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diff --git a/manifests/certmonger/mongodb.pp b/manifests/certmonger/mongodb.pp
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+# Copyright 2017 Red Hat, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# == Class: tripleo::certmonger::mongodb
+#
+# Request a certificate for MongoDB and do the necessary setup.
+#
+# === Parameters
+#
+# [*hostname*]
+#   The hostname of the node. this will be set in the CN of the certificate.
+#
+# [*service_certificate*]
+#   The path to the certificate that will be used for TLS in this service.
+#
+# [*service_key*]
+#   The path to the key that will be used for TLS in this service.
+#
+# [*service_pem*]
+#   The file in PEM format that the HAProxy service will use as a certificate.
+#
+# [*certmonger_ca*]
+#   (Optional) The CA that certmonger will use to generate the certificates.
+#   Defaults to hiera('certmonger_ca', 'local').
+#
+# [*principal*]
+#   (Optional) The service principal that is set for the service in kerberos.
+#   Defaults to undef
+#
+class tripleo::certmonger::mongodb (
+  $hostname,
+  $service_certificate,
+  $service_key,
+  $service_pem,
+  $certmonger_ca = hiera('certmonger_ca', 'local'),
+  $principal     = undef,
+) {
+  include ::certmonger
+  include ::mongodb::params
+
+  $postsave_cmd  = "systemctl restart ${::mongodb::params::service_name}"
+  certmonger_certificate { 'mongodb' :
+    ensure       => 'present',
+    certfile     => $service_certificate,
+    keyfile      => $service_key,
+    hostname     => $hostname,
+    dnsname      => $hostname,
+    principal    => $principal,
+    postsave_cmd => $postsave_cmd,
+    ca           => $certmonger_ca,
+    wait         => true,
+    require      => Class['::certmonger'],
+  }
+
+  concat { $service_pem :
+    ensure => present,
+    mode   => '0640',
+    owner  => $::mongodb::params::user,
+    group  => $::mongodb::params::group,
+  }
+  concat::fragment { 'mongodb-key-fragment':
+    target  => $service_pem,
+    source  => $service_key,
+    order   => '01',
+    require => Certmonger_certificate['mongodb'],
+  }
+  concat::fragment { 'mongodb-cert-fragment':
+    target  => $service_pem,
+    source  => $service_certificate,
+    order   => '10',
+    require => Certmonger_certificate['mongodb'],
+  }
+
+  Concat::Fragment['mongodb-key-fragment'] ~> Service<| title == $::mongodb::params::service_name |>
+  Concat::Fragment['mongodb-cert-fragment'] ~> Service<| title == $::mongodb::params::service_name |>
+}