import (
"context"
- "database/sql"
- "errors"
- "net"
+ "fmt"
"net/http"
+ "net/http/httptest"
"net/url"
"strings"
"sync"
- "time"
- "git.curoverse.com/arvados.git/sdk/go/arvados"
- "git.curoverse.com/arvados.git/sdk/go/health"
- "git.curoverse.com/arvados.git/sdk/go/httpserver"
+ "git.arvados.org/arvados.git/lib/controller/api"
+ "git.arvados.org/arvados.git/lib/controller/federation"
+ "git.arvados.org/arvados.git/lib/controller/localdb"
+ "git.arvados.org/arvados.git/lib/controller/railsproxy"
+ "git.arvados.org/arvados.git/lib/controller/router"
+ "git.arvados.org/arvados.git/lib/ctrlctx"
+ "git.arvados.org/arvados.git/sdk/go/arvados"
+ "git.arvados.org/arvados.git/sdk/go/health"
+ "git.arvados.org/arvados.git/sdk/go/httpserver"
+
+ // sqlx needs lib/pq to talk to PostgreSQL
_ "github.com/lib/pq"
)
type Handler struct {
- Cluster *arvados.Cluster
- NodeProfile *arvados.NodeProfile
+ Cluster *arvados.Cluster
+ BackgroundContext context.Context
setupOnce sync.Once
+ federation *federation.Conn
handlerStack http.Handler
proxy *proxy
secureClient *http.Client
insecureClient *http.Client
- pgdb *sql.DB
- pgdbMtx sync.Mutex
+ dbConnector ctrlctx.DBConnector
+ limitLogCreate chan struct{}
}
func (h *Handler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
req.URL.Path = strings.Replace(req.URL.Path, "//", "/", -1)
}
}
- if h.Cluster.HTTPRequestTimeout > 0 {
- ctx, cancel := context.WithDeadline(req.Context(), time.Now().Add(time.Duration(h.Cluster.HTTPRequestTimeout)))
- req = req.WithContext(ctx)
- defer cancel()
- }
-
h.handlerStack.ServeHTTP(w, req)
}
func (h *Handler) CheckHealth() error {
h.setupOnce.Do(h.setup)
- _, _, err := findRailsAPI(h.Cluster, h.NodeProfile)
- return err
+ _, err := h.dbConnector.GetDB(context.TODO())
+ if err != nil {
+ return err
+ }
+ _, _, err = railsproxy.FindRailsAPI(h.Cluster)
+ if err != nil {
+ return err
+ }
+ if h.Cluster.API.VocabularyPath != "" {
+ req, err := http.NewRequest("GET", "/arvados/v1/vocabulary", nil)
+ if err != nil {
+ return err
+ }
+ var resp httptest.ResponseRecorder
+ h.handlerStack.ServeHTTP(&resp, req)
+ if resp.Result().StatusCode != http.StatusOK {
+ return fmt.Errorf("%d %s", resp.Result().StatusCode, resp.Result().Status)
+ }
+ }
+ return nil
+}
+
+func (h *Handler) Done() <-chan struct{} {
+ return nil
}
func neverRedirect(*http.Request, []*http.Request) error { return http.ErrUseLastResponse }
func (h *Handler) setup() {
mux := http.NewServeMux()
+ healthFuncs := make(map[string]health.Func)
+
+ h.dbConnector = ctrlctx.DBConnector{PostgreSQL: h.Cluster.PostgreSQL}
+ oidcAuthorizer := localdb.OIDCAccessTokenAuthorizer(h.Cluster, h.dbConnector.GetDB)
+ h.federation = federation.New(h.Cluster, &healthFuncs)
+ rtr := router.New(h.federation, router.Config{
+ MaxRequestSize: h.Cluster.API.MaxRequestSize,
+ WrapCalls: api.ComposeWrappers(
+ ctrlctx.WrapCallsInTransactions(h.dbConnector.GetDB),
+ oidcAuthorizer.WrapCalls,
+ ctrlctx.WrapCallsWithAuth(h.Cluster)),
+ })
+
+ healthRoutes := health.Routes{"ping": func() error { _, err := h.dbConnector.GetDB(context.TODO()); return err }}
+ for name, f := range healthFuncs {
+ healthRoutes[name] = f
+ }
mux.Handle("/_health/", &health.Handler{
Token: h.Cluster.ManagementToken,
Prefix: "/_health/",
- Routes: health.Routes{"ping": func() error { _, err := h.db(&http.Request{}); return err }},
+ Routes: healthRoutes,
})
+ mux.Handle("/arvados/v1/config", rtr)
+ mux.Handle("/arvados/v1/vocabulary", rtr)
+ mux.Handle("/"+arvados.EndpointUserAuthenticate.Path, rtr) // must come before .../users/
+ mux.Handle("/arvados/v1/collections", rtr)
+ mux.Handle("/arvados/v1/collections/", rtr)
+ mux.Handle("/arvados/v1/users", rtr)
+ mux.Handle("/arvados/v1/users/", rtr)
+ mux.Handle("/arvados/v1/connect/", rtr)
+ mux.Handle("/arvados/v1/container_requests", rtr)
+ mux.Handle("/arvados/v1/container_requests/", rtr)
+ mux.Handle("/arvados/v1/groups", rtr)
+ mux.Handle("/arvados/v1/groups/", rtr)
+ mux.Handle("/arvados/v1/links", rtr)
