software/headless-chromium: make parameters configurable

software/headless-chromium/buildout.hash.cfg

 [template-cfg]
 filename = instance.cfg.in
-md5sum = 7dee90f9586279de6f6473a74fee8b45
+md5sum = f6f78c811140a25521c3a1a6009b2c87
 
 [instance-headless-chromium]
 _update_hash_filename_ = instance_headless-chromium.cfg.in
-md5sum = 35f843826ed1307845f1530cacebb1c7
+md5sum = c009446e9081d76ba086d0fe5ff0723f
 
 [template-nginx-conf]
 _update_hash_filename_ = templates/nginx.conf.in

software/headless-chromium/instance.cfg.in

@@ -23,6 +23,14 @@ context =
   section buildout buildout
   section parameter_list profile-common
   key partition_ipv6 slap-configuration:ipv6-random
+  key slapparameter_dict slap-configuration:configuration
+  jsonkey default_parameter_dict :default-parameters
+default-parameters =
+  {
+    "remote-debugging-port": 8081,
+    "nginx-proxy-port": 8082,
+    "target-url": "https://www.example.com"
+  }
 
 [switch-softwaretype]
 recipe = slapos.cookbook:switch-softwaretype

software/headless-chromium/instance_headless-chromium.cfg.in

+{% set parameter_dict = dict(default_parameter_dict, **slapparameter_dict) %}
+
 [buildout]
 parts =
   chromium-launcher
@@ -20,11 +22,11 @@ service = ${:etc}/service
 
 [headless-chromium]
 ip = {{ partition_ipv6 }}
-remote-debugging-port = 9222
-url = https://example.com
+remote-debugging-port = {{ parameter_dict['remote-debugging-port'] }}
+url = {{ parameter_dict['target-url'] }}
 remote-debug-url = http://[${:ip}]:${:remote-debugging-port}
 
-nginx-port = 9345
+nginx-port = {{ parameter_dict['nginx-proxy-port'] }}
 proxy-url = http://[${:ip}]:${:nginx-port}
 nginx-config-target = ${directory:etc}/nginx.conf
 nginx-pid-path = ${directory:log}/nginx.pid
@@ -33,9 +35,10 @@ nginx-error-log = ${directory:log}/nginx-error.log
 nginx-access-log = ${directory:log}/nginx-access.log
 
 # Create a launcher script for the headless shell executable.
+# TODO: get rid of --no-sandbox after testing is done
 [chromium-launcher]
 recipe = slapos.cookbook:wrapper
-command-line =  {{ parameter_list['chromium-wrapper'] }} --remote-debugging-address=:: --remote-debugging-port=${headless-chromium:remote-debugging-port} ${headless-chromium:url}
+command-line =  {{ parameter_list['chromium-wrapper'] }} --remote-debugging-address=:: --remote-debugging-port=${headless-chromium:remote-debugging-port} --no-sandbox ${headless-chromium:url}
 wrapper-path = ${directory:service}/chromium
 environment =
   FONTCONFIG_FILE=${font-config:rendered}