Various Puppet lint fixes

* Fixes following warnings:
    * double quoted string containing no variables
    * string containing only a variable
    * variable not enclosed in {}
    * indentation of => is not properly aligned
* Fix following error:
    * two-space soft tabs not used
* Remove some comments from the code, they added no value.

Change-Id: I3165e65e95c3565951077786d2edf77245460c35

manifests/base.pp

@@ -1,8 +1,4 @@
 #
-# parameters that may need to be added
-# $state_path = /opt/stack/data/cinder
-# $osapi_volume_extension = cinder.api.openstack.volume.contrib.standard_extensions
-# $root_helper = sudo /usr/local/bin/cinder-rootwrap /etc/cinder/rootwrap.conf
 class cinder::base (
   $rabbit_password,
   $sql_connection,
@@ -16,9 +12,9 @@ class cinder::base (
   $verbose                = false
 ) {
 
-  warning('The "cinder::base" class is deprecated. Use "cinder" instead.')
+  warning('The cinder::base class is deprecated. Use cinder instead.')
 
-  class { "cinder":
+  class { 'cinder':
     rabbit_password         => $rabbit_password,
     sql_connection          => $sql_connection,
     rabbit_host             => $rabbit_host,

manifests/db/mysql.pp

@@ -18,13 +18,12 @@ class cinder::db::mysql (
     password     => $password,
     host         => $host,
     charset      => $charset,
-    # I may want to inject some sql
     require      => Class['mysql::config'],
   }
 
   if $allowed_hosts {
-     # TODO this class should be in the mysql namespace
+    # TODO this class should be in the mysql namespace
-     cinder::db::mysql::host_access { $allowed_hosts:
+    cinder::db::mysql::host_access { $allowed_hosts:
       user      => $user,
       password  => $password,
       database  => $dbname,

manifests/db/mysql/host_access.pp

@@ -4,13 +4,13 @@
 define cinder::db::mysql::host_access ($user, $password, $database)  {
   database_user { "${user}@${name}":
     password_hash => mysql_password($password),
-    provider => 'mysql',
+    provider      => 'mysql',
-    require => Database[$database],
+    require       => Database[$database],
   }
   database_grant { "${user}@${name}/${database}":
     # TODO figure out which privileges to grant.
-    privileges => "all",
+    privileges => 'all',
-    provider => 'mysql',
+    provider   => 'mysql',
-    require => Database_user["${user}@${name}"]
+    require    => Database_user["${user}@${name}"]
   }
 }

manifests/db/postgresql.pp

@@ -8,14 +8,14 @@ class cinder::db::postgresql(
   $user   = 'cinder'
 ) {
 
-  require 'postgresql::python'
+  require postgresql::python
 
-  Postgresql::Db[$dbname] ~> Exec<| title == 'cinder-manage db_sync' |>
+  Postgresql::Db[$dbname]    ~> Exec<| title == 'cinder-manage db_sync' |>
   Package['python-psycopg2'] -> Exec<| title == 'cinder-manage db_sync' |>
 
-  postgresql::db { "${dbname}":
+  postgresql::db { $dbname:
-    user      =>  "${user}",
+    user      =>  $user,
-    password  =>  "${password}",
+    password  =>  $password,
   }
 
 }

manifests/init.pp

@@ -80,13 +80,13 @@ class cinder (
     if $rabbit_hosts {
       cinder_config { 'DEFAULT/rabbit_hosts':     value => join($rabbit_hosts, ',') }
       cinder_config { 'DEFAULT/rabbit_ha_queues': value => true }
-     } else {
+    } else {
-       cinder_config { 'DEFAULT/rabbit_host':      value => $rabbit_host }
+      cinder_config { 'DEFAULT/rabbit_host':      value => $rabbit_host }
-       cinder_config { 'DEFAULT/rabbit_port':      value => $rabbit_port }
+      cinder_config { 'DEFAULT/rabbit_port':      value => $rabbit_port }
-       cinder_config { 'DEFAULT/rabbit_hosts':     value => "${rabbit_host}:${rabbit_port}" }
+      cinder_config { 'DEFAULT/rabbit_hosts':     value => "${rabbit_host}:${rabbit_port}" }
-       cinder_config { 'DEFAULT/rabbit_ha_queues': value => false }
+      cinder_config { 'DEFAULT/rabbit_ha_queues': value => false }
-     }
+    }
-   }
+  }
 
