Ferruccio Vitale | 27 Jul 12:19 2015
Picon

Permissions to ack alarms via ReST

Hi folks,

I added an unprivileged web user called "opennms" and I'm trying to ack an alarm through a ReST call but I always get an "403 access denied" error (even if I'm able to ack the same alarm as "opennms" via web).

If I use "admin" with curl everything works fine.
Does the ReST API need the admin privilege to do such operations?

Thanks,
Ferruccio
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Thorben Hemmler | 27 Jul 11:21 2015
Picon

white page after changing requisition group

Hello list!

After adding an entry in my provisioning group I got a white page (without any errors) in my browser (Firefox/IE/Chrome).
This error occurred directly after pressing the "Done" Button.

This is my web.log

2015-07-27 11:10:04,593 WARN  [qtp259315852-3597297 - /opennms/admin/editProvisioningGroup.htm]
o.e.j.s.AbstractHttpConnection: header full: java.lang.RuntimeException: Header>6144
2015-07-27 11:10:04,593 WARN  [qtp259315852-3597297 - /opennms/admin/editProvisioningGroup.htm]
o.e.j.s.Response: Committed before 500 null
2015-07-27 11:10:04,593 WARN  [qtp259315852-3597297 - /opennms/admin/editProvisioningGroup.htm]
o.e.j.s.AbstractHttpConnection: /opennms/admin/editProvisioningGroup.htm
java.lang.IllegalStateException: Committed
        at org.eclipse.jetty.server.Response.resetBuffer(Response.java:1144) ~[jetty-server-8.1.10.v20130312.jar:8.1.10.v20130312]
        at org.eclipse.jetty.server.Response.sendError(Response.java:314) ~[jetty-server-8.1.10.v20130312.jar:8.1.10.v20130312]
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1084) ~[jetty-server-8.1.10.v20130312.jar:8.1.10.v20130312]
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:384) ~[jetty-servlet-8.1.10.v20130312.jar:8.1.10.v20130312]
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193) ~[jetty-server-8.1.10.v20130312.jar:8.1.10.v20130312]
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1009) ~[jetty-server-8.1.10.v20130312.jar:8.1.10.v20130312]
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135) ~[jetty-server-8.1.10.v20130312.jar:8.1.10.v20130312]
        at
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255) ~[jetty-server-8.1.10.v20130312.jar:8.1.10.v20130312]
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:154) ~[jetty-server-8.1.10.v20130312.jar:8.1.10.v20130312]
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) ~[jetty-server-8.1.10.v20130312.jar:8.1.10.v20130312]
        at org.eclipse.jetty.server.Server.handle(Server.java:364) ~[jetty-server-8.1.10.v20130312.jar:8.1.10.v20130312]
        at
org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489) [jetty-server-8.1.10.v20130312.jar:8.1.10.v20130312]
        at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:953) [jetty-server-8.1.10.v20130312.jar:8.1.10.v20130312]
        at
org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1014) [jetty-server-8.1.10.v20130312.jar:8.1.10.v20130312]
        at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:861) [jetty-http-8.1.10.v20130312.jar:8.1.10.v20130312]
        at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240) [jetty-http-8.1.10.v20130312.jar:8.1.10.v20130312]
        at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82) [jetty-server-8.1.10.v20130312.jar:8.1.10.v20130312]
        at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:628) [jetty-io-8.1.10.v20130312.jar:8.1.10.v20130312]
        at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52) [jetty-io-8.1.10.v20130312.jar:8.1.10.v20130312]
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608) [jetty-util-8.1.10.v20130312.jar:8.1.10.v20130312]
        at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543) [jetty-util-8.1.10.v20130312.jar:8.1.10.v20130312]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_45]

Any ideas what´s wrong ?

Best regards,
Thorben

## My System: ##

OpenNMS Version: 	16.0.2
Java Version: 	1.8.0_45 Oracle Corporation
Java Virtual Machine: 	25.45-b02 Oracle Corporation
Operating System: 	Linux 2.6.32-504.8.1.el6.x86_64 (amd64)

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Bob B | 27 Jul 08:54 2015
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XML Collector problem

Hi,

I'm trying to use the XML Collector to obtain values from Ubiquiti wireless network devices.


