summaryrefslogtreecommitdiffstats
path: root/plugins/t/check_disk.t
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--plugins/t/check_disk.t378
1 files changed, 378 insertions, 0 deletions
diff --git a/plugins/t/check_disk.t b/plugins/t/check_disk.t
new file mode 100644
index 0000000..ca035ce
--- /dev/null
+++ b/plugins/t/check_disk.t
@@ -0,0 +1,378 @@
+#! /usr/bin/perl -w -I ..
+#
+# Disk Space Tests via check_disk
+#
+#
+
+# TODO: Add in tests for perf data. Need to beef up Monitoring::Plugin::Performance to cater for max, min, etc
+
+use strict;
+use Test::More;
+use NPTest;
+use POSIX qw(ceil floor);
+
+my $successOutput = '/^DISK OK/';
+my $failureOutput = '/^DISK CRITICAL/';
+my $warningOutput = '/^DISK WARNING/';
+
+my $result;
+
+my $mountpoint_valid = getTestParameter( "NP_MOUNTPOINT_VALID", "Path to valid mountpoint", "/");
+my $mountpoint2_valid = getTestParameter( "NP_MOUNTPOINT2_VALID", "Path to another valid mountpoint. Must be different from 1st one", "/var");
+
+if ($mountpoint_valid eq "" or $mountpoint2_valid eq "") {
+ plan skip_all => "Need 2 mountpoints to test";
+} else {
+ plan tests => 88;
+}
+
+$result = NPTest->testCmd(
+ "./check_disk -w 1% -c 1% -p $mountpoint_valid -w 1% -c 1% -p $mountpoint2_valid"
+ );
+cmp_ok( $result->return_code, "==", 0, "Checking two mountpoints (must have at least 1% free in space and inodes)");
+my $c = 0;
+$_ = $result->output;
+$c++ while /\(/g; # counts number of "(" - should be two
+cmp_ok( $c, '==', 2, "Got two mountpoints in output");
+
+
+# Get perf data
+# Should use Monitoring::Plugin
+my @perf_data = sort(split(/ /, $result->perf_output));
+
+
+# Calculate avg_free free on mountpoint1 and mountpoint2
+# because if you check in the middle, you should get different errors
+$_ = $result->output;
+my ($free_on_mp1, $free_on_mp2) = (m/\((\d+)%.*\((\d+)%/);
+die "Cannot parse output: $_" unless ($free_on_mp1 && $free_on_mp2);
+my $avg_free = ceil(($free_on_mp1+$free_on_mp2)/2);
+my ($more_free, $less_free);
+if ($free_on_mp1 > $free_on_mp2) {
+ $more_free = $mountpoint_valid;
+ $less_free = $mountpoint2_valid;
+} elsif ($free_on_mp1 < $free_on_mp2) {
+ $more_free = $mountpoint2_valid;
+ $less_free = $mountpoint_valid;
+} else {
+ die "Two mountpoints are the same - cannot do rest of test";
+}
+if($free_on_mp1 == $avg_free || $free_on_mp2 == $avg_free) {
+ die "One mountpoints has average space free - cannot do rest of test";
+}
+
+
+# Do same for inodes
+$_ = $result->output;
+my ($free_inode_on_mp1, $free_inode_on_mp2) = (m/inode=(\d+)%.*inode=(\d+)%/);
+die "Cannot parse free inodes: $_" unless ($free_inode_on_mp1 && $free_inode_on_mp2);
+my $avg_inode_free = ceil(($free_inode_on_mp1 + $free_inode_on_mp2)/2);
+my ($more_inode_free, $less_inode_free);
+if ($free_inode_on_mp1 > $free_inode_on_mp2) {
+ $more_inode_free = $mountpoint_valid;
+ $less_inode_free = $mountpoint2_valid;
+} elsif ($free_inode_on_mp1 < $free_inode_on_mp2) {
+ $more_inode_free = $mountpoint2_valid;
+ $less_inode_free = $mountpoint_valid;
+} else {
+ die "Two mountpoints with same inodes free - cannot do rest of test";
+}
+if($free_inode_on_mp1 == $avg_inode_free || $free_inode_on_mp2 == $avg_inode_free) {
+ die "One mountpoints has average inodes free - cannot do rest of test";
+}
+
+# Verify performance data
+# First check absolute thresholds...
