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Add CLI flag to return version info #73

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Merged
merged 2 commits into from
Jun 6, 2017
Merged

Add CLI flag to return version info #73

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af92f9e
Add CLI flag to return version info
May 15, 2017
a0740ef
Merge branch 'master' into add-cli-version-flag
wrouesnel Jun 6, 2017
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11 changes: 11 additions & 0 deletions postgres_exporter.go
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ import (
"net/url"
"os"
"regexp"
"runtime"
"strconv"
"sync"
"time"
Expand All @@ -23,6 +24,7 @@ import (
"github.com/prometheus/common/log"
)

// executable version (set at build time by make)
var Version string = "0.0.1"

var db *sql.DB = nil
Expand All @@ -44,6 +46,7 @@ var (
"dumpmaps", false,
"Do not run, simply dump the maps.",
)
showVersion = flag.Bool("version", false, "print version")
)

// Metric name parts.
Expand Down Expand Up @@ -967,6 +970,14 @@ func (e *Exporter) scrape(ch chan<- prometheus.Metric) {
func main() {
flag.Parse()

if *showVersion {
fmt.Printf(
"postgres_exporter %s (built with %s)\n",
Version, runtime.Version(),
)
return
}

if *onlyDumpMaps {
dumpMaps()
return
Expand Down