Exit with 0 when receiving SIGTERM

* systemctl stop podman.service will now return exit code 0
* Update test framework to support JSON boolean and numeric values

Signed-off-by: Jhon Honce <jhonce@redhat.com>

libpod/runtime.go

@@ -210,6 +210,10 @@ func newRuntimeFromConfig(ctx context.Context, conf *config.Config, options ...R
 	}
 
 	if err := shutdown.Register("libpod", func(sig os.Signal) error {
+		// For `systemctl stop podman.service` support, exit code should be 0
+		if sig == syscall.SIGTERM {
+			os.Exit(0)
+		}
 		os.Exit(1)
 		return nil
 	}); err != nil && errors.Cause(err) != shutdown.ErrHandlerExists {

test/apiv2/20-containers.at

@@ -280,7 +280,7 @@ t DELETE containers/$cid_top 204
 t POST containers/create \
   Image=$ENV_WORKDIR_IMG \
   WorkingDir=/dataDir \
-  StopSignal=9 \
+  StopSignal=\"9\" \
   201 \
   .Id~[0-9a-f]\\{64\\}
 cid=$(jq -r '.Id' <<<"$output")

test/apiv2/test-apiv2

@@ -194,8 +194,16 @@ function jsonify() {
         local rhs
         IFS='=' read lhs rhs <<<"$i"
 
-        # If right-hand side already includes double quotes, do nothing
-        if [[ ! $rhs =~ \" ]]; then
+        if [[ $rhs =~ \" || $rhs == true || $rhs == false || $rhs =~ ^-?[0-9]+$ ]]; then
+            # rhs has been pre-formatted for JSON or a non-string, do not change it
+            :
+        elif [[ $rhs == False ]]; then
+            # JSON boolean is lowercase only
+            rhs=false
+        elif [[ $rhs == True ]]; then
+            # JSON boolean is lowercase only
+            rhs=true
+        else
             rhs="\"${rhs}\""
         fi
         settings_out+=("\"${lhs}\":${rhs}")
@@ -241,26 +249,30 @@ function t() {
     # entrypoint path can include a descriptive comment; strip it off
     path=${path%% *}
 
-    # path may include JSONish params that curl will barf on; url-encode them
-    path="${path//'['/%5B}"
-    path="${path//']'/%5D}"
-    path="${path//'{'/%7B}"
-    path="${path//'}'/%7D}"
-    path="${path//':'/%3A}"
+    local url=$path
+    if ! [[ $path =~ ^'http://' ]]; then
+        # path may include JSONish params that curl will barf on; url-encode them
+        path="${path//'['/%5B}"
+        path="${path//']'/%5D}"
+        path="${path//'{'/%7B}"
+        path="${path//'}'/%7D}"
+        path="${path//':'/%3A}"
+
+        # If given path begins with /, use it as-is; otherwise prepend /version/
+        url=http://$HOST:$PORT
+        case "$path" in
+        /*) url="$url$path" ;;
+        libpod/*) url="$url/v4.0.0/$path" ;;
+        *)  url="$url/v1.41/$path" ;;
+        esac
+    fi
 
     # curl -X HEAD but without --head seems to wait for output anyway
     if [[ $method == "HEAD" ]]; then
         curl_args="--head"
     fi
-    local expected_code=$1; shift
 
-    # If given path begins with /, use it as-is; otherwise prepend /version/
-    local url=http://$HOST:$PORT
-    case "$path" in
-        /*) url="$url$path" ;;
-        libpod/*) url="$url/v4.0.0/$path" ;;
-        *)  url="$url/v1.41/$path" ;;
-    esac
+    local expected_code=$1; shift
 
     # Log every action we do
     echo "-------------------------------------------------------------" >>$LOG