diff --git a/.travis.yml b/.travis.yml index 3958b1a..ebf6d5b 100644 --- a/.travis.yml +++ b/.travis.yml @@ -4,7 +4,7 @@ dist: focal language: go go: - - 1.17.4 + - 1.23.1 before_script: - sudo apt-get install varnish -y diff --git a/README.md b/README.md index b6bbb15..6c7a0a3 100644 --- a/README.md +++ b/README.md @@ -65,9 +65,7 @@ To aggregate all loaded VCLs into per-backend metric the following Prometheus [r **One time setup** -This repot support go modules so out of `GOPATH` builds are supported. This makes development and buildings easier for go "novices". - -You need go 1.11 or higher, otherwise you can keep using `GOPATH` based development ([see old README](https://github.com/jonnenauha/prometheus_varnish_exporter/blob/1.4.1/README.md#build)). +This repository uses go modules. This makes development and buildings easier for go "novices". You need go 1.22 or higher. 1. [Install latest go](https://golang.org/doc/install) or use OS repos `golang` package. diff --git a/build.sh b/build.sh index 99e8c8f..0bf8e31 100755 --- a/build.sh +++ b/build.sh @@ -1,8 +1,8 @@ -#!/bin/bash +#!/bin/env bash set -e -if [ ! -e main.go ] ; then +if [ ! -e main.go ]; then echo "Error: Script can only be ran on the root of the source tree" exit 1 fi @@ -23,44 +23,47 @@ if [ -z "$VERSION" ]; then exit 1 fi -tar -cvzf ./bin/release/dashboards-$VERSION.tar.gz dashboards/* > /dev/null 2>&1 +tar -cvzf "./bin/release/dashboards-${VERSION}.tar.gz" dashboards/* >/dev/null 2>&1 -for goos in linux darwin windows freebsd openbsd netbsd ; do +for goos in linux darwin windows freebsd openbsd netbsd; do + # shellcheck disable=SC2043 for goarch in amd64; do # path file_versioned="prometheus_varnish_exporter-$VERSION.$goos-$goarch" outdir="bin/build/$file_versioned" path="$outdir/prometheus_varnish_exporter" - if [ $goos = windows ] ; then + if [ $goos = windows ]; then path=$path.exe fi - mkdir -p $outdir - cp LICENSE CHANGELOG.md README.md $outdir/ + mkdir -p "$outdir" + cp LICENSE CHANGELOG.md README.md "$outdir/" # build echo -e "\nBuilding $goos/$goarch" - GOOS=$goos GOARCH=$goarch go build -o $path -ldflags "-X 'main.Version=$VERSION' -X 'main.VersionHash=$VERSION_HASH' -X 'main.VersionDate=$VERSION_DATE'" - echo " > `du -hc $path | awk 'NR==1{print $1;}'` `file $path`" + GOOS=$goos GOARCH=$goarch go build -o "$path" -ldflags "-X 'main.Version=$VERSION' -X 'main.VersionHash=$VERSION_HASH' -X 'main.VersionDate=$VERSION_DATE'" + echo " > $(du -hc "$path" | awk 'NR==1{print $1;}') $(file "$path")" # compress (for unique filenames to github release files) - tar -C ./bin/build -cvzf ./bin/release/$file_versioned.tar.gz $file_versioned > /dev/null 2>&1 + tar -C ./bin/build -cvzf "./bin/release/${file_versioned}.tar.gz" "$file_versioned" >/dev/null 2>&1 done done -go env > .goenv +go env >.goenv source .goenv rm .goenv -echo -e "\nRelease done: $(./bin/build/prometheus_varnish_exporter-$VERSION.$GOOS-$GOARCH/prometheus_varnish_exporter --version)" -for goos in linux darwin windows freebsd openbsd netbsd ; do +# shellcheck disable=SC2153 +echo -e "\nRelease done: $("./bin/build/prometheus_varnish_exporter-${VERSION}.${GOOS}-${GOARCH}/prometheus_varnish_exporter" --version)" +for goos in linux darwin windows freebsd openbsd netbsd; do + # shellcheck disable=SC2043 for goarch in amd64; do file_versioned="prometheus_varnish_exporter-$VERSION.