Devesh's changes to request router models and observer

[plstackapi.git] / planetstack / rr_observer / steps / sync_servicemap.py

diff --git a/planetstack/rr_observer/steps/sync_servicemap.py b/planetstack/rr_observer/steps/sync_servicemap.py
new file mode 100644 (file)
index 0000000..76d2fdd
--- /dev/null
+++ b/planetstack/rr_observer/steps/sync_servicemap.py
@@ -0,0 +1,60 @@
+#!/usr/bin/python
+
+import os
+import sys
+import base64
+import traceback
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.syncstep import SyncStep
+from core.models import Service
+from requestrouter.models import ServiceMap
+from util.logger import Logger, logging
+
+parentdir = os.path.join(os.path.dirname(__file__),"..")
+sys.path.insert(0,parentdir)
+
+from rrlib import RequestRouterLibrary
+from configurationPush import ConfigurationPush
+import rrlib_config
+
+logger = Logger(level=logging.INFO)
+
+class SyncServiceMap(SyncStep, RequestRouterLibrary, ConfigurationPush):
+    provides=[ServiceMap]
+    requested_interval=0
+
+    def __init__(self, **args):
+        SyncStep.__init__(self, **args)
+       RequestRouterLibrary.__init__(self)
+       ConfigurationPush.__init__(self)
+
+    def fetch_pending(self):
+       try:
+               ret = ServiceMap.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+               return ret
+       except Exception, e:
+               traceback.print_exc()
+               return None
+
+    def sync_record(self, servicemap):
+       try:
+               print "sync! %s " % self.get_servicemap_uid(servicemap)
+               self.gen_dnsredir_serviceconf(servicemap)
+               self.gen_dnsdemux_serviceconf(servicemap)
+               # push generated files from temp_config
+               service_uid = self.get_servicemap_uid(servicemap)
+               self.config_push(service_uid, rrlib_config.REDIR_USER, "/opt/planetstack/rr_observer/playbook/site_redir.yml", "/etc/ansible/requestrouter/dnsredir/hosts")
+               self.config_push(service_uid, rrlib_config.DEMUX_USER, "/opt/planetstack/rr_observer/playbook/site_demux.yml", "/etc/ansible/requestrouter/dnsdemux/hosts")
+               self.teardown_temp_configfiles(service_uid)
+       except Exception, e:
+                traceback.print_exc()
+                return False
+
+if __name__ == "__main__":
+    sv = SyncServiceMap()
+
+    recs = sv.fetch_pending()
+
+    for rec in recs:
+        sv.sync_record( rec )