package haproxy import ( "crypto/rand" "encoding/binary" "fmt" "net" "net/http" "net/http/httptest" "strings" "testing" "github.com/influxdata/telegraf/testutil" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) type statServer struct{} func (s statServer) serverSocket(l net.Listener) { for { conn, err := l.Accept() if err != nil { return } go func(c net.Conn) { buf := make([]byte, 1024) n, _ := c.Read(buf) data := buf[:n] if string(data) == "show stat\n" { c.Write([]byte(csvOutputSample)) c.Close() } }(conn) } } func TestHaproxyGeneratesMetricsWithAuthentication(t *testing.T) { //We create a fake server to return test data ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { username, password, ok := r.BasicAuth() if !ok { w.WriteHeader(http.StatusNotFound) fmt.Fprint(w, "Unauthorized") return } if username == "user" && password == "password" { fmt.Fprint(w, csvOutputSample) } else { w.WriteHeader(http.StatusNotFound) fmt.Fprint(w, "Unauthorized") } })) defer ts.Close() //Now we tested again above server, with our authentication data r := &haproxy{ Servers: []string{strings.Replace(ts.URL, "http://", "http://user:password@", 1)}, } var acc testutil.Accumulator err := r.Gather(&acc) require.NoError(t, err) tags := map[string]string{ "server": ts.Listener.Addr().String(), "proxy": "be_app", "sv": "host0", } fields := HaproxyGetFieldValues() acc.AssertContainsTaggedFields(t, "haproxy", fields, tags) //Here, we should get error because we don't pass authentication data r = &haproxy{ Servers: []string{ts.URL}, } err = r.Gather(&acc) require.Error(t, err) } func TestHaproxyGeneratesMetricsWithoutAuthentication(t *testing.T) { ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { fmt.Fprint(w, csvOutputSample) })) defer ts.Close() r := &haproxy{ Servers: []string{ts.URL}, } var acc testutil.Accumulator err := r.Gather(&acc) require.NoError(t, err) tags := map[string]string{ "proxy": "be_app", "server": ts.Listener.Addr().String(), "sv": "host0", } fields := HaproxyGetFieldValues() acc.AssertContainsTaggedFields(t, "haproxy", fields, tags) } func TestHaproxyGeneratesMetricsUsingSocket(t *testing.T) { var randomNumber int64 var sockets [5]net.Listener _globmask := "/tmp/test-haproxy*.sock" _badmask := "/tmp/test-fail-haproxy*.sock" for i := 0; i < 5; i++ { binary.Read(rand.Reader, binary.LittleEndian, &randomNumber) sockname := fmt.Sprintf("/tmp/test-haproxy%d.sock", randomNumber) sock, err := net.Listen("unix", sockname) if err != nil { t.Fatal("Cannot initialize socket ") } sockets[i] = sock defer sock.Close() s := statServer{} go s.serverSocket(sock) } r := &haproxy{ Servers: []string{_globmask}, } var acc testutil.Accumulator err := r.Gather(&acc) require.NoError(t, err) fields := HaproxyGetFieldValues() for _, sock := range sockets { tags := map[string]string{ "proxy": "be_app", "server": sock.Addr().String(), "sv": "host0", } acc.AssertContainsTaggedFields(t, "haproxy", fields, tags) } // This mask should not match any socket r.Servers = []string{_badmask} err = r.Gather(&acc) require.Error(t, err) } //When not passing server config, we default to localhost //We just want to make sure we did request stat from localhost func TestHaproxyDefaultGetFromLocalhost(t *testing.T) { r := &haproxy{} var acc testutil.Accumulator err := r.Gather(&acc) require.Error(t, err) assert.Contains(t, err.Error(), "127.0.0.1:1936/haproxy?stats/;csv") } func HaproxyGetFieldValues() map[string]interface{} { fields := map[string]interface{}{ "active_servers": uint64(1), "backup_servers": uint64(0), "bin": uint64(510913516), "bout": uint64(2193856571), "check_duration": uint64(10), "cli_abort": uint64(73), "ctime": uint64(2), "downtime": uint64(0), "dresp": uint64(0), "econ": uint64(0), "eresp": uint64(1), "http_response.1xx": uint64(0), "http_response.2xx": uint64(119534), "http_response.3xx": uint64(48051), "http_response.4xx": uint64(2345), "http_response.5xx": uint64(1056), "lbtot": uint64(171013), "qcur": uint64(0), "qmax": uint64(0), "qtime": uint64(0), "rate": uint64(3), "rate_max": uint64(12), "rtime": uint64(312), "scur": uint64(1), "smax": uint64(32), "srv_abort": uint64(1), "stot": uint64(171014), "ttime": uint64(2341), "wredis": uint64(0), "wretr": uint64(1), } return fields } const csvOutputSample = ` # pxname,svname,qcur,qmax,scur,smax,slim,stot,bin,bout,dreq,dresp,ereq,econ,eresp,wretr,wredis,status,weight,act,bck,chkfail,chkdown,lastchg,downtime,qlimit,pid,iid,sid,throttle,lbtot,tracked,type,rate,rate_lim,rate_max,check_status,check_code,check_duration,hrsp_1xx,hrsp_2xx,hrsp_3xx,hrsp_4xx,hrsp_5xx,hrsp_other,hanafail,req_rate,req_rate_max,req_tot,cli_abrt,srv_abrt,comp_in,comp_out,comp_byp,comp_rsp,lastsess,last_chk,last_agt,qtime,ctime,rtime,ttime, fe_app,FRONTEND,,81,288,713,2000,1094063,5557055817,24096715169,1102,80,95740,,,17,19,OPEN,,,,,,,,,2,16,113,13,114,,0,18,0,102,,,,0,1314093,537036,123452,11966,1360,,35,140,1987928,,,0,0,0,0,,,,,,,, be_static,host0,0,0,0,3,,3209,1141294,17389596,,0,,0,0,0,0,no check,1,1,0,,,,,,2,17,1,,3209,,2,0,,7,,,,0,218,1497,1494,0,0,0,,,,0,0,,,,,2,,,0,2,23,545, be_static,BACKEND,0,0,0,3,200,3209,1141294,17389596,0,0,,0,0,0,0,UP,1,1,0,,0,70698,0,,2,17,0,,3209,,1,0,,7,,,,0,218,1497,1494,0,0,,,,,0,0,0,0,0,0,2,,,0,2,23,545, be_static,host0,0,0,0,1,,28,17313,466003,,0,,0,0,0,0,UP,1,1,0,0,0,70698,0,,2,18,1,,28,,2,0,,1,L4OK,,1,0,17,6,5,0,0,0,,,,0,0,,,,,2103,,,0,1,1,36, be_static,host4,0,0,0,1,,28,15358,1281073,,0,,0,0,0,0,UP,1,1,0,0,0,70698,0,,2,18,2,,28,,2,0,,1,L4OK,,1,0,20,5,3,0,0,0,,,,0,0,,,,,2076,,,0,1,1,54, be_static,host5,0,0,0,1,,28,17547,1970404,,0,,0,0,0,0,UP,1,1,0,0,0,70698,0,,2,18,3,,28,,2,0,,1,L4OK,,0,0,20,5,3,0,0,0,,,,0,0,,,,,1495,,,0,1,1,53, be_static,host6,0,0,0,1,,28,14105,1328679,,0,,0,0,0,0,UP,1,1,0,0,0,70698,0,,2,18,4,,28,,2,0,,1,L4OK,,0,0,18,8,2,0,0,0,,,,0,0,,,,,1418,,,0,0,1,49, be_static,host7,0,0,0,1,,28,15258,1965185,,0,,0,0,0,0,UP,1,1,0,0,0,70698,0,,2,18,5,,28,,2,0,,1,L4OK,,0,0,17,8,3,0,0,0,,,,0,0,,,,,935,,,0,0,1,28, be_static,host8,0,0,0,1,,28,12934,1034779,,0,,0,0,0,0,UP,1,1,0,0,0,70698,0,,2,18,6,,28,,2,0,,1,L4OK,,0,0,17,9,2,0,0,0,,,,0,0,,,,,582,,,0,1,1,66, be_static,host9,0,0,0,1,,28,13434,134063,,0,,0,0,0,0,UP,1,1,0,0,0,70698,0,,2,18,7,,28,,2,0,,1,L4OK,,0,0,17,8,3,0,0,0,,,,0,0,,,,,539,,,0,0,1,80, be_static,host1,0,0,0,1,,28,7873,1209688,,0,,0,0,0,0,UP,1,1,0,0,0,70698,0,,2,18,8,,28,,2,0,,1,L4OK,,0,0,22,6,0,0,0,0,,,,0,0,,,,,487,,,0,0,1,36, be_static,host2,0,0,0,1,,28,13830,1085929,,0,,0,0,0,0,UP,1,1,0,0,0,70698,0,,2,18,9,,28,,2,0,,1,L4OK,,0,0,19,6,3,0,0,0,,,,0,0,,,,,338,,,0,1,1,38, be_static,host3,0,0,0,1,,28,17959,1259760,,0,,0,0,0,0,UP,1,1,0,0,0,70698,0,,2,18,10,,28,,2,0,,1,L4OK,,1,0,20,6,2,0,0,0,,,,0,0,,,,,92,,,0,1,1,17, be_static,BACKEND,0,0,0,2,200,307,160276,13322728,0,0,,0,0,0,0,UP,11,11,0,,0,70698,0,,2,18,0,,307,,1,0,,4,,,,0,205,73,29,0,0,,,,,0,0,0,0,0,0,92,,,0,1,3,381, be_app,host0,0,0,1,32,,171014,510913516,2193856571,,0,,0,1,1,0,UP,100,1,0,1,0,70698,0,,2,19,1,,171013,,2,3,,12,L7OK,301,10,0,119534,48051,2345,1056,0,0,,,,73,1,,,,,0,Moved Permanently,,0,2,312,2341, be_app,host4,0,0,2,29,,171013,499318742,2195595896,12,34,,0,2,0,0,UP,100,1,0,2,0,70698,0,,2,19,2,,171013,,2,3,,12,L7OK,301,12,0,119572,47882,2441,1088,0,0,,,,84,2,,,,,0,Moved Permanently,,0,2,316,2355, `