   if $rpc_backend == 'cinder.openstack.common.rpc.impl_qpid' {
 

manifests/keystone/auth.pp

@@ -29,11 +29,11 @@ class cinder::keystone::auth (
   keystone_service { $auth_name:
     ensure      => present,
     type        => $service_type,
-    description => "Cinder Service",
+    description => 'Cinder Service',
   }
 
   if $configure_endpoint {
-    keystone_endpoint { "${region}/$auth_name":
+    keystone_endpoint { "${region}/${auth_name}":
       ensure       => present,
       public_url   => "${public_protocol}://${public_address}:${port}/${volume_version}/%(tenant_id)s",
       admin_url    => "http://${admin_address}:${port}/${volume_version}/%(tenant_id)s",

manifests/qpid.pp

@@ -17,11 +17,11 @@ class cinder::qpid(
     $service_ensure = 'running'
 
     qpid_user { $user:
-      password  => $password,
+      password => $password,
-      file  => $file,
+      file     => $file,
-      realm  => $realm,
+      realm    => $realm,
       provider => 'saslpasswd2',
-      require   => Class['qpid::server'],
+      require  => Class['qpid::server'],
     }
 
   } else {
@@ -29,7 +29,7 @@ class cinder::qpid(
   }
 
   class { 'qpid::server':
-    service_ensure    => $service_ensure
+    service_ensure => $service_ensure
   }
 
 }

manifests/rabbitmq.pp

@@ -3,10 +3,10 @@
 #
 #
 class cinder::rabbitmq(
-  $userid       ='guest',
+  $userid       = 'guest',
-  $password     ='guest',
+  $password     = 'guest',
-  $port         ='5672',
+  $port         = '5672',
-  $virtual_host ='/',
+  $virtual_host = '/',
   $enabled      = true
 ) {
 
@@ -19,10 +19,10 @@ class cinder::rabbitmq(
     } else {
       $delete_guest_user = true
       rabbitmq_user { $userid:
-        admin     => true,
+        admin    => true,
-        password  => $password,
+        password => $password,
         provider => 'rabbitmqctl',
-        require   => Class['rabbitmq::server'],
+        require  => Class['rabbitmq::server'],
       }
       # I need to figure out the appropriate permissions
       rabbitmq_user_permissions { "${userid}@${virtual_host}":
@@ -46,7 +46,7 @@ class cinder::rabbitmq(
   if ($enabled) {
     rabbitmq_vhost { $virtual_host:
       provider => 'rabbitmqctl',
-      require => Class['rabbitmq::server'],
+      require  => Class['rabbitmq::server'],
     }
   }
 }

manifests/volume/glusterfs.pp

@@ -37,7 +37,7 @@ class cinder::volume::glusterfs (
   $glusterfs_disk_util        = undef,
   $glusterfs_sparsed_volumes  = undef,
   $glusterfs_mount_point_base = undef,
-  $glusterfs_shares_config    = "/etc/cinder/shares.conf"
+  $glusterfs_shares_config    = '/etc/cinder/shares.conf'
 ) {
 
   $content = join($glusterfs_shares, "\n")

manifests/volume/iscsi.pp

@@ -11,7 +11,7 @@ class cinder::volume::iscsi (
     'DEFAULT/iscsi_ip_address': value => $iscsi_ip_address;
     'DEFAULT/iscsi_helper':     value => $iscsi_helper;
     'DEFAULT/volume_group':     value => $volume_group;
-   }
+  }
 
   case $iscsi_helper {
     'tgtadm': {
@@ -22,11 +22,11 @@ class cinder::volume::iscsi (
 
       if($::osfamily == 'RedHat') {
         file_line { 'cinder include':
-          path => '/etc/tgt/targets.conf',
+          path    => '/etc/tgt/targets.conf',
-          line => "include /etc/cinder/volumes/*",
+          line    => 'include /etc/cinder/volumes/*',
-          match => '#?include /',
+          match   => '#?include /',
           require => Package['tgt'],
-          notify => Service['tgtd'],
+          notify  => Service['tgtd'],
         }
       }
 

manifests/volume/nfs.pp

@@ -5,7 +5,7 @@ class cinder::volume::nfs (
   $nfs_disk_util = undef,
   $nfs_sparsed_volumes = undef,
   $nfs_mount_point_base = undef,
-  $nfs_shares_config = "/etc/cinder/shares.conf"
+  $nfs_shares_config = '/etc/cinder/shares.conf'
 ) {
 
   file {$nfs_shares_config: