Make sysctl configuration path configurable

Defaults to /etc/sysctl.conf to retain current behavior

Change-Id: I76be2c7d78b44340a1771a9c30eb6c434c2c7c17

defaults/main.yml

@@ -608,3 +608,5 @@ swift_pki_install_certificates:
 # Define user-provided SSL certificates
 # swift_user_ssl_cert: <path to cert on ansible deployment host>
 # swift_user_ssl_key: <path to cert on ansible deployment host>
+
+swift_sysctl_file: "{{ openstack_sysctl_file | default('/etc/sysctl.conf') }}"

tasks/swift_storage_hosts_setup.yml

@@ -24,6 +24,7 @@
     state: present
     value: "1"
     sysctl_set: yes
+    sysctl_file: "{{ swift_sysctl_file }}"
   delegate_to: "{{ physical_host }}"
 
 - name: "Set sysctl file-max"
@@ -32,6 +33,7 @@
     state: present
     value: "{{ swift_max_file_limits }}"
     sysctl_set: yes
+    sysctl_file: "{{ swift_sysctl_file }}"
   delegate_to: "{{ physical_host }}"
 
 - name: "Put /etc/rsyncd.conf in place"