dependencies.yml

 - hosts: all
   sudo: true

   tasks:
     - name: Push profile
       copy: src=files/{{ item }} dest=/home/cassandra owner=cassandra group=cassandra mode=0754
       with_items:
           - ".bashrc"
           - ".bash_profile"
       tags:
         - profile

     - name: Update memlock /etc/security/limits.conf
       lineinfile: dest=/etc/security/limits.conf  line="cassandra - memlock unlimited" state=present 
       tags:
         - memlock

     - name: Update nofile /etc/security/limits.conf
       lineinfile: dest=/etc/security/limits.conf  line="cassandra - nofile 100000" state=present 
       tags:
         - nofile

     - name: Update nproc /etc/security/limits.conf
       lineinfile: dest=/etc/security/limits.conf  line="cassandra - nproc 32768" state=present 
       tags:
         - nproc

     - name: Update as /etc/security/limits.conf
       lineinfile: dest=/etc/security/limits.conf  line="cassandra - as unlimited" state=present 
       tags:
         - as

     - name: Set vm.max_map_count to 1048575
       sysctl: name=vm.max_map_count value=1048575 state=present reload=no
       tags:
         - max_map_count