Merge pull request #81 from seekingalpha/master

systemd + puppet 4 fixes

.fixtures.yml

@@ -3,7 +3,7 @@ fixtures:
     stdlib: "git://github.com/puppetlabs/puppetlabs-stdlib.git"
     apt: "git://github.com/puppetlabs/puppetlabs-apt.git"
     logrotate:
-      repo: "git://github.com/rodjek/puppet-logrotate.git"
-      ref: "1.1.1"
+      repo: "git://github.com/yo61/puppet-logrotate.git"
+      ref: "1.4.0"
   symlinks:
     mongodb: "#{source_dir}"

.gitignore

@@ -1,3 +1,4 @@
+Gemfile.lock
 *.gem
 *.rbc
 *.swp
@@ -23,6 +24,7 @@ build/
 
 ## Environment normalisation:
 /.bundle/
+/vendor
 /lib/bundler/man/
 
 # for a library or gem, you might want to ignore these files since the code is

README.md

@@ -376,7 +376,7 @@ Array. Each field is "key" or "key=value" for parameters for config file
 ###Modules needed:
 
 * puppetlabs-stdlib
-* rodjek-logrotate
+* yo61-logrotate
 * puppetlabs-apt ( only for Debian/Ubuntu )
 
 ###Software versions needed:

manifests/init.pp

@@ -1,6 +1,7 @@
 # == Class: mongodb
 #
 class mongodb (
+  $systemd_os               = $mongodb::params::systemd_os,
   $dbdir                    = $mongodb::params::dbdir,
   $pidfilepath              = $mongodb::params::pidfilepath,
   $logdir                   = $mongodb::params::logdir,
@@ -33,28 +34,27 @@
     before  => Anchor['mongodb::end'],
   }
 
-  # stop and disable default mongod
+  # remove not wanted startup script, because it would kill all mongod
+  # instances and not only the default mongod
+
+  file { "/etc/init.d/${::mongodb::old_servicename}":
+    ensure  => file,
+    content => template("${module_name}/init.d/replacement_mongod.conf.erb"),
+    mode    => '0755',
+    before  => Anchor['mongodb::end'],
+  }
 
+  # stop and disable default mongod
   service { $::mongodb::old_servicename:
     ensure     => stopped,
     enable     => false,
     hasstatus  => true,
     hasrestart => true,
     subscribe  => Package['mongodb-package'],
+    require    => File["/etc/init.d/${::mongodb::old_servicename}"],
     before     => Anchor['mongodb::end'],
   }
 
-  # remove not wanted startup script, because it would kill all mongod
-  # instances and not only the default mongod
-
-  file { "/etc/init.d/${::mongodb::old_servicename}":
-    ensure  => file,
-    content => template("${module_name}/replacement_mongod-init.conf.erb"),
-    require => Service[$::mongodb::old_servicename],
-    mode    => '0755',
-    before  => Anchor['mongodb::end'],
-  }
-
   mongodb::limits::conf {
     'mongod-nofile-soft':
       type  => soft,
@@ -79,5 +79,5 @@
 
   # ordering resources application
 
-  Mongod<| |> -> Mongos<| |>
+  Mongodb::Mongod<| |> -> Mongodb::Mongos<| |>
 }

manifests/mongod.pp

@@ -18,7 +18,7 @@
   $mongod_deactivate_transparent_hugepage = false,
 ) {
 
-# lint:ignore:selector_inside_resource  would not add much to readability
+  $db_specific_dir = "${::mongodb::params::dbdir}/mongod_${mongod_instance}"
 
   file {
     "/etc/mongod_${mongod_instance}.conf":
@@ -27,17 +27,40 @@
       # no auto restart of a db because of a config change
       # notify => Class['mongodb::service'],
       require => Class['mongodb::install'];
+  }
 
-    "/etc/init.d/mongod_${mongod_instance}":
-      content => $::osfamily ? {
-        debian => template('mongodb/debian_mongod-init.conf.erb'),
-        redhat => template('mongodb/redhat_mongod-init.conf.erb'),
-      },
-      mode    => '0755',
+  file {
+    $db_specific_dir:
+      ensure  => directory,
+      owner   => $::mongodb::params::run_as_user,
+      group   => $::mongodb::params::run_as_group,
       require => Class['mongodb::install'],
   }
 
-# lint:endignore
+  if $mongodb::params::systemd_os {
+    $service_provider = 'systemd'
+    file {
+      "/etc/init.d/mongod_${mongod_instance}":
+        ensure => absent,
+    }
+    file { "mongod_${mongod_instance}_service":
+      path    => "/lib/systemd/system/mongod_${mongod_instance}.service",
+      content => template('mongodb/systemd/mongod.service.erb'),
+      mode    => '0644',
+      require => [
+        Class['mongodb::install'],
+        File["/etc/init.d/mongod_${mongod_instance}"]
+      ]
+    }
+  } else {
+    $service_provider = 'init'
+    file { "mongod_${mongod_instance}_service":
+        path    => "/etc/init.d/mongod_${mongod_instance}",
+        content => template("mongodb/init.d/${::osfamily}_mongod.conf.erb"),
+        mode    => '0755',
+        require => Class['mongodb::install'],
+    }
+  }
 
