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2019-04-015.0.0 policy-handler - new PDP API or old PDP API4.0.0-ONAPdublinAlex Shatov27-497/+1679
- in R4 Dublin the policy-engine introduced a totally new API - policy-handler now has a startup option to either use the new PDP API or the old PDP API that was created-updated before the end of 2018 - see README.md and README_pdp_api_v0.md for instructions on how to setup the policy-handler running either with the new PDP API or the old (pdp_api_v0) PDP API - this is a massive refactoring that changed almost all the source files, but kept the old logic when using the old (pdp_api_v0) PDP API - all the code related to PDP API version is split into two subfolders = pdp_api/ contains the new PDP API source code = pdp_api_v0/ contains the old (2018) PDP API source code = pdp_client.py imports from either pdp_api or pdp_api_v0 = the rest of the code is only affected when it needs to branch the logic - logging to policy_handler.log now shows the path of the source file to allow tracing which PDP API is actually used - when the new PDP API is used, the policy-update flow is disabled = passive mode of operation = no web-socket = no periodic catch_up = no policy-filters = reduced web-API - only a single /policy_latest endpoint is available /policies_latest returns 404 /catch_up request is accepted, but ignored - on new PDP API: http /policy_latest returns the new data from the new PDP API with the following fields added by the policy-handler to keep other policy related parts intact in R4 (see pdp_api/policy_utils.py) = "policyName" = policy_id + "." + "policyVersion" + ".xml" = "policyVersion" = str("metadata"."policy-version") = "config" - is the renamed "properties" from the new PDP API response - unit tests are split into two subfolders as well = main/ for the new PDP API testing = pdp_api_v0/ for the old (2018) PDP API - removed the following line from the license text of changed files ECOMP is a trademark and service mark of AT&T Intellectual Property. - the new PDP API is expected to be extended and redesigned in R5 El Alto - on retiring the old PDP API - the intention is to be able to remove the pdp_api_v0/ subfolder and minimal related cleanup of the code that imports that as well as the cleanup of the config.py, etc. Change-Id: Ief9a2ae4541300308caaf97377f4ed051535dbe4 Signed-off-by: Alex Shatov <alexs@att.com> Issue-ID: DCAEGEN2-1128
2019-01-314.6.0 policy-handler - active-passiveAlex Shatov1-2/+3
DCAEGEN2-931: - exposed POST /reconfigure endpoint on the web-server that initiates the reconfigure process right away DCAEGEN2-932: - mode_of_operation: active or passive = active is as before this change = in passive mode the policy-handler * closes the web-socket to PDP * skips the periodic catch_ups * still periodically checks for reconfigure * still allows usig the web-server to retrieve policies from PDP - default is active - when mode_of_operation changes from passive to active, the policy-handler invokes the catch_up right away - config-kv contains the optional override field mode_of_operation = changing the mode_of_operation in config-kv and invoking POST /reconfigure will bring the new value and change the mode of operation of the policy-handler if no service_activator section is provided in consul-kv record - if config-kv contains the service_activator section, = the policy-handler registers with service_activator - untested = and receives the mode_of_operation - untested = service_activator can POST-notify the policy-handler to initiate the /reconfigure - reduced the default web-socket ping interval from 180 to 30 seconds because PDP changed its default timeout on the web-socket from 400 seconds to 50 seconds Change-Id: If7dd21c008d9906aca97939be65dfa9c2f007535 Signed-off-by: Alex Shatov <alexs@att.com> Issue-ID: DCAEGEN2-931 Issue-ID: DCAEGEN2-932
2018-12-054.5.0 policy-handler - multi changeAlex Shatov14-796/+4378
DCAEGEN2-853: - stop reporting the absence of policies or updates as error - this is an expected result == INFO or WARNING DCAEGEN2-903: preparation for TLS on the web-server of policy-handler DCAEGEN2-930: - configurable timeouts for http requests from policy-handler - added configurable pinging on the web-socket to PDP - added healthcheck info on the web-socket - upgraded websocket-client lib to 0.53.0 DCAEGEN2-1017: fixed a bug on policy-filter matching by filter_config_name - refactored and enhanced the unit-tests Change-Id: I111ddc57bb978554ef376cbf916965b6667dad9b Signed-off-by: Alex Shatov <alexs@att.com> Issue-ID: DCAEGEN2-853 Issue-ID: DCAEGEN2-903 Issue-ID: DCAEGEN2-930 Issue-ID: DCAEGEN2-1017
