Merge branch 'master' of github.com:open-cloud/xos
diff --git a/xos/observers/base/SyncInstanceUsingAnsible.py b/xos/observers/base/SyncInstanceUsingAnsible.py
new file mode 100644
index 0000000..9455780
--- /dev/null
+++ b/xos/observers/base/SyncInstanceUsingAnsible.py
@@ -0,0 +1,95 @@
+import hashlib
+import os
+import socket
+import sys
+import base64
+import time
+from django.db.models import F, Q
+from xos.config import Config
+from observer.syncstep import SyncStep
+from observer.ansible import run_template_ssh
+from core.models import Service, Slice
+from util.logger import Logger, logging
+
+logger = Logger(level=logging.INFO)
+
+class SyncInstanceUsingAnsible(SyncStep):
+ # All of the following should be defined for classes derived from this
+ # base class. Examples below use VCPETenant.
+
+ # provides=[VCPETenant]
+ # observes=VCPETenant
+ # requested_interval=0
+ # template_name = "sync_vcpetenant.yaml"
+ # service_key_name = "/opt/xos/observers/vcpe/vcpe_private_key"
+
+ def __init__(self, **args):
+ SyncStep.__init__(self, **args)
+
+ def defer_sync(self, o, reason):
+ logger.info("defer object %s due to %s" % (str(o), reason))
+ raise Exception("defer object %s due to %s" % (str(o), reason))
+
+ def get_extra_attributes(self, o):
+ # This is a place to include extra attributes that aren't part of the
+ # object itself.
+
+ return {}
+
+ def get_instance(self, o):
+ # We need to know what instance is associated with the object. Let's
+ # assume 'o' has a field called 'instance'. If the field is called
+ # something else, or if custom logic is needed, then override this
+ # method.
+
+ return o.instance
+
+ def run_playbook(self, o, fields):
+ tStart = time.time()
+ run_template_ssh(self.template_name, fields)
+ logger.info("playbook execution time %d" % int(time.time()-tStart))
+
+ def pre_sync_hook(self, o, fields):
+ pass
+
+ def post_sync_hook(self, o, fields):
+ pass
+
+ def sync_fields(self, o, fields):
+ self.run_playbook(o, fields)
+
+ def sync_record(self, o):
+ logger.info("sync'ing object %s" % str(o))
+
+ instance = self.get_instance(o)
+ if not instance:
+ self.defer_sync(o, "waiting on instance")
+ return
+
+ if not os.path.exists(self.service_key_name):
+ raise Exception("Service key %s does not exist" % self.service_key_name)
+
+ service_key = file(self.service_key_name).read()
+
+ fields = { "instance_name": instance.name,
+ "hostname": instance.node.name,
+ "instance_id": instance.instance_id,
+ "private_key": service_key,
+ "ansible_tag": "vcpe_tenant_" + str(o.id)
+ }
+
+ # If 'o' defines a 'sync_attributes' list, then we'll copy those
+ # attributes into the Ansible recipe's field list automatically.
+ if hasattr(o, "sync_attributes"):
+ for attribute_name in o.sync_attributes:
+ fields[attribute_name] = getattr(o, attribute_name)
+
+ fields.update(self.get_extra_attributes(o))
+
+ self.sync_fields(o, fields)
+
+ o.save()
+
+ def delete_record(self, m):
+ pass
+