+ mux.Handle("/arvados/v1/links/", rtr)
+ mux.Handle("/login", rtr)
+ mux.Handle("/logout", rtr)
+ mux.Handle("/arvados/v1/api_client_authorizations", rtr)
+ mux.Handle("/arvados/v1/api_client_authorizations/", rtr)
+
hs := http.NotFoundHandler()
hs = prepend(hs, h.proxyRailsAPI)
+ hs = prepend(hs, h.limitLogCreateRequests)
hs = h.setupProxyRemoteCluster(hs)
+ hs = prepend(hs, oidcAuthorizer.Middleware)
mux.Handle("/", hs)
h.handlerStack = mux
ic.CheckRedirect = neverRedirect
h.insecureClient = &ic
- h.proxy = &proxy{
- Name: "arvados-controller",
+ logCreateLimit := int(float64(h.Cluster.API.MaxConcurrentRequests) * h.Cluster.API.LogCreateRequestFraction)
+ if logCreateLimit == 0 && h.Cluster.API.LogCreateRequestFraction > 0 {
+ logCreateLimit = 1
}
-}
-
-var errDBConnection = errors.New("database connection error")
+ h.limitLogCreate = make(chan struct{}, logCreateLimit)
-func (h *Handler) db(req *http.Request) (*sql.DB, error) {
- h.pgdbMtx.Lock()
- defer h.pgdbMtx.Unlock()
- if h.pgdb != nil {
- return h.pgdb, nil
+ h.proxy = &proxy{
+ Name: "arvados-controller",
}
- db, err := sql.Open("postgres", h.Cluster.PostgreSQL.Connection.String())
- if err != nil {
- httpserver.Logger(req).WithError(err).Error("postgresql connect failed")
- return nil, errDBConnection
- }
- if p := h.Cluster.PostgreSQL.ConnectionPool; p > 0 {
- db.SetMaxOpenConns(p)
- }
- if err := db.Ping(); err != nil {
- httpserver.Logger(req).WithError(err).Error("postgresql connect succeeded but ping failed")
- return nil, errDBConnection
- }
- h.pgdb = db
- return db, nil
+ go h.trashSweepWorker()
+ go h.containerLogSweepWorker()
}
type middlewareFunc func(http.ResponseWriter, *http.Request, http.Handler)
}
func (h *Handler) localClusterRequest(req *http.Request) (*http.Response, error) {
- urlOut, insecure, err := findRailsAPI(h.Cluster, h.NodeProfile)
+ urlOut, insecure, err := railsproxy.FindRailsAPI(h.Cluster)
if err != nil {
return nil, err
}
return h.proxy.Do(req, urlOut, client)
}
+func (h *Handler) limitLogCreateRequests(w http.ResponseWriter, req *http.Request, next http.Handler) {
+ if cap(h.limitLogCreate) > 0 && req.Method == http.MethodPost && strings.HasPrefix(req.URL.Path, "/arvados/v1/logs") {
+ select {
+ case h.limitLogCreate <- struct{}{}:
+ defer func() { <-h.limitLogCreate }()
+ next.ServeHTTP(w, req)
+ default:
+ http.Error(w, "Excess log messages", http.StatusServiceUnavailable)
+ }
+ return
+ }
+ next.ServeHTTP(w, req)
+}
+
func (h *Handler) proxyRailsAPI(w http.ResponseWriter, req *http.Request, next http.Handler) {
resp, err := h.localClusterRequest(req)
n, err := h.proxy.ForwardResponse(w, resp, err)
}
}
-// For now, findRailsAPI always uses the rails API running on this
-// node.
-func findRailsAPI(cluster *arvados.Cluster, np *arvados.NodeProfile) (*url.URL, bool, error) {
- hostport := np.RailsAPI.Listen
- if len(hostport) > 1 && hostport[0] == ':' && strings.TrimRight(hostport[1:], "0123456789") == "" {
- // ":12345" => connect to indicated port on localhost
- hostport = "localhost" + hostport
- } else if _, _, err := net.SplitHostPort(hostport); err == nil {
- // "[::1]:12345" => connect to indicated address & port
- } else {
- return nil, false, err
+// Use a localhost entry from Services.RailsAPI.InternalURLs if one is
+// present, otherwise choose an arbitrary entry.
+func findRailsAPI(cluster *arvados.Cluster) (*url.URL, bool, error) {
+ var best *url.URL
+ for target := range cluster.Services.RailsAPI.InternalURLs {
+ target := url.URL(target)
+ best = &target
+ if strings.HasPrefix(target.Host, "localhost:") || strings.HasPrefix(target.Host, "127.0.0.1:") || strings.HasPrefix(target.Host, "[::1]:") {
+ break
+ }
}
- proto := "http"
- if np.RailsAPI.TLS {
- proto = "https"
+ if best == nil {
+ return nil, false, fmt.Errorf("Services.RailsAPI.InternalURLs is empty")
}
- url, err := url.Parse(proto + "://" + hostport)
- return url, np.RailsAPI.Insecure, err
+ return best, cluster.TLS.Insecure, nil
}