CloudflareDDNS/etc/logwatch/scripts/services/cfddns

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#!/usr/bin/perl
#############################################################################
# $Id$
#############################################################################
# Log: CloudFlare updater script (cfddns)
# Revision 2.0 2021/05/08
# Written by Asif Bacchus
#############################################################################
use strict;
### Get Logwatch detail level
my $detailLevel = $ENV{'LOGWATCH_DETAIL_LEVEL'} || 0;
### Declare variables
my $summaryErr;
my $summaryFailedUpdate;
my $summaryInvalidHost;
my $summaryUpdated;
my $summaryUpToDate;
my %reportHash = ();
my $key;
### Minimal detail level: provide summary data only
if ($detailLevel == 0) {
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### process logfile and summarize message types
while (defined(my $ThisLine = <STDIN>)) {
if ($ThisLine =~ /ERROR: Unable to update IP address/) {
$summaryFailedUpdate++;
}
elsif ($ThisLine =~ /ERROR: /) {
$summaryErr++;
}
elsif ($ThisLine =~ /WARNING: Cannot find existing record/) {
$summaryInvalidHost++;
}
elsif ($ThisLine =~ /SUCCESS: /) {
$summaryUpdated++;
}
elsif ($ThisLine =~ /already up-to-date/) {
$summaryUpToDate++;
}
}
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### fill hash table with headings and summary counts
if ($summaryUpdated > 0) {
$reportHash{"Entries successfully updated"} = $summaryUpdated;
}
if ($summaryUpToDate > 0) {
$reportHash{"Entries already up-to-date"} = $summaryUpToDate;
}
if ($summaryInvalidHost > 0) {
$reportHash{"Undefined hosts"} = $summaryInvalidHost;
}
if ($summaryFailedUpdate > 0) {
$reportHash{"Hosts failed to update"} = $summaryFailedUpdate;
}
if ($summaryErr > 0) {
$reportHash{"Other errors"} = $summaryErr;
}
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### print hash table
foreach $key (sort keys %reportHash) {
print "$key: $reportHash{$key}\n";
}
}
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### Levels 1-4 provide the actual error, status and success messages instead of
### a summary count
elsif ($detailLevel >= 1 && $detailLevel <= 4) {
while (defined(my $ThisLine = <STDIN>)) {
if ($ThisLine =~ /ERROR: /) {
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print $ThisLine;
}
elsif ($ThisLine =~ /WARNING: Cannot find existing/) {
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print $ThisLine;
}
elsif ($ThisLine =~ /SUCCESS: /) {
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print $ThisLine;
}
}
}
### Any level 5 or above will echo the entire log. The log itself is purposefully terse
### so while this level of detail is likely rarely needed, it is still not an overwhelming
### level of detail.
### Generally, however, using this level of detail should only be done if you cannot view
### the actual log file directly for whatever reason. The actual log file is colour-coded
### for easier debugging.
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elsif ($detailLevel > 5) {
while (defined(my $ThisLine = <STDIN>)) {
print $ThisLine;
}
}
### Exit gracefully
exit (0);
# vi: shiftwidth=3 tabstop=3 et
# Local Variables:
# mode: perl
# perl-indent-level: 3
# indent-tabs-mode: nil
# End: