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License: MIT License

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nagios-for-i's Introduction

nagios-for-i

Description

Nagios provides enterprise-class Open Source IT monitoring, network monitoring, server and applications monitoring.
We provide several customized plugin for monitoring IBM i systems.
You could refer to the this link for more details.

The nagios plugin for i has two methods.

You can run the plugin with a daemon server to handle and dispatch the request to worker thread.
You could start the daemon server by script server_start.sh.
You can also run the plugin without the server. Then every request will be handled by seperate processes. It would be more simple but consumes more resources.

The plugins suport to mornitor following martix

  plugin            martix

  CPU               Retrieve the CPU utilization for the entire system

  SpecificJobCPU    Retrieve the CPU usage for a specific job

  DiskUsage         Retrieve the disk usage status

  DiskConfig        Retrieve the disk health status

  ASPUsage          Retrieve the ASP usage percentage of the entire system

  ActiveJobs        Retrieve the number of active jobs on the system

  BasicInfo         Retrieve the basic information of an IBM i system

  CurSignOnUsers    Retrieve the number of users that currently log on to the system

  LongRunSQL        Retrieve the longest running SQL

  Message           Retrieve the messages from a specific message queue

  SpecificMessage   Retrieve the status whether a specific message ID is found in a specific message queue

  PageFaults        Retrieve the page faults

  SubsystemJobs     Retrieve job information in a specific subsystem

  CustomSQL         The user could leverage SQL services to create self-defined matrix

  TempStorageJobs   Retrieve top N jobs that have the most temp storage usage

  DaemonServer      Retrieve the daemon server status

Installation and upgrade

Nagios Core

For the version of Nagios Core, you could install the latest plugins by service pack in directory service pack.
You could take Nagios Plugin for IBM i Install and Configure Guidelines.txt for detail steps.

Nagios XI

The wizards for monitoring IBM i should be installed in the base shipment for Nagios XI (As of Jan 2021 this is not the case). To update or install the plugins you should do the following.

Download the Wizards and store locally
- ibmiserice.zip
- ibmicustomsql.zip
Open the web interface.
- Select the Admin page
- Select Manage Config Wizards (left hand column of links)
- Select Browse to select the zip file
- Select the Upload and Install button to install the Wizard

The wizards should now be available to monitoring the IBM i.

Information from Nagios about installing wizards which has a lot more information can be found here.

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nagios-for-i's Issues

com.ibm.nagios.config.HostConfig via SSL

Hi,
I've open ports 992,9470-9476 only. It seems that adding host without 8471 port is impossible. Could you add functionality for SSl-use?

Check the Partitions Status from IBM i

setting up the above using the HMC Plugin Service we receive HMC user profile not set, i note that there is no box to specify a user for the HMC user profile, as we would for SST or the ibm i. I have also followed Add a user profile for HMC # /bin/bash /usr/local/nagios/libexec/host_config.sh -i hmc but still see the issue, is there a fix available for this?

In addition we see in the HMC Plugin Service that the Management Console version, Systems and partitions tick boxes are grayed out for the monitored metric , Management Console Version, HMC Managed Systems , HMC Managed Partitions

Thank You

Error when adding an IBM i Host

I'm trying to add an IBM i host which can only be connected to via secure ports (947* range).

SSL/TLS has been configured successfully - required certificates added to the Nagios keystore.
This has been proven by completing the same process on an IBM i host that can be connected on unsecure ports (847* range).

When I complete the wizard (screen shot attached) it fails with the error:
Register profile error:
java.net.SocketTimeoutException: connect timed out
Insert host failed

Does anyone have any suggestions on how I can overcome this issue?

Thanks

Configure SSL for Host Connection

Please can someone point me in the direction of the instructions for creating the host connections to IBM i as Secure JDBC/SSL.
i.e. using the 947* range of ports rather than the 847* range.

I've looked everywhere but can't find how to do this.

Thanks

Build it

Hi !
I'm new to Java building ... How could I build this project from source, the simplest way ?
Couldn't find any project or build/make file ...
Any answer welcome :)

CPU Utilization Nagios not works with IBM i 7.4

After a migration of IBM i 7.3 to 7.4 This monitor not work's correctly somebody has the same issue and how fiexed.?

java.io.EOFException Insert Host Failed.