+$result = NPTest->testCmd(
+ "./check_disk -w 20 -c 10 -p $mountpoint_valid"
+ );
+$_ = $result->perf_output;
+my ($warn_absth_data, $crit_absth_data, $total_absth_data) = (m/=.[^;]*;(\d+);(\d+);\d+;(\d+)/);
+# default unit is MiB, but perfdata is always bytes
+is ($warn_absth_data, $total_absth_data - (20 * (2 ** 20)), "Wrong warning in perf data using absolute thresholds");
+is ($crit_absth_data, $total_absth_data - (10 * (2 ** 20)), "Wrong critical in perf data using absolute thresholds");
+
+# Then check percent thresholds.
+$result = NPTest->testCmd(
+ "./check_disk -w 20% -c 10% -p $mountpoint_valid"
+ );
+$_ = $result->perf_output;
+my ($warn_percth_data, $crit_percth_data, $total_percth_data) = (m/=.[^;]*;(\d+);(\d+);\d+;(\d+)/);
+is ($warn_percth_data, int((1-20/100)*$total_percth_data), "Wrong warning in perf data using percent thresholds");
+is ($crit_percth_data, int((1-10/100)*$total_percth_data), "Wrong critical in perf data using percent thresholds");
+
+
+# Check when order of mount points are reversed, that perf data remains same
+$result = NPTest->testCmd(
+ "./check_disk -w 1% -c 1% -p $mountpoint2_valid -w 1% -c 1% -p $mountpoint_valid"
+ );
+@_ = sort(split(/ /, $result->perf_output));
+is_deeply( \@perf_data, \@_, "perf data for both filesystems same when reversed");
+
+
+# Basic filesystem checks for sizes
+$result = NPTest->testCmd( "./check_disk -w 1 -c 1 -p $more_free" );
+cmp_ok( $result->return_code, '==', 0, "At least 1 MB available on $more_free");
+like ( $result->output, $successOutput, "OK output" );
+like ( $result->only_output, qr/free space/, "Have free space text");
+like ( $result->only_output, qr/$more_free/, "Have disk name in text");
+
+$result = NPTest->testCmd( "./check_disk -w 1 -c 1 -p $more_free -p $less_free" );
+cmp_ok( $result->return_code, '==', 0, "At least 1 MB available on $more_free and $less_free");
+$_ = $result->output;
+my ($free_mb_on_mp1, $free_mb_on_mp2) = (m/(\d+)MiB .* (\d+)MiB /g);
+my $free_mb_on_all = $free_mb_on_mp1 + $free_mb_on_mp2;
+
+
+
+$result = NPTest->testCmd( "./check_disk -e -w 1 -c 1 -p $more_free" );
+is( $result->only_output, "DISK OK", "No print out of disks with -e for OKs");
+
+$result = NPTest->testCmd( "./check_disk 100 100 $more_free" );
+cmp_ok( $result->return_code, '==', 0, "Old syntax okay" );
+
+$result = NPTest->testCmd( "./check_disk -w 1% -c 1% -p $more_free" );
+cmp_ok( $result->return_code, "==", 0, "At least 1% free" );
+
+$result = NPTest->testCmd(
+ "./check_disk -w 1% -c 1% -p $more_free -w 100% -c 100% -p $less_free"
+ );
+cmp_ok( $result->return_code, "==", 2, "Get critical on less_free mountpoint $less_free" );
+like( $result->output, $failureOutput, "Right output" );
+
+
+$result = NPTest->testCmd(
+ "./check_disk -w $avg_free% -c 0% -p $less_free"
+ );
+cmp_ok( $result->return_code, '==', 1, "Get warning on less_free mountpoint, when checking avg_free");
+
+$result = NPTest->testCmd(
+ "./check_disk -w $avg_free% -c $avg_free% -p $more_free"
+ );
+cmp_ok( $result->return_code, '==', 0, "Get ok on more_free mountpoint, when checking avg_free");
+
+$result = NPTest->testCmd(
+ "./check_disk -w $avg_free% -c 0% -p $less_free -w $avg_free% -c $avg_free% -p $more_free"
+ );
+cmp_ok( $result->return_code, "==", 1, "Combining above two tests, get warning");
