feat: add first page with auth and containers list and agents

This commit is contained in:
2026-05-18 08:24:02 +02:00
parent 446087ae01
commit 3b4a841bf5
56 changed files with 16267 additions and 0 deletions

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package api
import (
"bytes"
"encoding/json"
"net/http"
"net/http/httptest"
"os"
"strings"
"testing"
"time"
"github.com/containarr/server/internal/broker"
grpcgateway "github.com/containarr/server/internal/grpc"
agentv1 "github.com/containarr/server/internal/proto/agentv1"
"github.com/containarr/server/internal/store"
"github.com/go-chi/chi/v5"
"github.com/golang-jwt/jwt/v5"
"golang.org/x/crypto/bcrypt"
)
// ── helpers ───────────────────────────────────────────────────────────────────
func newTestHandler(t *testing.T) (*Handler, *store.Store, *grpcgateway.Registry, *broker.Broker) {
t.Helper()
s, err := store.New(":memory:")
if err != nil {
t.Fatalf("store.New: %v", err)
}
t.Cleanup(func() { s.Close() })
reg := grpcgateway.NewRegistry()
b := broker.New()
h := NewHandler(s, reg, b)
return h, s, reg, b
}
func makeJWT(t *testing.T, subject string) string {
t.Helper()
token := jwt.NewWithClaims(jwt.SigningMethodHS256, &jwtClaims{
RegisteredClaims: jwt.RegisteredClaims{
Subject: subject,
ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Hour)),
IssuedAt: jwt.NewNumericDate(time.Now()),
},
})
signed, err := token.SignedString(jwtSecret())
if err != nil {
t.Fatalf("makeJWT: %v", err)
}
return signed
}
func bearerHeader(token string) string {
return "Bearer " + token
}
func postJSON(t *testing.T, handler http.HandlerFunc, path string, body any) *httptest.ResponseRecorder {
t.Helper()
b, _ := json.Marshal(body)
req := httptest.NewRequest(http.MethodPost, path, bytes.NewReader(b))
req.Header.Set("Content-Type", "application/json")
w := httptest.NewRecorder()
handler(w, req)
return w
}
func postJSONAuth(t *testing.T, handler http.HandlerFunc, path string, body any, token string) *httptest.ResponseRecorder {
t.Helper()
b, _ := json.Marshal(body)
req := httptest.NewRequest(http.MethodPost, path, bytes.NewReader(b))
req.Header.Set("Content-Type", "application/json")
req.Header.Set("Authorization", bearerHeader(token))
w := httptest.NewRecorder()
// Wrap handler with requireJWT so claims land in context.
requireJWT(handler).ServeHTTP(w, req)
return w
}
// ── extractToken ──────────────────────────────────────────────────────────────
func TestExtractToken_BearerHeader(t *testing.T) {
req := httptest.NewRequest(http.MethodGet, "/", nil)
req.Header.Set("Authorization", "Bearer mytoken")
if got := extractToken(req); got != "mytoken" {
t.Errorf("expected 'mytoken', got %q", got)
}
}
func TestExtractToken_QueryParam(t *testing.T) {
req := httptest.NewRequest(http.MethodGet, "/?token=querytoken", nil)
if got := extractToken(req); got != "querytoken" {
t.Errorf("expected 'querytoken', got %q", got)
}
}
func TestExtractToken_Empty(t *testing.T) {
req := httptest.NewRequest(http.MethodGet, "/", nil)
if got := extractToken(req); got != "" {
t.Errorf("expected empty, got %q", got)
}
}
func TestExtractToken_ShortAuthHeader(t *testing.T) {
req := httptest.NewRequest(http.MethodGet, "/", nil)
req.Header.Set("Authorization", "Bear") // len < 7
if got := extractToken(req); got != "" {
t.Errorf("expected empty for short header, got %q", got)
}
}
// ── requireJWT middleware ─────────────────────────────────────────────────────
func TestRequireJWT_MissingToken(t *testing.T) {
called := false
next := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { called = true })
req := httptest.NewRequest(http.MethodGet, "/", nil)
w := httptest.NewRecorder()
requireJWT(next).ServeHTTP(w, req)
if w.Code != http.StatusUnauthorized {
t.Errorf("expected 401, got %d", w.Code)
}
if called {
t.Error("handler should not be called without token")
}
}
func TestRequireJWT_InvalidToken(t *testing.T) {
next := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {})
req := httptest.NewRequest(http.MethodGet, "/", nil)
req.Header.Set("Authorization", "Bearer not.a.real.token")
w := httptest.NewRecorder()
requireJWT(next).ServeHTTP(w, req)
if w.Code != http.StatusUnauthorized {
t.Errorf("expected 401, got %d", w.Code)
}
}
func TestRequireJWT_ValidToken(t *testing.T) {
token := makeJWT(t, "alice")
called := false
var gotSubject string
next := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
called = true
c, ok := claimsFromContext(r)
if !ok {
t.Error("claims not in context")
return
}
gotSubject = c.Subject
})
req := httptest.NewRequest(http.MethodGet, "/", nil)
req.Header.Set("Authorization", bearerHeader(token))
w := httptest.NewRecorder()
requireJWT(next).ServeHTTP(w, req)
if !called {
t.Error("handler was not called")
}
if gotSubject != "alice" {
t.Errorf("expected subject 'alice', got %q", gotSubject)
}
}
func TestRequireJWT_WrongSecret(t *testing.T) {
// Sign with a different secret
token := jwt.NewWithClaims(jwt.SigningMethodHS256, &jwtClaims{
RegisteredClaims: jwt.RegisteredClaims{
Subject: "hacker",
ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Hour)),
},
})
signed, _ := token.SignedString([]byte("wrong-secret"))
req := httptest.NewRequest(http.MethodGet, "/", nil)
req.Header.Set("Authorization", bearerHeader(signed))
w := httptest.NewRecorder()
requireJWT(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {})).ServeHTTP(w, req)
if w.Code != http.StatusUnauthorized {
t.Errorf("expected 401, got %d", w.Code)
}
}
// ── Login ─────────────────────────────────────────────────────────────────────
func TestLogin_Success(t *testing.T) {
h, s, _, _ := newTestHandler(t)
hash, _ := bcrypt.GenerateFromPassword([]byte("password"), bcrypt.MinCost)
_ = s.UpsertUser("alice", string(hash))
w := postJSON(t, h.Login, "/api/v1/auth/login", map[string]string{
"username": "alice",
"password": "password",
})
if w.Code != http.StatusOK {
t.Fatalf("expected 200, got %d — body: %s", w.Code, w.Body.String())
}
var resp map[string]string
if err := json.NewDecoder(w.Body).Decode(&resp); err != nil {
t.Fatalf("decode response: %v", err)
}
if resp["token"] == "" {
t.Error("expected non-empty token in response")
}
}
func TestLogin_WrongPassword(t *testing.T) {
h, s, _, _ := newTestHandler(t)
hash, _ := bcrypt.GenerateFromPassword([]byte("correct"), bcrypt.MinCost)
_ = s.UpsertUser("alice", string(hash))
w := postJSON(t, h.Login, "/api/v1/auth/login", map[string]string{
"username": "alice",
"password": "wrong",
})
if w.Code != http.StatusUnauthorized {
t.Errorf("expected 401, got %d", w.Code)
}
}
func TestLogin_UnknownUser(t *testing.T) {
h, _, _, _ := newTestHandler(t)
w := postJSON(t, h.Login, "/api/v1/auth/login", map[string]string{
"username": "nobody",
"password": "pass",
})
if w.Code != http.StatusUnauthorized {
