api data redesign part2. add db query function

grid.py

@@ -20,16 +20,11 @@ logger = ioconfig.logger
 config = ioconfig.parser
 
 def query(json):
-    if json['type'] == 'deploy' or json['type'] == 'router':
+    data = read(json)
-       data = read(json)
+    if json['type'] == 'kvm' or json['type'] == 'lxc':
-       return data['slave'], data['type'], data['phyid'], data['hostname'], data['clientemail']
+       return data['slave'], data['phyid'], data['hostname'], data['clientemail']
-
+    if json['type'] == 'vmbr':
-    if json['type'] == 'bridge':
+       return data['slave'], data['phyid'], data['clientemail']
-       data = read(json)
-       return data['slave'], data['type'], data['phyid'], data['clientemail']
-
-def create(data):
-    write(data)
 
 def read(data):
     """ open a metadata file """
@@ -45,7 +40,7 @@ def read(data):
         pass
         return None
 
-def write(data):
+def create(json):
     """ create new metadata file """
     try:
         dbfile = 'db/{}.{}.json'.format(data['type'], data['unit_id'])
@@ -53,10 +48,11 @@ def write(data):
         json.dump(data, dbf)
         dbf.close()
         logger.info('grid> {} --> {}'.format(data, dbfile))
+        return data
     except Exception as e:
         logger.critical('grid> {}'.format(e))
         pass
-    return None
+        return None
 
 def delete(unit_type, unit_id):
     """ remove metadata file """

plugin.py

@@ -83,7 +83,7 @@ def create(json):
                  'slave': slave_name,
                  'phyid': phy_id
                }
-
+        response = { 'status': 'deploy_created', 'unit_id': unit_id, 'hostname': vm_name, 'password': vm_pass, 'slave': real_slave_name }
 
     if json['type'] == 'router':
         create_result = proxobject.nodes(real_slave_name).lxc.post(vmid=int(phy_id),
@@ -107,9 +107,10 @@ def create(json):
                  'slave': slave_name,
                  'phyid': phy_id
                }
+        response = { 'status': 'router_created', 'unit_id': unit_id, 'hostname': vm_name, 'password': vm_pass, 'slave': real_slave_name }
+
 
     if json['type'] == 'bridge':
-        #TODO: CREATE BRIDGE
         data = { 'unit_id': int(unit_id),
                  'type': 'vmbr',
                  'clientid': json['clientid'],
@@ -118,16 +119,18 @@ def create(json):
                  'slave': slave_name,
                  'phyid': phy_id
                }
+        #TODO: CREATE BRIDGE
+        response = { 'status': 'bridge_created', 'unit_id': unit_id, 'hostname': vm_name, 'password': vm_pass, 'slave': real_slave_name }
 
     time.sleep(7) #wait few seconds for the slave to prepare the machine for initial run
 
     grid.create(data)
-    response = { 'status': 'CREATED', 'unit_id': unit_id, 'hostname': vm_name, 'password': vm_pass, 'slave': real_slave_name }
     return response
 
 def remove(json):
     """ terminate an unit """
-    slave_name, unit_type, phy_id, vm_host, vm_owner = grid.query(json)
+    unit_type = json['type']
+    slave_name, phy_id, vm_host, vm_owner = grid.query(json)
     proxobject = auth(slave_name)
     ioconfig.logger.info('%s[%s]> deleting %s %s (%s)' % (vm_owner, slave_name, unit_type, phy_id, vm_host))
     if unit_type == 'kvm':
@@ -136,12 +139,17 @@ def remove(json):
     if unit_type == 'lxc':
         result = proxobject.nodes(slave_name).lxc(phy_id).delete()
         grid.delete(json)
-    response = { 'status':'DELETED'}
+    response = { 'status':'{}_deleted'.format(unit_type) }
     return response
 
+def query(json):
+    """ return the db info of an unit """
+    return grid.query(json)
+
 def status(json):
     """ returns the status of an unit """
-    slave_name, unit_type, phy_id, vm_host, vm_owner = grid.query(json)
+    unit_type = json['type']
+    slave_name, phy_id, vm_host, vm_owner = grid.query(json)
     proxobject = auth(slave_name)
     #slave_name = proxobject.cluster.status.get()[0]['name']
     ioconfig.logger.info('%s[%s]> status of %s %s (%s)' % (vm_owner, slave_name, unit_type, phy_id, vm_host))
@@ -153,7 +161,8 @@ def status(json):
 
 def start(json):
     """ starts a machine """
-    slave_name, unit_type, phy_id, vm_host, vm_owner = grid.query(json)
+    unit_type = json['type']
+    slave_name, phy_id, vm_host, vm_owner = grid.query(json)
     proxobject = auth(slave_name)
     #slave_name = proxobject.cluster.status.get()[0]['name']
     ioconfig.logger.info('%s[%s]> starting %s %s (%s)' % (vm_owner, slave_name, unit_type, phy_id, vm_host))
@@ -167,7 +176,8 @@ def start(json):
 
