Add kernel_report module #58
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Basic functionality of kernel settings report module
Move everything to python functionality instead of using shell scripts, change the format of the output to be more consistent with kernel_settings role input, filter out some known unstable values
Also convert unstable settings list to regex for more flexibility
Simple two host test to apply kernel settings output from kernel_report module to another machine
Assumes that two images will be specified as TEST_SUBJECTS: One CentOS image and one Fedora image
Taken from the tuned documentation and existing profiles, support added for more parameters which the kernel_settings role should allow users to change
Update apply_kernel_report_settings test
Add special logic so that if one of these values is read in as '0', the kernel_report plugin will ignore it and only populate one of the bytes/ratio fields
Tested with two Fedora machines sharing an identical release
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New kernel_report module to pull settings from an existing template machine and apply them to a number of target machines. This also required adding "device-specific" support to the existing kernel_settings system role so that, similar to tuneD, it allows for changing kernel settings that are associated with particular devices.
A few notes about the PR and outstanding items that will need to be reviewed before merging:
defaults/main.yml, though the README should probably include it since this was significant formatting changesysctlfields from Joe Mario that can be added to the list kernel_report module and tested (I will link a corresponding issue to this PR)