$goos-$goarch" path=bin/release/$file_versioned.tar.gz - echo " > `du -hc $path | awk 'NR==1{print $1;}'` $path" + echo " > $(du -hc "$path" | awk 'NR==1{print $1;}') $path" done done cd ./bin/release -shasum --algorithm 256 --binary ./* | sed -En "s/\*\.\/(.*)$/\1/p" > sha256sums.txt +shasum --algorithm 256 --binary ./* | sed -En "s/\*\.\/(.*)$/\1/p" >sha256sums.txt cd ../.. diff --git a/go.mod b/go.mod index 1bc01bc..61ed24f 100644 --- a/go.mod +++ b/go.mod @@ -1,5 +1,16 @@ module github.com/jonnenauha/prometheus_varnish_exporter -go 1.12 +go 1.22 -require github.com/prometheus/client_golang v1.11.0 +require github.com/prometheus/client_golang v1.19.1 + +require ( + github.com/beorn7/perks v1.0.1 // indirect + github.com/cespare/xxhash/v2 v2.3.0 // indirect + github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect + github.com/prometheus/client_model v0.6.1 // indirect + github.com/prometheus/common v0.55.0 // indirect + github.com/prometheus/procfs v0.15.1 // indirect + golang.org/x/sys v0.21.0 // indirect + google.golang.org/protobuf v1.34.2 // indirect +) diff --git a/go.sum b/go.sum index 6a42e5c..d686d9a 100644 --- a/go.sum +++ b/go.sum @@ -1,138 +1,34 @@ -cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= -github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= -github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod 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h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= +golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws= +golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= +google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI= +google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos= +google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg= +google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw= diff --git a/prometheus.go b/prometheus.go index c54f642..91461ff 100644 --- a/prometheus.go +++ b/prometheus.go @@ -114,25 +114,25 @@ type group struct { var ( groups = []group{ - group{name: "backend", prefixes: []string{ + {name: "backend", prefixes: []string{ "vbe.", }}, - group{name: "mempool", prefixes: []string{ + {name: "mempool", prefixes: []string{ "mempool.", }}, - group{name: "lck", prefixes: []string{ + {name: "lck", prefixes: []string{ "lck.", }}, - group{name: "sma", prefixes: []string{ + {name: "sma", prefixes: []string{ "sma.", }}, - group{name: "smf", prefixes: []string{ + {name: "smf", prefixes: []string{ "smf.", }}, - group{name: "mgt", prefixes: []string{ + {name: "mgt", prefixes: []string{ "mgt.", }}, - group{name: "main", prefixes: []string{ + {name: "main", prefixes: []string{ "main.", }}, } @@ -148,18 +148,18 @@ type grouping struct { var ( fqGroupPrefixes = []*grouping{ - &grouping{ + { prefix: "main_fetch", total: "main_s_fetch", desc: "Number of fetches", }, - &grouping{ + { newPrefix: "main_sessions", prefix: "main_sess", total: "main_s_sess", desc: "Number of sessions", }, - &grouping{ + { newPrefix: "main_worker_threads", prefix: "main_n_wrk", total: "main_n_wrk", @@ -229,7 +229,7 @@ func cleanBackendName(name string) string { if strings.HasPrefix(name, "reload_") { dot := strings.Index(name, ".") if dot != -1 { - name = name[dot + 1:] + name = name[dot+1:] } } diff --git a/varnish.go b/varnish.go index 9d74ba5..8311145 100644 --- a/varnish.go +++ b/varnish.go @@ -125,7 +125,7 @@ func ScrapeVarnishFrom(buf []byte, ch chan<- prometheus.Metric) ([]byte, error) ) flag, _ := stringProperty(data, "flag") - if value, ok := data["description"]; ok && vErr == nil { + if value, ok := data["description"]; ok { if vDescription, ok = value.