Dynamically assign port for pprof

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
     timeout-minutes: 1
     strategy:
       matrix:
-        go-version: ['>=1.20.6']
+        go-version: ['>=1.20.7']
         platform: [ubuntu-22.04]
     runs-on: ${{ matrix.platform }}
     steps:
@@ -68,7 +68,7 @@ jobs:
     timeout-minutes: 7
     strategy:
       matrix:
-        go-version: ['>=1.20.6']
+        go-version: ['>=1.20.7']
         platform: [ubuntu-22.04]
     runs-on: ${{ matrix.platform }}
     steps:
@@ -102,7 +102,7 @@ jobs:
     timeout-minutes: 6
     strategy:
       matrix:
-        go-version: ['>=1.20.6']
+        go-version: ['>=1.20.7']
         platform: [ubuntu-22.04]
     runs-on: ${{ matrix.platform }}
     steps:
@@ -208,7 +208,7 @@ jobs:
     timeout-minutes: 3
     strategy:
       matrix:
-        go-version: ['>=1.20.6']
+        go-version: ['>=1.20.7']
         platform: [ubuntu-22.04]
     runs-on: ${{ matrix.platform }}
     steps:
@@ -252,7 +252,7 @@ jobs:
   #   timeout-minutes: 2
   #   strategy:
   #     matrix:
-  #       go-version: ['>=1.20.6']
+  #       go-version: ['>=1.20.7']
   #       platform: [ubuntu-22.04]
   #   runs-on: ${{ matrix.platform }}
   #   steps:

CHANGELOG.md

@@ -3,6 +3,9 @@
 Most recent version is listed first.  
 
 
+# v0.0.70
+- ong/server: Dynamically assign port for pprof: https://github.com/komuw/ong/pull/343
+
 # v0.0.69
 - ong/server: Bugfix; add ability to use mutual TLS authentication: https://github.com/komuw/ong/pull/335
 

example/integration_test.go

@@ -43,7 +43,7 @@ func TestIntegration(t *testing.T) {
 
 	t.Run("pprof", func(t *testing.T) {
 		c := &http.Client{}
-		res, err := c.Get("http://127.0.0.1:65060/debug/pprof/profile?seconds=3")
+		res, err := c.Get("http://127.0.0.1:65079/debug/pprof/profile?seconds=3")
 		attest.Ok(t, err)
 		defer res.Body.Close()
 		attest.Equal(t, res.StatusCode, http.StatusOK)

go.mod

@@ -3,10 +3,10 @@ module github.com/komuw/ong
 go 1.20
 
 require (
-	golang.org/x/crypto v0.11.0
-	golang.org/x/exp v0.0.0-20230626212559-97b1e661b5df
-	golang.org/x/net v0.12.0
-	golang.org/x/sys v0.10.0
+	golang.org/x/crypto v0.12.0
+	golang.org/x/exp v0.0.0-20230801115018-d63ba01acd4b
+	golang.org/x/net v0.14.0
+	golang.org/x/sys v0.11.0
 )
 
 require (
@@ -16,21 +16,21 @@ require (
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/rs/dnscache v0.0.0-20230804202142-fc85eb664529 // indirect
 	github.com/tmthrgd/httputils v0.0.0-20190904060602-27fdf7d93acd // indirect
-	go.uber.org/atomic v1.11.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/sync v0.3.0 // indirect
-	golang.org/x/text v0.11.0 // indirect
+	golang.org/x/text v0.12.0 // indirect
 )
 
 require (
 	github.com/NYTimes/gziphandler v1.1.1 // test
 	github.com/klauspost/compress v1.16.7 // test
-	github.com/rs/zerolog v1.29.1 // test
+	github.com/rs/zerolog v1.30.0 // test
 	github.com/sirupsen/logrus v1.9.3 // test
 	github.com/tmthrgd/gziphandler v0.0.0-20210130054451-9e3dc377f14f // test
-	github.com/tsenart/vegeta/v12 v12.8.4 // test
+	github.com/tsenart/vegeta/v12 v12.11.0 // test
 	go.akshayshah.org/attest v1.0.2 // test
 	go.uber.org/goleak v1.2.1 // test
-	go.uber.org/zap v1.24.0 // test
+	go.uber.org/zap v1.25.0 // test
 )