We are receiving the following error:

when trying to add out host.

Can you please advise where to look for the error logs to determine the root cause of this issue?

Many thanks

Marius

Unreleased Resource: Sockets

nagios-for-i/NagiosServer/com/ibm/nagios/Server.java

Line 19 in 82e842e

ServerSocket serverSocket = new ServerSocket();

The program can potentially fail to release a socket.

Host user profile not set

Good Morning,

May I ask what should we do to resolved this issue?

(No output on stdout) stderr: Host user profile not set

The error appears after I backup Nagios.host.java.config.ser because it is 0 byte.

Thanks

Status Unknown

Setting up the plugin for monitoring with Nagios XI, the plugin reported correctly for a couple days. After that time period all of the iSeries services being monitored went to a status of "unknown" with a status information reading "(No output on stdout) stderr: HostConfig-load(): java.io.EOFException: Unexpected end of ZLIB input stream"

If I remove the host and try to re-add it, I now get this error:

Register profile error:
java.io.EOFException: Unexpected end of ZLIB input stream
java.util.zip.InflaterInputStream.fill(InflaterInputStream.java:240)
java.util.zip.InflaterInputStream.read(InflaterInputStream.java:158)
java.util.zip.GZIPInputStream.read(GZIPInputStream.java:117)
java.io.ObjectInputStream$PeekInputStream.read(ObjectInputStream.java:2719)
java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2735)
java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:3212)
java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:895)
java.io.ObjectInputStream.(ObjectInputStream.java:357)
com.ibm.nagios.config.HostConfig.load(HostConfig.java:199)
com.ibm.nagios.config.HostConfig.Insert(HostConfig.java:126)
com.ibm.nagios.config.HostConfig.main(HostConfig.java:60)
Insert host failed

Java error setting up Nagios Plug-in for IBM i

Following error occured during setup of Nagios for IBMi (https://www.ibm.com/support/pages/node/1166188) step 3 for a IBMi lpar on the Nagios server:

[root@xxxxxxx nagios]# /bin/bash /usr/local/nagios/libexec/host_config.sh -i host
Input the host address(IP):XXXXXXXXX
Input the userID:YYYYYYYY
Input the password:
Confirm the password:
Exception in thread "main" java.lang.NoClassDefFoundError: com/ibm/as400/access/AS400
at com.ibm.nagios.config.HostConfig.Insert(HostConfig.java:113)
at com.ibm.nagios.config.HostConfig.main(HostConfig.java:82)
Caused by: java.lang.ClassNotFoundException: com.ibm.as400.access.AS400
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
... 2 more

Using nagios-plugin-for-IBM-i_20211112.tar on Nagios Core 4.4.14
tried to set $CLASSPATH to jar files, but still same result.....

How to fix this problem to add a IBMi lpar to Nagios server?

iASPUsage : the calculated and displayed used space is not correct

Hi !

Line #50 should be something like :
percentUsed = (double) (totalCapacity - capacityAvailable) / (double) totalCapacity;

And for lines #67 and #75, display values should be percentUsed * 100 instead of / 100

Best regards,

Can we monitor Mimix with plugin?

Hi,

My client request to monitor Mimix. Can we monitor Mimix using this plugin?

Tried to go larger than storage limit for object error when using plugin to look for messages

When using this plugin to monitor LPARs for message IDs CPF1164 and CPF1240 after about 24 hours the QZDASOINIT job the plugin is connecting to gets an error:

Tried to go larger than storage limit for object QGY_QZDASOINTQUSER_____
Function check. MCH2804 unmonitored by QGYOLMSG at statement *N. instruction X'0403

The actual jobnumber is listed where I put . This generates a DUMP that is is millions of lines long and endup in a MSGW due ti hitting our maximum record number for file.

