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[SRU JUSTIIFCATION]
Microsoft has released a new version of the WALinuxAgent 2.0.12. This release 
has a number of important fixes for running Ubuntu on Windows Azure.

[ISSUES FIXED]
Support page blob for status blob: on some instance types, provisioning status 
may not be reported back when using extensions.

Fix extension status on disable success: when extension is issued
disable command, the state is set to "installed," causing extensions to
fail.

Update shared config handler: on some instance types, provisioning may
fail due to the interface not having DHCP.

[TEST CASE]

Test Case 1:
- Launch Ubuntu instance
- Upgrade walinuxagent from -proposed
- Check /var/log/waagent for errors
- Reboot
- Check /var/log/waagent.log for errors
- Confirm that /var/log/waagent.log is running

Test Case 2:
- Shutdown instance from Test Case 1
- Capture VM
- Launch new instance from Capture VM
- Confirm instance comes up with new identity
- Confirm /var/lib/waagent/SharedConfig.xml exists
- Confirm that "waagent" is running

Test Case 3:
- Build new image from -proposed
- Boot new image
- Confirm that instance provisioned

[REGRESSION POTENTIAL] WALinuxAgent 2.0.12 is mostly bug fixes. However,
the contains a number of new features for supporting other distros. The
default Ubuntu configuration and integration w/ Cloud-init mitigates
these risks.

-----------------
[ORIGINAL REPORT]

Microsoft has released a new version of the WALinuxAgent 2.0.12. This
release has a number of important fixes:

Support page blob for status blob
https://github.com/Azure/WALinuxAgent/commit/8e506f9696e174fa79b5384af23fed35848d636e

Fix extension status on disable success
https://github.com/Azure/WALinuxAgent/commit/b655adb4b26ef1723c409fa60ac6696de875853e

Update shared config handler
https://github.com/Azure/WALinuxAgent/commit/9d3b061ae102967b4bbeab52089dc867b7a51fae

The first two are related to the VM extension feature, which is widely
used on Azure either directly by customers or via marketplace templates
(i.e. Docker+Ubuntu).

The first patch fixes an issue on the Premium Storage stack that would
cause VM extensions and templates to break and provisioning to fail.
This fix is the main crux for requesting the FFE.

** Affects: walinuxagent (Ubuntu)
     Importance: Medium
     Assignee: Ben Howard (utlemming)
         Status: New

** Affects: walinuxagent (Ubuntu Trusty)
     Importance: Undecided
         Status: New

** Affects: walinuxagent (Ubuntu Utopic)
     Importance: Undecided
         Status: New

** Affects: walinuxagent (Ubuntu Vivid)
     Importance: Medium
     Assignee: Ben Howard (utlemming)
         Status: New

-- 
[SRU][FFE] update walinuxagent to 2.0.12
https://bugs.launchpad.net/bugs/1442392
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