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CapacitorSet/webhook-server.go

Created March 11, 2019 10:49
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  1. CapacitorSet created this gist Mar 11, 2019.
    56 changes: 56 additions & 0 deletions webhook-server.go
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,56 @@
    package main

    import (
    "log"
    "net/http"
    "os"
    "os/exec"

    "gopkg.in/go-playground/webhooks.v5/github"
    )

    const path = "/"

    func onPush(w http.ResponseWriter, payload github.PushPayload) {
    if (payload.Ref != "refs/heads/master") {
    log.Printf("No-op: ref '%s' isn't of interest", payload.Ref)
    return
    }
    cmd := exec.Command("/bin/bash", "on-push.sh")
    cmd.Stdout = w
    cmd.Stderr = w
    err := cmd.Run()
    if err != nil {
    log.Println("Bash exec error: %s", err.Error())
    return
    }
    log.Println("Bash exec successful")
    }

    func main() {
    secret := os.Getenv("GITHUB_WEBHOOK_SECRET")
    if secret == "" {
    log.Println("Please provide a webhook secret with the GITHUB_WEBHOOK_SECRET environment variable.")
    return
    }
    hook, _ := github.New(github.Options.Secret(secret))

    http.HandleFunc(path, func(w http.ResponseWriter, r *http.Request) {
    log.Println("New payload")
    payload, err := hook.Parse(r, github.PushEvent)
    if err != nil {
    if err != github.ErrEventNotFound {
    log.Println("Error: %#v\n", err)
    }
    return
    }
    switch typedPayload := payload.(type) {
    case github.PushPayload:
    onPush(w, typedPayload)
    default:
    log.Printf("Unknown payload type.\n%#v\n", typedPayload)
    }
    })
    log.Println("Listening")
    http.ListenAndServe(":4000", nil)
    }