"github.com/gorilla/mux"
+ "git.curoverse.com/arvados.git/sdk/go/health"
"git.curoverse.com/arvados.git/sdk/go/httpserver"
- log "github.com/Sirupsen/logrus"
)
type router struct {
// MakeRESTRouter returns a new router that forwards all Keep requests
// to the appropriate handlers.
-func MakeRESTRouter() *router {
- rest := mux.NewRouter()
- rtr := &router{Router: rest}
+func MakeRESTRouter() http.Handler {
+ rtr := &router{Router: mux.NewRouter()}
- rest.HandleFunc(
+ rtr.HandleFunc(
`/{hash:[0-9a-f]{32}}`, GetBlockHandler).Methods("GET", "HEAD")
- rest.HandleFunc(
+ rtr.HandleFunc(
`/{hash:[0-9a-f]{32}}+{hints}`,
GetBlockHandler).Methods("GET", "HEAD")
- rest.HandleFunc(`/{hash:[0-9a-f]{32}}`, PutBlockHandler).Methods("PUT")
- rest.HandleFunc(`/{hash:[0-9a-f]{32}}`, DeleteHandler).Methods("DELETE")
+ rtr.HandleFunc(`/{hash:[0-9a-f]{32}}`, PutBlockHandler).Methods("PUT")
+ rtr.HandleFunc(`/{hash:[0-9a-f]{32}}`, DeleteHandler).Methods("DELETE")
// List all blocks stored here. Privileged client only.
- rest.HandleFunc(`/index`, rtr.IndexHandler).Methods("GET", "HEAD")
+ rtr.HandleFunc(`/index`, rtr.IndexHandler).Methods("GET", "HEAD")
// List blocks stored here whose hash has the given prefix.
// Privileged client only.
- rest.HandleFunc(`/index/{prefix:[0-9a-f]{0,32}}`, rtr.IndexHandler).Methods("GET", "HEAD")
+ rtr.HandleFunc(`/index/{prefix:[0-9a-f]{0,32}}`, rtr.IndexHandler).Methods("GET", "HEAD")
// Internals/debugging info (runtime.MemStats)
- rest.HandleFunc(`/debug.json`, rtr.DebugHandler).Methods("GET", "HEAD")
+ rtr.HandleFunc(`/debug.json`, rtr.DebugHandler).Methods("GET", "HEAD")
// List volumes: path, device number, bytes used/avail.
- rest.HandleFunc(`/status.json`, rtr.StatusHandler).Methods("GET", "HEAD")
+ rtr.HandleFunc(`/status.json`, rtr.StatusHandler).Methods("GET", "HEAD")
// List mounts: UUID, readonly, tier, device ID, ...
- rest.HandleFunc(`/mounts`, rtr.MountsHandler).Methods("GET")
- rest.HandleFunc(`/mounts/{uuid}/blocks`, rtr.IndexHandler).Methods("GET")
- rest.HandleFunc(`/mounts/{uuid}/blocks/`, rtr.IndexHandler).Methods("GET")
+ rtr.HandleFunc(`/mounts`, rtr.MountsHandler).Methods("GET")
+ rtr.HandleFunc(`/mounts/{uuid}/blocks`, rtr.IndexHandler).Methods("GET")
+ rtr.HandleFunc(`/mounts/{uuid}/blocks/`, rtr.IndexHandler).Methods("GET")
// Replace the current pull queue.
- rest.HandleFunc(`/pull`, PullHandler).Methods("PUT")
+ rtr.HandleFunc(`/pull`, PullHandler).Methods("PUT")
// Replace the current trash queue.
- rest.HandleFunc(`/trash`, TrashHandler).Methods("PUT")
+ rtr.HandleFunc(`/trash`, TrashHandler).Methods("PUT")
// Untrash moves blocks from trash back into store
- rest.HandleFunc(`/untrash/{hash:[0-9a-f]{32}}`, UntrashHandler).Methods("PUT")
+ rtr.HandleFunc(`/untrash/{hash:[0-9a-f]{32}}`, UntrashHandler).Methods("PUT")
- // Health check ping
- rest.HandleFunc(`/_health/ping`, HealthCheckPingHandler).Methods("GET")
+ rtr.Handle("/_health/{check}", &health.Handler{
+ Token: theConfig.ManagementToken,
+ Prefix: "/_health/",
+ }).Methods("GET")
// Any request which does not match any of these routes gets
// 400 Bad Request.
- rest.NotFoundHandler = http.HandlerFunc(BadRequestHandler)
+ rtr.NotFoundHandler = http.HandlerFunc(BadRequestHandler)
- return rtr
+ theConfig.metrics.setup()
+
+ rtr.limiter = httpserver.NewRequestLimiter(theConfig.MaxRequests, rtr)
+
+ mux := http.NewServeMux()
+ mux.Handle("/", theConfig.metrics.Instrument(
+ httpserver.AddRequestIDs(httpserver.LogRequests(rtr.limiter))))
+ mux.HandleFunc("/metrics.json", theConfig.metrics.exportJSON)
+ mux.Handle("/metrics", theConfig.metrics.exportProm)
+
+ return mux
}
// BadRequestHandler is a HandleFunc to address bad requests.
// PoolStatus struct
type PoolStatus struct {
- Alloc uint64 `json:"BytesAllocated"`
+ Alloc uint64 `json:"BytesAllocatedCumulative"`
Cap int `json:"BuffersMax"`
Len int `json:"BuffersInUse"`
}
TrashQueue WorkQueueStatus
RequestsCurrent int
RequestsMax int
+ Version string
}
var st NodeStatus
// populate the given NodeStatus struct with current values.
func (rtr *router) readNodeStatus(st *NodeStatus) {
+ st.Version = version
vols := KeepVM.AllReadable()
if cap(st.Volumes) < len(vols) {
st.Volumes = make([]*volumeStatusEnt, len(vols))
}
}
-var pingResponseOK = map[string]string{"health": "OK"}
-
-// HealthCheckPingHandler processes "GET /_health/ping" requests
-func HealthCheckPingHandler(resp http.ResponseWriter, req *http.Request) {
- healthCheckDo(resp, req, pingResponseOK)
-}
-
-func healthCheckDo(resp http.ResponseWriter, req *http.Request, v interface{}) {
- msg, code := healthCheckAuth(resp, req)
- if msg != "" {
- http.Error(resp, msg, code)
- return
- }
-
- ok, err := json.Marshal(v)
- if err != nil {
- http.Error(resp, err.Error(), 500)
- }
-
- resp.Write(ok)
-}
-
-func healthCheckAuth(resp http.ResponseWriter, req *http.Request) (string, int) {
- if theConfig.ManagementToken == "" {
- return "disabled", http.StatusNotFound
- } else if h := req.Header.Get("Authorization"); h == "" {
- return "authorization required", http.StatusUnauthorized
- } else if h != "Bearer "+theConfig.ManagementToken {
- return "authorization error", http.StatusForbidden
- }
- return "", 0
-}
-
// GetBlock and PutBlock implement lower-level code for handling
// blocks by rooting through volumes connected to the local machine.
// Once the handler has determined that system policy permits the
projects / arvados.git / blobdiff