We are calling the check with:
/usr/local/nagios/libexec/check_ibmi_status.sh -M SpecificMessage -H $hostname -I CPF1240,CPF1164

Perfdata not standard Nagios

Hello, great job
The perfdata are not standard of nagios:
https://nagios-plugins.org/doc/guidelines.html#AEN200
we have :
CPU Utilization = 11.11% | 'CPU Utilization' = 11.11%;10.0;20.0
but we expect:
CPU Utilization = 11.11% | 'CPU Utilization'=11.11%;10.0;20.0
Without space between label and value
Thank's

Service time out

We have IBMi LPAR being monitored by Nagios. every now and then we face the see the below issue. Please suggest

Notification details:
(Service check timed out after 91.01 seconds)

CustomSQL mix information when running checks

Hi.

I am currently checking/monitoring 2 services using the "CustoSQL" function. However, the information from one check is mixed with the other from time to time. For example, I have a CPU monitor and a message monitor that are defined under querys in the CustomSQL.xml file. When the CPU monitor does a check, it may return the correct CPU information or it may return the output of the message check query.

In my opinion, the solution could be to use various .xml files with the functions of each check and thus avoid combining information, but the plugin always points to /usr/local/nagios/etc/objects/CustomSQL.xml and does not allow using another path or different file.

Is there a way to solve it?

JDBC connection pool reset timer started

The check works fine - the status is working as intended (OK, warning and critical) but we're having an issue where the code itself from the plugin is returning the string of "JDBC connection pool reset timer started" so the status information just displays this string instead of (OK, Warning or Critical). Is there a work around this?

Exception - com.ibm.as400.access.ConnectionPoolException: Maximum configured number of connections has been reached.

Hi ,

Is there any way we can tune the max connection poll value from 100 to 200 maybe?

The error keep coming multple times a day and gone by it self yet it enough to annoy the engineering team. While on other system it only show 3 to 4 rows of connection.

if (pool == null) {
AS400JDBCConnectionPoolDataSource dataSource = new AS400JDBCConnectionPoolDataSource(system, userID, password);
dataSource.setSecure(true);
dataSource.setSocketTimeout(120000);////(60000 millisec == 1 min)- required when pool is trying to connect to a system that was shutdown after pool was opened.. in that case without timeout connection will hang
dataSource.setThreadUsed(false);
pool = new AS400JDBCConnectionPool(dataSource);
pool.setMaxConnections(100);
SecureJDBCPool.put(system, pool);

Thanks.

The nagios plugin for i has two methods.

Hi everybody,

the Readme tells the following:

...
The nagios plugin for i has two methods.

* You can run the plugin with a daemon server to handle and dispatch the request to worker thread.
   You could start the daemon server by script server_start.sh.
* You can also run the plugin without the server. Then every request will be handled by seperate processes. It would be more simple but consumes more resources.

...

Can someone give me a sample configuration for the two different methods so I understand the difference between the two?

Many thanks in advance.

register new IBM i host

I get the following when trying to add a new host

Exception in thread "main" java.lang.NoClassDefFoundError: com/ibm/as400/access/AS400
at com.ibm.nagios.config.HostConfig.Insert(HostConfig.java:113)
at com.ibm.nagios.config.HostConfig.main(HostConfig.java:82)
Caused by: java.lang.ClassNotFoundException: com.ibm.as400.access.AS400
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
... 2 more

New install of nagios from ova and followed instructions for installing the plugin.

How to monitor only the unanswered qsysopr messages in IBM i

Installation wizards do not work!

Tried to install the 2 wizards, the zip files are not valid XI wizards and so they will not work.

Problems with class path

When running the host_config.sh script it errors

/bin/bash /usr/local/nagios/libexec/host_config.sh -i host
Input the host address(IP):sas3.shield.local
Input the userID:usr
Input the password:
Confirm the password:
Exception in thread "main" java.lang.NoClassDefFoundError: com/ibm/as400/access/AS400
at com.ibm.nagios.config.HostConfig.Insert(HostConfig.java:113)
at com.ibm.nagios.config.HostConfig.main(HostConfig.java:82)
Caused by: java.lang.ClassNotFoundException: com.ibm.as400.access.AS400
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 2 more

We had to update the script to add the jt400.jar to the class path for it to work. I think that is because you override the class path with the -cp option?
#!/bin/bash
java -cp /usr/local/nagios/libexec/jt400.jar:/usr/local/nagios/libexec/nagios4i.jar com.ibm.nagios.config.HostConfig $1 $2

Long Run SQL - description is repeated

Description is repeated many times and output when found a sql repeted too.

application requester cannot establish the connection. (Connection refused (Connection refused))

I am trying to monitor an iseries and I am receiving an exception error on some of the monitors, but not all.

