package controller
import (
- "database/sql"
+ "context"
"errors"
- "net"
+ "fmt"
"net/http"
"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/federation"
+ "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/ctxlog"
+ "git.arvados.org/arvados.git/sdk/go/health"
+ "git.arvados.org/arvados.git/sdk/go/httpserver"
+ "github.com/jmoiron/sqlx"
_ "github.com/lib/pq"
)
type Handler struct {
- Cluster *arvados.Cluster
- NodeProfile *arvados.NodeProfile
+ Cluster *arvados.Cluster
setupOnce sync.Once
handlerStack http.Handler
proxy *proxy
secureClient *http.Client
insecureClient *http.Client
- pgdb *sql.DB
+ pgdb *sqlx.DB
pgdbMtx sync.Mutex
}
req.URL.Path = strings.Replace(req.URL.Path, "//", "/", -1)
}
}
+ if h.Cluster.API.RequestTimeout > 0 {
+ ctx, cancel := context.WithDeadline(req.Context(), time.Now().Add(time.Duration(h.Cluster.API.RequestTimeout)))
+ 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)
+ _, err := h.db(context.TODO())
+ if err != nil {
+ return err
+ }
+ _, _, err = railsproxy.FindRailsAPI(h.Cluster)
return err
}
+func (h *Handler) Done() <-chan struct{} {
+ return nil
+}
+
func neverRedirect(*http.Request, []*http.Request) error { return http.ErrUseLastResponse }
func (h *Handler) setup() {
mux.Handle("/_health/", &health.Handler{
Token: h.Cluster.ManagementToken,
Prefix: "/_health/",
+ Routes: health.Routes{"ping": func() error { _, err := h.db(context.TODO()); return err }},
})
+
+ rtr := router.New(federation.New(h.Cluster), ctrlctx.WrapCallsInTransactions(h.db))
+ mux.Handle("/arvados/v1/config", rtr)
+ mux.Handle("/"+arvados.EndpointUserAuthenticate.Path, rtr)
+
+ if !h.Cluster.ForceLegacyAPI14 {
+ 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("/login", rtr)
+ mux.Handle("/logout", rtr)
+ }
+
hs := http.NotFoundHandler()
hs = prepend(hs, h.proxyRailsAPI)
hs = h.setupProxyRemoteCluster(hs)
h.handlerStack = mux
sc := *arvados.DefaultSecureClient
- sc.Timeout = time.Duration(h.Cluster.HTTPRequestTimeout)
sc.CheckRedirect = neverRedirect
h.secureClient = &sc
ic := *arvados.InsecureHTTPClient
- ic.Timeout = time.Duration(h.Cluster.HTTPRequestTimeout)
ic.CheckRedirect = neverRedirect
h.insecureClient = &ic
h.proxy = &proxy{
- Name: "arvados-controller",
- RequestTimeout: time.Duration(h.Cluster.HTTPRequestTimeout),
+ Name: "arvados-controller",
}
}
var errDBConnection = errors.New("database connection error")
-func (h *Handler) db(req *http.Request) (*sql.DB, error) {
+func (h *Handler) db(ctx context.Context) (*sqlx.DB, error) {
h.pgdbMtx.Lock()
defer h.pgdbMtx.Unlock()
if h.pgdb != nil {
return h.pgdb, nil
}
- db, err := sql.Open("postgres", h.Cluster.PostgreSQL.Connection.String())
+ db, err := sqlx.Open("postgres", h.Cluster.PostgreSQL.Connection.String())
if err != nil {
- httpserver.Logger(req).WithError(err).Error("postgresql connect failed")
+ ctxlog.FromContext(ctx).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")
+ ctxlog.FromContext(ctx).WithError(err).Error("postgresql connect scuceeded but ping failed")
return nil, errDBConnection
}
h.pgdb = db
})
}
-// localClusterRequest sets up a request so it can be proxied to the
-// local API server using proxy.Do(). Returns true if a response was
-// written, false if not.
-func (h *Handler) localClusterRequest(w http.ResponseWriter, req *http.Request, filter ResponseFilter) bool {
- urlOut, insecure, err := findRailsAPI(h.Cluster, h.NodeProfile)
+func (h *Handler) localClusterRequest(req *http.Request) (*http.Response, error) {
+ urlOut, insecure, err := railsproxy.FindRailsAPI(h.Cluster)
if err != nil {
- httpserver.Error(w, err.Error(), http.StatusInternalServerError)
- return true
+ return nil, err
}
urlOut = &url.URL{
Scheme: urlOut.Scheme,
if insecure {
client = h.insecureClient
}
- return h.proxy.Do(w, req, urlOut, client, filter)
+ return h.proxy.Do(req, urlOut, client)
}
func (h *Handler) proxyRailsAPI(w http.ResponseWriter, req *http.Request, next http.Handler) {
- if !h.localClusterRequest(w, req, nil) && next != nil {
- next.ServeHTTP(w, req)
+ resp, err := h.localClusterRequest(req)
+ n, err := h.proxy.ForwardResponse(w, resp, err)
+ if err != nil {
+ httpserver.Logger(req).WithError(err).WithField("bytesCopied", n).Error("error copying response body")
}
}
-// 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
}