From 47680bd623b295857dd18962523dccb33861b4e3 Mon Sep 17 00:00:00 2001 From: Scott Moser Date: Tue, 17 Jan 2017 11:00:35 -0500 Subject: doc: add some documentation on OpenStack datasource. This just fills out some of the documentation on the OpenStack datasource. --- doc/rtd/topics/datasources/openstack.rst | 36 +++++++++++++++++++++++++++++++- 1 file changed, 35 insertions(+), 1 deletion(-) (limited to 'doc/rtd/topics/datasources') diff --git a/doc/rtd/topics/datasources/openstack.rst b/doc/rtd/topics/datasources/openstack.rst index ea47ea85..164b0e0c 100644 --- a/doc/rtd/topics/datasources/openstack.rst +++ b/doc/rtd/topics/datasources/openstack.rst @@ -1,7 +1,41 @@ OpenStack ========= -*TODO* +This datasource supports reading data from the +`OpenStack Metadata Service +`_. + +Configuration +------------- +The following configuration can be set for the datasource in system +configuration (in `/etc/cloud/cloud.cfg` or `/etc/cloud/cloud.cfg.d/`). + +The settings that may be configured are: + + * **metadata_urls**: This list of urls will be searched for an OpenStack + metadata service. The first entry that successfully returns a 200 response + for /openstack will be selected. (default: ['http://169.254.169.254']). + * **max_wait**: the maximum amount of clock time in seconds that should be + spent searching metadata_urls. A value less than zero will result in only + one request being made, to the first in the list. (default: -1) + * **timeout**: the timeout value provided to urlopen for each individual http + request. This is used both when selecting a metadata_url and when crawling + the metadata service. (default: 10) + * **retries**: The number of retries that should be done for an http request. + This value is used only after metadata_url is selected. (default: 5) + +An example configuration with the default values is provided as example below: + +.. sourcecode:: yaml + + #cloud-config + datasource: + OpenStack: + metadata_urls: ["http://169.254.169.254"] + max_wait: -1 + timeout: 10 + retries: 5 + Vendor Data ----------- -- cgit v1.2.3