+my $all_disks = $result->output;
+
+$result = NPTest->testCmd(
+ "./check_disk -e -w $avg_free% -c 0% -p $less_free -w $avg_free% -c $avg_free% -p $more_free"
+ );
+isnt( $result->output, $all_disks, "-e gives different output");
+
+# Need spaces around filesystem name in case less_free and more_free are nested
+like( $result->output, qr/ $less_free /, "Found problem $less_free");
+unlike( $result->only_output, qr/ $more_free /, "Has ignored $more_free as not a problem");
+like( $result->perf_output, qr/ $more_free=/, "But $more_free is still in perf data");
+
+$result = NPTest->testCmd(
+ "./check_disk -w $avg_free% -c 0% -p $more_free"
+ );
+cmp_ok( $result->return_code, '==', 0, "Get ok on more_free mountpoint, checking avg_free");
+
+$result = NPTest->testCmd(
+ "./check_disk -w $avg_free% -c $avg_free% -p $less_free"
+ );
+cmp_ok( $result->return_code, '==', 2, "Get critical on less_free, checking avg_free");
+$result = NPTest->testCmd(
+ "./check_disk -w $avg_free% -c 0% -p $more_free -w $avg_free% -c $avg_free% -p $less_free"
+ );
+cmp_ok( $result->return_code, '==', 2, "Combining above two tests, get critical");
+
+$result = NPTest->testCmd(
+ "./check_disk -w $avg_free% -c $avg_free% -p $less_free -w $avg_free% -c 0% -p $more_free"
+ );
+cmp_ok( $result->return_code, '==', 2, "And reversing arguments should not make a difference");
+
+
+
+# Basic inode checks for sizes
+
+$result = NPTest->testCmd( "./check_disk --icritical 1% --iwarning 1% -p $more_inode_free" );
+is( $result->return_code, 0, "At least 1% free on inodes for both mountpoints");
+
+$result = NPTest->testCmd( "./check_disk -K 100% -W 100% -p $less_inode_free" );
+is( $result->return_code, 2, "Critical requesting 100% free inodes for both mountpoints");
+
+$result = NPTest->testCmd( "./check_disk --iwarning 1% --icritical 1% -p $more_inode_free -K 100% -W 100% -p $less_inode_free" );
+is( $result->return_code, 2, "Get critical on less_inode_free mountpoint $less_inode_free");
+
+$result = NPTest->testCmd( "./check_disk -W $avg_inode_free% -K 0% -p $less_inode_free" );
+is( $result->return_code, 1, "Get warning on less_inode_free, when checking average");
+
+$result = NPTest->testCmd( "./check_disk -W $avg_inode_free% -K $avg_inode_free% -p $more_inode_free ");
+is( $result->return_code, 0, "Get ok on more_inode_free when checking average");
+
+$result = NPTest->testCmd( "./check_disk -W $avg_inode_free% -K 0% -p $less_inode_free -W $avg_inode_free% -K $avg_inode_free% -p $more_inode_free" );
+is ($result->return_code, 1, "Combine above two tests, get warning");
+$all_disks = $result->output;
+
+$result = NPTest->testCmd( "./check_disk -e -W $avg_inode_free% -K 0% -p $less_inode_free -W $avg_inode_free% -K $avg_inode_free% -p $more_inode_free" );
+isnt( $result->output, $all_disks, "-e gives different output");
+like( $result->output, qr/$less_inode_free/, "Found problem $less_inode_free");
+unlike( $result->only_output, qr/$more_inode_free\s/, "Has ignored $more_inode_free as not a problem");
+like( $result->perf_output, qr/$more_inode_free/, "But $more_inode_free is still in perf data");
+
+$result = NPTest->testCmd( "./check_disk -W $avg_inode_free% -K 0% -p $more_inode_free" );
