RPM spec file: Amazon CloudWatch Monitoring Scripts for Linux

aws-scripts-mon.spec

Summary: Amazon CloudWatch Monitoring Scripts for Linux
Name: aws-scripts-mon
Version: 1.2.1
Release: 1w1%{dist}
License: ASL 2.0
Group: Applications/System
URL: http://aws.amazon.com/code/8720044071969977
Source: http://aws-cloudwatch.s3.amazonaws.com/downloads/CloudWatchMonitoringScripts-%{version}.zip
Patch: mon-put-instance-data.inode.patch
BuildRoot: %{_tmppath}/%{name}-%{version}-root
Requires: perl(LWP::Protocol::https)
BuildRequires: unzip
BuildArch: noarch

%description
The Amazon CloudWatch Monitoring Scripts for Linux are sample scripts
for monitoring memory and disk space utilization on your Amazon EC2
instances running Linux.

%prep
%setup -q -n aws-scripts-mon
%patch -p0

%install
%__rm -rf %{buildroot}
%__mkdir_p %{buildroot}/opt/aws/aws-scripts-mon
%__install -m 755 *.pl %{buildroot}/opt/aws/aws-scripts-mon/
%__install -m 644 *.pm %{buildroot}/opt/aws/aws-scripts-mon/

%clean
%__rm -rf %{buildroot}

%files
%defattr(-,root,root)
%doc awscreds.template LICENSE.txt NOTICE.txt
/opt/aws/aws-scripts-mon

%changelog
* Fri May 19 2017 Yonekawa Susumu <yone@webtech.co.jp>
- 1.2.1-1w1

* Tue Apr 26 2016 Yonekawa Susumu <yone@webtech.co.jp>
- 1.1.0-1w1
- add --disk-inode-* options

* Mon Feb 22 2016 Yonekawa Susumu <yone@webtech.co.jp>
- 1.1.0-1

mon-put-instance-data.inode.patch

--- mon-put-instance-data.pl.orig	2015-03-07 07:57:07.000000000 +0900
+++ mon-put-instance-data.pl	2017-05-19 15:48:15.927990051 +0900
@@ -31,6 +31,9 @@
   --disk-space-util   Reports disk space utilization in percentages.  
   --disk-space-used   Reports allocated disk space in gigabytes.
   --disk-space-avail  Reports available disk space in gigabytes.
+  --disk-inode-util   Reports disk inode utilization in percentages.  
+  --disk-inode-used   Reports allocated disk inodes.
+  --disk-inode-avail  Reports available disk inodes.
   
   --aggregated[=only]    Adds aggregated metrics for instance type, AMI id, and region.
                          If =only is specified, does not report individual instance metrics
@@ -115,6 +118,9 @@
 my $report_disk_util;
 my $report_disk_used;
 my $report_disk_avail;
+my $report_inode_util;
+my $report_inode_used;
+my $report_inode_avail;
 my $mem_used_incl_cache_buff;
 my @mount_path;
 my $mem_units;
@@ -153,6 +159,9 @@
     'disk-space-util' => \$report_disk_util,
     'disk-space-used' => \$report_disk_used,
     'disk-space-avail' => \$report_disk_avail,
+    'disk-inode-util' => \$report_inode_util,
+    'disk-inode-used' => \$report_inode_used,
+    'disk-inode-avail' => \$report_inode_avail,
     'auto-scaling:s' => \$auto_scaling,
     'aggregated:s' => \$aggregated,
     'memory-units:s' => \$mem_units,
@@ -320,11 +329,11 @@
   }
 }
 
-if ($report_disk_space && !$report_disk_util && !$report_disk_used && !$report_disk_avail) {
-  exit_with_error("Disk path is provided but metrics to report disk space are not specified.");
+if ($report_disk_space && !$report_disk_util && !$report_disk_used && !$report_disk_avail && !$report_inode_util && !$report_inode_used && !$report_inode_avail) {
+  exit_with_error("Disk path is provided but metrics to report disk space or inode are not specified.");
 }
-if (!$report_disk_space && ($report_disk_util || $report_disk_used || $report_disk_avail)) {
-  exit_with_error("Metrics to report disk space are provided but disk path is not specified.");
+if (!$report_disk_space && ($report_disk_util || $report_disk_used || $report_disk_avail || $report_inode_util || $report_inode_used || $report_inode_avail)) {
+  exit_with_error("Metrics to report disk space or inode are provided but disk path is not specified.");
 }
 
 # check that there is a need to monitor at least something
@@ -571,6 +580,31 @@
       add_metric('DiskSpaceAvailable', $disk_units, $disk_avail / $disk_unit_div, $fsystem, $mount);
     }
   }
+
+  my @dfi = `/bin/df -i -l -P $df_path`;
+  shift @dfi;
+
+  foreach my $line (@dfi)
+  {
+    my @fields = split('\s+', $line);
+    my $inode_total = $fields[1];
+    my $inode_used = $fields[2];
+    my $inode_avail = $fields[3];
+    my $fsystem = $fields[0];
+    my $mount = $fields[5];
+    
+    if ($report_inode_util) {
+      my $inode_util = 0;
+      $inode_util = 100 * $inode_used / $inode_total if ($inode_total > 0);
+      add_metric('DiskInodeUtilization', 'Percent', $inode_util, $fsystem, $mount);
+    }
+    if ($report_inode_used) {
+      add_metric('DiskInodeUsed', 'Count', $inode_used, $fsystem, $mount);
+    }
+    if ($report_inode_avail) {
+      add_metric('DiskInodeAvailable', 'Count', $inode_avail, $fsystem, $mount);
+    }
+  }
 }
 
 # send metrics over to CloudWatch if any