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smeserver-zabbix-agent
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Add scripts to monitor PHPki certificates

This commit is contained in:
Daniel Berteaud 2014-02-19 09:27:07 +01:00
parent bf3f46a436
commit 2928b5fdbe
4 changed files with 107 additions and 1 deletions
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3
createlinks
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@ -6,7 +6,8 @@ use esmith::Build::CreateLinks qw(:all);
foreach my $conf (qw!zabbix_agent.conf zabbix_agentd.conf zabbix_agentd.conf.d/asterisk.conf
zabbix_agentd.conf.d/deprecated_cpunum.conf zabbix_agentd.conf.d/deprecated_memory.conf
zabbix_agentd.conf.d/deprecated_netstat.conf zabbix_agentd.conf.d/deprecated_swap.conf
zabbix_agentd.conf.d/extip.conf zabbix_agentd.conf.d/mail.conf zabbix_agentd.conf.d/mysql.conf!){
zabbix_agentd.conf.d/extip.conf zabbix_agentd.conf.d/mail.conf zabbix_agentd.conf.d/mysql.conf
zabbix_agentd.conf.d/phpki_certs.conf!){
templates2events("/etc/zabbix/$conf", qw(zabbix-agent-update bootstrap-console-save));
}
templates2events("/etc/sudoers", "zabbix-agent-update");

23
root/etc/e-smith/templates/etc/zabbix/zabbix_agentd.conf.d/phpki_certs.conf/10All Normal file
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@ -0,0 +1,23 @@
{
if (-e '/opt/phpki/phpki-store/CA/index.txt'){
$OUT .=<<'EOF';
# Discovery of certificates and their status
# Key: pki.certs.discovery
# Macro:
# - {#CRTCN} : contains the common name
# - {#CRTSERIAL} : the serial number
# - {#CRTSTATUS} : the status, as a string (valid, revoked, expired)
# Available arguments:
# --index : path to the index file
# --path : directory where certificatres are stored, certificates should be named $serial.pem (in PEM format)
UserParameter=pki.certs.discovery,/usr/bin/sudo /var/lib/zabbix/bin/disco_certs_sudo --index=/opt/phpki/phpki-store/CA/index.txt --path=/opt/phpki/phpki-store/CA/newcerts/
UserParameter=pki.certs[*],/usr/bin/sudo /var/lib/zabbix/bin/check_certs_sudo --what=$1 --cert=$2
EOF
}
$OUT .= '';
}

33
root/var/lib/zabbix/bin/check_certs_sudo Normal file
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@ -0,0 +1,33 @@
#!/usr/bin/perl -w
# Check a PEM certificate
# --what: what to monitor. Only expire is supported for now, and returns the number of day before expiration
# --cert: the path to the certificate you want to check
use strict;
use warnings;
use Crypt::OpenSSL::X509;
use Date::Parse;
use Getopt::Long;
my $what = 'expire';
my $cert = '';
GetOptions(
"cert=s" => \$cert,
"what=s" => \$what
);
die "Usage: $0 --what=status --cert=/path/to/pem/certificate\n" unless
(-f $cert);
$cert = Crypt::OpenSSL::X509->new_from_file( "$cert" );
my $expire_in = int ((str2time($cert->notAfter())-time())/(3600*24));
if ($what eq 'expire'){
print $expire_in;
}
else{
die "Only expire is supported for now";
}

49
root/var/lib/zabbix/bin/disco_certs_sudo Normal file
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@ -0,0 +1,49 @@
#!/usr/bin/perl -w
use strict;
use warnings;
use Crypt::OpenSSL::X509;
use Date::Parse;
use Getopt::Long;
use JSON;
my $index = '/opt/phpki/phpki-store/CA/index.txt';
my $path = '/opt/phpki/phpki-store/CA/newcerts';
GetOptions(
"index=s" => \$index,
"path=s" => \$path
);
open INDEX, "$index" or die "Couldn't open $index\n";
my $json;
foreach my $l (<INDEX>){
next unless $l =~ m/^([VR])\t\d+Z\t(\d+Z)?\t(\w+)\tunknown\t.*/;
my $status = $1;
my $serial = $3;
my $cert = Crypt::OpenSSL::X509->new_from_file( "$path/$serial.pem" );
my $expire_in = int ((str2time($cert->notAfter())-time())/(3600*24));
if ($status eq 'V'){
$status = 'valid';
}
elsif ($expire_in lt 0){
$status = 'expired';
}
else{
$status = 'revoked';
}
my $subject = $cert->subject;
$subject =~ m/.*\sCN=(.*),/;
my $cn = $1;
push @{$json->{data}}, {
"{#CRTCN}" => $cn,
"{#CRTSERIAL}" => $serial,
"{#CRTSTATUS}" => $status,
};
}
close INDEX;
print to_json($json);