Let us set username / password from SlapOS.

slapos/software/osie-coupler/buildout.hash.cfg

@@ -3,7 +3,7 @@ filename = instance-modbus.cfg.in
 md5sum = 8637c6b714a0bb9f27c86f3928049b98
 
 filename = instance-opc-ua.cfg.in
-md5sum = b6cf47dc85a0c1086cca5e3edcf969ab
+md5sum = 38e19f425129df64066f34e5ac06f5dd
 
 filename = instance-opc-ua-virtual.cfg.in
-md5sum = 49f84a499d258771651983dec90e98c1
+md5sum = 6277def85d4b602bba40c868e2daa779

slapos/software/osie-coupler/instance-opc-ua-virtual.cfg.in

@@ -21,7 +21,7 @@ extends = {{ template_monitor }}
 recipe = slapos.cookbook:wrapper
 # start with defaults
 command-line =
-    {{ buildout['bin-directory'] }}/server -d ${instance-parameter:configuration.coupler_block_device} -s ${instance-parameter:configuration.coupler_i2c_slave_list} -m 1 -p ${instance-parameter:configuration.opc_ua_port}
+    {{ buildout['bin-directory'] }}/server -d ${instance-parameter:configuration.coupler_block_device} -s ${instance-parameter:configuration.coupler_i2c_slave_list} -m 1 -p ${instance-parameter:configuration.opc_ua_port} -u ${instance-parameter:username} -w ${instance-parameter:password}
 
 wrapper-path = ${directory:service}/coupler-opc-ua-virtual
 
@@ -49,6 +49,8 @@ configuration.coupler_i2c_slave_list = 0x58
 # In our use case, we are expecting from the user to specify one (optional) parameter: "name". We put the default value here if he doesn't specify it, so that it doesn't crash.
 configuration.interface = 0.0.0.0
 configuration.opc_ua_port = 4840
+configuration.username = 
+configuration.password =
 # If our use case requires that the user can specify a mail address so that his instance can mail to him (for example), we can do:
 # configuration.mail-address =
 # If the user doesn't specify it, it won't break and the recipe can handle it (i.e don't send any mail for example).

slapos/software/osie-coupler/instance-opc-ua.cfg.in

@@ -21,7 +21,7 @@ extends = {{ template_monitor }}
 recipe = slapos.cookbook:wrapper
 # start with defaults
 command-line =
-    {{ buildout['bin-directory'] }}/server -d ${instance-parameter:configuration.coupler_block_device} -s ${instance-parameter:configuration.coupler_i2c_slave_list} -p ${instance-parameter:configuration.opc_ua_port}
+    {{ buildout['bin-directory'] }}/server -d ${instance-parameter:configuration.coupler_block_device} -s ${instance-parameter:configuration.coupler_i2c_slave_list} -p ${instance-parameter:configuration.opc_ua_port} -u ${instance-parameter:username} -w ${instance-parameter:password}
 
 wrapper-path = ${directory:service}/coupler-opc-ua
 
@@ -42,6 +42,8 @@ cert = ${slap-connection:cert-file}
 
 configuration.coupler_block_device = /dev/i2c-1
 configuration.coupler_i2c_slave_list = 0x58
+configuration.username =
+configuration.password =
 
 # Define default parameter(s) that will be used later, in case user didn't
 # specify it.