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Replace --arangodb.endpoint with environment variable #23

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e7f0b15
replace --arangodb.endpoint with env variable
shorman88 Dec 15, 2019
ded3191
update the usage
shorman88 Dec 15, 2019
8735c00
add edit by
shorman88 Jul 27, 2020
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5 changes: 4 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -6,10 +6,13 @@ in a format compatible with prometheus.
## Usage

To use the ArangoDB Exporter, run the following:
```

export DB_URL="http://arangodb_username:[email protected]:8529"

```
```bash
arangodb-exporter \
--arangodb.endpoint=http://<your-database-host>:8529 \
--arangodb.jwtsecret=<your-jwt-secret> \
--ssl.keyfile=<your-optional-ssl-keyfile>
```
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9 changes: 6 additions & 3 deletions main.go
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Expand Up @@ -18,7 +18,7 @@
// Copyright holder is ArangoDB GmbH, Cologne, Germany
//
// Author Ewout Prangsma
//
// Edited by Ayman Shorman

package main

Expand All @@ -29,6 +29,7 @@ import (
_ "net/http/pprof"
"strings"
"time"
"os"

"github.com/pkg/errors"
"github.com/prometheus/client_golang/prometheus"
Expand Down Expand Up @@ -62,7 +63,6 @@ func init() {
f.StringVar(&serverOptions.Address, "server.address", ":9101", "Address the exporter will listen on (IP:port)")
f.StringVar(&serverOptions.TLSKeyfile, "ssl.keyfile", "", "File containing TLS certificate used for the metrics server. Format equal to ArangoDB keyfiles")

f.StringVar(&arangodbOptions.endpoint, "arangodb.endpoint", "http://127.0.0.1:8529", "Endpoint used to reach the ArangoDB server")
f.StringVar(&arangodbOptions.jwtSecret, "arangodb.jwtsecret", "", "JWT Secret used for authentication with ArangoDB server")
f.StringVar(&arangodbOptions.jwtFile, "arangodb.jwt-file", "", "File containing the JWT for authentication with ArangoDB server")
f.DurationVar(&arangodbOptions.timeout, "arangodb.timeout", time.Second*15, "Timeout of statistics requests for ArangoDB")
Expand All @@ -78,6 +78,9 @@ func cmdMainRun(cmd *cobra.Command, args []string) {
log.Infoln(fmt.Sprintf("Starting arangodb-exporter %s, build %s", projectVersion, projectBuild))

var token string
var conn string
conn = os.Getenv("DB_URL")

if arangodbOptions.jwtFile != "" {
data, err := ioutil.ReadFile(arangodbOptions.jwtFile)
if err != nil {
Expand All @@ -92,7 +95,7 @@ func cmdMainRun(cmd *cobra.Command, args []string) {
}
}

exporter, err := NewExporter(arangodbOptions.endpoint, token, false, arangodbOptions.timeout)
exporter, err := NewExporter(conn, token, false, arangodbOptions.timeout)
if err != nil {
log.Fatal(err)
}
Expand Down