2018-09-144.3.0 policy-handler - tls to policy-engineAlex Shatov2-10/+15
- tls to policy-engine - tls on web-socket to policy-engine - tls to deployment-handler - no tls on the web-server side = that is internal API = will add TLS in R4 - policy-handler expecting the deployment process to mount certs at /opt/app/policy_handler/etc/tls/certs/ - blueprint for policy-handler will be updated to contain cert_directory : /opt/app/policy_handler/etc/tls/certs/ - the matching local etc/config.json has new part tls with: = cert_directory : etc/tls/certs/ = cacert : cacert.pem - new optional fields tls_ca_mode in config on consul that specify where to find the cacert.pem for tls per each https/web-socket values are: "cert_directory" - use the cacert.pem stored locally in cert_directory this is the default if cacert.pem file is found "os_ca_bundle" - use the public ca_bundle provided by linux system. this is the default if cacert.pem file not found "do_not_verify" - special hack to turn off the verification by cacert and hostname - config on consul now has 2 new fields for policy_engine = "tls_ca_mode" : "cert_directory" = "tls_wss_ca_mode" : "cert_directory" - config on consul now has 1 new field for deploy_handler = "tls_ca_mode" : "cert_directory" - removed customization for verify -- it is now a built-in feature Change-Id: Ibe9120504ed6036d1ed4c84ff4cd8ad1d9e80f17 Signed-off-by: Alex Shatov <alexs@att.com> Issue-ID: DCAEGEN2-611
2018-08-244.2.0 policy-handler - periodic reconfigureAlex Shatov5-75/+149
- reconfigure == periodically retrieve the policy-handler config from consul-kv and compare to previous config and subconfigs. If changed, reconfigure the subunits - selectively change one or any settings for the following = catch_up timer interval = reconfigure timer interval = deployment-handler url and params (thread-safe) = policy-engine url and params (thread-safe) = web-socket url to policy-engine (through a callback) - each subunit has its own Settings that keep track of changes - try-catch and metrics around discovery - consul API - hidden the secrets from logs - froze the web-socket version to 0.49.0 because 0.50.0 and 0.51.0 are broken - looking around for stable alternatives - fixed-adapted the callbacks passed to the web-socket lib that changed its API in 0.49.0 and later - log the stack on the exception occurring in the web-socket lib - unit test refactoring Change-Id: Id53bad59660a197f59d9aeb7c05ab761d1060cd0 Signed-off-by: Alex Shatov <alexs@att.com> Issue-ID: DCAEGEN2-470
2018-08-144.1.0 pass cfy_tenant_name to deployment-handlerAlex Shatov1-4/+4
- pass cfy_tenant_name in query from policy-handler to deployment-handler - new config "query":{"cfy_tenant_name": "default_tenant"} - limits the single policy-handler to a single cfy_tenant_name in cloudify under the deployment-handler Change-Id: I257a9b74be6ddcde77a2b4fceabd4aa628890466 Signed-off-by: Alex Shatov <alexs@att.com> Issue-ID: DCAEGEN2-704
2018-08-074.0.0 new dataflow on policy-update and catchupAlex Shatov3-75/+289
- 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
2018-06-213.0.1 policy-handler - cleaning sonar smellsAlex Shatov2-10/+10
- no change of functionality or API - removed the unused enum34>=1.1.6 from requirements.txt and setup.py - refactored run_policy.sh to redirect the stdout+stderr only once - refactoring to remove smells+vulnerability reported by sonar -- renamed Config.config to Config.settings -- removed the commented out code in customizer.py -- renamed StepTimer.NEXT to StepTimer.STATE_NEXT to avoid the naming confusion with the method StepTimer.next. Also renamed the related StepTimer.STATE_* constants -- refactored several functions by extracting methods to eliminate 4 out of 5 "brain-overload" smells reported by sonar -- moved the literal string for the socket_host "0.0.0.0" to a constant on the web-server to avoid the reported vulnerability Change-Id: I4c7d47d41c6ecd7cb28f6704f5dad2053c1ca7d6 Signed-off-by: Alex Shatov <alexs@att.com> Issue-ID: DCAEGEN2-515