t.Errorf("expected 401, got %d", w.Code)
}
}
func TestLogin_BadBody(t *testing.T) {
h, _, _, _ := newTestHandler(t)
req := httptest.NewRequest(http.MethodPost, "/api/v1/auth/login", strings.NewReader("not-json"))
w := httptest.NewRecorder()
h.Login(w, req)
if w.Code != http.StatusBadRequest {
t.Errorf("expected 400, got %d", w.Code)
}
}
func TestLogin_EmptyFields(t *testing.T) {
h, _, _, _ := newTestHandler(t)
w := postJSON(t, h.Login, "/api/v1/auth/login", map[string]string{
"username": "",
"password": "",
})
if w.Code != http.StatusBadRequest {
t.Errorf("expected 400, got %d", w.Code)
}
}
// ── ChangePassword ─────────────────────────────────────────────────────────────
func TestChangePassword_Success(t *testing.T) {
h, s, _, _ := newTestHandler(t)
os.Setenv("JWT_SECRET", "test-secret-change-pw")
defer os.Unsetenv("JWT_SECRET")
hash, _ := bcrypt.GenerateFromPassword([]byte("oldpass"), bcrypt.MinCost)
_ = s.UpsertUser("alice", string(hash))
token := makeJWT(t, "alice")
w := postJSONAuth(t, h.ChangePassword, "/api/v1/auth/change-password", map[string]string{
"current_password": "oldpass",
"new_password": "newpass",
}, token)
if w.Code != http.StatusNoContent {
t.Fatalf("expected 204, got %d — body: %s", w.Code, w.Body.String())
}
// Verify new hash is stored
newHash, _ := s.GetUserHash("alice")
if bcrypt.CompareHashAndPassword([]byte(newHash), []byte("newpass")) != nil {
t.Error("new password hash does not match")
}
}
func TestChangePassword_WrongCurrentPassword(t *testing.T) {
h, s, _, _ := newTestHandler(t)
hash, _ := bcrypt.GenerateFromPassword([]byte("correct"), bcrypt.MinCost)
_ = s.UpsertUser("alice", string(hash))
token := makeJWT(t, "alice")
w := postJSONAuth(t, h.ChangePassword, "/api/v1/auth/change-password", map[string]string{
"current_password": "wrong",
"new_password": "newpass",
}, token)
if w.Code != http.StatusUnauthorized {
t.Errorf("expected 401, got %d", w.Code)
}
}
// ── ListAgents ────────────────────────────────────────────────────────────────
func TestListAgents_Empty(t *testing.T) {
h, _, _, _ := newTestHandler(t)
req := httptest.NewRequest(http.MethodGet, "/api/v1/agents", nil)
w := httptest.NewRecorder()
h.ListAgents(w, req)
if w.Code != http.StatusOK {
t.Fatalf("expected 200, got %d", w.Code)
}
var agents []agentDTO
if err := json.NewDecoder(w.Body).Decode(&agents); err != nil {
t.Fatalf("decode: %v", err)
}
if len(agents) != 0 {
t.Errorf("expected empty list, got %d", len(agents))
}
}
func TestListAgents_PersistenceAndLive(t *testing.T) {
h, s, reg, _ := newTestHandler(t)
_ = s.CreateAgentToken("a1", "t1", "host1")
// Register a2 in the registry (simulating live agent)
reg.Register("a2", "host2", "alias2", "192.168.1.1", "arm64", "linux")
_ = s.CreateAgentToken("a2", "t2", "host2")
req := httptest.NewRequest(http.MethodGet, "/api/v1/agents", nil)
w := httptest.NewRecorder()
h.ListAgents(w, req)
if w.Code != http.StatusOK {
t.Fatalf("expected 200, got %d", w.Code)
}
var agents []agentDTO
json.NewDecoder(w.Body).Decode(&agents)
if len(agents) != 2 {
t.Fatalf("expected 2 agents, got %d", len(agents))
}
// Find a2 — it should be online
var a2 *agentDTO
for i := range agents {
if agents[i].ID == "a2" {
a2 = &agents[i]
}
}
if a2 == nil {
t.Fatal("a2 not found in list")
}
if !a2.Online {
t.Error("a2 should be online (registered in registry)")
}
}