+is( $result->return_code, 0, "Get ok on more_inode_free mountpoint, checking average");
+
+$result = NPTest->testCmd( "./check_disk -W $avg_inode_free% -K $avg_inode_free% -p $less_inode_free" );
+is( $result->return_code, 2, "Get critical on less_inode_free, checking average");
+
+$result = NPTest->testCmd( "./check_disk -W $avg_inode_free% -K 0% -p $more_inode_free -W $avg_inode_free% -K $avg_inode_free% -p $less_inode_free" );
+is( $result->return_code, 2, "Combining above two tests, get critical");
+
+$result = NPTest->testCmd( "./check_disk -W $avg_inode_free% -K $avg_inode_free% -p $less_inode_free -W $avg_inode_free% -K 0% -p $more_inode_free" );
+cmp_ok( $result->return_code, '==', 2, "And reversing arguments should not make a difference");
+
+
+
+
+
+
+TODO: {
+ local $TODO = "Invalid percent figures";
+ $result = NPTest->testCmd(
+ "./check_disk -w 10% -c 15% -p $mountpoint_valid"
+ );
+ cmp_ok( $result->return_code, '==', 3, "Invalid command line options" );
+}
+
+$result = NPTest->testCmd(
+ "./check_disk -p $mountpoint_valid -w 10% -c 15%"
+ );
+cmp_ok( $result->return_code, "==", 3, "Invalid options: -p must come after thresholds" );
+
+$result = NPTest->testCmd( "./check_disk -w 100% -c 100% ".${mountpoint_valid} ); # 100% empty
+cmp_ok( $result->return_code, "==", 2, "100% empty" );
+like( $result->output, $failureOutput, "Right output" );
+
+$result = NPTest->testCmd( "./check_disk -w 100000000 -c 100000000 $mountpoint_valid" );
+cmp_ok( $result->return_code, '==', 2, "Check for 100TB free" );
+
+$result = NPTest->testCmd( "./check_disk -w 100 -c 100 -u TB ".${mountpoint_valid} ); # 100 TB empty
+cmp_ok( $result->return_code, "==", 2, "100 TB empty" );
+
+
+# Checking old syntax of check_disk warn crit [fs], with warn/crit at USED% thresholds
+$result = NPTest->testCmd( "./check_disk 0 0 ".${mountpoint_valid} );
+cmp_ok( $result->return_code, "==", 2, "Old syntax: 0% used");
+like ( $result->only_output, qr(^[^;]*;[^;]*$), "Select only one path with positional arguments");
+
+$result = NPTest->testCmd( "./check_disk 100 100 $mountpoint_valid" );
+cmp_ok( $result->return_code, '==', 0, "Old syntax: 100% used" );
+
+$result = NPTest->testCmd( "./check_disk 0 100 $mountpoint_valid" );
+cmp_ok( $result->return_code, '==', 1, "Old syntax: warn 0% used" );
+
+TODO: {
+ local $TODO = "Invalid values";
+ $result = NPTest->testCmd( "./check_disk 0 200 $mountpoint_valid" );
+ cmp_ok( $result->return_code, '==', 3, "Old syntax: Error with values outside percent range" );
+
+ $result = NPTest->testCmd( "./check_disk 200 200 $mountpoint_valid" );
+ cmp_ok( $result->return_code, '==', 3, "Old syntax: Error with values outside percent range" );
+
+ $result = NPTest->testCmd( "./check_disk 200 0 $mountpoint_valid" );
+ cmp_ok( $result->return_code, '==', 3, "Old syntax: Error with values outside percent range" );
+}
+
+$result = NPTest->testCmd( "./check_disk -w 0% -c 0% -p /bob" );
+cmp_ok( $result->return_code, '==', 2, "Checking /bob - return error because /bob does not exist" );
+like( $result->output, '/^DISK CRITICAL - /bob is not accessible:.*$/', 'Output OK');
+
+$result = NPTest->testCmd( "./check_disk -w 0% -c 0% -p /" );
+my $root_output = $result->output;
+
+$result = NPTest->testCmd( "./check_disk -w 0% -c 0% -p /etc" );
