ansible初心者なので、改善点とかありましたら教えてください

先にApache2とMySQLをインストールしている前提です。
Apache2のインストールはこちらをご覧ください
MySQLのインストールはこちらをご覧ください

install-php-playbook.yml

- hosts: [web-server]
  vars:
    src_dir: "/usr/local/src"
    php_src_dir: "$src_dir/php"
    php_version: "5.5.4"
    php_src_url: "http://jp1.php.net/distributions/php-$php_version.tar.gz"

  tasks:
    - name: "remove installed package"
      yum: name=php state=absent

    - name: "install depended package"
      yum: name=$item
      with_items:
        - perl
        - gd-devel
        - libjpeg-devel
        - libpng-devel
        - libxml2
        - libxml2-devel
        - openssl
        - openssl-devel

    - name: "make src dir"
      file: dest=$php_src_dir state=directory

    - name: "download php src"
      get_url: url=$php_src_url dest=$php_src_dir

    - name: "extract src file"
      command: tar zxvf php-$php_version.tar.gz chdir=$php_src_dir

    - name: "create mysql synbolic link"
      file: src=/usr/lib64/mysql dest=/usr/lib/mysql state=link

    - name: "configure"
      command: chdir=$php_src_dir/php-$php_version env ./configure  --with-apxs2=/usr/local/apache2/bin/apxs --with-mysql --enable-mbstring --enable-mbregex --disable-cgi --enable-cli --with-zlib --with-gd --with-jpeg-dir=/usr/local/src/php/php-$php_version/ext/gd/libgd --with-png-dir=/usr/local/src/php/php-$php_version/ext/gd/libgd --with-openssl --with-mysqli=mysqlnd --with-pdo-mysql=mysqlnd

    - name: "make"
      command: make chdir=$php_src_dir/php-$php_version

    - name: "install"
      command: make install chdir=$php_src_dir/php-$php_version

    - name: "copy initial php.ini"
      copy: src=$php_src_dir/php-$php_version/php.ini-production dest=/usr/local/lib/php.ini

    - name: "set mime type to httpd conf"
      command: echo 'application/x-httpd-php php html' >> /usr/local/apache2/conf/mime.types