When I try ASPUsage I get:
Exception - com.ibm.as400.access.ConnectionPoolException: The application requester cannot establish the connection. (Connection refused (Connection refused))
com.ibm.as400.access.AS400JDBCConnectionPool.fill(AS400JDBCConnectionPool.java:360)
com.ibm.as400.access.AS400JDBCConnectionPool.getPooledConnection(AS400JDBCConnectionPool.java:501)
com.ibm.as400.access.AS400JDBCConnectionPool.getConnection(AS400JDBCConnectionPool.java:456)
com.ibm.nagios.util.JDBCConnection.getJDBCConnection(JDBCConnection.java:56)
com.ibm.nagios.service.impl.ASPUsage.execute)ASPUsage.java:39)
com.ibm.nagios.client.CheckIBMiStatus.main(CheckIBMiStatus.java:77)

However, If I try BasicInfo - it works and I get a response back.

Doubt

Hello *ALL ..

One doubt, I'm working in a client where NAGIOS is running, I can't check the configuration yet ... but when NAGIOS ask system any query NAGIOS takes too much CPU ... (I haven't time time to check or investigate yet)

I have found here https://github.com/cjt74392/check_as400 that user NAGIOS have at INLPGM initial program the RCLRSC command.

Can anyone explain why?

Thanks..

CPU Overload not Works!!!!

Hi everyone,

When use the command CPUOverloadJobs put the threshold -W 3.0 -C 4.0 for example but command not do it nothing.
somebody have the same problem with this command ?

[root@localhost libexec]# ./check_ibmi_status.sh -M CPUOverloadJobs -H 223.0.0.227 -W 3.0 -C 4.7
CPU overload job num: 0 (Warning: 3.0% Critical: 4.7%) | CPU overload job num = 0

CPUOverloadJobs always get 0.00%

Hi,

I created a simple CLP program to generate CPU load, but always get OK status.
I checked by running manually the SQL request found in Java code, I got correct ELAPSED_CPU_PERCENTAGE (280.2 actually).
While the "load generator" program was still running, i tried to re-launch the check command with "-W 0 -C 0", I got a list of all jobs, each showing a 0.00% CPU !
I tried some older versions of nagios4i.jar and jt400.jar, same result.
Any idea ?

Thanks for the good job by the way :)

Exception - java.lang.NumberFormatException: For input string: "8999999999999999999"

Hi ,

We have a check that we need to do for Journal Sequence Numbers to which can go to a large value. (e.g. 9999999999999999999),

if we add the check here to that value :

This error shows during check:

It looks like its the plugin that cannot handle the large value but we are not able to find where this large value resides, any help will be appreciated to see where we need to increase this value to accomplish the check.

Thanks

Register profile error

When attempting to add a new IBM i host I get this error

Register profile error:
java.io.IOException: Permission denied
java.io.UnixFileSystem.createFileExclusively(Native Method)
java.io.File.createNewFile(File.java:1014)
com.ibm.nagios.config.HostConfig.load(HostConfig.java:177)
com.ibm.nagios.config.HostConfig.Insert(HostConfig.java:125)
com.ibm.nagios.config.HostConfig.main(HostConfig.java:63)
Insert host failed

We're using Nagios XI 5.8.0

No X11 DISPLAY variable was set, but this program performed an operation which requires it.

I am using the ibmi plugin to check many iseries. Over the weekend I started getting the below error. We are using a centos 7 server to run the plugin. Other iseries work ok, its just one that is not working, very strange.

Here is my command:
./check_ibmi_status.sh -M ASPUsage -SSL n -H $ARG6$ -W 90 -C 95

I have tried setthing the DISPLAY variable, but that does not fix the issue.

Any ideas?