go.sum

@@ -1,38 +1,22 @@
 github.com/NYTimes/gziphandler v1.1.1 h1:ZUDjpQae29j0ryrS0u/B8HZfJBtBQHjqw2rQ2cqUQ3I=
 github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
-github.com/alecthomas/jsonschema v0.0.0-20180308105923-f2c93856175a/go.mod h1:qpebaTNSsyUn5rPSJMsfqEtDw71TTggXM6stUDI16HA=
-github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
-github.com/bmizerany/perks v0.0.0-20141205001514-d9a9656a3a4b h1:AP/Y7sqYicnjGDfD5VcY4CIfh1hRXBUavxrvELjTiOE=
-github.com/bmizerany/perks v0.0.0-20141205001514-d9a9656a3a4b/go.mod h1:ac9efd0D1fsDb3EJvhqgXRbFx7bs2wqZ10HQPeU8U/Q=
-github.com/c2h5oh/datasize v0.0.0-20171227191756-4eba002a5eae/go.mod h1:S/7n9copUssQ56c7aAgHqftWO4LTf4xY6CGWt8Bc+3M=
+github.com/benbjohnson/clock v1.3.0 h1:ip6w0uFQkncKQ979AypyG0ER7mqUSBdKLOgAle/AT8A=
+github.com/bmizerany/perks v0.0.0-20230307044200-03f9df79da1e h1:mWOqoK5jV13ChKf/aF3plwQ96laasTJgZi4f1aSOu+M=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dgryski/go-gk v0.0.0-20140819190930-201884a44051 h1:ByJUvQYyTtNNCVfYNM48q6uYUT4fAlN0wNmd3th4BSo=
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-github.com/dgryski/go-lttb v0.0.0-20180810165845-318fcdf10a77/go.mod h1:Va5MyIzkU0rAM92tn3hb3Anb7oz7KcnixF49+2wOMe4=
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 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
-github.com/gonum/blas v0.0.0-20181208220705-f22b278b28ac/go.mod h1:P32wAyui1PQ58Oce/KYkOqQv8cVw1zAapXOl+dRFGbc=
-github.com/gonum/diff v0.0.0-20181124234638-500114f11e71/go.mod h1:22dM4PLscQl+Nzf64qNBurVJvfyvZELT0iRW2l/NN70=
-github.com/gonum/floats v0.0.0-20181209220543-c233463c7e82/go.mod h1:PxC8OnwL11+aosOB5+iEPoV3picfs8tUpkVd0pDo+Kg=
-github.com/gonum/integrate v0.0.0-20181209220457-a422b5c0fdf2/go.mod h1:pDgmNM6seYpwvPos3q+zxlXMsbve6mOIPucUnUOrI7Y=
-github.com/gonum/internal v0.0.0-20181124074243-f884aa714029/go.mod h1:Pu4dmpkhSyOzRwuXkOgAvijx4o+4YMUJJo9OvPYMkks=
-github.com/gonum/lapack v0.0.0-20181123203213-e4cdc5a0bff9/go.mod h1:XA3DeT6rxh2EAE789SSiSJNqxPaC0aE9J8NTOI0Jo/A=
-github.com/gonum/mathext v0.0.0-20181121095525-8a4bf007ea55/go.mod h1:fmo8aiSEWkJeiGXUJf+sPvuDgEFgqIoZSs843ePKrGg=
-github.com/gonum/matrix v0.0.0-20181209220409-c518dec07be9/go.mod h1:0EXg4mc1CNP0HCqCz+K4ts155PXIlUywf0wqN+GfPZw=
-github.com/gonum/stat v0.0.0-20181125101827-41a0da705a5b/go.mod h1:Z4GIJBJO3Wa4gD4vbwQxXXZ+WHmW6E9ixmNrwvs0iZs=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/influxdata/tdigest v0.0.0-20180711151920-a7d76c6f093a/go.mod h1:9GkyshztGufsdPQWjH+ifgnIr3xNUL5syI70g2dzU1o=
 github.com/influxdata/tdigest v0.0.1 h1:XpFptwYmnEKUqmkcDjrzffswZ3nvNeevbUSLPP/ZzIY=
 github.com/influxdata/tdigest v0.0.1/go.mod h1:Z0kXnxzbTC2qrx4NaIzYkE1k66+6oEDQTvL95hQFh5Y=
 github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
 github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
 github.com/klauspost/compress v1.16.7 h1:2mk3MPGNzKyxErAw8YaohYh69+pa4sIQSC0fPGCFR9I=
 github.com/klauspost/compress v1.16.7/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
-github.com/mailru/easyjson v0.7.0/go.mod h1:KAzv3t3aY1NaHWoQz1+4F1ccyAH66Jk7yos7ldAVICs=
 github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0=
