keel/trigger/http/azure_webhook_trigger.go

89 lines
2.4 KiB
Go

package http
import (
"encoding/json"
"fmt"
"net/http"
"time"
"github.com/keel-hq/keel/types"
"github.com/prometheus/client_golang/prometheus"
log "github.com/sirupsen/logrus"
)
var newAzureWebhooksCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Name: "azure_webhook_requests_total",
Help: "How many /v1/webhooks/azure requests processed, partitioned by image.",
},
[]string{"image"},
)
func init() {
prometheus.MustRegister(newAzureWebhooksCounter)
}
// Example of azure trigger
// {
// "id": "cb8c3971-9adc-488b-bdd8-43cbb4974ff5",
// "timestamp": "2017-11-17T16:52:01.343145347Z",
// "action": "push",
// "target": {
// "mediaType": "application/vnd.docker.distribution.manifest.v2+json",
// "size": 524,
// "digest": "sha256:80f0d5c8786bb9e621a45ece0db56d11cdc624ad20da9fe62e9d25490f331d7d",
// "length": 524,
// "repository": "hello-world",
// "tag": "v1"
// },
// "request": {
// "id": "3cbb6949-7549-4fa1-86cd-a6d5451dffc7",
// "host": "myregistry.azurecr.io",
// "method": "PUT",
// "useragent": "docker/17.09.0-ce go/go1.8.3 git-commit/afdb6d4 kernel/4.10.0-27-generic os/linux arch/amd64 UpstreamClient(Docker-Client/17.09.0-ce \\(linux\\))"
// }
//}
type azureWebhook struct {
Target struct {
Repository string `json:"repository"`
Tag string `json:"tag"`
Digest string `json:"digest"`
} `json:"target"`
Request struct {
Host string `json:"host"`
} `json:"request"`
}
func (s *TriggerServer) azureHandler(resp http.ResponseWriter, req *http.Request) {
aw := azureWebhook{}
if err := json.NewDecoder(req.Body).Decode(&aw); err != nil {
log.WithFields(log.Fields{
"error": err,
}).Error("trigger.azureHandler: failed to decode request")
resp.WriteHeader(http.StatusBadRequest)
return
}
if aw.Target.Tag == "" {
resp.WriteHeader(http.StatusBadRequest)
fmt.Fprintf(resp, "tag cannot be empty")
return
}
// for every updated tag generating event
var DockerURL = aw.Request.Host + "/" + aw.Target.Repository
event := types.Event{}
event.CreatedAt = time.Now()
event.TriggerName = "azure"
event.Repository.Name = DockerURL // need to build this url..
event.Repository.Tag = aw.Target.Tag
event.Repository.Digest = aw.Target.Digest
s.trigger(event)
newAzureWebhooksCounter.With(prometheus.Labels{"image": event.Repository.Name}).Inc()
resp.WriteHeader(http.StatusOK)
return
}