Upgrade server dependencies, manage them with govendor
This commit is contained in:
parent
ebee2746d6
commit
971278e7e5
1748 changed files with 196165 additions and 194500 deletions
21
vendor/github.com/jpillora/backoff/LICENSE
generated
vendored
Normal file
21
vendor/github.com/jpillora/backoff/LICENSE
generated
vendored
Normal file
|
@ -0,0 +1,21 @@
|
|||
The MIT License (MIT)
|
||||
|
||||
Copyright (c) 2017 Jaime Pillora
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
of this software and associated documentation files (the "Software"), to deal
|
||||
in the Software without restriction, including without limitation the rights
|
||||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
copies of the Software, and to permit persons to whom the Software is
|
||||
furnished to do so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in all
|
||||
copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
SOFTWARE.
|
33
vendor/github.com/jpillora/backoff/README.md
generated
vendored
33
vendor/github.com/jpillora/backoff/README.md
generated
vendored
|
@ -1,8 +1,8 @@
|
|||
# Backoff
|
||||
|
||||
A simple backoff algorithm in Go (Golang)
|
||||
A simple exponential backoff counter in Go (Golang)
|
||||
|
||||
[](https://godoc.org/github.com/jpillora/backoff)
|
||||
[](https://godoc.org/github.com/jpillora/backoff) [](https://circleci.com/gh/jpillora/backoff)
|
||||
|
||||
### Install
|
||||
|
||||
|
@ -110,29 +110,10 @@ Reset!
|
|||
214.957989ms
|
||||
```
|
||||
|
||||
#### Documentation
|
||||
|
||||
https://godoc.org/github.com/jpillora/backoff
|
||||
|
||||
#### Credits
|
||||
|
||||
Ported from some JavaScript written by [@tj](https://github.com/tj)
|
||||
|
||||
#### MIT License
|
||||
|
||||
Copyright © 2015 Jaime Pillora <dev@jpillora.com>
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining
|
||||
a copy of this software and associated documentation files (the
|
||||
'Software'), to deal in the Software without restriction, including
|
||||
without limitation the rights to use, copy, modify, merge, publish,
|
||||
distribute, sublicense, and/or sell copies of the Software, and to
|
||||
permit persons to whom the Software is furnished to do so, subject to
|
||||
the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be
|
||||
included in all copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
|
||||
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
Forked from some JavaScript written by [@tj](https://github.com/tj)
|
102
vendor/github.com/jpillora/backoff/backoff.go
generated
vendored
102
vendor/github.com/jpillora/backoff/backoff.go
generated
vendored
|
@ -1,3 +1,4 @@
|
|||
// Package backoff provides an exponential-backoff implementation.
|
||||
package backoff
|
||||
|
||||
import (
|
||||
|
@ -6,49 +7,82 @@ import (
|
|||
"time"
|
||||
)
|
||||
|
||||
//Backoff is a time.Duration counter. It starts at Min.
|
||||
//After every call to Duration() it is multiplied by Factor.
|
||||
//It is capped at Max. It returns to Min on every call to Reset().
|
||||
//Used in conjunction with the time package.
|
||||
// Backoff is a time.Duration counter, starting at Min. After every call to
|
||||
// the Duration method the current timing is multiplied by Factor, but it
|
||||
// never exceeds Max.
|
||||
//
|
||||
// Backoff is not generally concurrent-safe, but the ForAttempt method can
|
||||
// be used concurrently.
|
||||
type Backoff struct {
|
||||
//Factor is the multiplying factor for each increment step
|
||||
attempts, Factor float64
|
||||
attempt, Factor float64
|
||||
//Jitter eases contention by randomizing backoff steps
|
||||
Jitter bool
|
||||
//Min and Max are the minimum and maximum values of the counter
|
||||
Min, Max time.Duration
|
||||
}
|
||||
|
||||
//Returns the current value of the counter and then
|
||||
//multiplies it Factor
|
||||
// Duration returns the duration for the current attempt before incrementing
|
||||
// the attempt counter. See ForAttempt.
|
||||
func (b *Backoff) Duration() time.Duration {
|
||||
//Zero-values are nonsensical, so we use
|
||||
//them to apply defaults
|
||||
if b.Min == 0 {
|
||||
b.Min = 100 * time.Millisecond
|
||||
}
|
||||
if b.Max == 0 {
|
||||
b.Max = 10 * time.Second
|
||||
}
|
||||
if b.Factor == 0 {
|
||||
b.Factor = 2
|
||||
}
|
||||
//calculate this duration
|
||||
dur := float64(b.Min) * math.Pow(b.Factor, b.attempts)
|
||||
if b.Jitter == true {
|
||||
dur = rand.Float64()*(dur-float64(b.Min)) + float64(b.Min)
|
||||
}
|
||||
//cap!
|
||||
if dur > float64(b.Max) {
|
||||
return b.Max
|
||||
}
|
||||
//bump attempts count
|
||||
b.attempts++
|
||||
//return as a time.Duration
|
||||
return time.Duration(dur)
|
||||
d := b.ForAttempt(b.attempt)
|
||||
b.attempt++
|
||||
return d
|
||||
}
|
||||
|
||||
//Resets the current value of the counter back to Min
|
||||
func (b *Backoff) Reset() {
|
||||
b.attempts = 0
|
||||
const maxInt64 = float64(math.MaxInt64 - 512)
|
||||
|
||||
// ForAttempt returns the duration for a specific attempt. This is useful if
|
||||
// you have a large number of independent Backoffs, but don't want use
|
||||
// unnecessary memory storing the Backoff parameters per Backoff. The first
|
||||
// attempt should be 0.
