introduce gpg checks

3 files changed, 91 insertions, 3 deletions

diff --git a/manifests/init.pp b/manifests/init.pp
index 7b747d9..e80525e 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -22,6 +22,7 @@ class nagios(
   $manage_munin       = false,
   $service_atboot     = true,
   $purge_resources    = true,
+  $gpgkey_checks      = {},
 ) {
   case $nagios::httpd {
     'absent': { }
@@ -32,15 +33,16 @@ class nagios(
   case $::operatingsystem {
     'centos': {
       $cfgdir = '/etc/nagios'
-      include nagios::centos
+      include ::nagios::centos
     }
     'debian': {
       $cfgdir = '/etc/nagios3'
-      include nagios::debian
+      include ::nagios::debian
     }
     default: { fail("No such operatingsystem: ${::operatingsystem} yet defined") }
   }
   if $manage_munin {
-    include nagios::munin
+    include ::nagios::munin
   }
+  create_resources('nagios::service::gpgkey',$gpgkey_checks)
 }
diff --git a/manifests/plugins/gpg.pp b/manifests/plugins/gpg.pp
new file mode 100644
index 0000000..d8c1d40
--- /dev/null
+++ b/manifests/plugins/gpg.pp
@@ -0,0 +1,43 @@
+# check_gpg from
+# https://github.com/lelutin/nagios-plugins/blob/master/check_gpg
+class nagios::plugins::gpg {
+  require ::gnupg
+  nagios::plugin{'check_gpg':
+    source => 'nagios/plugins/check_gpg',
+  }
+
+  $gpg_home = '/var/local/nagios_gpg_homedir'
+  file{
+    $gpg_home:
+      ensure  => 'directory',
+      owner   => nagios,
+      group   => nagios,
+      mode    => '0600',
+      require => Nagios::Plugin['check_gpg'];
+    '/etc/cron.daily/update_nagios_gpgkeys':
+      content => "!#/bin/bash
+function exec() {
+  cmd=\$1
+  outout=\$(su - nagios -s /bin/bash -c 'gpg --homedir ${gpg_home} --logger-fd 1 \${cmd}')
+  if [ \$? -gt 0 ]; then
+   echo \$output
+   exit 1
+  fi
+}
+
+gpg('--with-fingerprint --list-keys --with-colons') | grep \"^pub\" -A 1 | tail -n 1 | cut -f10 -d\":\" | sort --random-sort | while read key; do
+  gpg(\"--recv-keys \${key}\")
+done
+",
+      owner   => root,
+      group   => 0,
+      mode    => '0700',
+      require => File[$gpg_home];
+  }
+  nagios_command {
+    'check_gnupg':
+      command_line => "\$USER1\$/check_gpg --gnupg-homedir ${gpg_home} -w \$ARG1\$ \$ARG2\$",
+      require      => Nagios::Plugin['check_gpg'],
+  }
+}
+
diff --git a/manifests/service/gpgkey.pp b/manifests/service/gpgkey.pp
new file mode 100644
index 0000000..0c271f4
--- /dev/null
+++ b/manifests/service/gpgkey.pp
@@ -0,0 +1,43 @@
+# define a gpgkey to be watched
+define nagios::service::gpgkey(
+  $ensure   = 'present',
+  $warning  = '14',
+  $key_info = undef,
+){
+  validate_slength($name,40,40)
+  require ::nagios::plugins::gpg
+  $gpg_home = $nagios::plugins::gpg::gpg_home
+
+  exec{"manage_key_${name}": }
+  nagios::service{
+    "check_gpg_${name}":
+      ensure => $ensure;
+  }
+
+  if $ensure == 'present' {
+    Exec["manage_key_${name}"]{
+      command => "gpg --homedir ${gpg_home} --recv-keys ${name}",
+      unless  => "gpg --homedir ${gpg_home} --list-keys ${name}",
+      before  => Nagios::Service["check_gpg_${name}"],
+    }
+
+    Nagios::Service["check_gpg_${name}"]{
+      check_command => "check_gpg!${warning}!${name}",
+    }
+    if $key_info {
+      Nagios::Service["check_gpg_${name}"]{
+        service_description => "Keyfingerprint: ${name} - Info: ${key_info}",
+      }
+    } else {
+      Nagios::Service["check_gpg_${name}"]{
+        service_description => "Keyfingerprint: ${name}",
+      }
+    }
+  } else {
+    Exec["manage_key_${name}"]{
+      command => "gpg --batch --homedir ${gpg_home} --delete-key ${name}",
+      onlyif  => "gpg --homedir ${gpg_home} --list-keys ${name}",
+      require => Nagios::Service["check_gpg_${name}"],
+    }
+  }
+}