Armando Paniagua created AMBARI-15545:
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Summary: ALERTS for yarn_resourcemanager_webui do not work in
HA+SSL enabled environment.
Key: AMBARI-15545
URL: https://issues.apache.org/jira/browse/AMBARI-15545
Project: Ambari
Issue Type: Bug
Components: alerts
Affects Versions: 2.1.0
Reporter: Armando Paniagua
ALERTS for yarn_resourcemanager_webui do not work in HA+SSL enabled
environment.
After you enable Resourcemanager HA+SSL through Ambari, the Alert shows
Critical for yarn_resourcemanager_webui because the Alert is doing a service
check on the wrong URI property.
If you look at that Alert definition (YARN/alerts.json) you can see the URI
describes different yarn-site attributes for non-ssl (http), ssl (https) and
high availability. But even after correctly enabling SSL and HA for yarn the
Alert for this service still looks at the non-ssl/non-HA attribute:
yarn-site/yarn.resourcemanager.webapp.address
Of course the service check rightfully fails since the resourcemanager webui
service is using a different service property which is the high availability
https attribute.
I did not see any other similar JIRA reported so I'm wondering if this is a
known problem?
"RESOURCEMANAGER": [
{
"name": "yarn_resourcemanager_webui",
"label": "ResourceManager Web UI",
"description": "This host-level alert is triggered if the
ResourceManager Web UI is unreachable.",
"interval": 1,
"scope": "ANY",
"source": {
"type": "WEB",
"uri": {
"http": "{{yarn-site/yarn.resourcemanager.webapp.address}}",
"https": "{{yarn-site/yarn.resourcemanager.webapp.https.address}}",
"https_property": "{{yarn-site/yarn.http.policy}}",
"https_property_value": "HTTPS_ONLY",
"kerberos_keytab":
"{{yarn-site/yarn.resourcemanager.webapp.spnego-keytab-file}}",
"kerberos_principal":
"{{yarn-site/yarn.resourcemanager.webapp.spnego-principal}}",
"high_availability": {
"alias_key" : "{{yarn-site/yarn.resourcemanager.ha.rm-ids}}",
"http_pattern" :
"{{yarn-site/yarn.resourcemanager.webapp.address.{{alias}}}}",
"https_pattern" :
"{{yarn-site/yarn.resourcemanager.webapp.https.address.{{alias}}}}"
}
},
"reporting": {
"ok": {
"text": "HTTP {0} response in {2:.3f}s"
},
"warning":{
"text": "HTTP {0} response from {1} in {2:.3f}s ({3})"
},
"critical": {
"text": "Connection failed to {1} ({3})"
}
}
}
}
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