added test for #652, stepped on #653 while testing the test, added test for that too

README.md

@@ -52,13 +52,13 @@ You can install from source:
 The [releases](https://github.com/fortio/fortio/releases) page has binaries for many OS/architecture combinations (see assets):
 
 ```shell
-curl -L https://github.com/fortio/fortio/releases/download/v1.38.3/fortio-linux_amd64-1.38.3.tgz \
+curl -L https://github.com/fortio/fortio/releases/download/v1.38.4/fortio-linux_amd64-1.38.4.tgz \
  | sudo tar -C / -xvzpf -
 # or the debian package
-wget https://github.com/fortio/fortio/releases/download/v1.38.3/fortio_1.38.3_amd64.deb
-dpkg -i fortio_1.38.3_amd64.deb
+wget https://github.com/fortio/fortio/releases/download/v1.38.4/fortio_1.38.4_amd64.deb
+dpkg -i fortio_1.38.4_amd64.deb
 # or the rpm
-rpm -i https://github.com/fortio/fortio/releases/download/v1.38.3/fortio-1.38.3-1.x86_64.rpm
+rpm -i https://github.com/fortio/fortio/releases/download/v1.38.4/fortio-1.38.4-1.x86_64.rpm
 # and more, see assets in release page
 ```
 
@@ -68,7 +68,7 @@ On a MacOS you can also install Fortio using [Homebrew](https://brew.sh/):
 brew install fortio
 ```
 
-On Windows, download https://github.com/fortio/fortio/releases/download/v1.38.3/fortio_win_1.38.3.zip and extract `fortio.exe` to any location, then using the Windows Command Prompt:
+On Windows, download https://github.com/fortio/fortio/releases/download/v1.38.4/fortio_win_1.38.4.zip and extract `fortio.exe` to any location, then using the Windows Command Prompt:
 ```
 fortio.exe server
 ```
@@ -116,15 +116,17 @@ Full list of command line flags (`fortio help`):
 <details>
 <!-- use release/updateFlags.sh to update this section -->
 <pre>
-Φορτίο 1.38.3 usage:
+Φορτίο 1.38.4 usage:
     fortio command [flags] target
 where command is one of: load (load testing), server (starts ui, rest api,
- http-echo, redirect, proxies, tcp-echo and grpc ping servers), tcp-echo (only
- the tcp-echo server), report (report only UI server), redirect (only the
- redirect server), proxies (only the -M and -P configured proxies), grpcping
- (grpc client), or curl (single URL debug), or nc (single tcp or udp://
- connection), or version (prints the full version and build details).
-where target is a url (http load tests) or host:port (grpc health test).
+ http-echo, redirect, proxies, tcp-echo, udp-echo and grpc ping servers),
+ tcp-echo (only the tcp-echo server), udp-echo (only udp-echo server),
+ report (report only UI server), redirect (only the redirect server),
+ proxies (only the -M and -P configured proxies), grpcping (grpc client),
+ or curl (single URL debug), or nc (single tcp or udp:// connection),
+ or version (prints the full version and build details).
+where target is a url (http load tests) or host:port (grpc health test),
+ or tcp://host:port (tcp load test), or udp://host:port (udp load test).
 flags are:
   -H header
         Additional header(s)

Webtest.sh

@@ -28,6 +28,22 @@ DOCKERNAME=fortio_server
 DOCKERSECNAME=fortio_secure_server
 DOCKERSECVOLNAME=fortio_certs
 FORTIO_BIN_PATH=fortio # /usr/bin/fortio is the full path but isn't needed
+
+# Unresolvable should error out - #653
+docker run fortio/fortio:webtest curl http://doesnt.exist.google.com/
+if [[ $? == 0 ]]; then
+  echo "Error in curl should show up in status"
+  exit 1
+fi
+
+# Expect error with extra args: (timeout (brew install coreutils) returns 124
+# for timeout) - #652
+timeout 3 docker run fortio/fortio:webtest server -loglevel debug extra-arg
+if [[ $? == 124 || $? == 0 ]]; then
+  echo "Unrecognized extra args/typo in flags should error out immediatly"
+  exit 1
+fi
+
 DOCKERID=$(docker run -d --ulimit nofile=$FILE_LIMIT --net host --name $DOCKERNAME fortio/fortio:webtest server -ui-path $FORTIO_UI_PREFIX -loglevel $LOGLEVEL -maxpayloadsizekb $MAXPAYLOAD -timeout=$TIMEOUT)
 function cleanup {
   set +e # errors are ok during cleanup

bincommon/commonflags.go

@@ -152,7 +152,7 @@ func FetchURL(o *fhttp.HTTPOptions) {
 	client, _ := fhttp.NewClient(o)
 	// big gotcha that nil client isn't nil interface value (!)
