4.0.0 new dataflow on policy-update and catchup

- changed API and functionality - new dataflow
- new dataflow between policy-handler and deployment-handler
  on policy-update and catchup
  = GETting policy_ids+versions and policy-filters from
    deployment-handler
  = PUTting policy-update and catchup in the new message format
  = data segmenting the policy-update/catchup messages to
    deployment-handler to avoid 413 on deployment-handler side
  = matching policies from policy-engine to policies
    and policy-filters from deployment-handler
  = coarsening the policyName filter received from deployment-handler
    to reduce the number messages passed to policy-engine on catchup
  = consolidating sequential policy-updates into a single request
    when the policy-update is busy
- removed policy scope-prefixes from config and logic -
  it is not needed anymore because
  = the policy matching happens directly to policies and
    policy-filters received from deployment-handler
  = on catchup - the policy scope-prefix equivalents are calculated
    based on the data received from deployment-handler
- API - GET /policies_latest now returns the info on deployed
  policy_ids+versions and policy-filters, rather than policies
  of the scope-prefixes previously found in config (obsolete)
- not sending an empty catch_up message to deployment-handler
  when nothing changed
- send policy-removed to deployment-handler when getting
  404-not found from PDP on removal of policy
- config change: removed catch_up.max_skips - obsolete
- brought the latest CommonLogger.py
- minor refactoring - improved naming of variables

Change-Id: I36b3412eefd439088cb693703a6e5f18f4238b00
Signed-off-by: Alex Shatov <alexs@att.com>
Issue-ID: DCAEGEN2-492

1 files changed, 6 insertions, 2 deletions

diff --git a/policyhandler/policy_consts.py b/policyhandler/policy_consts.py
index 90ede47..51ac173 100644
--- a/policyhandler/policy_consts.py
+++ b/policyhandler/policy_consts.py
@@ -29,6 +29,10 @@ AUTO_CATCH_UP = "auto catch_up"
 LATEST_POLICIES = "latest_policies"
 REMOVED_POLICIES = "removed_policies"
 ERRORED_POLICIES = "errored_policies"
-ERRORED_SCOPES = "errored_scopes"
-SCOPE_PREFIXES = "scope_prefixes"
 POLICY_FILTER = "policy_filter"
+POLICY_FILTERS = "policy_filters"
+POLICIES = "policies"
+POLICY_VERSIONS = "policy_versions"
+MATCHING_CONDITIONS = "matchingConditions"
+POLICY_NAMES = "policy_names"
+POLICY_FILTER_MATCHES = "policy_filter_matches"