// ── CreateAgentToken ──────────────────────────────────────────────────────────
func TestCreateAgentToken_Success(t *testing.T) {
h, _, _, _ := newTestHandler(t)
b, _ := json.Marshal(map[string]string{"hostname": "new-agent"})
req := httptest.NewRequest(http.MethodPost, "/api/v1/agents/token", bytes.NewReader(b))
req.Header.Set("Content-Type", "application/json")
w := httptest.NewRecorder()
h.CreateAgentToken(w, req)
if w.Code != http.StatusOK {
t.Fatalf("expected 200, got %d — body: %s", w.Code, w.Body.String())
}
var resp map[string]string
json.NewDecoder(w.Body).Decode(&resp)
if resp["agent_id"] == "" || resp["token"] == "" {
t.Errorf("missing agent_id or token in response: %v", resp)
}
}
func TestCreateAgentToken_MissingHostname(t *testing.T) {
h, _, _, _ := newTestHandler(t)
b, _ := json.Marshal(map[string]string{"hostname": ""})
req := httptest.NewRequest(http.MethodPost, "/api/v1/agents/token", bytes.NewReader(b))
w := httptest.NewRecorder()
h.CreateAgentToken(w, req)
if w.Code != http.StatusBadRequest {
t.Errorf("expected 400, got %d", w.Code)
}
}
// ── UpdateAgent ───────────────────────────────────────────────────────────────
func TestUpdateAgent_Success(t *testing.T) {
h, s, reg, _ := newTestHandler(t)
_ = s.CreateAgentToken("a1", "t1", "host1")
reg.Register("a1", "host1", "old", "ip", "arch", "os")
body, _ := json.Marshal(map[string]string{"alias": "new-alias"})
router := chi.NewRouter()
router.Patch("/api/v1/agents/{agentID}", h.UpdateAgent)
req, _ := http.NewRequest(http.MethodPatch, "/api/v1/agents/a1", bytes.NewReader(body))
req.Header.Set("Content-Type", "application/json")
w := httptest.NewRecorder()
router.ServeHTTP(w, req)
if w.Code != http.StatusOK {
t.Fatalf("expected 200, got %d — body: %s", w.Code, w.Body.String())
}
var resp agentDTO
json.NewDecoder(w.Body).Decode(&resp)
if resp.Alias != "new-alias" {
t.Errorf("expected alias 'new-alias', got %q", resp.Alias)
}
// Confirm registry also updated
state, ok := reg.Get("a1")
if !ok {
t.Fatal("agent not in registry")
}
if state.Alias != "new-alias" {
t.Errorf("registry alias not updated, got %q", state.Alias)
}
}
// ── ListContainers ─────────────────────────────────────────────────────────────
func TestListContainers_Empty(t *testing.T) {
h, _, _, _ := newTestHandler(t)
req := httptest.NewRequest(http.MethodGet, "/api/v1/containers", nil)
w := httptest.NewRecorder()
h.ListContainers(w, req)
if w.Code != http.StatusOK {
t.Fatalf("expected 200, got %d", w.Code)
}
}
func TestListContainers_WithData(t *testing.T) {
h, _, reg, _ := newTestHandler(t)
reg.Register("a1", "host1", "alias1", "10.0.0.1", "amd64", "linux")
reg.UpdateContainers("a1", []*agentv1.ContainerInfo{
{Id: "c1", Name: "web"},
{Id: "c2", Name: "db"},
})
req := httptest.NewRequest(http.MethodGet, "/api/v1/containers", nil)
w := httptest.NewRecorder()
h.ListContainers(w, req)
if w.Code != http.StatusOK {
t.Fatalf("expected 200, got %d", w.Code)
}
var out []struct {
AgentID string `json:"agent_id"`
Container *agentv1.ContainerInfo `json:"container"`
}
json.NewDecoder(w.Body).Decode(&out)
if len(out) != 2 {
t.Errorf("expected 2 containers, got %d", len(out))
}
}
// ── ContainerAction ───────────────────────────────────────────────────────────
func TestContainerAction_AgentNotConnected(t *testing.T) {
h, _, _, _ := newTestHandler(t)
body, _ := json.Marshal(map[string]string{"action": "start"})