   if ($mongod_monit != false) {
     # notify { "mongod_monit is : ${mongod_monit}": }
@@ -64,11 +87,13 @@
     enable     => $mongod_enable,
     hasstatus  => true,
     hasrestart => true,
+    provider   => $service_provider,
     require    => [
       File[
         "/etc/mongod_${mongod_instance}.conf",
-        "/etc/init.d/mongod_${mongod_instance}"],
-      Service[$::mongodb::old_servicename]],
+        "mongod_${mongod_instance}_service",
+        $db_specific_dir],
+      Service[$::mongodb::params::old_servicename]],
     before     => Anchor['mongodb::end']
   }
 

manifests/mongos.pp

@@ -13,12 +13,7 @@
   $mongos_add_options    = []
 ) {
 
-# lint:ignore:selector_inside_resource  would not add much to readability
-
-  $init_template = $::osfamily ? {
-    debian => template('mongodb/debian_mongos-init.conf.erb'),
-    redhat => template('mongodb/redhat_mongos-init.conf.erb'),
-  }
+  $db_specific_dir = "${::mongodb::params::dbdir}/mongos_${mongos_instance}"
 
   file {
     "/etc/mongos_${mongos_instance}.conf":
@@ -27,11 +22,35 @@
       # no auto restart of a db because of a config change
       # notify => Class['mongodb::service'],
       require => Class['mongodb::install'];
+    $db_specific_dir:
+      ensure => directory,
+      owner  => $::mongodb::params::run_as_user,
+      group  => $::mongodb::params::run_as_group;
+  }
 
-    "/etc/init.d/mongos_${mongos_instance}":
-      content => $init_template,
-      mode    => '0755',
-      require => Class['mongodb::install'],
+  if $mongodb::params::systemd_os {
+    $service_provider = 'systemd'
+    file {
+      "/etc/init.d/mongos_${mongos_instance}":
+        ensure => absent,
+    }
+    file { "mongos_${mongos_instance}_service":
+      path    => "/lib/systemd/system/mongos_${mongos_instance}.service",
+      content => template('mongodb/systemd/mongos.service.erb'),
+      mode    => '0644',
+      require => [
+        Class['mongodb::install'],
+        File["/etc/init.d/mongos_${mongos_instance}"]
+      ]
+    }
+  } else {
+    $service_provider = 'init'
+    file { "mongos_${mongos_instance}_service":
+        path    => "/etc/init.d/mongos_${mongos_instance}",
+        content => template("mongodb/init.d/${::osfamily}_mongos.conf.erb"),
+        mode    => '0755',
+        require => Class['mongodb::install'],
+    }
   }
 
   # wait for servers starting
@@ -47,7 +66,7 @@
     file { "/etc/mongos_${mongos_instance}.key":
       content => template('mongodb/mongos.key.erb'),
       mode    => '0700',
-      owner   => $::mongodb::run_as_user,
+      owner   => $::mongodb::params::run_as_user,
       require => Class['mongodb::install'],
       notify  => Service["mongos_${mongos_instance}"],
     }
@@ -59,10 +78,13 @@
       enable     => $mongos_enable,
       hasstatus  => true,
       hasrestart => true,
+      provider   => $service_provider,
       require    => [
-        File["/etc/mongos_${mongos_instance}.conf"],
-        File["/etc/init.d/mongos_${mongos_instance}"],
-        Service[$::mongodb::old_servicename],
+        File[
+          "/etc/mongos_${mongos_instance}.conf",
+          "mongos_${mongos_instance}_service",
+          $db_specific_dir],
+        Service[$::mongodb::params::old_servicename],
         Start_detector['configservers']],
       before     => Anchor['mongodb::end']
     }

manifests/params.pp

@@ -26,6 +26,18 @@
     }
   }
 
+  case $::osfamily {
+    'Debian': {
+      $systemd_os = versioncmp($::operatingsystemmajrelease, '15.10') > 0
+    }
+    'RedHat': {
+      $systemd_os = versioncmp($::operatingsystemmajrelease, '7') > 0
+    }
+    default: { # deal with lint
+      $systemd_os = false
+    }
+  }
+
     # directorypath to store db directory in
     # subdirectories for each mongo instance will be created
 

metadata.json

@@ -17,10 +17,6 @@
     }
   ],
   "requirements": [
-    {
-      "name": "pe",
-      "version_requirement": "3.x"
-    },
     {
       "name": "puppet",
       "version_requirement": ">=2.7.20 <5.0.0"
@@ -37,6 +33,6 @@
   "dependencies": [
     {"name":"puppetlabs/stdlib","version_requirement":">= 3.2.0"},
     {"name":"puppetlabs/apt","version_requirement":">= 1.1.0"},
-    {"name":"rodjek/logrotate","version_requirement":">= 1.1.1"}
+    {"name":"yo61-logrotate","version_requirement":">= 1.4.0"}
   ]
 }

