Exec: prefer "user => ..." rather than "command => 'sudo -u ..."

refs #6842

.vagrant-puppet/modules/pgsql/manifests/database/create.pp

@@ -22,10 +22,11 @@ define pgsql::database::create ($username, $password) {
   include pgsql
 
   exec { "create-pgsql-${name}-db":
-    unless  => "sudo -u postgres psql -tAc \"SELECT 1 FROM pg_roles WHERE rolname='${username}'\" | grep -q 1",
-    command => "sudo -u postgres psql -c \"CREATE ROLE ${username} WITH LOGIN PASSWORD '${password}';\" && \
-sudo -u postgres createdb -O ${username} -E UTF8 -T template0 ${name} && \
-sudo -u postgres createlang plpgsql ${name}",
+    unless  => "psql -tAc \"SELECT 1 FROM pg_roles WHERE rolname='${username}'\" | grep -q 1",
+    command => "psql -c \"CREATE ROLE ${username} WITH LOGIN PASSWORD '${password}';\" && \
+createdb -O ${username} -E UTF8 -T template0 ${name} && \
+createlang plpgsql ${name}",
+    user    => 'postgres',
     require => Class['pgsql']
   }
 }

.vagrant-puppet/modules/pgsql/manifests/database/populate.pp

@@ -33,7 +33,8 @@ define pgsql::database::populate ($username, $password, $schemafile) {
 
   exec { "populate-${name}-pgsql-db":
     onlyif  => "psql -U ${username} -d ${name} -c \"SELECT COUNT(*) FROM information_schema.tables WHERE table_schema = '${name}';\" 2>/dev/null |grep -qEe '^ *0 *$'",
-    command => "sudo -u postgres psql -U ${username} -d ${name} < ${schemafile}",
+    command => "psql -U ${username} -d ${name} < ${schemafile}",
+    user    => 'postgres',
     require => [
       Pgsql::Database::Create[$name],
       Class['grep']

.vagrant-puppet/profiles/icingaweb2_dev/manifests/init.pp

@@ -24,7 +24,8 @@ class icingaweb2_dev {
 
   exec { 'populate-icingweb-pgsql-db-preferences':
     unless  => 'psql -U icingaweb -d icingaweb -c "SELECT * FROM preference;" &> /dev/null',
-    command => 'sudo -u postgres psql -U icingaweb -d icingaweb -f /vagrant/etc/schema/preferences.pgsql.sql',
+    command => 'psql -U icingaweb -d icingaweb -f /vagrant/etc/schema/preferences.pgsql.sql',
+    user    => 'postgres',
     require => Pgsql::Database::Populate['icingaweb'],
   }