req := httptest.NewRequest(http.MethodPost, "/api/v1/agents/ghost/containers/c1/action", bytes.NewReader(body))
req.Header.Set("Content-Type", "application/json")
router := chi.NewRouter()
router.Post("/api/v1/agents/{agentID}/containers/{containerID}/action", h.ContainerAction)
w := httptest.NewRecorder()
router.ServeHTTP(w, req)
if w.Code != http.StatusServiceUnavailable {
t.Errorf("expected 503, got %d", w.Code)
}
}
func TestContainerAction_InvalidAction(t *testing.T) {
h, _, reg, _ := newTestHandler(t)
reg.Register("a1", "h", "a", "ip", "arch", "os")
body, _ := json.Marshal(map[string]string{"action": "explode"})
req := httptest.NewRequest(http.MethodPost, "/api/v1/agents/a1/containers/c1/action", bytes.NewReader(body))
req.Header.Set("Content-Type", "application/json")
router := chi.NewRouter()
router.Post("/api/v1/agents/{agentID}/containers/{containerID}/action", h.ContainerAction)
w := httptest.NewRecorder()
router.ServeHTTP(w, req)
if w.Code != http.StatusBadRequest {
t.Errorf("expected 400, got %d", w.Code)
}
}
func TestContainerAction_Success(t *testing.T) {
h, _, reg, _ := newTestHandler(t)
reg.Register("a1", "h", "a", "ip", "arch", "os")
body, _ := json.Marshal(map[string]string{"action": "stop"})
req := httptest.NewRequest(http.MethodPost, "/api/v1/agents/a1/containers/c1/action", bytes.NewReader(body))
req.Header.Set("Content-Type", "application/json")
router := chi.NewRouter()
router.Post("/api/v1/agents/{agentID}/containers/{containerID}/action", h.ContainerAction)
w := httptest.NewRecorder()
router.ServeHTTP(w, req)
if w.Code != http.StatusOK {
t.Fatalf("expected 200, got %d — body: %s", w.Code, w.Body.String())
}
var resp map[string]string
json.NewDecoder(w.Body).Decode(&resp)
if resp["command_id"] == "" {
t.Error("expected command_id in response")
}
}

125
server/internal/api/auth.go Normal file
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package api
import (
"encoding/json"
"net/http"
"os"
"time"
"github.com/golang-jwt/jwt/v5"
"golang.org/x/crypto/bcrypt"
)
func jwtSecret() []byte {
if s := os.Getenv("JWT_SECRET"); s != "" {
return []byte(s)
}
return []byte("dev-secret-change-me")
}
type jwtClaims struct {
jwt.RegisteredClaims
}
func (h *Handler) Login(w http.ResponseWriter, r *http.Request) {
var body struct {
Username string `json:"username"`
Password string `json:"password"`
}
if err := json.NewDecoder(r.Body).Decode(&body); err != nil || body.Username == "" || body.Password == "" {
http.Error(w, "invalid body", http.StatusBadRequest)
return
}
hash, err := h.store.GetUserHash(body.Username)
if err != nil {
http.Error(w, "invalid credentials", http.StatusUnauthorized)
return
}
if bcrypt.CompareHashAndPassword([]byte(hash), []byte(body.Password)) != nil {
http.Error(w, "invalid credentials", http.StatusUnauthorized)
return
}
token := jwt.NewWithClaims(jwt.SigningMethodHS256, &jwtClaims{
RegisteredClaims: jwt.RegisteredClaims{
Subject: body.Username,
ExpiresAt: jwt.NewNumericDate(time.Now().Add(24 * time.Hour)),
IssuedAt: jwt.NewNumericDate(time.Now()),
},
})
signed, err := token.SignedString(jwtSecret())
if err != nil {
http.Error(w, "internal error", http.StatusInternalServerError)
return
}
jsonOK(w, map[string]string{"token": signed})
}
func (h *Handler) ChangePassword(w http.ResponseWriter, r *http.Request) {
claims, ok := claimsFromContext(r)
if !ok {
