315 lines
8.0 KiB
Go
315 lines
8.0 KiB
Go
package phpfpm
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import (
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"crypto/rand"
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"encoding/binary"
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"fmt"
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"net"
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"net/http"
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"net/http/fcgi"
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"net/http/httptest"
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"testing"
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"github.com/influxdata/telegraf/testutil"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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type statServer struct{}
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// We create a fake server to return test data
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func (s statServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "text/plain")
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w.Header().Set("Content-Length", fmt.Sprint(len(outputSample)))
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fmt.Fprint(w, outputSample)
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}
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func TestPhpFpmGeneratesMetrics_From_Http(t *testing.T) {
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sv := statServer{}
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ts := httptest.NewServer(sv)
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defer ts.Close()
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r := &phpfpm{
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Urls: []string{ts.URL},
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}
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var acc testutil.Accumulator
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err := acc.GatherError(r.Gather)
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require.NoError(t, err)
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tags := map[string]string{
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"pool": "www",
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"url": ts.URL,
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}
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fields := map[string]interface{}{
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"start_since": int64(1991),
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"accepted_conn": int64(3),
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"listen_queue": int64(1),
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"max_listen_queue": int64(0),
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"listen_queue_len": int64(0),
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"idle_processes": int64(1),
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"active_processes": int64(1),
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"total_processes": int64(2),
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"max_active_processes": int64(1),
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"max_children_reached": int64(2),
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"slow_requests": int64(1),
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}
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acc.AssertContainsTaggedFields(t, "phpfpm", fields, tags)
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}
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func TestPhpFpmGeneratesMetrics_From_Fcgi(t *testing.T) {
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// Let OS find an available port
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tcp, err := net.Listen("tcp", "127.0.0.1:0")
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if err != nil {
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t.Fatal("Cannot initialize test server")
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}
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defer tcp.Close()
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s := statServer{}
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go fcgi.Serve(tcp, s)
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//Now we tested again above server
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r := &phpfpm{
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Urls: []string{"fcgi://" + tcp.Addr().String() + "/status"},
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}
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var acc testutil.Accumulator
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err = acc.GatherError(r.Gather)
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require.NoError(t, err)
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tags := map[string]string{
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"pool": "www",
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"url": r.Urls[0],
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}
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fields := map[string]interface{}{
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"start_since": int64(1991),
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"accepted_conn": int64(3),
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"listen_queue": int64(1),
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"max_listen_queue": int64(0),
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"listen_queue_len": int64(0),
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"idle_processes": int64(1),
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"active_processes": int64(1),
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"total_processes": int64(2),
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"max_active_processes": int64(1),
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"max_children_reached": int64(2),
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"slow_requests": int64(1),
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}
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acc.AssertContainsTaggedFields(t, "phpfpm", fields, tags)
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}
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func TestPhpFpmGeneratesMetrics_From_Socket(t *testing.T) {
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// Create a socket in /tmp because we always have write permission and if the
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// removing of socket fail when system restart /tmp is clear so
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// we don't have junk files around
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var randomNumber int64
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binary.Read(rand.Reader, binary.LittleEndian, &randomNumber)
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tcp, err := net.Listen("unix", fmt.Sprintf("/tmp/test-fpm%d.sock", randomNumber))
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if err != nil {
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t.Fatal("Cannot initialize server on port ")
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}
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defer tcp.Close()
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s := statServer{}
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go fcgi.Serve(tcp, s)
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r := &phpfpm{
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Urls: []string{tcp.Addr().String()},
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}
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var acc testutil.Accumulator
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err = acc.GatherError(r.Gather)
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require.NoError(t, err)
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tags := map[string]string{
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"pool": "www",
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"url": r.Urls[0],
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}
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fields := map[string]interface{}{
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"start_since": int64(1991),
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"accepted_conn": int64(3),
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"listen_queue": int64(1),
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"max_listen_queue": int64(0),
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"listen_queue_len": int64(0),
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"idle_processes": int64(1),
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"active_processes": int64(1),
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"total_processes": int64(2),
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"max_active_processes": int64(1),
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"max_children_reached": int64(2),
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"slow_requests": int64(1),
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}
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acc.AssertContainsTaggedFields(t, "phpfpm", fields, tags)
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}
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func TestPhpFpmGeneratesMetrics_From_Multiple_Sockets_With_Glob(t *testing.T) {
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// Create a socket in /tmp because we always have write permission and if the
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// removing of socket fail when system restart /tmp is clear so
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// we don't have junk files around
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var randomNumber int64
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binary.Read(rand.Reader, binary.LittleEndian, &randomNumber)
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socket1 := fmt.Sprintf("/tmp/test-fpm%d.sock", randomNumber)
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tcp1, err := net.Listen("unix", socket1)
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if err != nil {
