WIP: Adding instance-opcua.jinja.cfg.in in order to request different instance.cfg files.

- Lacking the ability to request nested json files.
- Missing asyncua hence not working

slapos/software/opcua-to-http-gw/instance-opcua.cfg.jinja.in

+{%- set parameter_dict = dict(default_parameter_dict, **parameter_dict) %}
+{%- set opcua_server_bool = parameter_dict['opcua-server-bool'] %}
+
+{%- if opcua_server_bool == "True" %}
+{%- set promises_parts = 'promises' %}
+{%- set publish_connection_parameter_parts = 'publish-connection-parameter' %}
+{%- else %}
+{%- set promises_parts = '' %}
+{%- set publish_connection_parameter_parts = '' %}
+{%- endif %}
+[buildout]
+parts =
+  directory
+  opcua-xml-url
+  opcua-to-http-gw-service
+  download-opcua-to-http-gw
+  {{ publish_connection_parameter_parts }}
+  {{ promises_parts }}
+
+eggs-directory = ${buildout:eggs-directory}
+develop-eggs-directory = ${buildout:develop-eggs-directory}
+offline = true
+
+[instance-parameter]
+ipv6-enabled = {{ parameter_dict['ipv6-enabled'] }}
+opcua-port = {{ parameter_dict['opcua-port'] }}
+opcua-xml-url = {{ parameter_dict['opcua-xml-url'] }}
+erp5-url = {{ parameter_dict['erp5-url'] }}
+erp5-username = {{ parameter_dict['erp5-username'] }}
+erp5-password = {{ parameter_dict['erp5-password'] }}
+
+[directory]
+recipe = slapos.cookbook:mkdirectory
+home = $${buildout:directory}
+etc = $${:home}/etc
+var = $${:home}/var
+script = $${:etc}/run/
+service = $${:etc}/service
+promise = $${:etc}/promise/
+log = $${:var}/log
+bin = $${:home}/bin
+
+[opcua-xml-url]
+recipe = slapos.recipe.build:download
+offline = false
+url = https://lab.nexedi.com/Demonkey/osie/raw/philipp_opcua/opcua-to-http-gw/opcua-server-config.xml
+destination = $${directory:etc}/schema.xml
+
+[download-opcua-to-http-gw]
+recipe = slapos.recipe.build:download
+offline = false
+# Currently the end of the of the url must match the end of the destination. Here it is /opcua-to-http-gw.py
+url = {{ parameter_dict['opcua-to-http-gw-url'] or '' }}
+destination = $${buildout:parts-directory}/opcua-to-http-gw.py
+
+[opcua-to-http-gw-service]
+recipe = slapos.cookbook:wrapper
+{% set command_parts = [
+    "$${buildout:bin-directory}/py $${download-opcua-to-http-gw:destination}",
+    "--xml $${opcua-xml-url:destination}",
+    "--erp5-url $${instance-parameter:erp5-url}",
+    "--erp5-username $${instance-parameter:erp5-username}",
+    "--erp5-password $${instance-parameter:erp5-password}",
+    "--port $${instance-parameter:opcua-port}",
+    "--ipv6 " ~ ipv6_random,
+    "--ipv6-enabled $${instance-parameter:ipv6-enabled}"
+] -%}
+command-line = {{ command_parts|join(' ') }}
+wrapper-path = $${directory:service}/{{ parameter_dict['instance-service-name'] }}
+output = $${:wrapper-path}
+
+{% if opcua_server_bool == "True" %}
+[check-port-listening-promise]
+recipe = slapos.cookbook:check_port_listening
+path = $${directory:promise}/$${:_buildout_section_name_}
+
+[opcua-to-http-gw-listen-promise]
+<= check-port-listening-promise
+{%- if ipv6_enabled == "1" %}
+hostname = {{ ipv6_random }}
+{%- elif ipv4_enabled == "1" %}
+hostname = {{ ipv4_random }}
+{%- endif %}
+port = $${instance-parameter:opcua-port}
+
+[promises]
+recipe =
+instance-promises =
+  $${opcua-to-http-gw-listen-promise:path}
+
+[publish-connection-parameter]
+recipe = slapos.cookbook:publish
+{%- if ipv6_enabled == "1" %}
+ipv6 = {{ ipv6_random }} 
+{%- elif ipv4_enabled == "1" %}
+ipv4 = {{ ipv4_random }} 
+{%- endif %}
+{% endif %}
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