Handle 2020.09+ workers

Since 2020.09, workers does not use ZMQ anymore but use a token.
This patch permit our setup to detecte when we use LAVA 2020.09+ and retrieve it from master.

3 files changed, 35 insertions, 0 deletions

diff --git a/lava-slave/scripts/getworkertoken.py b/lava-slave/scripts/getworkertoken.py
new file mode 100644
index 0000000..f538960
--- /dev/null
+++ b/lava-slave/scripts/getworkertoken.py
@@ -0,0 +1,15 @@
+#!/usr/bin/env python3
+
+import xmlrpc.client
+import sys
+
+if len(sys.argv) < 3:
+    print("ERROR: Usage: %s URI workername" % sys.argv[0])
+    sys.exit(1)
+
+server = xmlrpc.client.ServerProxy("%s" % sys.argv[1])
+wdet = server.scheduler.workers.show("%s" % sys.argv[2])
+if "token" in wdet:
+    print(wdet["token"])
+    sys.exit(0)
+sys.exit(1)
diff --git a/lava-slave/scripts/setup.sh b/lava-slave/scripts/setup.sh
index 58672c3..9873a91 100755
--- a/lava-slave/scripts/setup.sh
+++ b/lava-slave/scripts/setup.sh
@@ -68,6 +68,24 @@ do
 	else
 		echo "Adding worker $worker"
 		lavacli $LAVACLIOPTS workers add --description "LAVA dispatcher on $(cat /root/phyhostname)" $worker || exit $?
+		# does we ran 2020.09+ and worker need a token
+	fi
+	grep -q "TOKEN" /root/entrypoint.sh
+	if [ $? -eq 0 ];then
+		echo "DEBUG: Worker need a TOKEN"
+		# TODO use token from env
+		WTOKEN=$(getworkertoken.py $LAVA_MASTER_URI $worker)
+		if [ $? -eq 0 ];then
+			sed -i "s,.*TOKEN.*,TOKEN=\"--token $WTOKEN\"," /etc/lava-dispatcher/lava-worker || exit $?
+		else
+			echo "ERROR: cannot get WORKER TOKEN"
+			exit 1
+		fi
+		echo "DEBUG: set master URL to $LAVA_MASTER_URL"
+		sed -i "s,^# URL.*,URL=\"$LAVA_MASTER_URL\"," /etc/lava-dispatcher/lava-worker || exit $?
+		cat /etc/lava-dispatcher/lava-worker
+	else
+		echo "DEBUG: Worker does not need a TOKEN"
 	fi
 	if [ ! -z "$LAVA_DISPATCHER_IP" ];then
 		echo "Add dispatcher_ip $LAVA_DISPATCHER_IP to $worker"
diff --git a/lavalab-gen.py b/lavalab-gen.py
index d088bbb..e2e0607 100755
--- a/lavalab-gen.py
+++ b/lavalab-gen.py
@@ -546,7 +546,9 @@ def main():
         else:
             remote_proto = worker["remote_proto"]
         remote_uri = "%s://%s:%s@%s:%s/RPC2" % (remote_proto, remote_user, remote_token, remote_address, remote_rpc_port)
+        remote_master_url = "%s://%s:%s" % (remote_proto, remote_address, remote_rpc_port)
         dockcomp["services"][worker_name]["environment"]["LAVA_MASTER_URI"] = remote_uri
+        dockcomp["services"][worker_name]["environment"]["LAVA_MASTER_URL"] = remote_master_url
         dockcomp["services"][worker_name]["environment"]["LAVA_MASTER_USER"] = remote_user
         dockcomp["services"][worker_name]["environment"]["LAVA_MASTER_BASEURI"] = "%s://%s:%s/RPC2" % (remote_proto, remote_address, remote_rpc_port)
         dockcomp["services"][worker_name]["environment"]["LAVA_MASTER_TOKEN"] = remote_token