"io"
"io/ioutil"
"log"
+ "net"
"net/http"
"os"
"strings"
return fmt.Sprintf("%x", md5.Sum([]byte(s)))
}
+// Set timeouts apply when connecting to keepproxy services (assumed to be over
+// the Internet).
+func (this *KeepClient) setClientSettingsProxy() {
+ if this.Client.Timeout == 0 {
+ // Maximum time to wait for a complete response
+ this.Client.Timeout = 300 * time.Second
+
+ // TCP and TLS connection settings
+ this.Client.Transport = &http.Transport{
+ Dial: (&net.Dialer{
+ // The maximum time to wait to set up
+ // the initial TCP connection.
+ Timeout: 30 * time.Second,
+
+ // The TCP keep alive heartbeat
+ // interval.
+ KeepAlive: 120 * time.Second,
+ }).Dial,
+
+ TLSHandshakeTimeout: 10 * time.Second,
+ }
+ }
+
+}
+
+// Set timeouts apply when connecting to keepstore services directly (assumed
+// to be on the local network).
+func (this *KeepClient) setClientSettingsStore() {
+ if this.Client.Timeout == 0 {
+ // Maximum time to wait for a complete response
+ this.Client.Timeout = 20 * time.Second
+
+ // TCP and TLS connection timeouts
+ this.Client.Transport = &http.Transport{
+ Dial: (&net.Dialer{
+ // The maximum time to wait to set up
+ // the initial TCP connection.
+ Timeout: 2 * time.Second,
+
+ // The TCP keep alive heartbeat
+ // interval.
+ KeepAlive: 180 * time.Second,
+ }).Dial,
+
+ TLSHandshakeTimeout: 4 * time.Second,
+ }
+ }
+}
+
func (this *KeepClient) DiscoverKeepServers() error {
if prx := os.Getenv("ARVADOS_KEEP_PROXY"); prx != "" {
sr := map[string]string{"proxy": prx}
this.SetServiceRoots(sr)
this.Using_proxy = true
+ this.setClientSettingsProxy()
return nil
}
}
}
+ if this.Using_proxy {
+ this.setClientSettingsProxy()
+ } else {
+ this.setClientSettingsStore()
+ }
+
this.SetServiceRoots(service_roots)
return nil
}
func (this KeepClient) uploadToKeepServer(host string, hash string, body io.ReadCloser,
- upload_status chan<- uploadStatus, expectedLength int64, tag string) {
+ upload_status chan<- uploadStatus, expectedLength int64, requestId string) {
var req *http.Request
var err error
var url = fmt.Sprintf("%s/%s", host, hash)
if req, err = http.NewRequest("PUT", url, nil); err != nil {
- log.Printf("[%v] Error creating request PUT %v error: %v", tag, url, err.Error())
+ log.Printf("[%v] Error creating request PUT %v error: %v", requestId, url, err.Error())
upload_status <- uploadStatus{err, url, 0, 0, ""}
body.Close()
return
}
+ req.ContentLength = expectedLength
if expectedLength > 0 {
- req.ContentLength = expectedLength
+ // http.Client.Do will close the body ReadCloser when it is
+ // done with it.
+ req.Body = body
+ } else {
+ // "For client requests, a value of 0 means unknown if Body is
+ // not nil." In this case we do want the body to be empty, so
+ // don't set req.Body. However, we still need to close the
+ // body ReadCloser.
+ body.Close()
}
req.Header.Add("Authorization", fmt.Sprintf("OAuth2 %s", this.Arvados.ApiToken))
req.Header.Add(X_Keep_Desired_Replicas, fmt.Sprint(this.Want_replicas))
}
- req.Body = body
-
var resp *http.Response
if resp, err = this.Client.Do(req); err != nil {
- log.Printf("[%v] Upload failed %v error: %v", tag, url, err.Error())
+ log.Printf("[%v] Upload failed %v error: %v", requestId, url, err.Error())
upload_status <- uploadStatus{err, url, 0, 0, ""}
return
}
respbody, err2 := ioutil.ReadAll(&io.LimitedReader{resp.Body, 4096})
response := strings.TrimSpace(string(respbody))
if err2 != nil && err2 != io.EOF {
- log.Printf("[%v] Upload %v error: %v response: %v", tag, url, err2.Error(), response)
+ log.Printf("[%v] Upload %v error: %v response: %v", requestId, url, err2.Error(), response)
upload_status <- uploadStatus{err2, url, resp.StatusCode, rep, response}
} else if resp.StatusCode == http.StatusOK {
- log.Printf("[%v] Upload %v success", tag, url)
+ log.Printf("[%v] Upload %v success", requestId, url)
upload_status <- uploadStatus{nil, url, resp.StatusCode, rep, response}
} else {
- log.Printf("[%v] Upload %v error: %v response: %v", tag, url, resp.StatusCode, response)
+ log.Printf("[%v] Upload %v error: %v response: %v", requestId, url, resp.StatusCode, response)
upload_status <- uploadStatus{errors.New(resp.Status), url, resp.StatusCode, rep, response}
}
}
// Take the hash of locator and timestamp in order to identify this
// specific transaction in log statements.
- tag := fmt.Sprintf("%x", md5.Sum([]byte(locator+time.Now().String())))[0:8]
+ requestId := fmt.Sprintf("%x", md5.Sum([]byte(locator+time.Now().String())))[0:8]
// Calculate the ordering for uploading to servers
sv := NewRootSorter(this.ServiceRoots(), hash).GetSortedRoots()
for active < remaining_replicas {
// Start some upload requests
if next_server < len(sv) {
- log.Printf("[%v] Begin upload %s to %s", tag, hash, sv[next_server])
- go this.uploadToKeepServer(sv[next_server], hash, tr.MakeStreamReader(), upload_status, expectedLength, tag)
+ log.Printf("[%v] Begin upload %s to %s", requestId, hash, sv[next_server])
+ go this.uploadToKeepServer(sv[next_server], hash, tr.MakeStreamReader(), upload_status, expectedLength, requestId)
next_server += 1
active += 1
} else {
}
}
log.Printf("[%v] Replicas remaining to write: %v active uploads: %v",
- tag, remaining_replicas, active)
+ requestId, remaining_replicas, active)
// Now wait for something to happen.
status := <-upload_status
active -= 1
+
if status.statusCode == 200 {
// good news!
remaining_replicas -= status.replicas_stored
projects / arvados.git / blobdiff