+cmp_ok( $result->return_code, '==', 0, "Checking /etc - should return info for /" );
+cmp_ok( $result->output, 'eq', $root_output, "check_disk /etc gives same as check_disk /");
+
+$result = NPTest->testCmd( "./check_disk -w 0% -c 0% -E -p /etc " );
+cmp_ok( $result->return_code, '==', 2, "... unless -E/--exact-match is specified");
+
+$result = NPTest->testCmd( "./check_disk -w 0% -c 0% -p /etc -E " );
+cmp_ok( $result->return_code, '==', 3, "-E/--exact-match must be specified before -p");
+
+$result = NPTest->testCmd( "./check_disk -w 0% -c 0% -r /etc -E " );
+cmp_ok( $result->return_code, '==', 3, "-E/--exact-match must be specified before -r");
+
+$result = NPTest->testCmd( "./check_disk -w 0% -c 0% -p / -p /bob" );
+cmp_ok( $result->return_code, '==', 2, "Checking / and /bob gives critical");
+unlike( $result->perf_output, '/\/bob/', "perf data does not have /bob in it");
+
+$result = NPTest->testCmd( "./check_disk -w 0% -c 0% -p / -p /" );
+unlike( $result->output, '/ \/ .* \/ /', "Should not show same filesystem twice");
+
+# are partitions added if -C is given without path selection -p ?
+$result = NPTest->testCmd( "./check_disk -w 0% -c 0% -C -w 0% -c 0% -p $mountpoint_valid" );
+like( $result->output, '/;.*;\|/', "-C selects partitions if -p is not given");
+
+# grouping: exit crit if the sum of free megs on mp1+mp2 is less than warn/crit
+$result = NPTest->testCmd( "./check_disk -w ". ($free_mb_on_all + 1) ." -c ". ($free_mb_on_all + 1) ."-g group -p $mountpoint_valid -p $mountpoint2_valid" );
+cmp_ok( $result->return_code, '==', 2, "grouping: exit crit if the sum of free megs on mp1+mp2 is less than warn/crit");
+
+# grouping: exit warning if the sum of free megs on mp1+mp2 is between -w and -c
+$result = NPTest->testCmd( "./check_disk -w ". ($free_mb_on_all + 1) ." -c ". ($free_mb_on_all - 1) ." -g group -p $mountpoint_valid -p $mountpoint2_valid" );
+cmp_ok( $result->return_code, '==', 1, "grouping: exit warning if the sum of free megs on mp1+mp2 is between -w and -c ");
+
+# grouping: exit ok if the sum of free megs on mp1+mp2 is more than warn/crit
+$result = NPTest->testCmd( "./check_disk -w ". ($free_mb_on_all - 1) ." -c ". ($free_mb_on_all - 1) ." -g group -p $mountpoint_valid -p $mountpoint2_valid" );
+cmp_ok( $result->return_code, '==', 0, "grouping: exit ok if the sum of free megs on mp1+mp2 is more than warn/crit");
+
+# grouping: exit unknown if group name is given after -p
+$result = NPTest->testCmd( "./check_disk -w ". ($free_mb_on_all - 1) ." -c ". ($free_mb_on_all - 1) ." -p $mountpoint_valid -g group -p $mountpoint2_valid" );
+cmp_ok( $result->return_code, '==', 3, "Invalid options: -p must come after groupname");
+
+# regex: exit unknown if given regex is not compilable
+$result = NPTest->testCmd( "./check_disk -w 1 -c 1 -r '('" );
+cmp_ok( $result->return_code, '==', 3, "Exit UNKNOWN if regex is not compilable");
+
+# ignore: exit unknown, if all paths are deselected using -i
+$result = NPTest->testCmd( "./check_disk -w 0% -c 0% -p $mountpoint_valid -p $mountpoint2_valid -i '$mountpoint_valid' -i '$mountpoint2_valid'" );
+cmp_ok( $result->return_code, '==', 3, "ignore-ereg: Unknown if all fs are ignored (case sensitive)");
+
+# ignore: exit unknown, if all paths are deselected using -I
