add spot instance support

Author: Riku Voipio

packet/Device.py

@@ -18,6 +18,8 @@ def __init__(self, data, manager):
         self.locked = data['locked']
         self.operating_system = OperatingSystem(data['operating_system'])
         self.plan = data['plan']
+        self.spot_instance = data.get('spot_instance')
+        self.spot_price_max = data.get('spot_price_max')
         self.state = data['state']
         self.tags = data['tags']
         self.updated_at = data['updated_at']

packet/Manager.py

@@ -83,6 +83,8 @@ def create_device(self,
                       ipxe_script_url='',
                       locked=False,
                       public_ipv4_subnet_size=31,
+                      spot_instance=False,
+                      spot_price_max=-1,
                       tags={},
                       userdata=''):
 
@@ -104,6 +106,9 @@ def create_device(self,
             params['always_pxe'] = always_pxe
             params['ipxe_script_url'] = ipxe_script_url
             params['operating_system'] = 'custom_ipxe'
+        if spot_instance:
+            params['spot_instance'] = spot_instance
+            params['spot_price_max'] = spot_price_max
         data = self.call_api('projects/%s/devices' % project_id, type='POST', params=params)
         return Device(data, self)
 
@@ -173,3 +178,7 @@ def validate_capacity(self, servers):
                 return False
             else:
                 raise e
+
+    def get_spot_market_prices(self, params={}):
+        data = self.call_api('/market/spot/prices', params=params)
+        return data["spot_market_prices"]