http.Error(w, "unauthorized", http.StatusUnauthorized)
return
}
var body struct {
CurrentPassword string `json:"current_password"`
NewPassword string `json:"new_password"`
}
if err := json.NewDecoder(r.Body).Decode(&body); err != nil || body.NewPassword == "" {
http.Error(w, "invalid body", http.StatusBadRequest)
return
}
hash, err := h.store.GetUserHash(claims.Subject)
if err != nil {
http.Error(w, "user not found", http.StatusNotFound)
return
}
if bcrypt.CompareHashAndPassword([]byte(hash), []byte(body.CurrentPassword)) != nil {
http.Error(w, "mot de passe actuel incorrect", http.StatusUnauthorized)
return
}
newHash, err := bcrypt.GenerateFromPassword([]byte(body.NewPassword), bcrypt.DefaultCost)
if err != nil {
http.Error(w, "internal error", http.StatusInternalServerError)
return
}
if err := h.store.UpsertUser(claims.Subject, string(newHash)); err != nil {
http.Error(w, "store error", http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusNoContent)
}
func requireJWT(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
raw := extractToken(r)
if raw == "" {
http.Error(w, "unauthorized", http.StatusUnauthorized)
return
}
t, err := jwt.ParseWithClaims(raw, &jwtClaims{}, func(t *jwt.Token) (any, error) {
if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
return nil, jwt.ErrSignatureInvalid
}
return jwtSecret(), nil
})
if err != nil || !t.Valid {
http.Error(w, "unauthorized", http.StatusUnauthorized)
return
}
next.ServeHTTP(w, r.WithContext(
contextWithClaims(r.Context(), t.Claims.(*jwtClaims)),
))
})
}
func extractToken(r *http.Request) string {
if auth := r.Header.Get("Authorization"); len(auth) > 7 && auth[:7] == "Bearer " {
return auth[7:]
}
return r.URL.Query().Get("token")
}

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package api
import "context"
type contextKey int
const claimsKey contextKey = iota
func contextWithClaims(ctx context.Context, c *jwtClaims) context.Context {
return context.WithValue(ctx, claimsKey, c)
}
func claimsFromContext(r interface{ Context() context.Context }) (*jwtClaims, bool) {
c, ok := r.Context().Value(claimsKey).(*jwtClaims)
return c, ok && c != nil
}

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package api
import (
"encoding/json"
"net/http"
"strconv"
"time"
"github.com/containarr/server/internal/broker"
grpcgateway "github.com/containarr/server/internal/grpc"
agentv1 "github.com/containarr/server/internal/proto/agentv1"
"github.com/containarr/server/internal/store"
"github.com/go-chi/chi/v5"
"github.com/google/uuid"
"github.com/gorilla/websocket"
)
var upgrader = websocket.Upgrader{
CheckOrigin: func(r *http.Request) bool { return true },
}
type Handler struct {
store *store.Store
registry *grpcgateway.Registry
broker *broker.Broker
}
func NewHandler(s *store.Store, r *grpcgateway.Registry, b *broker.Broker) *Handler {
return &Handler{store: s, registry: r, broker: b}
}
type agentDTO struct {
ID string `json:"id"`
Hostname string `json:"hostname"`
Alias string `json:"alias"`
IPAddress string `json:"ip_address"`
Arch string `json:"arch"`
OS string `json:"os"`
Online bool `json:"online"`
LastSeenAt time.Time `json:"last_seen_at"`
}
// ── Agents ────────────────────────────────────────────────────────────────────
func (h *Handler) ListAgents(w http.ResponseWriter, r *http.Request) {
persisted, err := h.store.ListAgents()
if err != nil {