spec/defines/mongod_spec.rb

@@ -4,24 +4,39 @@
 
   let(:title) { 'testdb' }
 
-  context 'with defaults for all parameters on RedHat' do
-    let(:facts) {{ :osfamily => 'RedHat' }}
-    let :pre_condition do 
+  context 'with defaults for all parameters on pre-systemd RedHat' do
+    let(:facts) {{ :osfamily => 'redhat', :operatingsystemmajrelease => '6' }}
+    let :pre_condition do
       'include ::mongodb::params'
     end    
     it { should contain_mongodb__mongod('testdb') }
     context 'with deactivate_transparent_hugepage set' do
       let(:params) {{ :mongod_deactivate_transparent_hugepage => true }}
-      it { should contain_file("/etc/init.d/mongod_testdb").with_content(/\/sys\/kernel\/mm\/transparent_hugepage\//) }
+      it { should contain_file("mongod_testdb_service").with_path("/etc/init.d/mongod_testdb").with_content(/\/sys\/kernel\/mm\/transparent_hugepage\//) }
+    end
+  end
+
+  context 'with defaults for all parameters on pre-systemd Debian' do
+    let(:facts) {{ :osfamily => 'debian', :lsbdistid => 'ubuntu', :operatingsystemmajrelease => '14.04' }}
+    let :pre_condition do
+      'include ::mongodb::params'
+    end
+    it { should contain_mongodb__mongod('testdb') }
+    context 'with deactivate_transparent_hugepage set' do
+      let(:params) {{ :mongod_deactivate_transparent_hugepage => true }}
+      it { should contain_file("mongod_testdb_service").with_path("/etc/init.d/mongod_testdb").with_content(/\/sys\/kernel\/mm\/transparent_hugepage\//) }
     end
   end
 
   context 'with defaults for all parameters on Debian' do
-    let(:facts) {{ :osfamily => 'Debian', :lsbdistid => 'ubuntu' }}
+    let(:facts) {{ :osfamily => 'debian', :lsbdistid => 'ubuntu', :operatingsystemmajrelease => '16.04' }}
+    let :pre_condition do
+      'include ::mongodb::params'
+    end
     it { should contain_mongodb__mongod('testdb') }
     context 'with deactivate_transparent_hugepage set' do
       let(:params) {{ :mongod_deactivate_transparent_hugepage => true }}
-      it { should contain_file("/etc/init.d/mongod_testdb").with_content(/\/sys\/kernel\/mm\/transparent_hugepage\//) }
+      it { should contain_file("mongod_testdb_service").with_path("/lib/systemd/system/mongod_testdb.service").with_content(/\/sys\/kernel\/mm\/transparent_hugepage\//) }
     end
   end
 

templates/systemd/mongod.service.erb

@@ -0,0 +1,23 @@
+[Unit]
+Description=Mongos_<%= @mongod_instance %> server
+Wants=network.target
+After=network.target
+
+[Service]
+Type=forking
+PIDFile=<%= scope.lookupvar('mongodb::pidfilepath') %>/mongod_<%= @mongod_instance %>/mongod.pid
+ExecStart=/usr/bin/mongod --config /etc/mongod_<%= @mongod_instance %>.conf
+Restart=on-failure
+User=<%= scope.lookupvar('mongodb::run_as_user') %>
+Group=<%= scope.lookupvar('mongodb::run_as_group') %>
+LimitNOFILE=<%= scope.lookupvar('mongodb::ulimit_nofiles') %>
+LimitNPROC=<%= scope.lookupvar('mongodb::ulimit_nproc') %>
+<% if @mongod_deactivate_transparent_hugepage -%>
+<%# implement mdiag.sh best-practice %>
+ExecPreStart=/bin/bash -c 'test -f /sys/kernel/mm/transparent_hugepage/khugepaged/defrag && echo 0 > /sys/kernel/mm/transparent_hugepage/khugepaged/defrag'
+ExecPreStart=/bin/bash -c 'test -f /sys/kernel/mm/transparent_hugepage/defrag && echo never > /sys/kernel/mm/transparent_hugepage/defrag'
+ExecPreStart=/bin/bash -c 'test -f /sys/kernel/mm/transparent_hugepage/enabled && echo never > /sys/kernel/mm/transparent_hugepage/enabled'
+<% end -%>
+
+[Install]
+WantedBy=multi-user.target

templates/systemd/mongos.service.erb

@@ -0,0 +1,17 @@
+[Unit]
+Description=Mongos_<%= @mongos_instance %> server
+Wants=network.target
+After=network.target
+
+[Service]
+Type=forking
+PIDFile=<%= scope.lookupvar('mongodb::pidfilepath') %>/mongos_<%= @mongos_instance %>/mongos.pid
+ExecStart=/usr/bin/mongos --config /etc/mongos_<%= @mongos_instance %>.conf
+Restart=on-failure
+User=<%= scope.lookupvar('mongodb::run_as_user') %>
+Group=<%= scope.lookupvar('mongodb::run_as_group') %>
+LimitNOFILE=<%= scope.lookupvar('mongodb::ulimit_nofiles') %>
+LimitNPROC=<%= scope.lookupvar('mongodb::ulimit_nproc') %>
+
+[Install]
+WantedBy=multi-user.target