When I restart OpenNMS, I get the following in instrumentation.log:

  2015-07-26 23:41:19,377 INFO  [Collectd-Thread-1-of-150] scheduleInterfacesWithService: begin: UBNT-Stats
  2015-07-26 23:41:19,377 INFO  [Collectd-Thread-1-of-150] scheduleFindInterfacesWithService: begin: UBNT-Stats
  2015-07-26 23:41:19,379 INFO  [Collectd-Thread-1-of-150] scheduleFindInterfacesWithService: end: UBNT-Stats. found 0 interfaces.
  2015-07-26 23:41:19,379 INFO  [Collectd-Thread-1-of-150] scheduleInterfacesWithService: end: UBNT-Stats

Can anyone see what I am missing?  What could be causing the interfaces to be ignored?

The Ubiquiti devices support limited SNMP mib-2, and the only way to query the wireless stats is to use ssh.  I have a CGI script, that runs on the OpenNMS machine itself, and uses ssh to connect to a remote device and extracts various values, and then returns XML.  Note that the HTTP request is not to the device that the data is collected from, but to 127.0.0.1 with the {ipaddr} as part of the CGI query string.  E.g.

opennms$ curl http://127.0.0.1/ubnt/opennms-ubnt-xml-collector.cgi?ipaddr=192.0.2.15
<data>
    <cpu-all-idle>96</cpu-all-idle>
    <cpu-all-io>0</cpu-all-io>
    <cpu-all-irq>0</cpu-all-irq>
    <cpu-all-nice>0</cpu-all-nice>
    ...
    <wlanSignalAllCustom-noise>-89</wlanSignalAllCustom-noise>
    <wlanSignalAllCustom-fade>-27</wlanSignalAllCustom-fade>
    <wlanAirmaxCustom-amQuality>94</wlanAirmaxCustom-amQuality>
    <wlanAirmaxCustom-amCapacity>98</wlanAirmaxCustom-amCapacity>
</data>

I have configured OpenNMS as follows:

xml-datacollection-config.xml :

    <xml-collection name="UBNT-Stats">
        <rrd step="300">
            <rra>RRA:AVERAGE:0.5:1:2016</rra>
            <rra>RRA:AVERAGE:0.5:12:8784:</rra>
            <rra>RRA:MAX:0.5:12:8784</rra>
            <rra>RRA:MIN:0.5:12:8784</rra>
        </rrd>
            <xml-group name="ubnt-stats" resource-type="node" resource-xpath="/data">
                <xml-object name="ubnt_cpu_idle"       type="GAUGE" xpath="cpu-all-idle" />
                <xml-object name="ubnt_cpu_io"         type="GAUGE" xpath="cpu-all-io" />
                <xml-object name="ubnt_cpu_irq"        type="GAUGE" xpath="cpu-all-irq" />
                <xml-object name="ubnt_cpu_nice"       type="GAUGE" xpath="cpu-all-nice" />
                ...
                <xml-object name="ubnt_noise"          type="GAUGE" xpath="wlanSignalAllCustom-noise" />
                <xml-object name="ubnt_fade"           type="GAUGE" xpath="wlanSignalAllCustom-fade" />
                <xml-object name="ubnt_amQuality"      type="GAUGE" xpath="wlanAirmaxCustom-amQuality" />
                <xml-object name="ubnt_amCapacity"     type="GAUGE" xpath="wlanAirmaxCustom-amCapacity" />
            </xml-group>
        </xml-source>
    </xml-collection>

collectd-configuration.xml :

    <package name="ubiquiti">
        <filter>
            (IPADDR != '0.0.0.0') &amp;
            (nodeSysOID == '.1.3.6.1.4.1.10002.1')
        </filter>
        <include-range begin="1.1.1.1" end="255.255.255.255"/>
        <service name="UBNT-Stats" interval="300000" user-defined="false" status="on">
            <parameter key="collection" value="UBNT-Stats" />
            <parameter key="thresholding-enabled" value="true"/>
        </service>
    </package>

    <collector service="UBNT-Stats" class-name="org.opennms.protocols.xml.collector.XmlCollector"/>

I have over 1000 nodes in OpenNMS that match the nodeSysOID above and they are all reachable.

