#
import requests
-from osdf.utils.data_types import list_like
+
from osdf.operation.exceptions import MessageBusConfigurationException
+from osdf.utils.data_types import list_like
+from osdf.utils.interfaces import RestClient
class MessageRouterClient(object):
def __init__(self,
- dmaap_url=None,
- mr_host_base_urls=None,
- topic=None,
- consumer_group=None, consumer_id=None,
+ dmaap_url='',
+ consumer_group_id=':',
timeout_ms=15000, fetch_limit=1000,
- userid=None, passwd=None):
- """
- :param dmaap_url: protocol, host and port; mostly for UEB
- (e.g. https://dcae-msrt-ftl.homer.att.com:3905/)
- :param mr_host_base_urls: for DMaaP, we get a topic URL (base_url + events/topic_name)
- (e.g. https://dcae-msrt-ftl.homer.att.com:3905/events/com.att.dcae.dmaap.FTL.SNIRO-CM-SCHEDULER-RESPONSE)
- :param consumer_group: DMaaP/UEB consumer group (unique for each subscriber; required for GET)
- :param consumer_id: DMaaP/UEB consumer ID (unique for each thread/process for a subscriber; required for GET)
+ userid_passwd=':'):
+ """Class initializer
+
+ :param dmaap_url: protocol, host and port; can also be a list of URLs
+ (e.g. https://dmaap-host.onapdemo.onap.org:3905/events/org.onap.dmaap.MULTICLOUD.URGENT),
+ can also be a list of such URLs
+ :param consumer_group_id: DMaaP consumer group and consumer id (':' separated)
+ consumer_group is unique for each subscriber; required for GET
+ consumer_id: DMaaP consumer ID (unique for each thread/process for a subscriber; required for GET)
:param timeout_ms: (optional, default 15 seconds or 15,000 ms) server-side timeout for GET request
:param fetch_limit: (optional, default 1000 messages per request for GET), ignored for "POST"
- :param userid: (optional, userid for HTTP basic authentication)
- :param passwd: (optional, password for HTTP basic authentication)
+ :param userid_passwd: (optional, userid:password for HTTP basic authentication)
"""
mr_error = MessageBusConfigurationException
- if dmaap_url is None: # definitely not DMaaP, so use UEB mode
- self.is_dmaap = False
- if not (mr_host_base_urls and list_like(mr_host_base_urls)):
- raise mr_error("Not a DMaaP or UEB configuration")
- if not topic:
- raise mr_error("Invalid topic: '{}'",format(topic))
- self.topic_urls = ["{}/events/{}".format(base_url, topic) for base_url in mr_host_base_urls]
- else:
- self.is_dmaap = True
- self.topic_urls = [dmaap_url]
-
+ if not dmaap_url: # definitely not DMaaP, so use UEB mode
+ raise mr_error("Not a valid DMaaP configuration")
+ self.topic_urls = [dmaap_url] if not list_like(dmaap_url) else dmaap_url
self.timeout_ms = timeout_ms
self.fetch_limit = fetch_limit
- self.auth = (userid, passwd) if userid and passwd else None
+ self.userid, self.passwd = userid_passwd.split(':')
+ consumer_group, consumer_id = consumer_group_id.split(':')
self.consumer_group = consumer_group
self.consumer_id = consumer_id
def get(self, outputjson=True):
"""Fetch messages from message router (DMaaP or UEB)
+
:param outputjson: (optional, specifies if response is expected to be in json format), ignored for "POST"
:return: response as a json object (if outputjson is True) or as a string
"""
for url in urls[:-1]:
try:
return self.http_request(method='GET', url=url, outputjson=outputjson)
- except:
+ except Exception:
pass
return self.http_request(method='GET', url=urls[-1], outputjson=outputjson)
for url in self.topic_urls[:-1]:
try:
return self.http_request(method='POST', url=url, inputjson=inputjson, msg=msg)
- except:
+ except Exception:
pass
return self.http_request(method='POST', url=self.topic_urls[-1], inputjson=inputjson, msg=msg)
def http_request(self, url, method, inputjson=True, outputjson=True, msg=None, **kwargs):
- """
- Perform the actual URL request (GET or POST), and do error handling
+ """Perform the actual URL request (GET or POST), and do error handling
+
:param url: full URL (including topic, limit, timeout, etc.)
:param method: GET or POST
:param inputjson: Specify whether input is in json format (valid only for POST)
:param msg: content to be posted (valid only for POST)
:return: response as a json object (if outputjson or POST) or as a string; None if error
"""
- res = requests.request(url=url, method=method, auth=self.auth, **kwargs)
- if res.status_code == requests.codes.ok:
- return res.json() if outputjson or method == "POST" else res.content
- else:
- raise Exception("HTTP Response Error: code {}; headers:{}, content: {}".format(
- res.status_code, res.headers, res.content))
+
+ rc = RestClient(userid=self.userid, passwd=self.passwd, url=url, method=method)
+ try:
+ res = rc.request(raw_response=True, data=msg, **kwargs)
+ if res.status_code == requests.codes.ok:
+ return res.json() if outputjson or method == "POST" else res.content
+ else:
+ raise Exception("HTTP Response Error: code {}; headers:{}, content: {}".format(
+ res.status_code, res.headers, res.content))
+
+ except requests.RequestException as ex:
+ raise Exception("Request Exception occurred {}".format(str(ex)))
Code Review / optf / osdf.git / blobdiff