Initial commit: stateful OpenStack API laboratory simulator.

Ship Keystone auth, multi-service handlers (Yoga→Dalmatian), Compose/Helm
packaging, API contract packs, and pytest/Pulumi coverage labs.

examples/go/go.mod

@@ -0,0 +1,3 @@
+module example.com/proxmox-api-simulator-cookbook
+
+go 1.22

examples/go/main.go

@@ -0,0 +1,97 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"os"
+	"strings"
+	"time"
+)
+
+func env(k, def string) string {
+	if v := os.Getenv(k); v != "" {
+		return v
+	}
+	return def
+}
+
+func main() {
+	base := strings.TrimRight(env("PVE_BASE", "http://localhost:8006/api2/json"), "/")
+	node := env("PVE_NODE", "pve01")
+	vmid := env("PVE_VMID", "113")
+	token := env("PVE_API_TOKEN", "root@pam!automation=automation-secret")
+	auth := "PVEAPIToken=" + token
+
+	fmt.Printf("version: %v\n", call(base+"/version", "GET", auth, nil))
+	upid := asString(call(base+"/nodes/"+node+"/qemu", "POST", auth, url.Values{
+		"vmid":   {vmid},
+		"name":   {"go-" + vmid},
+		"cores":  {"1"},
+		"memory": {"512"},
+	}))
+	wait(base, node, auth, upid)
+	upid = asString(call(base+"/nodes/"+node+"/qemu/"+vmid+"/status/start", "POST", auth, nil))
+	wait(base, node, auth, upid)
+	fmt.Printf("status: %v\n", call(base+"/nodes/"+node+"/qemu/"+vmid+"/status/current", "GET", auth, nil))
+	upid = asString(call(base+"/nodes/"+node+"/qemu/"+vmid+"/status/stop", "POST", auth, nil))
+	wait(base, node, auth, upid)
+	upid = asString(call(base+"/nodes/"+node+"/qemu/"+vmid, "DELETE", auth, nil))
+	wait(base, node, auth, upid)
+	fmt.Println("ok")
+}
+
+func wait(base, node, auth, upid string) {
+	deadline := time.Now().Add(2 * time.Minute)
+	for time.Now().Before(deadline) {
+		status := call(base+"/nodes/"+node+"/tasks/"+url.PathEscape(upid)+"/status", "GET", auth, nil)
+		if m, ok := status.(map[string]any); ok {
+			if s, _ := m["status"].(string); s == "stopped" {
+				return
+			}
+		}
+		time.Sleep(500 * time.Millisecond)
+	}
+	panic("timeout waiting for " + upid)
+}
+
+func call(u, method, auth string, values url.Values) any {
+	var body io.Reader
+	if values != nil {
+		body = strings.NewReader(values.Encode())
+	}
+	req, err := http.NewRequest(method, u, body)
+	if err != nil {
+		panic(err)
+	}
+	req.Header.Set("Authorization", auth)
+	if values != nil {
+		req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	}
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		panic(err)
+	}
+	defer resp.Body.Close()
+	b, _ := io.ReadAll(resp.Body)
+	if resp.StatusCode >= 300 {
+		panic(fmt.Sprintf("%s %s: %s", method, u, b))
+	}
+	var envelope struct {
+		Data any `json:"data"`
+	}
+	if err := json.Unmarshal(b, &envelope); err != nil {
+		panic(err)
+	}
+	return envelope.Data
+}
+
+func asString(v any) string {
+	s, ok := v.(string)
+	if !ok {
+		panic(fmt.Sprintf("expected string UPID, got %#v", v))
+	}
+	return s
+}