"""
Python invocation of several parallel publish-notifications RPCs.
"""
-import Queue
+from robot.api import logger
+import time
+import queue
import requests
import string
import threading
-def publish_notifications(host, grprefix, duration, rate, nrpairs=1):
- """Invoke publish notification rpcs and verify the response.
+_globals = {}
- :param host: ip address of odl node
- :type host: string
- :param grprefix: prefix identifier for publisher/listener pair
- :type grprefix: string
- :param duration: publishing notification duration in seconds
+
+def _send_http_request_thread_impl(rqueue, prefix_id, url, data, http_timeout):
+ """Start either publish or write transactions rpc based on input.
+
+ :param rqueue: result queue
+ :type rqueue: queue.Queue
+ :param prefix_id: identifier for prefix, should imply cluster member index
+ :type prefix_id: str
+ :param url: rpc url
+ :type url: str
+ :param data: http request content
+ :type data: str
+ :param http_timeout: http response timeout
+ :type http_timeout: int
+ """
+ logger.info("rpc invoked with details: {}".format(data))
+ try:
+ resp = requests.post(
+ url=url,
+ headers={"Content-Type": "application/xml"},
+ data=data,
+ auth=("admin", "admin"),
+ timeout=http_timeout,
+ )
+ except Exception as exc:
+ resp = exc
+ logger.debug(exc)
+ rqueue.put((time.ctime(), prefix_id, resp))
+
+
+def _initiate_rpcs(host_list, index_list, url_templ, data_templ, subst_dict):
+ """Initiate rpc on given hosts.
+
+ :param host_list: IP addresses of odl nodes
+ :type host_list: list[str]
+ :param index_list: node indices which correspond to the ip addresses
+ :type index_list: list[int]
+ :param url_templ: url template
+ :type url_templ: string.Template object
+ :param data_templ: http request data
+ :type data_templ: string.Template object
+ :param subst_dict: dictionary with key value pairs to be used with template
+ :type subst_dict: dict
+ """
+ resqueue = _globals.pop("result_queue", queue.Queue())
+ lthreads = _globals.pop("threads", [])
+ for i, host in enumerate(host_list):
+ url = url_templ.substitute({"HOST": host})
+ timeout = int(subst_dict["DURATION"]) + 3 * 125 + 10
+ prefix_id = subst_dict["ID_PREFIX"] + str(index_list[i])
+ subst_dict["ID"] = prefix_id
+ data = data_templ.substitute(subst_dict)
+ logger.info("url: {}, data: {}, timeout: {}".format(url, data, timeout))
+ t = threading.Thread(
+ target=_send_http_request_thread_impl,
+ args=(resqueue, prefix_id, url, data, timeout),
+ )
+ t.daemon = True
+ t.start()
+ lthreads.append(t)
+
+ _globals.update({"threads": lthreads, "result_queue": resqueue})
+
+
+def start_write_transactions_on_nodes(
+ host_list,
+ index_list,
+ id_prefix,
+ duration,
+ rate,
+ chained_flag=False,
+ reset_globals=True,
+):
+ """Invoke write-transactions rpc on given nodes.
+
+ :param host_list: IP addresses of odl nodes
+ :type host_list: list[str]
+ :param index_list: node indices which correspond to the ip addresses
+ :type index_list: list[int]
+ :param id_prefix: identifier prefix
+ :type id_prefix: str
+ :param duration: time in seconds
:type duration: int
- :param rate: events rate per second
+ :param rate: writing transactions rate in transactions per second
:type rate: int
- :param nrpairs: number of publisher/listener pairs, id suffix is counted from it
- :type nrpairs: int
+ :param chained_flag: specify chained vs. simple transactions
+ :type chained_flag: bool
+ :param reset_globals: reset global variable dict
+ :type reset_globals: bool
"""
- def _publ_notifications(rqueue, url, grid, duration, rate):
- dtmpl = string.Template('''<input xmlns="tag:opendaylight.org,2017:controller:yang:lowlevel:control">
+ if reset_globals:
+ _globals.clear()
+
+ logger.info(
+ "Input parameters: host_list:{}, index_list:{}, id_prefix:{}, duration:{}, rate:{}, chained_flag:{}".format(
+ host_list, index_list, id_prefix, duration, rate, chained_flag
+ )
+ )
+ datat = string.Template(
+ """<input xmlns="tag:opendaylight.org,2017:controller:yang:lowlevel:control">
<id>$ID</id>
<seconds>$DURATION</seconds>
