Add a storage layer for attachments (#11387)

* Add a storage layer for attachments * Fix some bug * fix test * Fix copyright head and lint * Fix bug * Add setting for minio and flags for migrate-storage * Add documents * fix lint * Add test for minio store type on attachments * fix test * fix test * Apply suggestions from code review Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com> * Add warning when storage migrated successfully * Fix drone * fix test * rebase * Fix test * display the error on console * Move minio test to amd64 since minio docker don't support arm64 * refactor the codes * add trace * Fix test * remove log on xorm * Fi download bug * Add a storage layer for attachments * Add setting for minio and flags for migrate-storage * fix lint * Add test for minio store type on attachments * Apply suggestions from code review Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com> * Fix drone * fix test * Fix test * display the error on console * Move minio test to amd64 since minio docker don't support arm64 * refactor the codes * add trace * Fix test * Add URL function to serve attachments directly from S3/Minio * Add ability to enable/disable redirection in attachment configuration * Fix typo * Add a storage layer for attachments * Add setting for minio and flags for migrate-storage * fix lint * Add test for minio store type on attachments * Apply suggestions from code review Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com> * Fix drone * fix test * Fix test * display the error on console * Move minio test to amd64 since minio docker don't support arm64 * don't change unrelated files * Fix lint * Fix build * update go.mod and go.sum * Use github.com/minio/minio-go/v6 * Remove unused function * Upgrade minio to v7 and some other improvements * fix lint * Fix go mod Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com> Co-authored-by: Tyler <tystuyfzand@gmail.com>
2020-08-18 12:23:45 +08:00 · 2020-08-18 12:23:45 +08:00 · 62e6c9bc6c
commit 62e6c9bc6c
parent 02fbe1e5dc
330 changed files with 62099 additions and 331 deletions
--- a/vendor/github.com/minio/minio-go/v7/retry.go
+++ b/vendor/github.com/minio/minio-go/v7/retry.go
@ -0,0 +1,124 @@
+/*
+ * MinIO Go Library for Amazon S3 Compatible Cloud Storage
+ * Copyright 2015-2017 MinIO, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package minio
+
+import (
+	"context"
+	"net/http"
+	"time"
+)
+
+// MaxRetry is the maximum number of retries before stopping.
+var MaxRetry = 10
+
+// MaxJitter will randomize over the full exponential backoff time
+const MaxJitter = 1.0
+
+// NoJitter disables the use of jitter for randomizing the exponential backoff time
+const NoJitter = 0.0
+
+// DefaultRetryUnit - default unit multiplicative per retry.
+// defaults to 1 second.
+const DefaultRetryUnit = time.Second
+
+// DefaultRetryCap - Each retry attempt never waits no longer than
+// this maximum time duration.
+const DefaultRetryCap = time.Second * 30
+
+// newRetryTimer creates a timer with exponentially increasing
+// delays until the maximum retry attempts are reached.
+func (c Client) newRetryTimer(ctx context.Context, maxRetry int, unit time.Duration, cap time.Duration, jitter float64) <-chan int {
+	attemptCh := make(chan int)
+
+	// computes the exponential backoff duration according to
+	// https://www.awsarchitectureblog.com/2015/03/backoff.html
+	exponentialBackoffWait := func(attempt int) time.Duration {
+		// normalize jitter to the range [0, 1.0]
+		if jitter < NoJitter {
+			jitter = NoJitter
+		}
+		if jitter > MaxJitter {
+			jitter = MaxJitter
+		}
+
+		//sleep = random_between(0, min(cap, base * 2 ** attempt))
+		sleep := unit * time.Duration(1<<uint(attempt))
+		if sleep > cap {
+			sleep = cap
+		}
+		if jitter != NoJitter {
+			sleep -= time.Duration(c.random.Float64() * float64(sleep) * jitter)
+		}
+		return sleep
+	}
+
+	go func() {
+		defer close(attemptCh)
+		for i := 0; i < maxRetry; i++ {
+			select {
+			case attemptCh <- i + 1:
+			case <-ctx.Done():
+				return
+			}
+
+			select {
+			case <-time.After(exponentialBackoffWait(i)):
+			case <-ctx.Done():
+				return
+			}
+		}
+	}()
+	return attemptCh
+}
+
+// List of AWS S3 error codes which are retryable.
+var retryableS3Codes = map[string]struct{}{
+	"RequestError":          {},
+	"RequestTimeout":        {},
+	"Throttling":            {},
+	"ThrottlingException":   {},
+	"RequestLimitExceeded":  {},
+	"RequestThrottled":      {},
+	"InternalError":         {},
+	"ExpiredToken":          {},
+	"ExpiredTokenException": {},
+	"SlowDown":              {},
+	// Add more AWS S3 codes here.
+}
+
+// isS3CodeRetryable - is s3 error code retryable.
+func isS3CodeRetryable(s3Code string) (ok bool) {
+	_, ok = retryableS3Codes[s3Code]
+	return ok
+}
+
+// List of HTTP status codes which are retryable.
+var retryableHTTPStatusCodes = map[int]struct{}{
+	429:                            {}, // http.StatusTooManyRequests is not part of the Go 1.5 library, yet
+	http.StatusInternalServerError: {},
+	http.StatusBadGateway:          {},
+	http.StatusServiceUnavailable:  {},
+	http.StatusGatewayTimeout:      {},
+	// Add more HTTP status codes here.
+}
+
+// isHTTPStatusRetryable - is HTTP error code retryable.
+func isHTTPStatusRetryable(httpStatusCode int) (ok bool) {
+	_, ok = retryableHTTPStatusCodes[httpStatusCode]
+	return ok
+}