit' },
         { 'name': 'selector', 'choices': ('mem', 'vcpus', 'load', 'vms'), 'helptext': "A valid selector must be specified" },
         { 'name': 'autostart' },
+        { 'name': 'profile' },
     ])
     @Authenticator
     def post(self, vm, reqargs):
@@ -1194,6 +1195,11 @@ class API_VM_Metadata(Resource):
             type: boolean
             required: false
             description: Whether to autostart the VM when its node returns to ready domain state
+          - in: query
+            name: profile
+            type: string
+            required: false
+            description: The PVC provisioner profile for the VM
         responses:
           200:
             description: OK
@@ -1210,7 +1216,8 @@ class API_VM_Metadata(Resource):
             vm,
             reqargs.get('limit', None),
             reqargs.get('selector', None),
-            reqargs.get('autostart', None)
+            reqargs.get('autostart', None),
+            reqargs.get('profile', None)
         )
 api.add_resource(API_VM_Metadata, '/vm/<vm>/meta')
 

client-cli/cli_lib/vm.py

@@ -120,37 +120,30 @@ def vm_modify(config, vm, xml, restart):
 
     return retstatus, response.json()['message']
 
-def vm_metadata(config, vm, node_limit, node_selector, node_autostart):
+def vm_metadata(config, vm, node_limit, node_selector, node_autostart, provisioner_profile):
     """
     Modify PVC metadata of a VM
 
     API endpoint: GET /vm/{vm}/meta,  POST /vm/{vm}/meta
-    API arguments: limit={node_limit}, selector={node_selector}, autostart={node_autostart}
+    API arguments: limit={node_limit}, selector={node_selector}, autostart={node_autostart}, profile={provisioner_profile}
     API schema: {"message":"{data}"}
     """
-    response = call_api(config, 'get', '/vm/{vm}/meta'.format(vm=vm))
-
-    metadata = response.json()
+    params = dict()
 
     # Update any params that we've sent
     if node_limit is not None:
-        metadata['node_limit'] = node_limit
-    else:
-        # Collapse the existing list back down to a CSV
-        metadata['node_limit'] = ','.join(metadata['node_limit'])
+        params['limit'] = node_limit
 
     if node_selector is not None:
-        metadata['node_selector'] = node_selector
+        params['selector'] = node_selector
 
     if node_autostart is not None:
-        metadata['node_autostart'] = node_autostart
+        params['autostart'] = node_autostart
+
+    if provisioner_profile is not None:
+        params['profile'] = provisioner_profile
 
     # Write the new metadata
-    params={
-        'limit': metadata['node_limit'],
-        'selector': metadata['node_selector'],
-        'autostart': metadata['node_autostart']
-    }
     response = call_api(config, 'post', '/vm/{vm}/meta'.format(vm=vm), params=params)
 
     if response.status_code == 200:

client-cli/pvc.py

@@ -547,18 +547,22 @@ def vm_define(vmconfig, target_node, node_limit, node_selector, node_autostart):
     '-a/-A', '--autostart/--no-autostart', 'node_autostart', is_flag=True, default=None,
     help='Start VM automatically on next unflush/ready state of home node; unset by daemon once used.'
 )
+@click.option(
+    '-p', '--profile', 'provisioner_profile', default=None, show_default=False,
+    help='PVC provisioner profile name for VM.'
+)
 @click.argument(
     'domain'
 )
-def vm_meta(domain, node_limit, node_selector, node_autostart):
+def vm_meta(domain, node_limit, node_selector, node_autostart, provisioner_profile):
     """
     Modify the PVC metadata of existing virtual machine DOMAIN. At least one option to update must be specified. DOMAIN may be a UUID or name.
     """
 
-    if node_limit is None and node_selector is None and node_autostart is None:
+    if node_limit is None and node_selector is None and node_autostart is None and provisioner_profile is None:
         cleanup(False, 'At least one metadata option must be specified to update.')
 
-    retcode, retmsg = pvc_vm.vm_metadata(config, domain, node_limit, node_selector, node_autostart)
+    retcode, retmsg = pvc_vm.vm_metadata(config, domain, node_limit, node_selector, node_autostart, provisioner_profile)
     cleanup(retcode, retmsg)
 
 ###############################################################################

client-common/vm.py

@@ -215,7 +215,7 @@ def define_vm(zk_conn, config_data, target_node, node_limit, node_selector, node
 
     return True, 'Added new VM with Name "{}" and UUID "{}" to database.'.format(dom_name, dom_uuid)
 
-def modify_vm_metadata(zk_conn, domain, node_limit, node_selector, node_autostart):
+def modify_vm_metadata(zk_conn, domain, node_limit, node_selector, node_autostart, provisioner_profile):
     dom_uuid = getDomainUUID(zk_conn, domain)
     if not dom_uuid:
         return False, 'ERROR: Could not find VM "{}" in the cluster!'.format(domain)
@@ -235,6 +235,11 @@ def modify_vm_metadata(zk_conn, domain, node_limit, node_selector, node_autostar
             '/domains/{}/node_autostart'.format(dom_uuid): node_autostart
         })
 
+    if provisioner_profile is not None:
+        zkhandler.writedata(zk_conn, {
+            '/domains/{}/profile'.format(dom_uuid): provisioner_profile
+        })
+
     return True, 'Successfully modified PVC metadata of VM "{}".'.format(domain)
 
 def modify_vm(zk_conn, domain, restart, new_vm_config):