- <notifications-per-second>$RATE</notifications-per-second>
-</input>''')
- data = dtmpl.substitute({'ID': grid, 'DURATION': duration, 'RATE': rate})
- try:
- resp = requests.post(url=url, headers={'Content-Type': 'application/xml'},
- data=data, auth=('admin', 'admin'), timeout=int(duration)+60)
- except Exception as exc:
- resp = exc
- rqueue.put(resp)
-
- resqueue = Queue.Queue()
- lthreads = []
- url = 'http://{}:8181/restconf/operations/odl-mdsal-lowlevel-control:publish-notifications'.format(host)
- for i in range(nrpairs):
- t = threading.Thread(target=_publ_notifications,
- args=(resqueue, url, '{}{}'.format(grprefix, i+1), duration, rate))
- t.daemon = True
- t.start()
- lthreads.append(t)
+ <transactions-per-second>$RATE</transactions-per-second>
+ <chained-transactions>$CHAINED_FLAG</chained-transactions>
+</input>"""
+ )
+ subst_dict = {
+ "ID_PREFIX": id_prefix,
+ "DURATION": duration,
+ "RATE": rate,
+ "CHAINED_FLAG": "true" if chained_flag else "false",
+ }
+ urlt = string.Template(
+ """http://$HOST:8181/rests/operations/odl-mdsal-lowlevel-control:write-transactions"""
+ )
+ _initiate_rpcs(host_list, index_list, urlt, datat, subst_dict)
+
+
+def start_produce_transactions_on_nodes(
+ host_list,
+ index_list,
+ id_prefix,
+ duration,
+ rate,
+ isolated_transactions_flag=False,
+ reset_globals=True,
+):
+ """Invoke produce-transactions rpcs on given nodes.
+
+ :param host_list: IP addresses of odl nodes
+ :type host_list: list[str]
+ :param index_list: node indices which correspond to the ip addresses
+ :type index_list: list[int]
+ :param id_prefix: identifier prefix
+ :type id_prefix: str
+ :param duration: time in seconds
+ :type duration: int
+ :param rate: produce transactions rate in transactions per second
+ :type rate: int
+ :param isolated_transactions_flag: isolated transactions flag
+ :type isolated_transactions_flag: bool
+ :param reset_globals: reset global variable dict
+ :type reset_globals: bool
+ """
+ if reset_globals:
+ _globals.clear()
+
+ msg = "host_list:{}, index_list:{} ,id_prefix:{}, duration:{}, rate:{}, isolated_transactions:{}".format(
+ host_list, index_list, id_prefix, duration, rate, isolated_transactions_flag
+ )
+ msg = "Input parameters: " + msg
+ logger.info(msg)
+ datat = string.Template(
+ """<input xmlns="tag:opendaylight.org,2017:controller:yang:lowlevel:control">
+ <id>$ID</id>
+ <seconds>$DURATION</seconds>
+ <transactions-per-second>$RATE</transactions-per-second>
+ <isolated-transactions>$ISOLATED_TRANSACTIONS</isolated-transactions>
+</input>"""
+ )
+ subst_dict = {
+ "ID_PREFIX": id_prefix,
+ "DURATION": duration,
+ "RATE": rate,
+ "ISOLATED_TRANSACTIONS": "true" if isolated_transactions_flag else "false",
+ }
+ urlt = string.Template(
+ """http://$HOST:8181/rests/operations/odl-mdsal-lowlevel-control:produce-transactions"""
+ )
+ _initiate_rpcs(host_list, index_list, urlt, datat, subst_dict)
+
+
+def wait_for_transactions():
+ """Blocking call, waitig for responses from all threads.
+
+ :return: list of triples; triple consists of response time, prefix identifier and response object
+ :rtype: list[(str, str, requests.Response)]
+ """
+ lthreads = _globals.pop("threads")
+ resqueue = _globals.pop("result_queue")
for t in lthreads:
t.join()
- for i in range(nrpairs):
- resp = resqueue.get()
- assert resp.status_code == 200
+ results = []
+ while not resqueue.empty():
+ results.append(resqueue.get())
+ for rsp in results:
+ if isinstance(rsp[2], requests.Response):
+ logger.info(rsp[2].text)
+ else:
+ logger.info(rsp[2])
+ return results
+
+
+def get_next_transactions_response():
+ """Get http response from write-transactions rpc if available.
+
+ :return: None or a triple consisting of response time, prefix identifier and response object
+ :rtype: (str, str, requests.Response)
+ """
+ resqueue = _globals.get("result_queue")
+
+ if not resqueue.empty():
+ rsp = resqueue.get()
+ if isinstance(rsp[2], requests.Response):
+ logger.info(rsp[2].text)
+ else:
+ logger.info(rsp[2])
+ return rsp
+ return None
Code Review / integration / test.git / blobdiff