2018-06-143.0.0 policy-handler - migrated to python 3.6Alex Shatov2-10/+5
- migrated from python 2.7 to 3.6 - brought up the latest versions of dependencies -- Cherrypy 15.0.0, requests 2.18.4, websocket-client 0.48.0 - fixed migration errors -- renamed the standard package Queue to queue -- dict.items() instead of dict.iteritems() -- dict.keys() instead of dict.viewkeys() -- range() instead of xrange() -- subprocess.check_output(..., universal_newlines=True) to get str instead of byte-stream from stdout - cleaned up migration warnings -- super() instead of super(A, self) -- logger.warning() instead of .warn() - moved main() from policy_handler.py to __main__.py - getting the policy_handler version directly from setup.py instead of the env var on init of the audit Change-Id: I0fc4ddc51c08a64f3cfdc5d2f010b1c6a1ae92f0 Signed-off-by: Alex Shatov <alexs@att.com> Issue-ID: DCAEGEN2-515
2018-05-242.4.5 policy-handler - fix of unit tests2.0.0-ONAPbeijing2.0.0-ONAPAlex Shatov2-2/+5
- turned off test_gc unit-test on policy-handler to avoid get /gc/stats after shutdown of the web-server - made rougher comparison between execution time and timer interval Change-Id: Idcf6caae6f2a934dc2dc2d5a0fddd06543abd48a Signed-off-by: Alex Shatov <alexs@att.com> Issue-ID: DCAEGEN2-532
2018-05-182.4.4 policy-handler - log process memoryAlex Shatov4-140/+245
- in search of the memory leak that is falsely reported by docker stats, the following runtime logging was added = process_memory - rss and other memory of the current process = virtual_memory - the memory info of the whole system = thread_stacks - the active threads with the full stack on each Change-Id: I5f5ab3a477bfba3aecc5963547aa82da6269670b Signed-off-by: Alex Shatov <alexs@att.com> Issue-ID: DCAEGEN2-514
2018-05-102.4.3 policy-handler - try-catch top ExceptionsAlex Shatov3-21/+489
- added try-except for top level Exception into all threads of policy-handler to avoid losing the thread and tracking the unexpected crashes - rediscover the deployment-handler if not found before and after each catchup - refactored audit - separated metrics from audit - added more stats and runtime info to healthcheck = gc counts and garbage info if any detected = memory usage - to detect the potential memory leaks = request_id to all stats = stats of active requests - avoid reallocating the whole Queue of policy-updates after catchup = clear of the internal queue under proper lock Change-Id: I3fabcaac70419a68bd070ff7d591a75942f37663 Signed-off-by: Alex Shatov <alexs@att.com> Issue-ID: DCAEGEN2-483
2018-04-272.4.2 policy-handler - fixed race on step-timerAlex Shatov2-15/+40
- fixed the bug of unpredictably stopping of the periodic catch-up step-timer due to thread race condition in policy-handler = added critical sections under the reentrant lock on every group of local var change in step-timer - added more stats for healthcheck to track each type of job-operation separately = that helps narrowing down identifying the potential problems - unit test coverage 76% Change-Id: I92ddf6c92a3d225d9b87427e3edfb7f80669501a Signed-off-by: Alex Shatov <alexs@att.com> Issue-ID: DCAEGEN2-472
2018-03-222.4.1 better step-timer + audit + unit-testsAlex Shatov2-27/+296
- improved step-timer due to unit tests -- fixed events -- better logging - audit - collect list of package thru subprocess pip freeze - unit tests coverage 76% Change-Id: Ib1cb5f687612ecf18aa7414b1ff7dbf5774345b4 Signed-off-by: Alex Shatov <alexs@att.com> Issue-ID: DCAEGEN2-389
2018-03-202.4.0 dns based discovery of deployment-handlerAlex Shatov1-1/+2
- policy-handler uses dns based discovery of deployment-handler - driven by config - new data structure for deploy_handler section of config -- changed from string "deployment_handler" in 2.3.1 to structure in 2.4.0 deploy_handler : # name of deployment-handler service # used by policy-handler for logging target_entity : "deployment_handler" # url of the deployment-handler service # for policy-handler to direct the policy-updates to # - expecting dns to resolve the name # deployment_handler to ip address url : "http://deployment_handler:8188" - logic is backwards compatible with 2.3.1 format - removed import pip from audit -- import pip broken in pip 9.0.2 (2018-03-19) -- import pip conflicts with requests -- pip API is not officially supported -- see links for more https://github.com/pypa/pip/issues/5079 https://github.com/pypa/pip/issues/5081 Change-Id: Ifcaba6cfd714f3099ab7a25fe979a3696a6460fc Signed-off-by: Alex Shatov <alexs@att.com> Issue-ID: DCAEGEN2-404