http.Error(w, "store error", http.StatusInternalServerError)
return
}
liveByID := map[string]*grpcgateway.AgentState{}
for _, s := range h.registry.List() {
liveByID[s.ID] = s
}
out := make([]agentDTO, 0, len(persisted))
for _, a := range persisted {
dto := agentDTO{
ID: a.ID,
Hostname: a.Hostname,
Alias: a.Alias,
IPAddress: a.IPAddress,
Arch: a.Arch,
OS: a.OS,
}
if live, ok := liveByID[a.ID]; ok {
dto.Online = true
dto.IPAddress = live.IPAddress
dto.LastSeenAt = live.LastSeenAt
}
out = append(out, dto)
}
jsonOK(w, out)
}
func (h *Handler) UpdateAgent(w http.ResponseWriter, r *http.Request) {
agentID := chi.URLParam(r, "agentID")
var body struct {
Alias string `json:"alias"`
}
if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
http.Error(w, "invalid body", http.StatusBadRequest)
return
}
if err := h.store.UpdateAgentAlias(agentID, body.Alias); err != nil {
http.Error(w, "store error", http.StatusInternalServerError)
return
}
h.registry.UpdateAlias(agentID, body.Alias)
a, err := h.store.GetAgent(agentID)
if err != nil {
http.Error(w, "not found", http.StatusNotFound)
return
}
jsonOK(w, agentDTO{
ID: a.ID,
Hostname: a.Hostname,
Alias: a.Alias,
IPAddress: a.IPAddress,
Arch: a.Arch,
OS: a.OS,
Online: a.Online,
})
}
// ── Containers ────────────────────────────────────────────────────────────────
func (h *Handler) ListContainers(w http.ResponseWriter, r *http.Request) {
type containerDTO struct {
AgentID string `json:"agent_id"`
Hostname string `json:"hostname"`
Alias string `json:"alias"`
IPAddress string `json:"ip_address"`
Container *agentv1.ContainerInfo `json:"container"`
}
var out []containerDTO
for _, agent := range h.registry.List() {
for _, c := range agent.Containers {
out = append(out, containerDTO{
AgentID: agent.ID,
Hostname: agent.Hostname,
Alias: agent.Alias,
IPAddress: agent.IPAddress,
Container: c,
})
}
}
jsonOK(w, out)
}
func (h *Handler) ContainerAction(w http.ResponseWriter, r *http.Request) {
agentID := chi.URLParam(r, "agentID")
containerID := chi.URLParam(r, "containerID")
var body struct {
Action string `json:"action"`
}
if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
http.Error(w, "invalid body", http.StatusBadRequest)
return
}
action, ok := map[string]agentv1.ContainerAction{
"start": agentv1.ContainerAction_CONTAINER_ACTION_START,
"stop": agentv1.ContainerAction_CONTAINER_ACTION_STOP,
"restart": agentv1.ContainerAction_CONTAINER_ACTION_RESTART,
"remove": agentv1.ContainerAction_CONTAINER_ACTION_REMOVE,
}[body.Action]
if !ok {
http.Error(w, "unknown action", http.StatusBadRequest)
return
}
cmdID := uuid.NewString()
sent := h.registry.Send(agentID, &agentv1.ServerMessage{
Payload: &agentv1.ServerMessage_ContainerCmd{
ContainerCmd: &agentv1.ContainerCommand{
CommandId: cmdID,
ContainerId: containerID,
Action: action,
},
},
})
if !sent {
http.Error(w, "agent not connected", http.StatusServiceUnavailable)
return
}
jsonOK(w, map[string]string{"command_id": cmdID})
}
// ── Agent token provisioning ──────────────────────────────────────────────────
func (h *Handler) CreateAgentToken(w http.ResponseWriter, r *http.Request) {
var body struct {
Hostname string `json:"hostname"`
}
if err := json.NewDecoder(r.Body).Decode(&body); err != nil || body.Hostname == "" {
http.Error(w, "hostname required", http.StatusBadRequest)
return
}
id := uuid.NewString()
token := uuid.NewString()
