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-rw-r--r--cloudinit/url_helper.py17
1 files changed, 9 insertions, 8 deletions
diff --git a/cloudinit/url_helper.py b/cloudinit/url_helper.py
index 19a30409..227983f3 100644
--- a/cloudinit/url_helper.py
+++ b/cloudinit/url_helper.py
@@ -103,7 +103,7 @@ class UrlError(IOError):
def readurl(url, data=None, timeout=None, retries=0, sec_between=1,
headers=None, headers_cb=None, ssl_details=None,
- check_status=True, allow_redirects=True):
+ check_status=True, allow_redirects=True, exception_cb=None):
url = _cleanurl(url)
req_args = {
'url': url,
@@ -163,14 +163,13 @@ def readurl(url, data=None, timeout=None, retries=0, sec_between=1,
# Handle retrying ourselves since the built-in support
# doesn't handle sleeping between tries...
for i in range(0, manual_tries):
+ req_args['headers'] = headers_cb(url)
+ filtered_req_args = {}
+ for (k, v) in req_args.items():
+ if k == 'data':
+ continue
+ filtered_req_args[k] = v
try:
- req_args['headers'] = headers_cb(url)
- filtered_req_args = {}
- for (k, v) in req_args.items():
- if k == 'data':
- continue
- filtered_req_args[k] = v
-
LOG.debug("[%s/%s] open '%s' with %s configuration", i,
manual_tries, url, filtered_req_args)
@@ -196,6 +195,8 @@ def readurl(url, data=None, timeout=None, retries=0, sec_between=1,
# ssl exceptions are not going to get fixed by waiting a
# few seconds
break
+ if exception_cb and not exception_cb(filtered_req_args, excps[-1]):
+ break
if i + 1 < manual_tries and sec_between > 0:
LOG.debug("Please wait %s seconds while we wait to try again",
sec_between)