share servicechain objects

implements blueprint share-servicechain-objects

Change-Id: Ie63dd4813a9c1bec857b5c5ba363c5c0abad94b7

specs/juno/introduce-shared-attribute.rst

@@ -8,9 +8,10 @@
 Introduce globally shared resources
 ===================================
 
-Launchpad blueprint:
+Launchpad blueprints:
 
 https://blueprints.launchpad.net/group-based-policy/+spec/introduce-shared-attribute
+https://blueprints.launchpad.net/group-based-policy/+spec/share-servicechain-objects
 
 Today, it's not possible to create shared GBP resources.
 This is especially useful in order to avoid duplication of policies
@@ -41,8 +42,10 @@ following GBP resources:
 - L3 Policies;
 - Network Service policies;
 - Policy Rules;
-- Policy Classifiers.
+- Policy Classifiers;
-- Policy Actions.
+- Policy Actions;
+- Service Chain Nodes;
+- Service Chain Specs.
 
 The behavior will be consistent with Neutron's already existing
 sharing policy. Which means that a given resource can be either
@@ -74,47 +77,89 @@ The proposed default policy.json follows::
      "admin_only": "rule:context_is_admin",
      "regular_user": "",
      "default": "rule:admin_or_owner",
-     "gbp_shared": "field:policy_target_groups:shared=True",
+     "shared_ptg": "field:policy_target_groups:shared=True",
+     "shared_pt": "field:policy_targets:shared=True",
+     "shared_prs": "field:policy_rule_sets:shared=True",
+     "shared_l3p": "field:l3_policies:shared=True",
+     "shared_l2p": "field:l2_policies:shared=True",
+     "shared_es": "field:external_segments:shared=True",
+     "shared_ep": "field:external_policies:shared=True",
+     "shared_pc": "field:policy_classifiers:shared=True",
+     "shared_pa": "field:policy_actions:shared=True",
+     "shared_pr": "field:policy_rules:shared=True",
+     "shared_np": "field:nat_pools:shared=True",
+     "shared_nsp": "field:network_service_policies:shared=True",
+     "shared_scn": "field:servicechain_nodes:shared=True",
+     "shared_scs": "field:servicechain_specs:shared=True",
 
      "create_policy_target_group": "",
      "create_policy_target_group:shared": "rule:admin_only",
-     "get_policy_target_group": "rule:admin_or_owner or rule:gbp_shared",
+     "get_policy_target_group": "rule:admin_or_owner or rule:shared_ptg",
      "update_policy_target_group:shared": "rule:admin_only",
 
      "create_l2_policy": "",
      "create_l2_policy:shared": "rule:admin_only",
-     "get_l2_policy": "rule:admin_or_owner or rule:gbp_shared",
+     "get_l2_policy": "rule:admin_or_owner or rule:shared_l2p",
      "update_l2_policy:shared": "rule:admin_only",
 
      "create_l3_policy": "",
      "create_l3_policy:shared": "rule:admin_only",
-     "get_l3_policy": "rule:admin_or_owner or rule:gbp_shared",
+     "get_l3_policy": "rule:admin_or_owner or rule:shared_l3p",
      "update_l3_policy:shared": "rule:admin_only",
 
      "create_policy_classifier": "",
      "create_policy_classifier:shared": "rule:admin_only",
-     "get_policy_classifier": "rule:admin_or_owner or rule:gbp_shared",
+     "get_policy_classifier": "rule:admin_or_owner or rule:shared_pc",
      "update_policy_classifier:shared": "rule:admin_only",
 
      "create_policy_action": "",
      "create_policy_action:shared": "rule:admin_only",
-     "get_policy_action": "rule:admin_or_owner or rule:gbp_shared",
+     "get_policy_action": "rule:admin_or_owner or rule:shared_pa",
      "update_policy_action:shared": "rule:admin_only",
 
      "create_policy_rule": "",
      "create_policy_rule:shared": "rule:admin_only",
-     "get_policy_rule": "rule:admin_or_owner or rule:gbp_shared",
+     "get_policy_rule": "rule:admin_or_owner or rule:shared_pr",
      "update_policy_rule:shared": "rule:admin_only",
 
      "create_policy_rule_set": "",
      "create_policy_rule_set:shared": "rule:admin_only",
-     "get_policy_rule_set": "rule:admin_or_owner or rule:gbp_shared",
+     "get_policy_rule_set": "rule:admin_or_owner or rule:shared_prs",
      "update_policy_rule_set:shared": "rule:admin_only",
 
      "create_network_service_policy": "",
      "create_network_service_policy:shared": "rule:admin_only",
-     "get_network_service_policy": "rule:admin_or_owner or rule:gbp_shared",
+     "get_network_service_policy": "rule:admin_or_owner or rule:shared_nsp",
-     "update_network_service_policy:shared": "rule:admin_only"
+     "update_network_service_policy:shared": "rule:admin_only",
+
+     "create_external_segment": "",
+     "create_external_segment:shared": "rule:admin_only",
+     "get_external_segment": "rule:admin_or_owner or rule:shared_es",
+     "update_external_segment:shared": "rule:admin_only",
+
+     "create_external_policy": "",
+     "create_external_policy:shared": "rule:admin_only",
+     "get_external_policy": "rule:admin_or_owner or rule:shared_ep",
+     "update_external_policy:shared": "rule:admin_only",
+
+     "create_nat_pool": "",
+     "create_nat_pool:shared": "rule:admin_only",
+     "get_nat_pool": "rule:admin_or_owner or rule:shared_np",
+     "update_nat_pool:shared": "rule:admin_only",
+
+     "create_servicechain_node": "",
+     "create_servicechain_node:shared": "rule:admin_only",
+     "get_servicechain_node": "rule:admin_or_owner or rule:shared_scn",
+     "update_servicechain_node:shared": "rule:admin_only",
+
+     "create_servicechain_spec": "",
+     "create_servicechain_spec:shared": "rule:admin_only",
+     "get_servicechain_spec": "rule:admin_or_owner or rule:shared_scs",
+     "update_servicechain_spec:shared": "rule:admin_only",
+
+     "create_servicechain_instance": "",
+     "get_servicechain_instance": "rule:admin_or_owner",
+     "update_servicechain_instance:shared": "rule:admin_only"
  }
 
 Any datapath impact caused by a shared resource has to be
@@ -128,7 +173,9 @@ following resources:
 - PTG: usable by any tenant when shared for PT placement;
 - Policy Classifiers: usable by any tenant when shared;
 - Policy Actions: usable by any tenant when shared;
-- Policy Rules: usable by any tenant when shared.
+- Policy Rules: usable by any tenant when shared;
+- Service Chain Specs: usable by any tenant when shared;
+- Service Chain Nodes: usable by any tenant when shared.
 
 L3 and L2 policies need to be sharable to allow PTG sharing.
 However, no external tenant could use them because there's no