Add etcd sonobuoy tests

Closes a gap in test coverage. Also fixes an issue where args and hooks
from previous test runs were not being reset for subsequent runs.

Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
(cherry picked from commit 52e450f)

scripts/test

@@ -41,6 +41,7 @@ echo "Did test-run-sonobuoy $?"
 
 # ---
 
+test-run-sonobuoy etcd
 test-run-sonobuoy mysql
 test-run-sonobuoy postgres
 

scripts/test-helpers

@@ -321,9 +321,6 @@ test-setup() {
         exit 0
     fi
 
-    local setupFile=./scripts/test-setup-${TEST_TYPE}
-    [ -f $setupFile ] && source $setupFile
-
     echo ${RANDOM}${RANDOM}${RANDOM} >$TEST_DIR/metadata/secret
 }
 export -f test-setup
@@ -422,7 +419,6 @@ provision-server() {
     local count=$(inc-count servers)
     local testID=$(basename $TEST_DIR)
     local name=$(echo "k3s-server-$count-$testID" | tee $TEST_DIR/servers/$count/metadata/name)
-    #local args=$(cat $TEST_DIR/args $TEST_DIR/servers/args $TEST_DIR/servers/$count/args 2>/dev/null)
     local port=$(timeout --foreground 5s bash -c get-port | tee $TEST_DIR/servers/$count/metadata/port)
     local SERVER_INSTANCE_ARGS="SERVER_${count}_ARGS"
 
@@ -454,7 +450,6 @@ provision-agent() {
     local count=$(inc-count agents)
     local testID=$(basename $TEST_DIR)
     local name=$(echo "k3s-agent-$count-$testID" | tee $TEST_DIR/agents/$count/metadata/name)
-    #local args=$(cat $TEST_DIR/args $TEST_DIR/agents/args $TEST_DIR/agents/$count/args 2>/dev/null)
     local AGENT_INSTANCE_ARGS="AGENT_${count}_ARGS"
 
     run-function agent-pre-hook $count
@@ -581,6 +576,21 @@ export -f run-test
 
 # ---
 
+cleanup-test-env(){
+      export NUM_SERVERS=1
+      export NUM_AGENTS=1
+      export AGENT_ARGS=''
+      export SERVER_ARGS=''
+      export WAIT_SERVICES="${all_services[@]}"
+
+      unset AGENT_1_ARGS AGENT_2_ARGS AGENT_3_ARGS
+      unset SERVER_1_ARGS SERVER_2_ARGS SERVER_3_ARGS
+
+      unset -f server-pre-hook server-post-hook agent-pre-hook agent-post-hook cluster-pre-hook cluster-post-hook test-post-hook
+}
+
+# ---
+
 count-running-tests(){
       local count=0
       for pid in ${pids[@]}; do
@@ -631,6 +641,7 @@ test-run-sonobuoy() {
         export LABEL_SUFFIX=$1
     fi
 
+    cleanup-test-env
     . ./scripts/test-setup-sonobuoy$suffix
     run-e2e-tests
 }

scripts/test-run-basics

@@ -46,3 +46,5 @@ export -f use-local-storage-volume
 
 # --- create a basic cluster and check for valid versions
 LABEL=BASICS run-test
+
+cleanup-test-env

scripts/test-run-compat

@@ -44,3 +44,5 @@ K3S_IMAGE_AGENT=${REPO}/${IMAGE_NAME}:${STABLE_VERSION} LABEL=STABLE-AGENT run-t
 # --- create a basic cluster to test for compat with the latest version of the server and agent
 K3S_IMAGE_SERVER=${REPO}/${IMAGE_NAME}:${LATEST_VERSION} LABEL=LATEST-SERVER run-test
 K3S_IMAGE_AGENT=${REPO}/${IMAGE_NAME}:${LATEST_VERSION} LABEL=LATEST-AGENT run-test
+
+cleanup-test-env

scripts/test-run-lazypull

@@ -132,3 +132,5 @@ export -f get-topmost-layer
 
 # --- create a basic cluster and check for lazy pulling
 LABEL=LAZYPULL run-test
+
+cleanup-test-env

scripts/test-setup-sonobuoy-dqlite → scripts/test-setup-sonobuoy-etcd

@@ -4,10 +4,7 @@
 
 export NUM_SERVERS=2
 export NUM_AGENTS=0
-
-export SERVER_1_ARGS=--cluster-init
-
-# ---
+export SERVER_1_ARGS="--cluster-init"
 
 server-post-hook() {
   if [ $1 -eq 1 ]; then