if err := h.store.CreateAgentToken(id, token, body.Hostname); err != nil {
http.Error(w, "store error", http.StatusInternalServerError)
return
}
jsonOK(w, map[string]string{"agent_id": id, "token": token})
}
// ── Container log stream ──────────────────────────────────────────────────────
func (h *Handler) LogsWS(w http.ResponseWriter, r *http.Request) {
agentID := chi.URLParam(r, "agentID")
containerID := chi.URLParam(r, "containerID")
follow := r.URL.Query().Get("follow") != "false"
tail := int32(100)
if t := r.URL.Query().Get("tail"); t != "" {
if n, err := strconv.Atoi(t); err == nil && n > 0 {
tail = int32(n)
}
}
conn, err := upgrader.Upgrade(w, r, nil)
if err != nil {
return
}
defer conn.Close()
sent := h.registry.Send(agentID, &agentv1.ServerMessage{
Payload: &agentv1.ServerMessage_StreamLogs{
StreamLogs: &agentv1.StreamLogsCommand{
CommandId: uuid.NewString(),
ContainerId: containerID,
Follow: follow,
Tail: tail,
},
},
})
if !sent {
conn.WriteMessage(websocket.TextMessage, []byte(`{"error":"agent not connected"}`))
return
}
sub := h.broker.Subscribe()
defer h.broker.Unsubscribe(sub)
done := make(chan struct{})
go func() {
defer close(done)
for {
if _, _, err := conn.ReadMessage(); err != nil {
return
}
}
}()
for {
select {
case <-done:
return
case raw, ok := <-sub:
if !ok {
return
}
var envelope struct {
Type string `json:"type"`
AgentID string `json:"agent_id"`
Payload json.RawMessage `json:"payload"`
}
if json.Unmarshal(raw, &envelope) != nil {
continue
}
if envelope.Type != "log.chunk" || envelope.AgentID != agentID {
continue
}
var chunk struct {
ContainerID string `json:"container_id"`
Stream string `json:"stream"`
Data []byte `json:"data"`
}
if json.Unmarshal(envelope.Payload, &chunk) != nil {
continue
}
if chunk.ContainerID != containerID {
continue
}
msg, _ := json.Marshal(map[string]string{
"stream": chunk.Stream,
"line": string(chunk.Data),
})
if err := conn.WriteMessage(websocket.TextMessage, msg); err != nil {
return
}
}
}
}
// ── WebSocket event stream ────────────────────────────────────────────────────
func (h *Handler) EventsWS(w http.ResponseWriter, r *http.Request) {
conn, err := upgrader.Upgrade(w, r, nil)
if err != nil {
return
}
defer conn.Close()
sub := h.broker.Subscribe()
defer h.broker.Unsubscribe(sub)
for data := range sub {
if err := conn.WriteMessage(websocket.TextMessage, data); err != nil {
return
}
}
}
func jsonOK(w http.ResponseWriter, v any) {
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(v)
}

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@ -0,0 +1,35 @@
package api
import (
"net/http"
"github.com/go-chi/chi/v5"
"github.com/go-chi/chi/v5/middleware"
)
func NewRouter(h *Handler) http.Handler {
r := chi.NewRouter()
r.Use(middleware.Logger)
r.Use(middleware.Recoverer)
r.Use(middleware.RealIP)
r.Route("/api/v1", func(r chi.Router) {
r.Post("/auth/login", h.Login)
r.Group(func(r chi.Router) {
r.Use(requireJWT)
r.Post("/auth/change-password", h.ChangePassword)
r.Get("/agents", h.ListAgents)
r.Post("/agents/token", h.CreateAgentToken)
r.Patch("/agents/{agentID}", h.UpdateAgent)
r.Get("/containers", h.ListContainers)
r.Post("/agents/{agentID}/containers/{containerID}/action", h.ContainerAction)
r.Get("/agents/{agentID}/containers/{containerID}/logs", h.LogsWS)
r.Get("/events", h.EventsWS)
})
})
r.Handle("/*", http.FileServer(http.Dir("./web/dist")))
return r
}