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redfish: Add If-Match ETag header to PATCH requests (#56150)

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* add If-Match ETag header to PATCH requests

* add changelog fragment

* ensure header keys are lowercase

* fix dict comprehension for python 2.6 and earlier
This commit is contained in:
Bill Dodd 2019-05-12 03:24:07 -05:00 committed by René Moser
parent 099917ddc8
commit 1a6b95a8f1
2 changed files with 17 additions and 2 deletions
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3
changelogs/fragments/56150-add-if-match-header-to-patch-requests.yaml Normal file
View file

@ -0,0 +1,3 @@
---
bugfixes:
- redfish_command - add If-Match etag header to Redfish PATCH requests (https://github.com/ansible/ansible/issues/56050)

16
lib/ansible/module_utils/redfish_utils.py
View file

@ -37,6 +37,7 @@ class RedfishUtils(object):
follow_redirects='all', follow_redirects='all',
use_proxy=False, timeout=self.timeout) use_proxy=False, timeout=self.timeout)
data = json.loads(resp.read()) data = json.loads(resp.read())
headers = dict((k.lower(), v) for (k, v) in resp.info().items())
except HTTPError as e: except HTTPError as e:
msg = self._get_extended_message(e) msg = self._get_extended_message(e)
return {'ret': False, return {'ret': False,
@ -49,7 +50,7 @@ class RedfishUtils(object):
except Exception as e: except Exception as e:
return {'ret': False, return {'ret': False,
'msg': "Failed GET request to '%s': '%s'" % (uri, to_text(e))} 'msg': "Failed GET request to '%s': '%s'" % (uri, to_text(e))}
return {'ret': True, 'data': data} return {'ret': True, 'data': data, 'headers': headers}
def post_request(self, uri, pyld): def post_request(self, uri, pyld):
try: try:
@ -75,9 +76,20 @@ class RedfishUtils(object):
return {'ret': True, 'resp': resp} return {'ret': True, 'resp': resp}
def patch_request(self, uri, pyld): def patch_request(self, uri, pyld):
headers = PATCH_HEADERS
r = self.get_request(uri)
if r['ret']:
# Get etag from etag header or @odata.etag property
etag = r['headers'].get('etag')
if not etag:
etag = r['data'].get('@odata.etag')
if etag:
# Make copy of headers and add If-Match header
headers = dict(headers)
headers['If-Match'] = etag
try: try:
resp = open_url(uri, data=json.dumps(pyld), resp = open_url(uri, data=json.dumps(pyld),
headers=PATCH_HEADERS, method="PATCH", headers=headers, method="PATCH",
url_username=self.creds['user'], url_username=self.creds['user'],
url_password=self.creds['pswd'], url_password=self.creds['pswd'],
force_basic_auth=True, validate_certs=False, force_basic_auth=True, validate_certs=False,