Merge branch '10032-cwl-spinup' refs #10032
[arvados.git] / sdk / go / keepclient / keepclient.go
index a018eb40f787d963ce571b50f6f87655882bdf6d..58f3ffb8348ff7b5f9d9588e6455ae7c9e9ff18a 100644 (file)
@@ -11,7 +11,6 @@ import (
        "git.curoverse.com/arvados.git/sdk/go/streamer"
        "io"
        "io/ioutil"
-       "log"
        "net/http"
        "regexp"
        "strconv"
@@ -68,7 +67,6 @@ const X_Keep_Replicas_Stored = "X-Keep-Replicas-Stored"
 type KeepClient struct {
        Arvados            *arvadosclient.ArvadosClient
        Want_replicas      int
-       Using_proxy        bool
        localRoots         *map[string]string
        writableLocalRoots *map[string]string
        gatewayRoots       *map[string]string
@@ -78,6 +76,9 @@ type KeepClient struct {
 
        // set to 1 if all writable services are of disk type, otherwise 0
        replicasPerService int
+
+       // Any non-disk typed services found in the list of keepservers?
+       foundNonDiskSvc bool
 }
 
 // MakeKeepClient creates a new KeepClient by contacting the API server to discover Keep servers.
@@ -101,7 +102,6 @@ func New(arv *arvadosclient.ArvadosClient) *KeepClient {
        kc := &KeepClient{
                Arvados:       arv,
                Want_replicas: defaultReplicationLevel,
-               Using_proxy:   false,
                Client: &http.Client{Transport: &http.Transport{
                        TLSClientConfig: &tls.Config{InsecureSkipVerify: arv.ApiInsecure}}},
                Retries: 2,
@@ -169,10 +169,14 @@ func (kc *KeepClient) PutR(r io.Reader) (locator string, replicas int, err error
 
 func (kc *KeepClient) getOrHead(method string, locator string) (io.ReadCloser, int64, string, error) {
        var errs []string
-       var count404 int
 
        tries_remaining := 1 + kc.Retries
+
        serversToTry := kc.getSortedRoots(locator)
+
+       numServers := len(serversToTry)
+       count404 := 0
+
        var retryList []string
 
        for tries_remaining > 0 {
@@ -196,7 +200,7 @@ func (kc *KeepClient) getOrHead(method string, locator string) (io.ReadCloser, i
                                retryList = append(retryList, host)
                        } else if resp.StatusCode != http.StatusOK {
                                var respbody []byte
-                               respbody, _ = ioutil.ReadAll(&io.LimitedReader{resp.Body, 4096})
+                               respbody, _ = ioutil.ReadAll(&io.LimitedReader{R: resp.Body, N: 4096})
                                resp.Body.Close()
                                errs = append(errs, fmt.Sprintf("%s: HTTP %d %q",
                                        url, resp.StatusCode, bytes.TrimSpace(respbody)))
@@ -228,10 +232,10 @@ func (kc *KeepClient) getOrHead(method string, locator string) (io.ReadCloser, i
                }
                serversToTry = retryList
        }
-       log.Printf("DEBUG: %s %s failed: %v", method, locator, errs)
+       DebugPrintf("DEBUG: %s %s failed: %v", method, locator, errs)
 
        var err error
-       if count404 == len(kc.getSortedRoots(locator)) {
+       if count404 == numServers {
                err = BlockNotFound
        } else {
                err = &ErrNotFound{multipleResponseError{
@@ -348,7 +352,7 @@ func (kc *KeepClient) WritableLocalRoots() map[string]string {
 // caller can reuse/modify them after SetServiceRoots returns, but
 // they should not be modified by any other goroutine while
 // SetServiceRoots is running.
-func (kc *KeepClient) SetServiceRoots(newLocals, newWritableLocals map[string]string, newGateways map[string]string) {
+func (kc *KeepClient) SetServiceRoots(newLocals, newWritableLocals, newGateways map[string]string) {
        locals := make(map[string]string)
        for uuid, root := range newLocals {
                locals[uuid] = root