 github.com/mailru/easyjson v0.7.7/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
 github.com/mattn/go-colorable v0.1.12/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
@@ -42,77 +26,59 @@ github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27k
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
 github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA=
 github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
-github.com/miekg/dns v1.1.17/go.mod h1:WgzbA6oji13JREwiNsRDNfl7jYdPnmz+VEuLrA+/48M=
-github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/rs/xid v1.4.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
-github.com/rs/zerolog v1.29.1 h1:cO+d60CHkknCbvzEWxP0S9K6KqyTjrCNUy1LdQLCGPc=
-github.com/rs/zerolog v1.29.1/go.mod h1:Le6ESbR7hc+DP6Lt1THiV8CQSdkkNrd3R0XbEgp3ZBU=
+github.com/rs/dnscache v0.0.0-20230804202142-fc85eb664529 h1:18kd+8ZUlt/ARXhljq+14TwAoKa61q6dX8jtwOf6DH8=
+github.com/rs/dnscache v0.0.0-20230804202142-fc85eb664529/go.mod h1:qe5TWALJ8/a1Lqznoc5BDHpYX/8HU60Hm2AwRmqzxqA=
+github.com/rs/xid v1.5.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
+github.com/rs/zerolog v1.30.0 h1:SymVODrcRsaRaSInD9yQtKbtWqwsfoPcRff/oRXLj4c=
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-github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PKk=
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-github.com/tsenart/vegeta/v12 v12.8.4/go.mod h1:ZiJtwLn/9M4fTPdMY7bdbIeyNeFVE8/AHbWFqCsUuho=
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-go.uber.org/atomic v1.11.0 h1:ZvwS0R+56ePWxUNi+Atn9dWONBPp/AUETXlHW0DxSjE=
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+golang.org/x/net v0.14.0/go.mod h1:PpSgVXXLK0OxS0F31C1/tv6XNguvCrnXIDrFMspZIUI=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E=
 golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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-golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
-golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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-golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
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-golang.org/x/text v0.11.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
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 golang.org/x/tools v0.0.0-20180525024113-a5b4c53f6e8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
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-golang.org/x/tools v0.0.0-20190907020128-2ca718005c18/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gonum.org/v1/gonum v0.0.0-20181121035319-3f7ecaa7e8ca h1:PupagGYwj8+I4ubCxcmcBRk3VlUWtTg5huQpZR9flmE=
 gonum.org/v1/gonum v0.0.0-20181121035319-3f7ecaa7e8ca/go.mod h1:Y+Yx5eoAFn32cQvJDxZx5Dpnq+c3wtXuadVZAcxbbBo=
 gonum.org/v1/netlib v0.0.0-20181029234149-ec6d1f5cefe6/go.mod h1:wa6Ws7BG/ESfp6dHfk7C6KdzKA7wR7u/rKwOGE66zvw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
-pgregory.net/rapid v0.3.3 h1:jCjBsY4ln4Atz78QoBWxUEvAHaFyNDQg9+WU62aCn1U=
-pgregory.net/rapid v0.3.3/go.mod h1:UYpPVyjFHzYBGHIxLFoupi8vwk6rXNzRY9OMvVxFIOU=
+pgregory.net/rapid v1.0.0 h1:iQaM2w5PZ6xvt6x7hbd7tiDS+nk7YPp5uCaEba+T/F4=