+$result = NPTest->testCmd( "./check_disk -w 0% -c 0% -p $mountpoint_valid -p $mountpoint2_valid -I '".uc($mountpoint_valid)."' -I '".uc($mountpoint2_valid)."'" );
+cmp_ok( $result->return_code, '==', 3, "ignore-ereg: Unknown if all fs are ignored (case insensitive)");
+
+# ignore: exit unknown, if all paths are deselected using -i
+$result = NPTest->testCmd( "./check_disk -w 0% -c 0% -p $mountpoint_valid -p $mountpoint2_valid -i '.*'" );
+cmp_ok( $result->return_code, '==', 3, "ignore-ereg: Unknown if all fs are ignored using -i '.*'");
+
+# ignore: test if ignored path is actually ignored
+$result = NPTest->testCmd( "./check_disk -w 0% -c 0% -p $mountpoint_valid -p $mountpoint2_valid -i '^$mountpoint2_valid\$'");
+like( $result->output, qr/$mountpoint_valid/, "output data does have $mountpoint_valid in it");
+unlike( $result->output, qr/$mountpoint2_valid/, "output data does not have $mountpoint2_valid in it");
+
+# ignore: test if all paths are listed when ignore regex doesn't match
+$result = NPTest->testCmd( "./check_disk -w 0% -c 0% -p $mountpoint_valid -p $mountpoint2_valid -i '^barbazJodsf\$'");
+like( $result->output, qr/$mountpoint_valid/, "ignore: output data does have $mountpoint_valid when regex doesn't match");
+like( $result->output, qr/$mountpoint2_valid/,"ignore: output data does have $mountpoint2_valid when regex doesn't match");
+
+# ignore-missing: exit okay, when fs is not accessible
+$result = NPTest->testCmd( "./check_disk --ignore-missing -w 0% -c 0% -p /bob");
+cmp_ok( $result->return_code, '==', 0, "ignore-missing: return okay for not existing filesystem /bob");
+like( $result->output, '/^DISK OK - No disks were found for provided parameters; - ignored paths: /bob;.*$/', 'Output OK');
+
+# ignore-missing: exit okay, when regex does not match
+$result = NPTest->testCmd( "./check_disk --ignore-missing -w 0% -c 0% -r /bob");
+cmp_ok( $result->return_code, '==', 0, "ignore-missing: return okay for regular expression not matching");
+like( $result->output, '/^DISK OK - No disks were found for provided parameters;.*$/', 'Output OK');
+
+# ignore-missing: exit okay, when fs with exact match (-E) is not found
+$result = NPTest->testCmd( "./check_disk --ignore-missing -w 0% -c 0% -E -p /etc");
+cmp_ok( $result->return_code, '==', 0, "ignore-missing: return okay when exact match does not find fs");
+like( $result->output, '/^DISK OK - No disks were found for provided parameters; - ignored paths: /etc;.*$/', 'Output OK');
+
+# ignore-missing: exit okay, when checking one existing fs and one non-existing fs (regex)
+$result = NPTest->testCmd( "./check_disk --ignore-missing -w 0% -c 0% -r '/bob' -r '^/\$'");
+cmp_ok( $result->return_code, '==', 0, "ignore-missing: return okay for regular expression not matching");
+like( $result->output, '/^DISK OK - free space: \/ .*$/', 'Output OK');
+
+# ignore-missing: exit okay, when checking one existing fs and one non-existing fs (path)
+$result = NPTest->testCmd( "./check_disk --ignore-missing -w 0% -c 0% -p '/bob' -p '/'");
+cmp_ok( $result->return_code, '==', 0, "ignore-missing: return okay for regular expression not matching");
+like( $result->output, '/^DISK OK - free space: / .*; - ignored paths: /bob;.*$/', 'Output OK'); \ No newline at end of file