Merge pull request #1923 from holta/pi-swap-size

Introduce variable pi_swap_file_size: 1024

roles/1-prep/tasks/raspberry_pi.yml

@@ -32,12 +32,12 @@
     name: ntp
     state: latest
 
-- name: Increase swap file size (to CONF_SWAPSIZE=500 in /etc/dphys-swapfile) as kalite pip download fails (debuntu)
+- name: Increase swap file size (to CONF_SWAPSIZE={{ pi_swap_file_size }} in /etc/dphys-swapfile) as kalite pip download fails (debuntu)
   lineinfile:
     path: /etc/dphys-swapfile
     regexp: "^CONF_SWAPSIZE"
-    line: CONF_SWAPSIZE=500
+    line: "CONF_SWAPSIZE={{ pi_swap_file_size }}"
-  when: is_debuntu | bool
+  when: is_debuntu | bool    # Redundant, given raspberry_pi.yml is only run when rpi_model: "rpi" (similar to is_rpi: True).  Until someone tries a non-debuntu OS on RPi?
 
 - name: Restart swap service "dphys-swapfile" (debuntu)
   #command: /etc/init.d/dphys-swapfile restart

vars/default_vars.yml

@@ -198,6 +198,10 @@ openvpn_server_port: 1194
 # need_ncat is turned true by os-#.yml files that don't have ncat in nmap
 need_ncat: False
 
+# Some prefer 512MB for Zero W, others prefer 2048MB or higher for RPi 3 and 4.
+# Please see recommendations at: https://itsfoss.com/swap-size/
+pi_swap_file_size: 1024
+
 
 # 2-COMMON
 

vars/local_vars_big.yml

@@ -102,6 +102,10 @@ openvpn_handle:
 # The following seems necessary on CentOS:
 # openvpn_cron_enabled: True
 
+# Some prefer 512MB for Zero W, others prefer 2048MB or higher for RPi 3 and 4.
+# Please see recommendations at: https://itsfoss.com/swap-size/
+pi_swap_file_size: 1024
+
 
 # 2-COMMON
 

vars/local_vars_medium.yml

@@ -102,6 +102,10 @@ openvpn_handle:
 # The following seems necessary on CentOS:
 # openvpn_cron_enabled: True
 
+# Some prefer 512MB for Zero W, others prefer 2048MB or higher for RPi 3 and 4.
+# Please see recommendations at: https://itsfoss.com/swap-size/
+pi_swap_file_size: 1024
+
 
 # 2-COMMON
 

vars/local_vars_min.yml

@@ -102,6 +102,10 @@ openvpn_handle:
 # The following seems necessary on CentOS:
 # openvpn_cron_enabled: True
 
+# Some prefer 512MB for Zero W, others prefer 2048MB or higher for RPi 3 and 4.
+# Please see recommendations at: https://itsfoss.com/swap-size/
+pi_swap_file_size: 1024
+
 
 # 2-COMMON