diff options
Diffstat (limited to 'cloudinit/ec2_utils.py')
| -rw-r--r-- | cloudinit/ec2_utils.py | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/cloudinit/ec2_utils.py b/cloudinit/ec2_utils.py index 3b7b17f1..57708c14 100644 --- a/cloudinit/ec2_utils.py +++ b/cloudinit/ec2_utils.py @@ -134,25 +134,28 @@ class MetadataMaterializer(object): return joined -def _skip_retry_on_codes(status_codes, _request_args, cause): +def skip_retry_on_codes(status_codes, _request_args, cause): """Returns False if cause.code is in status_codes.""" return cause.code not in status_codes def get_instance_userdata(api_version='latest', metadata_address='http://169.254.169.254', - ssl_details=None, timeout=5, retries=5): + ssl_details=None, timeout=5, retries=5, + headers_cb=None, exception_cb=None): ud_url = url_helper.combine_url(metadata_address, api_version) ud_url = url_helper.combine_url(ud_url, 'user-data') user_data = '' try: - # It is ok for userdata to not exist (thats why we are stopping if - # NOT_FOUND occurs) and just in that case returning an empty string. - exception_cb = functools.partial(_skip_retry_on_codes, - SKIP_USERDATA_CODES) + if not exception_cb: + # It is ok for userdata to not exist (thats why we are stopping if + # NOT_FOUND occurs) and just in that case returning an empty + # string. + exception_cb = functools.partial(skip_retry_on_codes, + SKIP_USERDATA_CODES) response = url_helper.read_file_or_url( ud_url, ssl_details=ssl_details, timeout=timeout, - retries=retries, exception_cb=exception_cb) + retries=retries, exception_cb=exception_cb, headers_cb=headers_cb) user_data = response.contents except url_helper.UrlError as e: if e.code not in SKIP_USERDATA_CODES: @@ -165,11 +168,13 @@ def get_instance_userdata(api_version='latest', def _get_instance_metadata(tree, api_version='latest', metadata_address='http://169.254.169.254', ssl_details=None, timeout=5, retries=5, - leaf_decoder=None): + leaf_decoder=None, headers_cb=None, + exception_cb=None): md_url = url_helper.combine_url(metadata_address, api_version, tree) caller = functools.partial( url_helper.read_file_or_url, ssl_details=ssl_details, - timeout=timeout, retries=retries) + timeout=timeout, retries=retries, headers_cb=headers_cb, + exception_cb=exception_cb) def mcaller(url): return caller(url).contents @@ -191,22 +196,28 @@ def _get_instance_metadata(tree, api_version='latest', def get_instance_metadata(api_version='latest', metadata_address='http://169.254.169.254', ssl_details=None, timeout=5, retries=5, - leaf_decoder=None): + leaf_decoder=None, headers_cb=None, + exception_cb=None): # Note, 'meta-data' explicitly has trailing /. # this is required for CloudStack (LP: #1356855) return _get_instance_metadata(tree='meta-data/', api_version=api_version, metadata_address=metadata_address, ssl_details=ssl_details, timeout=timeout, - retries=retries, leaf_decoder=leaf_decoder) + retries=retries, leaf_decoder=leaf_decoder, + headers_cb=headers_cb, + exception_cb=exception_cb) def get_instance_identity(api_version='latest', metadata_address='http://169.254.169.254', ssl_details=None, timeout=5, retries=5, - leaf_decoder=None): + leaf_decoder=None, headers_cb=None, + exception_cb=None): return _get_instance_metadata(tree='dynamic/instance-identity', api_version=api_version, metadata_address=metadata_address, ssl_details=ssl_details, timeout=timeout, - retries=retries, leaf_decoder=leaf_decoder) + retries=retries, leaf_decoder=leaf_decoder, + headers_cb=headers_cb, + exception_cb=exception_cb) # vi: ts=4 expandtab |