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t.Fatal("Cannot initialize server on port ")
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}
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defer tcp1.Close()
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binary.Read(rand.Reader, binary.LittleEndian, &randomNumber)
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socket2 := fmt.Sprintf("/tmp/test-fpm%d.sock", randomNumber)
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tcp2, err := net.Listen("unix", socket2)
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if err != nil {
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t.Fatal("Cannot initialize server on port ")
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}
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defer tcp2.Close()
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s := statServer{}
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go fcgi.Serve(tcp1, s)
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go fcgi.Serve(tcp2, s)
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r := &phpfpm{
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Urls: []string{"/tmp/test-fpm[\\-0-9]*.sock"},
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}
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var acc1, acc2 testutil.Accumulator
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err = acc1.GatherError(r.Gather)
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require.NoError(t, err)
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err = acc2.GatherError(r.Gather)
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require.NoError(t, err)
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tags1 := map[string]string{
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"pool": "www",
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"url": socket1,
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}
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tags2 := map[string]string{
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"pool": "www",
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"url": socket2,
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}
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fields := map[string]interface{}{
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"start_since": int64(1991),
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"accepted_conn": int64(3),
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"listen_queue": int64(1),
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"max_listen_queue": int64(0),
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"listen_queue_len": int64(0),
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"idle_processes": int64(1),
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"active_processes": int64(1),
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"total_processes": int64(2),
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"max_active_processes": int64(1),
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"max_children_reached": int64(2),
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"slow_requests": int64(1),
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}
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acc1.AssertContainsTaggedFields(t, "phpfpm", fields, tags1)
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acc2.AssertContainsTaggedFields(t, "phpfpm", fields, tags2)
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}
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func TestPhpFpmGeneratesMetrics_From_Socket_Custom_Status_Path(t *testing.T) {
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// Create a socket in /tmp because we always have write permission. If the
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// removing of socket fail we won't have junk files around. Cuz when system
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// restart, it clears out /tmp
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var randomNumber int64
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binary.Read(rand.Reader, binary.LittleEndian, &randomNumber)
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tcp, err := net.Listen("unix", fmt.Sprintf("/tmp/test-fpm%d.sock", randomNumber))
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if err != nil {
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t.Fatal("Cannot initialize server on port ")
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}
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defer tcp.Close()
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s := statServer{}
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go fcgi.Serve(tcp, s)
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r := &phpfpm{
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Urls: []string{tcp.Addr().String() + ":custom-status-path"},
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}
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var acc testutil.Accumulator
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err = acc.GatherError(r.Gather)
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require.NoError(t, err)
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tags := map[string]string{
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"pool": "www",
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"url": r.Urls[0],
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}
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fields := map[string]interface{}{
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"start_since": int64(1991),
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"accepted_conn": int64(3),
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"listen_queue": int64(1),
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"max_listen_queue": int64(0),
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"listen_queue_len": int64(0),
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"idle_processes": int64(1),
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"active_processes": int64(1),
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"total_processes": int64(2),
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"max_active_processes": int64(1),
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"max_children_reached": int64(2),
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"slow_requests": int64(1),
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}
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acc.AssertContainsTaggedFields(t, "phpfpm", fields, tags)
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}
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//When not passing server config, we default to localhost
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//We just want to make sure we did request stat from localhost
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func TestPhpFpmDefaultGetFromLocalhost(t *testing.T) {
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r := &phpfpm{}
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var acc testutil.Accumulator
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err := acc.GatherError(r.Gather)
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require.Error(t, err)
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assert.Contains(t, err.Error(), "127.0.0.1/status")
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}
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func TestPhpFpmGeneratesMetrics_Throw_Error_When_Fpm_Status_Is_Not_Responding(t *testing.T) {
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r := &phpfpm{
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Urls: []string{"http://aninvalidone"},
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}
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var acc testutil.Accumulator
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err := acc.GatherError(r.Gather)
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require.Error(t, err)
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assert.Contains(t, err.Error(), `Unable to connect to phpfpm status page 'http://aninvalidone': Get http://aninvalidone: dial tcp: lookup aninvalidone`)
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}
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func TestPhpFpmGeneratesMetrics_Throw_Error_When_Socket_Path_Is_Invalid(t *testing.T) {
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r := &phpfpm{
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Urls: []string{"/tmp/invalid.sock"},
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}
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var acc testutil.Accumulator
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err := acc.GatherError(r.Gather)
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require.Error(t, err)
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assert.Equal(t, `dial unix /tmp/invalid.sock: connect: no such file or directory`, err.Error())
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}
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const outputSample = `
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pool: www
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process manager: dynamic
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start time: 11/Oct/2015:23:38:51 +0000
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start since: 1991
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accepted conn: 3
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listen queue: 1
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max listen queue: 0
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listen queue len: 0
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idle processes: 1
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active processes: 1
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total processes: 2
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max active processes: 1
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max children reached: 2
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slow requests: 1
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`
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