The required opennms-plugin-protocol-xml package is installed.

I have two suspicions as to why the interfaces aren't being selected, but I'm not sure how to solve either:

1/ the default provisioning requisition (default-foreign-source.xml) is not enabling the "UBNT-Stats" service on the required interfaces; or

2/ the CGI script is served on 127.0.0.1 port 80, and perhaps OpenNMS needs to know about this "node" and have the HTTP service identified on that interface

Can anyone confirm whether I'm on the right track, and what I need to do to get this going?

Thanks,
Bob

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rpanthangi | 22 Jul 19:59 2015

How to Synchronize requisition using REST?

Hello,

I have added nodes via Requisition Rest API (Content-Type:XML). Is there a
way to trigger Synchronize the nodes in the Requisition using REST ?

Please let me know. 

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rpanthangi | 22 Jul 19:56 2015

POST Requisition not adding nodes

Hello,

I'm trying to add Nodes via Requisition - Content-Type - JSON. Below is the
request. Only Requisition is created but no nodes added. Please let know
what is wrong.

  "json-req": {
    "node": [
      {
        "foreign-id":"jr1"
        "node-label": "node-a",
        "interface": {
          "ip-addr": "127.0.0.5",
          "snmp-primary": "N",
          "monitored-service": [
            { "service-name": "ICMP" },
            { "service-name": "SNMP" }
          ]
        },
        "category": [
          { "name": "Servers" },
          { "name": "Production" }
        ]
      },
      {
        "foreign-id":"jr2"
        "node-label": "node-d",
        "interface": {
          "ip-addr": "127.1.1.3",
          "snmp-primary": "N",
          "monitored-service": [
            { "-service-name": "ICMP" },
            { "-service-name": "SNMP" }
          ]
        },
        "category": [
          { "name": "Servers" },
          { "name": "Production" }
        ]
      }
    ]
  }

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rpanthangi | 14 Jul 20:20 2015

REST API - Does OpenNMS support POST/PUT JSON objects?

Hello,

I am trying to create a Requisition via REST API. Below is the sample JSON
data, which I'm trying to POST.

Response returned is - Unsupported Media Type. 

Question - Does OpenNMS support POST/PUT Json objects? 

I'm able to perform GET and retrieve the data as JSON by adding header -
"Accept:appliciation/json"

{
  "node": {
    "-node-label": "snooplion",
    "-foreign-id": "snooplion",
    "-building": "renamed-hiphop-artists",
    "interface": {
      "-snmp-primary": "N",
      "-status": "1",
      "-ip-addr": "8.8.4.4",
      "monitored-service": { "-service-name": "DNS" }
    }
  }
}

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Graeme Fowler | 23 Jul 11:37 2015
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Provisioning oddity...

Hi folks

I've been happily using the Provisioning API for about two years but have recently stumbled into something
rather odd.

At Loughborough we have a large VMware estate. Using the Perl vSphere API I run a nightly task to extract a
list of VMs and their various attributes, then create XML files for import. Categories are assigned
according to various capabilities/attributes which are then used to assign VMs to different
polling/datacollection packages.

Here's an example (suitably redacted):

<node foreign-id="vm-1704" node-label="NODE_NAME">
  <interface ip-addr="158.125.NNN.MMM" snmp-primary="P">
  </interface>
  <category name="VCENTER_FOLDER_NAME"/>
  <category name="poweredOff"/>
  <category name="Microsoft Windows Server 2008 (64-bit)"/>
  <category name="Windows"/>
  <category name="guestToolsNotRunning"/>
  <category name="Production"/>
  <category name="DATASTORE_NAME"/>
  <category name="NONETWORK"/>
  <asset name="Address1" value="CONTACT"/>
  <asset name="DateInstalled" value="2011-02-01"/>
  <asset name="Description" value="Publications live database server"/>
    </node>

New nodes import perfectly when they've been provisioned into VMware by our management system. All nodes
have an SNMP agent on them which is used for datacollection, and is picked up on the first scan when a node is
initially imported. Nodes are rescanned (via a provisioning import) each morning to check for service changes.