2018-03-132.3.0 policy-handler - periodically catch_upAlex Shatov1-34/+5
- periodically catchup - interval is configurable = max_skips defines the number of times the catch_up message that is identical to previous one can be skipped - do not catchup more often than the interval even between the manual catchup and auto catchup - do not send the same catchup message twice in a row to the deployment-handler but not exceed a hard limit on catchup max_skips - catchup if the deployment-handler instance is changed Change-Id: I9a3fcc941e8a9e553abb3952dd882c37e0f5fdfe Signed-off-by: Alex Shatov <alexs@att.com> Issue-ID: DCAEGEN2-389
2018-03-082.2.0 policy-handler - customization per companyAlex Shatov1-4/+5
- added etc_customize/ folder and customize.sh script = customize.sh script is expected to be overridden by company to customize Docker image build = the whole etc_customize/ folder is copied into docker image = it is up to the company what to put into that folder - any files - added customize/ folder with CustomizeBase and Customize classes = CustomizeBase defines the interface and the default=ONAP behavior = CustomizeBase is owned by ONAP and should not be changed by the company = Customize inherits CustomizeBase = policy-handler instantiates Customize to get the customized behavior = Customize is owned by the company and should be changed by the company = ONAP is not going to change Customize = the methods of Customize are expected to be overridden by the company to change the behavior of the policy-handler = sample Customize class can be found in README.md = Company is allowed to add more files to customize/ folder if that is required for better structuring of their code as soon as it is invoked by the methods of Customize Change-Id: I46f8170afaaa48e1005e4398a768a781db0a0e6c Signed-off-by: Alex Shatov <alexs@att.com> Issue-ID: DCAEGEN2-379
2018-02-27up the version to 2.1.0 for policy-handlerAlex Shatov1-2/+0
- removed #org.onap.dcae from license text Change-Id: I07f11e60c4677109ccb826c4e969b47acb4c498a Signed-off-by: Alex Shatov <alexs@att.com> Issue-ID: DCAEGEN2-347
2018-02-23fixed a bug in unit testsAlex Shatov1-1/+1
- minor list comparison bug - not affecting much Change-Id: I2f3a51ce2064601f0a08547d7c250eee551f6721 Signed-off-by: Alex Shatov <alexs@att.com> Issue-ID: DCAEGEN2-347
2018-02-20Fix for SONAR reportingLusheng Ji1-0/+21
Change-Id: I853af6b231b4b2f4eff7492d4770ce6a3a7fd786 Signed-off-by: Lusheng Ji <lji@research.att.com> Issue-ID: DCAEGEN2-355
2018-02-05fix copyright from 2018 to 2017-2018Alex Shatov1-1/+1
Change-Id: I685c63758b7ce22766885d399f06e9ba14ca59f2 Issue-ID: DCAEGEN2-249 Signed-off-by: Alex Shatov <alexs@att.com>
2018-02-01improved message to deployment-handler and on APIAlex Shatov1-16/+32
* added errored_scopes and scope_prefixes to the message to deployment-handler - to prevent erroneous removal of policies * hardcoded condition for scope not found 404 at policy-engine to separate it from error on the scope retrieval 400 * adjusting the web API message in sync with notification to deployment-handler * unit test coverage 74% Change-Id: Ie736a1b7aee0631b6785669c6b765bd240dd77b8 Issue-ID: DCAEGEN2-249 Signed-off-by: Alex Shatov <alexs@att.com>
2018-01-11moved module docstring below the license textAlex Shatov1-0/+2
Change-Id: I2a3628cb67d15ab2828f6818764d111df13e795a Issue-ID: DCAEGEN2-249 Signed-off-by: Alex Shatov <alexs@att.com>
2018-01-10variable collection of policies per componentAlex Shatov1-57/+364
* new feature variable collection of policies per component in DCAE * massive refactoring * dissolved the external PolicyEngine.py into policy_receiver.py - kept only the web-socket communication to PolicyEngine * new /healthcheck - shows some stats of service running * Unit Test coverage 75% Change-Id: I816b7d5713ae0dd88fa73d3656f272b4f3e7946e Issue-ID: DCAEGEN2-249 Signed-off-by: Alex Shatov <alexs@att.com>
2017-09-22unit test and coverage with toxAlex Shatov1-0/+183
usage on local run: tox -c tox-local.ini usage on ONAP run: tox Change-Id: Ic455f0f44f5b3bee92b60ea282851e72c3a12b7e Issue-Id: DCAEGEN2-62 Signed-off-by: Alex Shatov <alexs@att.com>