MVP
This commit is contained in:
Ian Gulliver
92
main.go
92
main.go
@@ -1,27 +1,103 @@
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package main
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io"
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"log"
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"net/http"
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"os"
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)
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func main() {
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// http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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// fmt.Fprintf(w, "Hello! you've requested %s\n", r.URL.Path)
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// })
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type PDAlert struct {
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RoutingKey string `json:"routing_key"`
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EventAction string `json:"event_action"`
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Payload PDPayload `json:"payload"`
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}
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http.Handle("/", http.FileServer(http.Dir("./static")))
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type PDPayload struct {
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Summary string `json:"summary"`
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Source string `json:"source"`
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Severity string `json:"severity"`
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}
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type PHandler struct {
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next http.Handler
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}
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func NewPHandler(next http.Handler) *PHandler {
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return &PHandler{
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next: next,
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}
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}
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func (ph *PHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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err := r.ParseForm()
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if err != nil {
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http.Error(w, fmt.Sprintf("invalid form: %s\n", err), http.StatusBadRequest)
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return
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}
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msg := r.Form.Get("msg")
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if msg == "" {
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ph.next.ServeHTTP(w, r)
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return
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}
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buf := &bytes.Buffer{}
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err = json.NewEncoder(buf).Encode(PDAlert{
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RoutingKey: "63e451a6e5f84309d08d439bfe5efab5",
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EventAction: "trigger",
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Payload: PDPayload{
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Summary: msg,
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Source: "urlparam",
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Severity: "critical",
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},
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})
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if err != nil {
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http.Error(w, fmt.Sprintf("failed to create PD request: %s\n", err), http.StatusBadRequest)
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return
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}
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req, err := http.NewRequest("POST", "https://events.pagerduty.com/v2/enqueue", buf)
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if err != nil {
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http.Error(w, fmt.Sprintf("failed to create HTTP request: %s\n", err), http.StatusBadRequest)
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return
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}
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c := &http.Client{}
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res, err := c.Do(req)
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if err != nil {
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http.Error(w, fmt.Sprintf("error from PD: %s\n", err), http.StatusBadRequest)
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return
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}
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body, _ := io.ReadAll(res.Body)
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res.Body.Close()
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if res.StatusCode != 202 {
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http.Error(w, fmt.Sprintf("error from PD: %s", string(body)), http.StatusBadRequest)
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return
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}
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w.Write([]byte("page sent\n"))
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}
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func main() {
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http.Handle("/", NewPHandler(http.FileServer(http.Dir("./static"))))
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port := os.Getenv("PORT")
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if port == "" {
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port = "80"
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}
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bindAddr := fmt.Sprintf(":%s", port)
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fmt.Printf("==> Server listening at %s 🚀\n", bindAddr)
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bind := fmt.Sprintf(":%s", port)
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log.Printf("listening on %s", bind)
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if err := http.ListenAndServe(bindAddr, nil); err != nil {
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if err := http.ListenAndServe(bind, nil); err != nil {
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panic(err)
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}
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}
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@@ -1,18 +1,89 @@
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<html>
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<!doctype html>
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<html class="sl-theme-dark">
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<head>
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<link
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rel="stylesheet"
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media="(prefers-color-scheme:light)"
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href="https://cdn.jsdelivr.net/npm/@shoelace-style/shoelace@2.18.0/cdn/themes/light.css"
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/>
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<link
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rel="stylesheet"
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media="(prefers-color-scheme:dark)"
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href="https://cdn.jsdelivr.net/npm/@shoelace-style/shoelace@2.18.0/cdn/themes/dark.css"
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onload="document.documentElement.classList.add('sl-theme-dark');"
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/>
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<script type="module" src="https://cdn.jsdelivr.net/npm/@shoelace-style/shoelace@2.18.0/cdn/shoelace.js" ></script>
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<style>
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:not(:defined) {
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visibility: hidden;
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}
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body {
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margin: 30px;
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font: 12px var(--sl-font-sans);
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display: flex;
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flex-direction: column;
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align-items: center;
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}
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</style>
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@shoelace-style/shoelace@2.18.0/cdn/themes/dark.css" />
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<script type="module" src="https://cdn.jsdelivr.net/npm/@shoelace-style/shoelace@2.18.0/cdn/shoelace-autoloader.js"></script>
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<script>
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function clearAlerts() {
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document.getElementById('sent').hide();
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document.getElementById('err').hide();
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}
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function error(err1, err2) {
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clearAlerts();
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document.getElementById('err1').innerText = err1;
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document.getElementById('err2').innerText = err2;
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document.getElementById('err').show();
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}
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async function pageIan() {
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const msg = document.getElementById('message').value;
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if (msg == '') {
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error('Please fill in Message', '');
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return;
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}
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clearAlerts();
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const resp = await fetch(
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'https://events.pagerduty.com/v2/enqueue',
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{
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method: 'POST',
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body: JSON.stringify({
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payload: {
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severity: 'critical',
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source: 'jsapp',
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summary: msg,
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},
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routing_key: '63e451a6e5f84309d08d439bfe5efab5',
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event_action: 'trigger',
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}),
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},
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)
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if (!resp.ok) {
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error('Failed to send page', (await resp.json()).message);
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return;
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}
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document.getElementById('sent').show();
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}
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</script>
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<title>Page Ian</title>
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</head>
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<body>
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<div style="width: min(500px, 100vw)">
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<sl-alert id="err" variant="danger">
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<sl-icon slot="icon" name="exclamation-octagon"></sl-icon>
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<strong id="err1"></strong><br />
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<span id="err2"></span>
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</sl-alert>
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<sl-alert id="sent" variant="success">
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<sl-icon slot="icon" name="check2-circle"></sl-icon>
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<strong>Page sent</strong>
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</sl-alert>
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<br />
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<sl-textarea id="message" placeholder="Message" oninput="clearAlerts()"></sl-textarea>
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<br />
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<br />
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<div style="text-align: center">
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<sl-button type="submit" variant="primary" onclick="pageIan()">Page Ian</sl-button>
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</div>
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</div>
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</body>
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</html>
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