Nick Ivanov created AMBARI-10354:
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Summary: Ambari agent setup fails on localhost: server creates
invalid configuration file
Key: AMBARI-10354
URL: https://issues.apache.org/jira/browse/AMBARI-10354
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: 1.7.0
Environment: Centos 6
Reporter: Nick Ivanov
Priority: Minor
setupAgent.py attempts to replace the default server setting
"hostname=localhost" with whatever the user provided. In certain circumstances
this can make the "hostname" entry invalid. For example: the user supplies
something that contains "localhost", e.g. "localhost.localdomain" and
deployment fails for some reason. The user fixes the problem and retries
deployment, this time the configuration file already contains
"hostname=localhost.localdomain" and setupAgent.py, when running for the 2nd
time, turns it into "hostname=localhost.localdomain.localdomain".
This is a minor issue, obviously, but the use case is still valid when
installing Ambari on a standalone machine for testing or education.
The fix would make the regex match more exact, e.g instead of
{code:title=setupAgent.py}
osCommand = ["sed", "-i.bak", "s/hostname=localhost/hostname=" +
server_hostname +
"/g", "/etc/ambari-agent/conf/ambari-agent.ini"]
{code}
use
{code:title=setupAgent.py}
osCommand = ["sed", "-i.bak", "s/^hostname=localhost$/hostname=" +
server_hostname +
"/", "/etc/ambari-agent/conf/ambari-agent.ini"]
{code}
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