Feature: Adding Azure Linux 3.0 Base Support

[rane-rajasi]

Implements support for Azure Linux machines via TDNF package manager

Changes implemented:

[x] TDNF package manager
[x] ConfigurePatching operation
[x] Auto Assessment operation
[x] Assessment operation
[x] Installation operation
[x] UTs
[x] Disabling Auto OS updates
[x] Selecting latest package version if multiple are available

Tests:

[x] On demand Installation success with all classifications selected:
        > 26.core.log
[x] Auto assessment, recurring on schedule
        > 3.aa.core.log
        > 3.core.log
        > 3 - Copy.status.txt
[x] Only Package inclusions installed
        > patchesToInclude': ['dracut*']
        > 1.core.log
        > 1 - Copy.status.txt
[x] With package exclusions
        > Excluding patches': ['openssh*', 'hyperv*', 'openssl*', 'systemd*']
        > 2.core.log
        > 2 - Copy.status.txt
[x] with Dependent packages
        > Requested hyperv-daemons-license which has dependencies: 'hyperv-daemons.x86_64', 'hypervfcopyd.x86_64', 'hypervkvpd.x86_64', 'hypervvssd.x86_64' and all 5 are installed
        > 3.core.log
        > 3 - Copy.status.txt
[x] Excluding a package because its dependency needs to be excluded
        > Excluded openssl-libs which is a dependent package of openssl. Hence both openssl and openssl-libs not installed
        > 5.core.log
        > 5 - Copy.status.txt
[x] Auto Patching request with only security and critical updates in request, which should install all classifications
        > 10.core.log
        > 10 - Copy.status.txt
[x] Logs for disabling auto OS (machine default) updates
        1. Machine default updates service installed but NOT enabled
                > Expected output: ConfigurePatching successfully reads and logs that auto OS updates are installed but disabled. No action is taken to disable them
                > 15.core.log
                > 15 - Copy.status.txt
        2. Machine default updates service NOT installed
                > Expected output: ConfigurePatching successfully reads and logs that auto OS updates are NOT installed and marks them as disabled. No action taken to disable them
                > 37.core.log
                > 37 - Copy.status.txt
        3. Machine default updates service installed and enabled
                > Expected output: ConfigurePatching successfully reads and logs that auto OS updates are installed and enabled and disables them. Action taken to disable auto OS updates
                > 17.core.log
                > 17 - Copy.status.txt
[x] Selecting latest package version if multiple are available
        1. Assessment logs where latest version is selected for multiple patches
                > 1.core.log
                > 1 - Copy(2).status.txt

Test Matrix

Concern about Azure Linux behavior:

[x] Kernel packages still show up as pending despite being installed. See cmd output below

cmd: 'sudo tdnf list installed kernel' lists all installed versions of 'kernel' on the VM and 'sudo tdnf list updates' lists all 'kernel' versions available to update. Even though we have the latest kernel version '6.6.78.1-3.az13' installed on the machine, it still shows up under patches to be updated. This affects Auto Patching since this patch will also show up in assessment results even after being installed. This is not a bug in our code but something to be tracked with Azure Linux team
NOTE: This is only observed for kernel patches

[codecov]

Codecov Report

Attention: Patch coverage is 96.98965% with 32 lines in your changes missing coverage. Please review.

Project coverage is 92.87%. Comparing base (1c95e78) to head (dfb665b).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
...rc/core/src/package_managers/TdnfPackageManager.py	94.60%	22 Missing ⚠️
src/core/tests/Test_TdnfPackageManager.py	98.94%	5 Missing ⚠️
src/core/tests/Test_EnvLayer.py	93.75%	3 Missing ⚠️
src/core/tests/library/LegacyEnvLayerExtensions.py	96.96%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #293      +/-   ##
==========================================
+ Coverage   92.51%   92.87%   +0.35%     
==========================================
  Files         100      103       +3     
  Lines       16351    17399    +1048     
==========================================
+ Hits        15127    16159    +1032     
- Misses       1224     1240      +16     

Flag	Coverage Δ
python27	92.87% <96.98%> (+0.35%)	⬆️
python39	92.87% <96.98%> (+0.35%)	⬆️

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[feng-j678]

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[kjohn-msft]

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