The confusing thing is that I have a specific poller/datacollection package pair which stops polling or
collecting when the VM is powered off. This uses a filter:

     <filter>IPADDR != '0.0.0.0' AND IPADDR != '158.125.XXX.YYY' AND categoryName != 'poweredOff'</filter>

This used to work, but I've obviously missed a change somewhere along the line as it now doesn't. The
category change is no longer picked up - and this seems to be as a result of a node rescan failing to detect the
SNMP agent (which clearly isn't running if the VM is powered off). The event seeming to cause this is:

Aborting node scan : Agent timed out while scanning the system table

...and the changed categories then don't get reflected in the OpenNMS database. Using the example above,
the import has a category:

  <category name="poweredOff"/>

But in the database it's still got category 8 assigned (poweredOn) rather than 15 (poweredOff).

Have I missed something *really* obvious?

TIA

Graeme
--

-- 
Graeme Fowler
Senior IT Services Specialist / LU Postmaster, Systems Infrastructure
IT Services, Loughborough University, UK

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Wolek, Mark | 22 Jul 21:26 2015

Monitoring non-A type DNS records

Is there a way outside of the GP to monitor for a TXT or PTR record type existing and being correct?

 

Thanks

Mark

 



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Anthony Moon | 22 Jul 17:58 2015

Re: OpenNMS and Git hooks

Hey all,

 

I would like to start managing OpenNMS via Git, and I believe I will need to create custom git hooks to do it properly (keeping the repo’s in sync automagically).

 

What I would like to achieve is this: have OpenNMS web GUI changes committed automatically and pushed back to the remote repo, and have remote repo commits pushed to the production OpenNMS server (manually).

 

I would like to get some tips on how to achieve this if anyone else is managing OpenNMS in a similar fashion..


Thanks!

 

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olaf.kasten | 22 Jul 14:08 2015

openNMS and snmp bulk requests on HP iLO4

Hi there,

did someone of the openNMS team read aobut these problems? May be there's a solution for that. I couldn't find something relating to that during a websearch.

Kind regards

Olaf Kasten

DB Netz AG

----- Weitergeleitet von Olaf Kasten/DB AG/DE am 22.07.2015 14:05 -----


    Von:

olaf.kasten <at> deutschebahn.com

    An:

General OpenNMS Discussion <opennms-discuss <at> lists.sourceforge.net>,

    Datum:

10.07.2015 15:48

    Betreff:

[opennms-discuss] openNMS and snmp bulk requests on HP iLO4



Hi there,

we are having an issue with openNMS 16.0.2 and HP iLO4 boards:

openNMS is doing a snmpbulk request on these boards and it seems there's a not a right answer from these boards so openNMS tries that again and again and the network traffic and cpu usage is going up.

In collectd.log you'll find following log entries:

2015-07-10 14:40:25,479 WARN  [Collectd-Thread-36-of-50] o.o.n.c.CollectableService: collection failed for 192.168.1.15 due to: Error retrieving SnmpCollectors for 192.168.1.15 for /192.168.1.15: A PDU with no errors and 0 varbinds was returned from the agent at /192.168.1.15. This seems to be related with a broken SNMP agent.
org.opennms.netmgt.collectd.CollectionWarning: collection failed for 192.168.1.15 due to: Error retrieving SnmpCollectors for 192.168.1.15 for /192.168.1.15: A PDU with no errors and 0 varbinds was returned from the agent at /192.168.1.15. This seems to be related with a broken SNMP agent.
       at org.opennms.netmgt.collectd.SnmpCollectionSet.verifySuccessfulWalk(SnmpCollectionSet.java:371) ~[opennms-services-16.0.2.jar:?]
       at org.opennms.netmgt.collectd.SnmpCollectionSet.collect(SnmpCollectionSet.java:389) ~[opennms-services-16.0.2.jar:?]
       at org.opennms.netmgt.collectd.SnmpCollector.collect(SnmpCollector.java:325) ~[opennms-services-16.0.2.jar:?]
        at org.opennms.netmgt.collectd.CollectionSpecification.collect(CollectionSpecification.java:274) ~[opennms-services-16.0.2.jar:?]
       at org.opennms.netmgt.collectd.CollectableService.doCollection(CollectableService.java:388) ~[opennms-services-16.0.2.jar:?]
       at org.opennms.netmgt.collectd.CollectableService.doRun(CollectableService.java:322) [opennms-services-16.0.2.jar:?]
       at org.opennms.netmgt.collectd.CollectableService.access$000(CollectableService.java:70) [opennms-services-16.0.2.jar:?]
       at org.opennms.netmgt.collectd.CollectableService$1.run(CollectableService.java:300) [opennms-services-16.0.2.jar:?]
       at org.opennms.core.logging.Logging.withPrefix(Logging.java:66) [org.opennms.core.logging-16.0.2.jar:?]
       at org.opennms.netmgt.collectd.CollectableService.run(CollectableService.java:296) [opennms-services-16.0.2.jar:?]
       at org.opennms.netmgt.scheduler.LegacyScheduler$1.run(LegacyScheduler.java:209) [opennms-services-16.0.2.jar:?]
       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_45]
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_45]
       at org.opennms.core.concurrent.LogPreservingThreadFactory$3.run(LogPreservingThreadFactory.java:124) [opennms-util-16.0.2.jar:?]
       at java.lang.Thread.run(Thread.java:745) [?:1.8.0_45]


According to a wireshark record openNMS tries a getBulkRequest with these OIDs

.1.3.6.1.2.1.2.2.1.2
.1.3.6.1.2.1.2.2.1.5
.1.3.6.1.2.1.2.2.1.10
.1.3.6.1.2.1.2.2.1.11
.1.3.6.1.2.1.2.2.1.12
.1.3.6.1.2.1.2.2.1.13
.1.3.6.1.2.1.2.2.1.14
.1.3.6.1.2.1.2.2.1.16
.1.3.6.1.2.1.2.2.1.17


If you do a manual request to get data from the iLO with these OIDs one'll get no answer.

snmpbulkget -v 2c -c public 192.168.1.15 .1.3.6.1.2.1.2.2.1.2 .1.3.6.1.2.1.2.2.1.5 .1.3.6.1.2.1.2.2.1.10 .1.3.6.1.2.1.2.2.1.11 .1.3.6.1.2.1.2.2.1.12 .1.3.6.1.2.1.2.2.1.13 .1.3.6.1.2.1.2.2.1.14 .1.3.6.1.2.1.2.2.1.16 .1.3.6.1.2.1.2.2.1.17


You'll get an answer if you are requesting these OIDs only via snmpbulkget:

.1.3.6.1.2.1.2.2.1.2
.1.3.6.1.2.1.2.2.1.5
.1.3.6.1.2.1.2.2.1.10
.1.3.6.1.2.1.2.2.1.11
.1.3.6.1.2.1.2.2.1.12

If you're doing a snmpwalk like this

snmpwalk -v 2c -c public 192.168.1.15 .1.3.6.1.2.1.2.2.1.2

with all listed OIDs everything is working fine.

It seems this is a failure of HP iLO but I guess openNMS has to be fault-tolerant to work around such issues.
In NMS-6484 you can find almost the same but this time openNMS is still working but with heavy load.


Kind regards

Olaf
DB Netz AG

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Jay Carlson | 20 Jul 18:38 2015
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Another WMI Question

When I click on Nodes, select the appropriate node, select graphs, select total CPU utilization I get a graph showing just that. I’d like to create a threshold to alert me when total CPU utilization reaches a specific level for 6 consecutive intervals.

 

I started by using the disk space threshold as a template but I’m unable to understand exactly where the graph function gets the total CPU utilization data. Can you enlighten me? IS there a good reference that explains the WMI Objects, Methods, Properties, etc? Data source and Data Source Label are where I get confused.

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Gmane