113 lines
4.6 KiB
Plaintext
113 lines
4.6 KiB
Plaintext
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#!/usr/bin/env perl
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# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
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# Script to demonstrate how to parse out the event info that comes from a
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# Condition that is watching another Condition in a hierarchical cluster environment.
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# To use this script, create a Response that invokes this script with a log file name as the input.
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# Then associate the Response with a Condition that is watching Conditions on other
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# nodes. When the Conditions occur, this script will wall the relevant event information.
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# This info that is passed into this sample is structured as follows:
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# EMS Condition/Event:
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# $ENV{ERRM_COND_NAME}
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# $ENV{ERRM_TYPEID}
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# ...
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# $ENV{ERRM_NODE_NAME} --> SN
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# $ENV{ERRM_RSRC_NAME} --> SN Condition
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# $ENV{ERRM_VALUE} --> SN Event:
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# $Occurred
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# $ErrNum
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# ...
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# $NodeName --> Leaf Node:
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# $ResourceName --> Resource
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# $Attribute 1 --> Attr 1
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# $Attribute 2 --> Attr 2
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use strict;
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use Getopt::Std;
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use POSIX qw(strftime);
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use File::Path;
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# Convert Severity and Type environment variables from integers to strings
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my @COND_SEVERITY = qw(Informational Warning Critical);
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my @TYPE = ('Event', 'Rearm event');
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my $severity=$COND_SEVERITY[$ENV{ERRM_COND_SEVERITYID}];
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my $type=$TYPE[$ENV{ERRM_TYPEID }];
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my $filename = shift;
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# Parse the ERRM_VALUE attribute, which will contain the EventOccurred structured data variable from the Condition class
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# The fields in this structured data variable are documented below where we parse them out.
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my $event = $ENV{ERRM_VALUE};
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$event =~ s/^\[(.*)\]$/$1/; # SD variables have square brackets around them
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# This parse the LastEvent
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my ( # split the SD into the following fields:
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$Occurred, # One if the condition has been triggered
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$ErrNum, # Non-zero if there was in error in the event registration
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$ErrMsg, # The string msg related to ErrNum
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$EventFlags, # Bit mask giving some additional info about the event
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$EventTime, # Time of event expressed in seconds since 1/1/1970
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$EventTimeMicros, # Number of microseconds past EventTime
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$ResourceHandle, # Binary address of the RMC resource that caused the condition to be triggered
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$NodeName, # The node on which the event occurred. For conditions that use the management domain scope (4),
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# this will be the leaf node. For conditions that use the local scope (e.g. NodeReachability),
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# this will be the FMS.
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$NumAttrs, # Number of attr values from the resource returned in this event
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$NumAttrsInExpr, # How many of the above were attributes in the event expression
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$IndexForAttrs, # The starting index of the array of values. Until new fixed fields are added
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# to LastEvent, this will be the element right after this one.
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$AttrArray # This list of attribute names, types, and values
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) = split(/,/, $event, 12);
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my @attrArray = split(/,/, $AttrArray); # Note: parsing this way does not support SDs or SD Arrays that may be in this list
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my ($ResourceName, $valuesMsg);
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my $j = 0; # index into attrArray
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for (my $i=0; $i<$NumAttrs; $i++) {
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my $attrName = $attrArray[$j++];
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my $attrType = $attrArray[$j++]; # Types <= 8 are "simple" types. Types > 8 are SDs and arrays.
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my $attrValue = $attrArray[$j++];
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if ($attrName eq '"Name"') { $ResourceName = $attrValue; }
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$valuesMsg .= " Attribute Value $i: $attrName = $attrValue\n";
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}
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if (!length($ResourceName)) { $ResourceName = '(unknown)'; }
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my $msg="=============================================================================\n";
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$msg .= " Time: " . convertTime($EventTime) . " \n";
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$msg .= " MN Condition: $ENV{ERRM_COND_NAME}\n";
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$msg .= " Severity: $severity\n";
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$msg .= " Event Type: $type\n";
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$msg .= " SN Condition: $ENV{ERRM_RSRC_NAME}\n";
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$msg .= " SN: $ENV{ERRM_NODE_NAME}\n"; # do we have to use $ERRM_NODE_NAMELIST here?
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$msg .= " Node: $NodeName\n";
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$msg .= " Resource Name: $ResourceName\n";
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if (length($valuesMsg)) {
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$msg .= " Attributes:\n";
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$msg .= $valuesMsg;
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}
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# Skipped the following: $ERRM_EXPR $ERRM_RSRC_CLASS_PNAME $ERRM_DATA_TYPE $ERRM_NODE_NAMELIST $ERRM_RSRC_TYPE
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#$str = escape_chars($str);
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if (open (FILE, ">>$filename")) {
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print FILE "$msg\n";
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close (FILE);
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}
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exit;
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# convert time string
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sub convertTime {
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my ($seconds, $micro) = split(/\./, $_[0]);
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return strftime("%A %D %T", localtime($seconds));
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}
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