(string); !ok { vErr = fmt.Errorf("%s description it not a string", vName) } @@ -227,7 +227,7 @@ func executeVarnishstat(varnishstatExe string, params ...string) (*bytes.Buffer, // 'VBE.reload_20191014_091124_78599' as by varnishreload in 6+ func findMostRecentVbeReloadPrefix(countersJSON map[string]interface{}) string { var mostRecentVbeReloadPrefix string - for vName, _ := range countersJSON { + for vName := range countersJSON { // Checking only the required ".happy" stat if strings.HasPrefix(vName, vbeReload) && strings.HasSuffix(vName, ".happy") { dotAfterPrefixIndex := len(vbeReload) + strings.Index(vName[len(vbeReload):], ".") diff --git a/varnish_test.go b/varnish_test.go index 9d6c103..d731444 100644 --- a/varnish_test.go +++ b/varnish_test.go @@ -15,31 +15,31 @@ var testFileVersions = []string{"3.0.5", "4.0.5", "4.1.1", "5.2.0", "6.0.0", "6. func Test_VarnishVersion(t *testing.T) { tests := map[string]*varnishVersion{ - "varnishstat (varnish-6.5.1 revision 1dae23376bb5ea7a6b8e9e4b9ed95cdc9469fb64)": &varnishVersion{ + "varnishstat (varnish-6.5.1 revision 1dae23376bb5ea7a6b8e9e4b9ed95cdc9469fb64)": { Major: 6, Minor: 5, Patch: 1, Revision: "1dae23376bb5ea7a6b8e9e4b9ed95cdc9469fb64", }, - "varnishstat (varnish-6.0.0 revision a068361dff0d25a0d85cf82a6e5fdaf315e06a7d)": &varnishVersion{ + "varnishstat (varnish-6.0.0 revision a068361dff0d25a0d85cf82a6e5fdaf315e06a7d)": { Major: 6, Minor: 0, Patch: 0, Revision: "a068361dff0d25a0d85cf82a6e5fdaf315e06a7d", }, - "varnishstat (varnish-5.2.0 revision 4c4875cbf)": &varnishVersion{ + "varnishstat (varnish-5.2.0 revision 4c4875cbf)": { Major: 5, Minor: 2, Patch: 0, Revision: "4c4875cbf", }, - "varnishstat (varnish-4.1.10 revision 1d090c5a08f41c36562644bafcce9d3cb85d824f)": &varnishVersion{ + "varnishstat (varnish-4.1.10 revision 1d090c5a08f41c36562644bafcce9d3cb85d824f)": { Major: 4, Minor: 1, Patch: 10, Revision: "1d090c5a08f41c36562644bafcce9d3cb85d824f", }, - "varnishstat (varnish-4.1.0 revision 3041728)": &varnishVersion{ + "varnishstat (varnish-4.1.0 revision 3041728)": { Major: 4, Minor: 1, Patch: 0, Revision: "3041728", }, - "varnishstat (varnish-4 revision)": &varnishVersion{ + "varnishstat (varnish-4 revision)": { Major: 4, Minor: -1, Patch: -1, }, - "varnishstat (varnish-3.0.5 revision 1a89b1f)": &varnishVersion{ + "varnishstat (varnish-3.0.5 revision 1a89b1f)": { Major: 3, Minor: 0, Patch: 5, Revision: "1a89b1f", }, - "varnish 2.0": &varnishVersion{ + "varnish 2.0": { Major: 2, Minor: 0, Patch: -1, }, - "varnish 1": &varnishVersion{ + "varnish 1": { Major: 1, Minor: -1, Patch: -1, }, } @@ -114,7 +114,7 @@ func Test_VarnishBackendNames(t *testing.T) { vIdentifier string vErr error ) - if value, ok := data["description"]; ok && vErr == nil { + if value, ok := data["description"]; ok { if vDescription, ok = value.(string); !ok { vErr = fmt.Errorf("%s description it not a string", vName) } @@ -266,7 +266,7 @@ func (tc *testCollector) Describe(ch chan<- *prometheus.Desc) { } func (tc *testCollector) Collect(ch chan<- prometheus.Metric) { - buf, err := ioutil.ReadFile(tc.filepath) + buf, err := os.ReadFile(tc.filepath) if err != nil { tc.t.Fatal(err.Error()) }