 	if client == nil || reflect.ValueOf(client).IsNil() {
-		return // error logged already
+		os.Exit(1) // error logged already
 	}
 	code, data, header := client.Fetch()
 	log.LogVf("Fetch result code %d, data len %d, headerlen %d", code, len(data), header)

fortio_main.go

@@ -71,16 +71,18 @@ func (f *httpMultiFlagList) Set(value string) error {
 
 // Usage to a writer.
 func usage(w io.Writer, msgs ...interface{}) {
-	_, _ = fmt.Fprintf(w, "Φορτίο %s usage:\n\t%s command [flags] target\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n",
+	_, _ = fmt.Fprintf(w, "Φορτίο %s usage:\n\t%s command [flags] target\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n",
 		version.Short(),
 		os.Args[0],
 		"where command is one of: load (load testing), server (starts ui, rest api,",
-		" http-echo, redirect, proxies, tcp-echo and grpc ping servers), tcp-echo (only",
-		" the tcp-echo server), report (report only UI server), redirect (only the",
-		" redirect server), proxies (only the -M and -P configured proxies), grpcping",
-		" (grpc client), or curl (single URL debug), or nc (single tcp or udp://",
-		" connection), or version (prints the full version and build details).",
-		"where target is a url (http load tests) or host:port (grpc health test).")
+		" http-echo, redirect, proxies, tcp-echo, udp-echo and grpc ping servers), ",
+		" tcp-echo (only the tcp-echo server), udp-echo (only udp-echo server),",
+		" report (report only UI server), redirect (only the redirect server),",
+		" proxies (only the -M and -P configured proxies), grpcping (grpc client),",
+		" or curl (single URL debug), or nc (single tcp or udp:// connection),",
+		" or version (prints the full version and build details).",
+		"where target is a url (http load tests) or host:port (grpc health test),",
+		" or tcp://host:port (tcp load test), or udp://host:port (udp load test).")
 	bincommon.FlagsUsage(w, msgs...)
 }
 
@@ -183,7 +185,16 @@ var (
 	calcQPS = flag.Bool("calc-qps", false, "Calculate the qps based on number of requests (-n) and duration (-t)")
 )
 
-//nolint:funlen,gocyclo // well yes it's fairly big and lotsa ifs.
+// serverArgCheck always returns true after checking arguments length.
+// so it can be used with isServer = serverArgCheck() below.
+func serverArgCheck() bool {
+	if len(flag.Args()) != 0 {
+		usageErr("Error: too many arguments (typo in a flag?)")
+	}
+	return true
+}
+
+//nolint:funlen // well yes it's fairly long
 func main() {
 	flag.Var(&proxiesFlags, "P",
 		"Tcp proxies to run, e.g -P \"localport1 dest_host1:dest_port1\" -P \"[::1]:0 www.google.com:443\" ...")
