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https://issues.apache.org/jira/browse/AMBARI-21633?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16119681#comment-16119681
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Doroszlai, Attila commented on AMBARI-21633:
Hi [~simon.heeg],
{{get_tokens()}} should return a tuple. [Here's an
example|https://github.com/apache/ambari/blob/branch-2.4/ambari-server/src/main/resources/common-services/FLUME/1.4.0.2.0/package/alerts/alert_flume_agent_status.py#L35-L40]
of requesting one configuration parameter:
{noformat:title=alert_flume_agent_status.py}
def get_tokens():
"""
Returns a tuple of tokens in the format {{site/property}} that will be used
to build the dictionary passed into execute
"""
return (FLUME_CONF_DIR_KEY,)
{noformat}
> Ambari alerts not able to pass only one configuration parameter
> ---
>
> Key: AMBARI-21633
> URL: https://issues.apache.org/jira/browse/AMBARI-21633
> Project: Ambari
> Issue Type: Bug
> Components: alerts
>Affects Versions: 2.4.2
> Environment: Ubuntu 14.04
>Reporter: Simon Heeg
>Priority: Minor
> Labels: alerts, newbie
>
> Ambari Alerts will call the *get_tokens():* functions in an alert script to
> populate the *configurations* dictionary. However, if *get_tokens():* only
> requests one configuration parameter, the dictionary will look like this:
> {"a": "a", "o": "o", "e": "e", "i": "i", "h": "h", "-": "-", "m": "m", "/":
> "/", ".": ".", "s": "s", "r": "r", "u": "u", "t": "t", "v": "v"}
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