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This is used to track the issue on GitHub:
https://github.com/Azure/WALinuxAgent/issues/389
Description of problem:
waagent fails to run the AutoUpdated WALA process.
Version-Release number of selected component (if applicable):
WALinuxAgent-2.1.5
RHEL Version: RHEL-6.8-20160414.0
Python Version: 2.6.6
How reproducible:
100%
Steps to Reproduce:
1. Prepare a RHEL7.3 VM on Azure East US location(ASM mode) with WALA-2.1.5 installed. Enable wala auto-update in the /etc/waagent.conf:
# AutoUpdate.Enabled=y
# AutoUpdate.GAFamily=Prod
Then restart waagent service
# service waagent restart
2. Wait until the new WALA package is downloaded. Check waagent.log. Check the -run-exthandler process.
Actual results:
waagent can't run the new WALA.
There's error logs in waagent.log:
2016/08/24 17:43:21.094375 INFO Instantiating Agent WALinuxAgent-2.1.6 from disk
2016/08/24 17:43:21.102146 INFO Agent WALinuxAgent-2.1.6 error state: Last Failure: 0.0, Total Failures: 0, Fatal: False
2016/08/24 17:43:21.113080 INFO Ensuring Agent WALinuxAgent-2.1.6 is downloaded
2016/08/24 17:43:21.121714 INFO Agent WALinuxAgent-2.1.6 was previously downloaded - skipping download
2016/08/24 17:43:21.132177 INFO Agent WALinuxAgent-2.1.6 loaded manifest from /var/lib/waagent/WALinuxAgent-2.1.6/HandlerManifest.json
2016/08/24 17:43:21.144947 INFO Determined Agent WALinuxAgent-2.1.6 to be the latest agent
2016/08/24 17:43:21.164787 WARNING Agent WALinuxAgent-2.1.6 launched with command 'python -u bin/WALinuxAgent-2.1.6-py2.7.egg -run-exthandlers' failed with exception: execv() argument 1 must be encoded string without NULL bytes, not str
2016/08/24 17:43:21.189836 ERROR Event: name=WALinuxAgent, op=Enable, message=Agent WALinuxAgent-2.1.6 launched with command 'python -u bin/WALinuxAgent-2.1.6-py2.7.egg -run-exthandlers' failed with exception: execv() argument 1 must be encoded string without NULL bytes, not str
2016/08/24 17:43:21.214555 WARNING Agent WALinuxAgent-2.1.6 is permanently blacklisted
2016/08/24 17:43:21.226883 INFO Installed Agent WALinuxAgent-2.1.5 is the most current agent
2016/08/24 17:43:21.243329 INFO Agent WALinuxAgent-2.1.5 launched with command 'python -u /usr/sbin/waagent -run-exthandlers'
Expected results:
waagent runs the new WALA.
Additional info:
1. Only exists in RHEL-6. Doesn't exist in RHEL-7.
2. If install WALA-2.1.6 directly, there's no error log. Only exists during AutoUpdate.