Reduce the size of prepare_host in acceptance tests

spec/setup_acceptance_node.pp

@@ -0,0 +1,33 @@
+case $facts['os']['name'] {
+  'Debian': {
+    # On Debian it seems that make is searching for mkdir in /usr/bin/ but mkdir
+    # does not exist. Symlink it from /bin/mkdir to make it work.
+    file { '/usr/bin/mkdir':
+      ensure => link,
+      target => '/bin/mkdir',
+    }
+  }
+  'Ubuntu': {
+    # The Ubuntu 18.04+ docker image has a dpkg config that won't install docs, to keep used space low
+    # zabbix packages their SQL file as doc, we need that for bootstrapping the database
+    file { '/etc/dpkg/dpkg.cfg.d/excludes':
+      ensure => absent,
+    }
+  }
+  default: {}
+}
+
+case $facts['os']['family'] {
+  'RedHat': {
+    if $facts['os']['release']['major'] == '7' {
+      # The CentOS docker image has a yum config that won't install docs, to keep used space low
+      # zabbix packages their SQL file as doc, we need that for bootstrapping the database
+      augeas { 'remove tsflags=nodocs from yum.conf':
+        changes => [
+          'rm /files/etc/yum.conf/main/tsflags',
+        ],
+      }
+    }
+  }
+  default: {}
+}

spec/support/acceptance/prepare_host.rb

@@ -1,49 +1,33 @@
 # frozen_string_literal: true
 
 def prepare_host
-  if fact('os.family') == 'RedHat'
-    shell('rm -rf /etc/yum.repos.d/Zabbix*.repo; rm -rf /var/cache/yum/x86_64/*/Zabbix*; yum clean all --verbose')
-    # The CentOS docker image has a yum config that won't install docs, to keep used space low
-    # zabbix packages their SQL file as doc, we need that for bootstrapping the database
-    shell('sed -i "/nodocs/d" /etc/yum.conf') if fact('os.release.major').to_i == 7
-  end
+  shell('yum clean all --verbose; rm -rf /etc/yum.repos.d/Zabbix*.repo') if fact('os.family') == 'RedHat'
 
-  # The Ubuntu 18.04+ docker image has a dpkg config that won't install docs, to keep used space low
-  # zabbix packages their SQL file as doc, we need that for bootstrapping the database
-  shell('rm -f /etc/dpkg/dpkg.cfg.d/excludes') if fact('os.distro.id') == 'Ubuntu'
+  apply_manifest <<~PUPPET
+    $services = $facts['os']['family'] ? {
+      'RedHat' => ['zabbix-server', 'httpd'],
+      'Debian' => ['zabbix-server', 'apache2'],
+      default  => [],
+    }
+    service { $services:
+      ensure => stopped
+    }
 
-  # On Debian it seems that make is searching for mkdir in /usr/bin/ but mkdir
-  # does not exist. Symlink it from /bin/mkdir to make it work.
-  shell('ln -sf /bin/mkdir /usr/bin/mkdir') if fact('os.distro.id') == 'Debian'
+    $packages = $facts['os']['family'] ? {
+      'RedHat' => ['zabbix-server-pgsql', 'zabbix-server-pgsql-scl', 'zabbix-web', 'zabbix-web-pgsql', 'zabbix-web-pgsql-scl', 'zabbix-frontend-php', 'zabbix-sql-scripts'],
+      'Debian' => ['zabbix-server-pgsql', 'zabbix-web-pgsql', 'zabbix-frontend-php', 'zabbix-sql-scripts'],
+      default  => [],
+    }
+    package { $packages:
+      ensure => purged
+    }
+  PUPPET
 
-  cleanup_puppet = <<-SHELL
-      $services = $facts['os']['family'] ? {
-        'RedHat' => ['zabbix-server', 'httpd'],
-        'Debian' => ['zabbix-server', 'apache2'],
-        default  => [],
-      }
-      service { $services:
-        ensure => stopped
-      }
-
-      $packages = $facts['os']['family'] ? {
-        'RedHat' => ['zabbix-server-pgsql', 'zabbix-server-pgsql-scl', 'zabbix-web', 'zabbix-web-pgsql', 'zabbix-web-pgsql-scl', 'zabbix-frontend-php', 'zabbix-sql-scripts'],
-        'Debian' => ['zabbix-server-pgsql', 'zabbix-web-pgsql', 'zabbix-frontend-php', 'zabbix-sql-scripts'],
-        default  => [],
-      }
-      package { $packages:
-        ensure => purged
-      }
-  SHELL
-
-  cleanup_script = <<-SHELL
-  /opt/puppetlabs/puppet/bin/gem uninstall zabbixapi -a
-  rm -f /etc/zabbix/.*done
-  if id postgres > /dev/null 2>&1; then
-    su - postgres -c "psql -c 'drop database if exists zabbix_server;'"
-  fi
+  shell <<~SHELL
+    /opt/puppetlabs/puppet/bin/gem uninstall zabbixapi -a
+    rm -f /etc/zabbix/.*done
+    if id postgres > /dev/null 2>&1; then
+      su - postgres -c "psql -c 'drop database if exists zabbix_server;'"
+    fi
   SHELL
-
-  apply_manifest(cleanup_puppet)
-  shell(cleanup_script)
 end