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Diffstat (limited to 'doc/rtd/topics/datasources/ec2.rst')
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diff --git a/doc/rtd/topics/datasources/ec2.rst b/doc/rtd/topics/datasources/ec2.rst index 3bc66e17..64c325d8 100644 --- a/doc/rtd/topics/datasources/ec2.rst +++ b/doc/rtd/topics/datasources/ec2.rst @@ -60,4 +60,34 @@ To see which versions are supported from your cloud provider use the following U ... latest + + +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 Ec2 + metadata service. The first entry that successfully returns a 200 response + for <url>/<version>/meta-data/instance-id will be selected. + (default: ['http://169.254.169.254', 'http://instance-data:8773']). + * **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: 120) + * **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: 50) + +An example configuration with the default values is provided below: + +.. sourcecode:: yaml + + datasource: + Ec2: + metadata_urls: ["http://169.254.169.254:80", "http://instance-data:8773"] + max_wait: 120 + timeout: 50 + .. vi: textwidth=78 |