Merge pull request #12 from chatwork/timezone

Make timezone configurable

Author: ada-u

README.md

@@ -10,7 +10,7 @@ Prometheus exporter for SendGrid daily metrics exposed by SendGrid Stats API(v3)
 
 ```
 $ make
-$ ./exporter --sendgrid.api-key='secret' --web.listen-address=':9154' --web.disable-exporter-metrics
+$ ./dist/exporter --sendgrid.api-key='secret' --web.listen-address=':9154' --web.disable-exporter-metrics
 ```
 
 ```
@@ -31,6 +31,8 @@ Flags:
       --sendgrid.api-key="secret"
                               [Required] Set SendGrid API key
       --sendgrid.username=""  [Optional] Set SendGrid username as a label for each metrics. This is for identifying multiple SendGrid users metrics.
+      --sendgrid.location=""    [Optional] Set a zone name.(e.g. 'Asia/Tokyo') The default is UTC.
+      --sendgrid.time-offset=0  [Optional] Specify the offset in second from UTC as an integer.(e.g. '32400') This needs to be set along with location.
       --log.level=info        Only log messages with the given severity or above. One of: [debug, info, warn, error]
       --log.format=logfmt     Output format of log messages. One of: [logfmt, json]
       --version               Show application version.

charts/Chart.yaml

@@ -3,4 +3,4 @@ name: sendgrid-stats-exporter
 description: A Helm chart for chatwork/sendgrid-stats-exporter
 type: application
 version: 0.0.1
-appVersion: 0.0.3
+appVersion: 0.0.7

charts/README.md

@@ -39,6 +39,7 @@ The following table lists the configurable parameters of the Sendgrid-stats-expo
 | `podSecurityContext` | Security context for the pod | `{}` |
 | `securityContext` | Security context for container | `{}` |
 | `envFrom` | Extra custom environment variables from ConfigMaps | `[]` |
+| `extraEnv` | Pod extra environment value | `[]`|
 | `secret.apiKey` | SendGrid api token | `{}` |
 | `secret.username` | SendGrid username | `[]` |
 | `service.type` | Service Type | `"ClusterIP"` |

charts/templates/_helpers.tpl

@@ -65,9 +65,5 @@ Create the name of the service account to use
 Return secret name to be used based on provided values.
 */}}
 {{- define "sendgrid-stats-exporter.secretName" -}}
-{{- if not .Values.secret.existingSecretName -}}
 {{ default (printf "%s-secret" (include "sendgrid-stats-exporter.fullname" . )) }}
-{{- else -}}
-    {{ .Values.secret.existingSecretName }}
 {{- end -}}
-{{- end -}}

charts/templates/deployment.yaml

@@ -46,6 +46,8 @@ spec:
                 secretKeyRef:
                   name: {{ include "sendgrid-stats-exporter.secretName" . }}
                   key: apiKey
+            {{- with .Values.extraEnv }}{{ toYaml . | nindent 12 }}
+            {{- end }}
           ports:
             - name: http
               containerPort: 9154

charts/values.yaml

@@ -3,7 +3,7 @@ replicaCount: 1
 image:
   repository: chatwork/sendgrid-stats-exporter
   pullPolicy: IfNotPresent
-  tag: "0.0.3"
+  tag: "0.0.7"
 
 imagePullSecrets: []
 nameOverride: ""
@@ -28,9 +28,9 @@ securityContext: {}
   # runAsUser: 1000
 
 envFrom: []
+extraEnv: []
 
 secret:
-  existingSecretName:
   username: ""
   apiKey: ""
 

collect.go

@@ -133,7 +133,14 @@ func collector(logger log.Logger) *Collector {
 }
 
 func (c *Collector) Collect(ch chan<- prometheus.Metric) {
-	today := time.Now()
+	var today time.Time
+
+	if *location != "" && *timeOffset != 0 {
+		loc := time.FixedZone(*location, *timeOffset)
+		today = time.Now().In(loc)
+	} else {
+		today = time.Now()
+	}
 
 	statistics, err := collectByDate(today)
 	if err != nil {

main.go

@@ -44,6 +44,14 @@ var (
 		"sendgrid.username",
 		"[Optional] Set SendGrid username as a label for each metrics. This is for identifying multiple SendGrid users metrics.",
 	).Default("").Envar("SENDGRID_USER_NAME").String()
+	location = kingpin.Flag(
+		"sendgrid.location",
+		"[Optional] Set a zone name.(e.g. 'Asia/Tokyo') The default is UTC.",
+	).Default("").Envar("SENDGRID_LOCATION").String()
+	timeOffset = kingpin.Flag(
+		"sendgrid.time-offset",
+		"[Optional] Specify the offset in second from UTC as an integer.(e.g. '32400') This needs to be set along with location.",
+	).Default("0").Envar("SENDGRID_TIME_OFFSET").Int()
 )
 
 func main() {