 def shutdown(json):
     """ acpi shutdown the machine.. """
-    slave_name, unit_type, phy_id, vm_host, vm_owner = grid.query(json)
+    unit_type = json['type']
+    slave_name, phy_id, vm_host, vm_owner = grid.query(json)
     proxobject = auth(slave_name)
     #slave_name = proxobject.cluster.status.get()[0]['name']
     ioconfig.logger.info('%s[%s]> acpi shutdown %s %s (%s)' % (vm_owner, slave_name, unit_type, phy_id, vm_host))
@@ -183,7 +193,8 @@ def shutdown(json):
 
 def stop(json):
     """ poweroff the machine.. """
-    slave_name, unit_type, phy_id, vm_host, vm_owner = grid.query(json)
+    unit_type = json['type']
+    slave_name, phy_id, vm_host, vm_owner = grid.query(json)
     proxobject = auth(slave_name)
     #slave_name = proxobject.cluster.status.get()[0]['name']
     ioconfig.logger.info('%s[%s]> power off %s %s (%s)' % (vm_owner, slave_name, unit_type, phy_id, vm_host))
@@ -199,7 +210,8 @@ def stop(json):
 
 def suspend(json):
     """ suspend machine """
-    slave_name, unit_type, phy_id, vm_host, vm_owner = grid.query(json)
+    unit_type = json['type']
+    slave_name, phy_id, vm_host, vm_owner = grid.query(json)
     proxobject = auth(slave_name)
     #slave_name = proxobject.cluster.status.get()[0]['name']
     ioconfig.logger.info('%s[%s]> suspending %s %s (%s)' % (vm_owner, slave_name, unit_type, phy_id, vm_host))
@@ -213,7 +225,8 @@ def suspend(json):
 
 def resume(json):
     """ resume machine """
-    slave_name, unit_type, phy_id, vm_host, vm_owner = grid.query(json)
+    unit_type = json['type']
+    slave_name, phy_id, vm_host, vm_owner = grid.query(json)
     proxobject = auth(slave_name)
     #slave_name = proxobject.cluster.status.get()[0]['name']
     ioconfig.logger.info('%s[%s]> resuming %s %s (%s)' % (vm_owner, slave_name, unit_type, phy_id, vm_host))
@@ -227,7 +240,8 @@ def resume(json):
 
 def vmrrd(json):
     """ retrieve rrd graphs (PNG) """
-    slave_name, unit_type, phy_id, vm_host, vm_owner = grid.query(json)
+    unit_type = json['type']
+    slave_name, phy_id, vm_host, vm_owner = grid.query(json)
     proxobject = auth(slave_name)
     proxobject.cluster.status.get()[0]['name']
 
@@ -255,7 +269,8 @@ def vmrrd(json):
 
 def vmvnc(json):
     """ invoke vnc ticket """
-    slave_name, unit_type, phy_id, vm_host, vm_owner = grid.query(json)
+    unit_type = json['type']
+    slave_name, phy_id, vm_host, vm_owner = grid.query(json)
     proxobject = auth(slave_name)
     #slave_name = proxobject.cluster.status.get()[0]['name']
     ioconfig.logger.info('%s[%s]> invoking vnc ticket for %s %s (%s)' % (vm_owner, slave_name, unit_type, phy_id, vm_host))

proxmaster.py

@@ -41,6 +41,8 @@ def selector(fn, req):
             body = plugin.remove(json)
         elif fn == 'status':
             body = plugin.status(json)
+        elif fn == 'query':
+            body = grid.query(json)
 
         elif fn == 'start':
             body = plugin.start(json)
@@ -63,7 +65,7 @@ def selector(fn, req):
         raise
 
     else:
-        logger.info('grid> {}'.format(fn))
+        #logger.info('grid> {}'.format(fn))
         status = falcon.HTTP_202
 
     return status, body
@@ -148,6 +150,13 @@ class StatusUnit(object):
         resp.status, response = selector('status', req)
         req.context['result'] = response
 
+class QueryUnit(object):
+    @falcon.before(max_body(64 * 1024))
+    def on_post(self, req, resp):
+        """ query unit info """
+        resp.status, response = selector('query', req)
+        req.context['result'] = response
+
 class SuspendUnit(object):
     @falcon.before(max_body(64 * 1024))
     def on_post(self, req, resp):
@@ -209,6 +218,7 @@ wsgi_app = api = application = falcon.API(middleware=[
 api.add_route('/create', CreateUnit())
 api.add_route('/remove', RemoveUnit())
 api.add_route('/status', StatusUnit())
+api.add_route('/query', QueryUnit())
 
 api.add_route('/start', StartUnit())
 api.add_route('/suspend', SuspendUnit())