Adds awsacm processor that completely ignores AWS ACM validation CNAME records at source and destination

octodns/processor/awsacm.py

@@ -0,0 +1,46 @@
+#
+# Ignores AWS ACM validation CNAME records.
+#
+
+from __future__ import absolute_import, division, print_function, \
+    unicode_literals
+
+from logging import getLogger
+
+from .base import BaseProcessor
+
+
+class AwsAcmMangingProcessor(BaseProcessor):
+    log = getLogger('AwsAcmMangingProcessor')
+
+    def __init__(self, name):
+        '''
+        processors:
+          awsacm:
+            class: octodns.processor.acme.AwsAcmMangingProcessor
+
+        ...
+
+        zones:
+          something.com.:
+          ...
+          processors:
+            - awsacm
+          ...
+        '''
+        super(AwsAcmMangingProcessor, self).__init__(name)
+
+    def _ignore_awsacm_cnames(self, zone):
+        for r in zone.records:
+            if r._type == 'CNAME' and \
+                r.name.startswith('_') \
+                    and r.value.endswith('.acm-validations.aws.'):
+                self.log.info('_process: ignoring %s', r.fqdn)
+                zone.remove_record(r)
+        return zone
+
+    def process_source_zone(self, desired, *args, **kwargs):
+        return self._ignore_awsacm_cnames(desired)
+
+    def process_target_zone(self, existing, *args, **kwargs):
+        return self._ignore_awsacm_cnames(existing)