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Instead, either use the bash built-in of type to ensure it exists. Since which is an external dep, things can fail oddly in a constrained environment. Also add a dib-lint test for this. Change-Id: I645029f5b5bfe1198c89ce10fd3246be8636e8af Signed-off-by: Jesse Keating <omgjlk@us.ibm.com> |
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| README.rst | ||
hwdiscovery
A ramdisk to report the hardware of a machine to an inventory service.
This will collect up some basic information about the hardware it boots on:
- CPU cores
- RAM
- Disk
- NIC mac address
This information will then be collated into a JSON document, base64 encoded and passed, via HTTP POST, to a URL that you must specify on the kernel commandline, thus:
HW_DISCOVERY_URL=http://1.2.3.4:56/hw_script.asp
This is currently fairly fragile as there can be a huge variability in the number of disks/NICs in servers and how they are configured.
If other elements wish to inject data into the hardware discovery data, they can - they should be specified before hwdiscovery to the image building script, and they should contain something like this in their init fragment:
- _vendor_hwdiscovery_data="$_vendor_hwdiscovery_data
-
"some vendor key" : "some data you care about", "some other vendor key" : "some other data you care about","
Note that you are essentially feeding JSON into the main hwdiscovery JSON.
This will allow any number of vendor specific hwdiscovery elements to chain together their JSON fragments and maintain consistency.