Unknown
(No output returned from plugin)
No X11 DISPLAY variable was set, but this program performed an operation which requires it.
java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:204)
java.awt.Window.(Window.java:536)
java.awt.Frame.(Frame.java:420)
java.awt.Frame.(Frame.java:385)
com.ibm.as400.access.ToolboxSignonHandler.displayMessage(ToolboxSignonHandler.java:336)
com.ibm.as400.access.ToolboxSignonHandler.passwordAboutToExpire(ToolboxSignonHandler.java:88)
com.ibm.as400.access.AS400.promptSignon(AS400.java:2956)
com.ibm.as400.access.AS400.signon(AS400.java:4246)
com.ibm.as400.access.AS400.connectService(AS400.java:1336)
com.ibm.as400.access.AS400JDBCConnection.setProperties(AS400JDBCConnection.java:3383)
com.ibm.as400.access.AS400JDBCDataSource.getConnection(AS400JDBCDataSource.java:706)
com.ibm.as400.access.AS400JDBCDataSource.getConnection(AS400JDBCDataSource.java:564)
com.ibm.as400.access.AS400JDBCConnectionPool.createPooledConnection(AS400JDBCConnectionPool.java:307)
com.ibm.as400.access.AS400JDBCConnectionPool.fill(AS400JDBCConnectionPool.java:344)
com.ibm.as400.access.AS400JDBCConnectionPool.getPooledConnection(AS400JDBCConnectionPool.java:501)
com.ibm.as400.access.AS400JDBCConnectionPool.getConnection(AS400JDBCConnectionPool.java:456)
com.ibm.nagios.util.JDBCConnection.getJDBCConnection(JDBCConnection.java:35)
com.ibm.nagios.service.impl.ASPUsage.execute(ASPUsage.java:39)
com.ibm.nagios.client.CheckIBMiStatus.main(CheckIBMiStatus.java:73)

[java.awt.HeadlessException:
No X11 DISPLAY variable was set, but this program performed an operation which requires it.
at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:204)
at java.awt.Window.(Window.java:536)
at java.awt.Frame.(Frame.java:420)
at java.awt.Frame.(Frame.java:385)
at com.ibm.as400.access.ToolboxSignonHandler.displayMessage(ToolboxSignonHandler.java:336)
at com.ibm.as400.access.ToolboxSignonHandler.passwordAboutToExpire(ToolboxSignonHandler.java:88)
at com.ibm.as400.access.AS400.promptSignon(AS400.java:2956)
at com.ibm.as400.access.AS400.signon(AS400.java:4246)
at com.ibm.as400.access.AS400.connectService(AS400.java:1336)
at com.ibm.as400.access.AS400JDBCConnection.setProperties(AS400JDBCConnection.java:3383)
at com.ibm.as400.access.AS400JDBCDataSource.getConnection(AS400JDBCDataSource.java:706)
at com.ibm.as400.access.AS400JDBCDataSource.getConnection(AS400JDBCDataSource.java:564)
at com.ibm.as400.access.AS400JDBCConnectionPool.createPooledConnection(AS400JDBCConnectionPool.java:307)
at com.ibm.as400.access.AS400JDBCConnectionPool.fill(AS400JDBCConnectionPool.java:344)
at com.ibm.as400.access.AS400JDBCConnectionPool.getPooledConnection(AS400JDBCConnectionPool.java:501)
at com.ibm.as400.access.AS400JDBCConnectionPool.getConnection(AS400JDBCConnectionPool.java:456)
at com.ibm.nagios.util.JDBCConnection.getJDBCConnection(JDBCConnection.java:35)
at com.ibm.nagios.service.impl.ASPUsage.execute(ASPUsage.java:39)
at com.ibm.nagios.client.CheckIBMiStatus.main(CheckIBMiStatus.java:73)]

Missing proper message severity for 7.1 or below sys version

For version 7.1 or below, the plugin does not return proper message severity. I think the short fix in Message.java (https://github.com/IBM/nagios-for-i/tree/master/NagiosServer/com/ibm/nagios/service/impl) file can resolve this issue - line 211 add code:

// Retrieve message severity
severity=pcml.getIntValue("qgyolmsg.lstm0100.msgEntry.msgSeverity", index);

Error finding classpath

When running the host_config.sh script it errors

ibm / nagios-for-i Goto Github PK

nagios-for-i's Introduction

nagios-for-i

Description

Installation and upgrade

Nagios Core

Nagios XI

nagios-for-i's People

Stargazers

Watchers

Forkers

nagios-for-i's Issues

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