|
||||
//
|
||||
// ForAttempt is concurrent-safe.
|
||||
func (b *Backoff) ForAttempt(attempt float64) time.Duration {
|
||||
// Zero-values are nonsensical, so we use
|
||||
// them to apply defaults
|
||||
min := b.Min
|
||||
if min <= 0 {
|
||||
min = 100 * time.Millisecond
|
||||
}
|
||||
max := b.Max
|
||||
if max <= 0 {
|
||||
max = 10 * time.Second
|
||||
}
|
||||
if min >= max {
|
||||
// short-circuit
|
||||
return max
|
||||
}
|
||||
factor := b.Factor
|
||||
if factor <= 0 {
|
||||
factor = 2
|
||||
}
|
||||
//calculate this duration
|
||||
minf := float64(min)
|
||||
durf := minf * math.Pow(factor, attempt)
|
||||
if b.Jitter {
|
||||
durf = rand.Float64()*(durf-minf) + minf
|
||||
}
|
||||
//ensure float64 wont overflow int64
|
||||
if durf > maxInt64 {
|
||||
return max
|
||||
}
|
||||
dur := time.Duration(durf)
|
||||
//keep within bounds
|
||||
if dur < min {
|
||||
return min
|
||||
} else if dur > max {
|
||||
return max
|
||||
}
|
||||
return dur
|
||||
}
|
||||
|
||||
// Reset restarts the current attempt counter at zero.
|
||||
func (b *Backoff) Reset() {
|
||||
b.attempt = 0
|
||||
}
|
||||
|
||||
// Attempt returns the current attempt counter value.
|
||||
func (b *Backoff) Attempt() float64 {
|
||||
return b.attempt
|
||||
}
|
||||
|
|
81
vendor/github.com/jpillora/backoff/backoff_test.go
generated
vendored
81
vendor/github.com/jpillora/backoff/backoff_test.go
generated
vendored
|
@ -1,81 +0,0 @@
|
|||
package backoff
|
||||
|
||||
import (
|
||||
"testing"
|
||||
"time"
|
||||
)
|
||||
|
||||
func Test1(t *testing.T) {
|
||||
|
||||
b := &Backoff{
|
||||
Min: 100 * time.Millisecond,
|
||||
Max: 10 * time.Second,
|
||||
Factor: 2,
|
||||
}
|
||||
|
||||
equals(t, b.Duration(), 100*time.Millisecond)
|
||||
equals(t, b.Duration(), 200*time.Millisecond)
|
||||
equals(t, b.Duration(), 400*time.Millisecond)
|
||||
b.Reset()
|
||||
equals(t, b.Duration(), 100*time.Millisecond)
|
||||
}
|
||||
|
||||
func Test2(t *testing.T) {
|
||||
|
||||
b := &Backoff{
|
||||
Min: 100 * time.Millisecond,
|
||||
Max: 10 * time.Second,
|
||||
Factor: 1.5,
|
||||
}
|
||||
|
||||
equals(t, b.Duration(), 100*time.Millisecond)
|
||||
equals(t, b.Duration(), 150*time.Millisecond)
|
||||
equals(t, b.Duration(), 225*time.Millisecond)
|
||||
b.Reset()
|
||||
equals(t, b.Duration(), 100*time.Millisecond)
|
||||
}
|
||||
|
||||
func Test3(t *testing.T) {
|
||||
|
||||
b := &Backoff{
|
||||
Min: 100 * time.Nanosecond,
|
||||
Max: 10 * time.Second,
|
||||
Factor: 1.75,
|
||||
}
|
||||
|
||||
equals(t, b.Duration(), 100*time.Nanosecond)
|
||||
equals(t, b.Duration(), 175*time.Nanosecond)
|
||||
equals(t, b.Duration(), 306*time.Nanosecond)
|
||||
b.Reset()
|
||||
equals(t, b.Duration(), 100*time.Nanosecond)
|
||||
}
|
||||
|
||||
func TestJitter(t *testing.T) {
|
||||
b := &Backoff{
|
||||
Min: 100 * time.Millisecond,
|
||||
Max: 10 * time.Second,
|
||||
Factor: 2,
|
||||
Jitter: true,
|
||||
}
|
||||
|
||||
equals(t, b.Duration(), 100*time.Millisecond)
|
||||
between(t, b.Duration(), 100*time.Millisecond, 200*time.Millisecond)
|
||||
between(t, b.Duration(), 100*time.Millisecond, 400*time.Millisecond)
|
||||
b.Reset()
|
||||
equals(t, b.Duration(), 100*time.Millisecond)
|
||||
}
|
||||
|
||||
func between(t *testing.T, actual, low, high time.Duration) {
|
||||
if actual < low {
|
||||
t.Fatalf("Got %s, Expecting >= %s", actual, low)
|
||||
}
|
||||
if actual > high {
|
||||
t.Fatalf("Got %s, Expecting <= %s", actual, high)
|
||||
}
|
||||
}
|
||||
|
||||
func equals(t *testing.T, d1, d2 time.Duration) {
|
||||
if d1 != d2 {
|
||||
t.Fatalf("Got %s, Expecting %s", d1, d2)
|
||||
}
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue