Parameterise load generator on_complete behaviour

If there's a health check configured, then "stop" is needed so the
container remains healthy, otherwise "exit" can be used to stop FR.

Author: ndptech

src/tests/multi-server/configs/freeradius/common/listen/load

@@ -24,6 +24,6 @@ listen load {
 			max_backlog = $ENV{TEST_LOADGEN_MAX_BACKLOG}
 			parallel = $ENV{TEST_LOADGEN_PARALLEL}
 			max_requests = $ENV{TEST_LOADGEN_MAX_REQUESTS}
-			on_complete = exit
+			on_complete = $ENV{TEST_LOADGEN_COMPLETE}
 		}
 	}

src/tests/multi-server/environments/kafka.yml.j2

@@ -105,6 +105,7 @@ services:
       TEST_LOADGEN_STEP:         "{{ loadgen.step }}"
       TEST_LOADGEN_MAX_BACKLOG:  "{{ loadgen.max_backlog }}"
       TEST_LOADGEN_PARALLEL:     "{{ loadgen.parallel }}"
+      TEST_LOADGEN_COMPLETE:     "{{ loadgen.complete }}"
       #
       #  Hard cap on packets emitted.  Tests that want the emit
       #  count to equal the consume count default this to

src/tests/multi-server/tests/accept/5min.test.yml

@@ -11,6 +11,7 @@ loadgen:
   parallel: 1
   max_backlog: 1000
   repeat: "no"
+  complete: "exit"
 
 # Test framework
 test_timeout: 350

src/tests/multi-server/tests/kafka-produce-reconnect/short.ci.test.yml

@@ -29,6 +29,7 @@ loadgen:
   step: 10
   parallel: 1
   max_backlog: 1000
+  complete: "stop"
 
 #  30s x 10pps = 300, but num_messages caps at 200 so proto_load
 #  stops at 200 emitted.  Consumer expects exactly 200.  If the

src/tests/multi-server/tests/kafka-produce/heavy.test.yml

@@ -16,6 +16,7 @@ loadgen:
   step: 500
   parallel: 4
   max_backlog: 20000
+  complete: "stop"
 
 # 2 * (500 + 1000 + 1500 + 2000) = 10000
 expected_messages: 10000

src/tests/multi-server/tests/kafka-produce/short.ci.test.yml

@@ -19,6 +19,7 @@ loadgen:
   #
   parallel: 5
   max_backlog: 1000
+  complete: "stop"
 
 #
 #  Expected message count at the consumer.  Must equal the total

src/tests/multi-server/tests/ldap/5min.test.yml

@@ -11,6 +11,7 @@ loadgen:
   parallel: 1
   max_backlog: 1000
   repeat: "no"
+  complete: "exit"
 
 # Test framework
 test_timeout: 350

src/tests/multi-server/tests/ldap/short.ci.test.yml

@@ -11,6 +11,7 @@ loadgen:
   parallel: 1
   max_backlog: 1000
   repeat: "no"
+  complete: "exit"
 
 # Test framework
 test_timeout: 125

src/tests/multi-server/tests/mysql/5min.test.yml

@@ -11,6 +11,7 @@ loadgen:
   parallel: 1
   max_backlog: 1000
   repeat: "no"
+  complete: "exit"
 
 # Test framework
 test_timeout: 350

src/tests/multi-server/tests/mysql/short.ci.test.yml

@@ -11,6 +11,7 @@ loadgen:
   parallel: 1
   max_backlog: 1000
   repeat: "no"
+  complete: "exit"
 
 # Test framework
 test_timeout: 125