server/pprof.go

@@ -16,7 +16,7 @@ import (
 /*
 example usage:
 
-	go tool pprof  http://localhost:65060/debug/pprof/heap
+	go tool pprof  http://localhost:65079/debug/pprof/heap
 */
 func startPprofServer(logger *slog.Logger, o Opts) {
 	// This is taken from: https://github.com/golang/go/blob/go1.18.3/src/net/http/pprof/pprof.go#L80-L86
@@ -31,8 +31,7 @@ func startPprofServer(logger *slog.Logger, o Opts) {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
-	port := 65060
-	addr := fmt.Sprintf("127.0.0.1:%d", port)
+	addr := fmt.Sprintf("127.0.0.1:%s", o.pprofPort)
 	readHeader, read, write, idle := pprofTimeouts()
 
 	pprofSrv := &http.Server{
@@ -70,9 +69,9 @@ func pprofTimeouts() (readHeader, read, write, idle time.Duration) {
 	/*
 		The pprof tool supports fetching profles by duration.
 		eg; fetch cpu profile for the last 5mins(300sec):
-			go tool pprof http://localhost:65060/debug/pprof/profile?seconds=300
+			go tool pprof http://localhost:65079/debug/pprof/profile?seconds=300
 		This may fail with an error like:
-			http://localhost:65060/debug/pprof/profile?seconds=300: server response: 400 Bad Request - profile duration exceeds server's WriteTimeout
+			http://localhost:65079/debug/pprof/profile?seconds=300: server response: 400 Bad Request - profile duration exceeds server's WriteTimeout
 		So we need to be generous with our timeouts. Which is okay since pprof runs in a mux that is not exposed to the internet(localhost)
 	*/
 	readHeader = 7 * time.Second

server/pprof_test.go

@@ -17,15 +17,15 @@ func TestPprofServer(t *testing.T) {
 	t.Parallel()
 
 	l := log.New(&bytes.Buffer{}, 500)(context.Background())
-	o := Opts{serverLogLevel: defaultServerLogLevel}
+	port := 65079
+	o := Opts{serverLogLevel: defaultServerLogLevel, pprofPort: fmt.Sprintf("%d", port)}
 
 	t.Run("success", func(t *testing.T) {
 		t.Parallel()
 
 		startPprofServer(l, o)
 
 		// await for the server to start.
-		port := 65060
 		ping(t, uint16(port))
 
 		uri := "/debug/pprof/heap"
@@ -42,7 +42,6 @@ func TestPprofServer(t *testing.T) {
 		startPprofServer(l, o)
 
 		// await for the server to start.
-		port := 65060
 		ping(t, uint16(port))
 
 		runhandler := func() {

server/server.go

@@ -86,6 +86,7 @@ type Opts struct {
 	serverAddress string
 	network       string
 	httpPort      string
+	pprofPort     string
 }
 
 // Equal compares two Opts for equality.
@@ -156,6 +157,7 @@ func NewOpts(
 	if port != 443 {
 		httpPort = port - 1
 	}
+	pprofPort := httpPort - 1
 
 	if maxBodyBytes <= 0 {
 		maxBodyBytes = defaultMaxBodyBytes
@@ -192,6 +194,7 @@ func NewOpts(
 		serverAddress: serverAddress,
 		network:       "tcp",
 		httpPort:      fmt.Sprintf(":%d", httpPort),
+		pprofPort:     fmt.Sprintf("%d", pprofPort),
 	}
 }
 

server/server_test.go

@@ -94,6 +94,7 @@ func TestOpts(t *testing.T) {
 			serverPort:        ":65081",
 			serverAddress:     "127.0.0.1:65081",
 			httpPort:          ":65080",
+			pprofPort:         "65079",
 			tls: tlsOpts{
 				certFile:         "/tmp/ong_dev_certificate.pem",
 				keyFile:          "/tmp/ong_dev_key.pem",
@@ -124,6 +125,7 @@ func TestOpts(t *testing.T) {
 			serverPort:        ":80",
 			serverAddress:     "0.0.0.0:80",
 			httpPort:          ":79",
+			pprofPort:         "78",
 			tls: tlsOpts{
 				certFile:         "/tmp/ong_dev_certificate.pem",
 				keyFile:          "/tmp/ong_dev_key.pem",
@@ -159,6 +161,7 @@ func TestOpts(t *testing.T) {
 			serverPort:    ":65081",
 			serverAddress: "127.0.0.1:65081",
 			httpPort:      ":65080",
+			pprofPort:     "65079",
 		}
 		attest.Equal(t, got, want)
 	})