@@ -229,34 +240,31 @@ func main() {
 	case "load":
 		fortioLoad(*curlFlag, percList)
 	case "redirect":
-		isServer = true
+		isServer = serverArgCheck()
 		fhttp.RedirectToHTTPS(*redirectFlag)
 	case "report":
-		isServer = true
+		isServer = serverArgCheck()
 		if *redirectFlag != disabled {
 			fhttp.RedirectToHTTPS(*redirectFlag)
 		}
 		if !ui.Report(baseURL, *echoPortFlag, *dataDirFlag) {
 			os.Exit(1) // error already logged
 		}
 	case "tcp-echo":
-		isServer = true
+		isServer = serverArgCheck()
 		fnet.TCPEchoServer("tcp-echo", *tcpPortFlag)
 		startProxies()
 	case "udp-echo":
-		isServer = true
+		isServer = serverArgCheck()
 		fnet.UDPEchoServer("udp-echo", *udpPortFlag, *udpAsyncFlag)
 		startProxies()
 	case "proxies":
-		if len(flag.Args()) != 0 {
-			usageErr("Error: fortio proxies command only takes -P / -M flags")
-		}
-		isServer = true
+		isServer = serverArgCheck()
 		if startProxies() == 0 {
 			usageErr("Error: fortio proxies command needs at least one -P / -M flag")
 		}
 	case "server":
-		isServer = true
+		isServer = serverArgCheck()
 		if *tcpPortFlag != disabled {
 			fnet.TCPEchoServer("tcp-echo", *tcpPortFlag)
 		}

go.mod

@@ -7,14 +7,14 @@ require (
 	github.com/fsnotify/fsnotify v1.6.0
 	github.com/golang/protobuf v1.5.2
 	github.com/google/uuid v1.3.0
-	golang.org/x/exp v0.0.0-20221012211006-4de253d81b95
-	golang.org/x/net v0.0.0-20221012135044-0b7e1fb9d458
+	golang.org/x/exp v0.0.0-20221111204811-129d8d6c17ab
+	golang.org/x/net v0.2.0
 	google.golang.org/grpc v1.50.0
 )
 
 require (
-	golang.org/x/sys v0.0.0-20221013171732-95e765b1cc43 // indirect
-	golang.org/x/text v0.3.8 // indirect
+	golang.org/x/sys v0.2.0 // indirect
+	golang.org/x/text v0.4.0 // indirect
 	google.golang.org/genproto v0.0.0-20220714211235-042d03aeabc9 // indirect
 	google.golang.org/protobuf v1.28.0 // indirect
 )

go.sum

@@ -9,15 +9,15 @@ github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg=
 github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-golang.org/x/exp v0.0.0-20221012211006-4de253d81b95 h1:sBdrWpxhGDdTAYNqbgBLAR+ULAPPhfgncLr1X0lyWtg=
-golang.org/x/exp v0.0.0-20221012211006-4de253d81b95/go.mod h1:cyybsKvd6eL0RnXn6p/Grxp8F5bW7iYuBgsNCOHpMYE=
-golang.org/x/net v0.0.0-20221012135044-0b7e1fb9d458 h1:MgJ6t2zo8v0tbmLCueaCbF1RM+TtB0rs3Lv8DGtOIpY=
-golang.org/x/net v0.0.0-20221012135044-0b7e1fb9d458/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
+golang.org/x/exp v0.0.0-20221111204811-129d8d6c17ab h1:1S7USr8/C0Sgk4egxq4zZ07zYt2Xh1IiFp8hUMXH/us=
+golang.org/x/exp v0.0.0-20221111204811-129d8d6c17ab/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
+golang.org/x/net v0.2.0 h1:sZfSu1wtKLGlWI4ZZayP0ck9Y73K1ynO6gqzTdBVdPU=
+golang.org/x/net v0.2.0/go.mod h1:KqCZLdyyvdV855qA2rE3GC2aiw5xGR5TEjj8smXukLY=
 golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20221013171732-95e765b1cc43 h1:OK7RB6t2WQX54srQQYSXMW8dF5C6/8+oA/s5QBmmto4=
-golang.org/x/sys v0.0.0-20221013171732-95e765b1cc43/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/text v0.3.8 h1:nAL+RVCQ9uMn3vJZbV+MRnydTJFPf8qqY42YiA6MrqY=
-golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
+golang.org/x/sys v0.2.0 h1:ljd4t30dBnAvMZaQCevtY0xLLD0A+bRZXbgLMLU1F/A=
+golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/text v0.4.0 h1:BrVqGRd7+k1DiOgtnFvAkoQEWQvBc25ouMJM6429SFg=
+golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/genproto v0.0.0-20220714211235-042d03aeabc9 h1:zfXhTgBfGlIh3jMXN06W8qbhFGsh6MJNJiYEuhTddOI=
 google.golang.org/genproto v0.0.0-20220714211235-042d03aeabc9/go.mod h1:GkXuJDJ6aQ7lnJcRF+SJVgFdQhypqgl3LB1C9vabdRE=