1 files changed, 121 insertions, 0 deletions
diff --git a/dmaap/dmaapplugin/dr_lifecycle.py b/dmaap/dmaapplugin/dr_lifecycle.py
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+++ b/dmaap/dmaapplugin/dr_lifecycle.py
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+# ============LICENSE_START====================================================
+# org.onap.ccsdk
+# =============================================================================
+# Copyright (c) 2017 AT&T Intellectual Property. All rights reserved.
+# =============================================================================
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ============LICENSE_END======================================================
+
+from cloudify import ctx
+from cloudify.decorators import operation
+from cloudify.exceptions import NonRecoverableError
+from dmaapplugin import DMAAP_API_URL, DMAAP_USER, DMAAP_PASS, DMAAP_OWNER
+from dmaaputils import random_string
+from dmaapcontrollerif.dmaap_requests import DMaaPControllerHandle
+
+# Lifecycle operations for DMaaP Data Router feeds
+
+@operation
+def create_feed(**kwargs):
+    '''
+    Create a new data router feed
+        Expects "feed_name" to be set in node properties
+        Allows "feed_version", "feed_description", and "aspr_classification" as optional properties
+        (Sets default values if not provided )
+        Sets instance runtime properties:
+            - "feed_id"
+            - "publish_url"
+            - "log_url"
+
+    '''
+    try:
+        # Make sure there's a feed_name
+        if "feed_name" in ctx.node.properties.keys():
+            feed_name = ctx.node.properties["feed_name"]
+        else:
+            feed_name = random_string(12)
+
+        # Set defaults/placeholders for the optional properties for the feed
+        if "feed_version" in ctx.node.properties.keys():
+            feed_version = ctx.node.properties["feed_version"]
+        else:
+            feed_version = "0.0"
+        if "feed_description" in ctx.node.properties.keys():
+            feed_description = ctx.node.properties["feed_description"]
+        else:
+            feed_description = "No description provided"
+        if "aspr_classification" in ctx.node.properties.keys():
+            aspr_classification = ctx.node.properties["aspr_classification"]
+        else:
+            aspr_classification = "unclassified"
+
+        # Make the request to the controller
+        dmc = DMaaPControllerHandle(DMAAP_API_URL, DMAAP_USER, DMAAP_PASS, ctx.logger)
+        ctx.logger.info("Attempting to create feed name {0}".format(feed_name))
+        f = dmc.create_feed(feed_name, feed_version, feed_description, aspr_classification, DMAAP_OWNER)
+        f.raise_for_status()
+
+        # Capture important properties from the result
+        feed = f.json()
+        ctx.instance.runtime_properties["feed_id"] = feed["feedId"]
+        ctx.instance.runtime_properties["publish_url"] = feed["publishURL"]
+        ctx.instance.runtime_properties["log_url"] = feed["logURL"]
+        ctx.logger.info("Created feed name {0} with feed id {1}".format(feed_name, feed["feedId"]))
+
+    except Exception as e:
+        ctx.logger.error("Error creating feed: {er}".format(er=e))
+        raise NonRecoverableError(e)
+
+@operation
+def get_existing_feed(**kwargs):
+    '''
+    Find information for an existing data router feed
+        Expects "feed_id" to be set in node properties -- uniquely identifies the feed
+        Sets instance runtime properties:
+            - "feed_id"
+            - "publish_url"
+            - "log_url"
+    '''
+    try:
+        # Make the lookup request to the controller
+        dmc = DMaaPControllerHandle(DMAAP_API_URL, DMAAP_USER, DMAAP_PASS, ctx.logger)
+        f = dmc.get_feed_info(ctx.node.properties["feed_id"])
+        f.raise_for_status()
+
+        # Capture important properties from the result
+        feed = f.json()
+        ctx.instance.runtime_properties["feed_id"] = ctx.node.properties["feed_id"]   # Just to be consistent with newly-created node, above
+        ctx.instance.runtime_properties["publish_url"] = feed["publishURL"]
+        ctx.instance.runtime_properties["log_url"] = feed["logURL"]
+        ctx.logger.info("Found existing feed with feed id {0}".format(ctx.node.properties["feed_id"]))
+
+    except Exception as e:
+        ctx.logger.error("Error getting existing feed id {id}: {er}".format(id=ctx.node.properties["feed_id"],er=e))
+        raise NonRecoverableError(e)
+
+@operation
+def delete_feed(**kwargs):
+    '''
+    Delete a feed
+        Expects "feed_id" to be set on the instance's runtime properties
+    '''
+    try:
+        # Make the lookup request to the controllerid=ctx.node.properties["feed_id"]
+        dmc = DMaaPControllerHandle(DMAAP_API_URL, DMAAP_USER, DMAAP_PASS, ctx.logger)
+        f = dmc.delete_feed(ctx.instance.runtime_properties["feed_id"])
+        f.raise_for_status()
+        ctx.logger.info("Deleting feed id {0}".format(ctx.instance.runtime_properties["feed_id"]))
+
+    except Exception as e:
+        ctx.logger.error("Error deleting feed id {id}: {er}".format(id=ctx.instance.runtime_properties["feed_id"],er=e))
+        # don't raise a NonRecoverable error here--let the uninstall workflow continue