Ansible Network VM boost

vm-network-boost.yml

- name: Higher hard open file limits (needs restart done at the end)
  lineinfile: path=/etc/security/limits.conf line="* hard nofile 1000000"
  become: yes

- name: Higher soft open file limits (needs restart done at the end)
  lineinfile: path=/etc/security/limits.conf line="* soft nofile 1000000"
  become: yes

- name: Higher hard open file limits (needs restart done at the end)
  lineinfile: path=/etc/security/limits.conf line="root hard nofile 1000000"
  become: yes

- name: Higher soft open file limits (needs restart done at the end)
  lineinfile: path=/etc/security/limits.conf line="root soft nofile 1000000"
  become: yes

- name: Higher common sessions
  lineinfile: path=/etc/pam.d/common-session line="session required pam_limits.so"
  become: yes

- name: Higher common non interactive sessions
  lineinfile: path=/etc/pam.d/common-session-noninteractive line="session required pam_limits.so"
  become: yes

- name: Set ip_local_port_range
  lineinfile: path=/etc/sysctl.conf line="net.ipv4.ip_local_port_range=1024 65535" regexp=^net\.ipv4\.ip_local_port_range
  become: yes
- name: Set tcp_mem
  lineinfile: path=/etc/sysctl.conf line="net.ipv4.tcp_mem=1000000 1000000 1000000" regexp=^net\.ipv4\.tcp_mem
  become: yes
- name: Set tcp_rmem
  lineinfile: path=/etc/sysctl.conf line="net.ipv4.tcp_rmem=1024 4096 16384" regexp=^net\.ipv4\.tcp_rmem
  become: yes
- name: Set tcp_wmem
  lineinfile: path=/etc/sysctl.conf line="net.ipv4.tcp_wmem=1024 4096 16384" regexp=^net\.ipv4\.tcp_wmem
  become: yes
- name: Set rmem_max
  lineinfile: path=/etc/sysctl.conf line="net.core.rmem_max=16384" regexp=^net\.core\.rmem_max
  become: yes
- name: Set wmem_max
  lineinfile: path=/etc/sysctl.conf line="net.core.wmem_max=16384" regexp=^net\.core\.wmem_max
  become: yes
- name: Set file-max
  lineinfile: path=/etc/sysctl.conf line="fs.file-max=1000000" regexp=^fs\.file-max
  become: yes
- name: Set nr_open
  lineinfile: path=/etc/sysctl.conf line="fs.nr_open=1000000" regexp=^fs\.nr_open
  become: yes

- name: Apply sysctl
  command: sysctl -p
  become: yes