diff options
Diffstat (limited to 'vendor/k8s.io/client-go/util')
| -rw-r--r-- | vendor/k8s.io/client-go/util/buffer/ring_growing.go | 72 | ||||
| -rw-r--r-- | vendor/k8s.io/client-go/util/retry/util.go | 79 |
2 files changed, 0 insertions, 151 deletions
diff --git a/vendor/k8s.io/client-go/util/buffer/ring_growing.go b/vendor/k8s.io/client-go/util/buffer/ring_growing.go deleted file mode 100644 index 86965a513..000000000 --- a/vendor/k8s.io/client-go/util/buffer/ring_growing.go +++ /dev/null @@ -1,72 +0,0 @@ -/* -Copyright 2017 The Kubernetes Authors. - -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 buffer - -// RingGrowing is a growing ring buffer. -// Not thread safe. -type RingGrowing struct { - data []interface{} - n int // Size of Data - beg int // First available element - readable int // Number of data items available -} - -// NewRingGrowing constructs a new RingGrowing instance with provided parameters. -func NewRingGrowing(initialSize int) *RingGrowing { - return &RingGrowing{ - data: make([]interface{}, initialSize), - n: initialSize, - } -} - -// ReadOne reads (consumes) first item from the buffer if it is available, otherwise returns false. -func (r *RingGrowing) ReadOne() (data interface{}, ok bool) { - if r.readable == 0 { - return nil, false - } - r.readable-- - element := r.data[r.beg] - r.data[r.beg] = nil // Remove reference to the object to help GC - if r.beg == r.n-1 { - // Was the last element - r.beg = 0 - } else { - r.beg++ - } - return element, true -} - -// WriteOne adds an item to the end of the buffer, growing it if it is full. -func (r *RingGrowing) WriteOne(data interface{}) { - if r.readable == r.n { - // Time to grow - newN := r.n * 2 - newData := make([]interface{}, newN) - to := r.beg + r.readable - if to <= r.n { - copy(newData, r.data[r.beg:to]) - } else { - copied := copy(newData, r.data[r.beg:]) - copy(newData[copied:], r.data[:(to%r.n)]) - } - r.beg = 0 - r.data = newData - r.n = newN - } - r.data[(r.readable+r.beg)%r.n] = data - r.readable++ -} diff --git a/vendor/k8s.io/client-go/util/retry/util.go b/vendor/k8s.io/client-go/util/retry/util.go deleted file mode 100644 index 3ac0840ad..000000000 --- a/vendor/k8s.io/client-go/util/retry/util.go +++ /dev/null @@ -1,79 +0,0 @@ -/* -Copyright 2016 The Kubernetes Authors. - -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 retry - -import ( - "time" - - "k8s.io/apimachinery/pkg/api/errors" - "k8s.io/apimachinery/pkg/util/wait" -) - -// DefaultRetry is the recommended retry for a conflict where multiple clients -// are making changes to the same resource. -var DefaultRetry = wait.Backoff{ - Steps: 5, - Duration: 10 * time.Millisecond, - Factor: 1.0, - Jitter: 0.1, -} - -// DefaultBackoff is the recommended backoff for a conflict where a client -// may be attempting to make an unrelated modification to a resource under -// active management by one or more controllers. -var DefaultBackoff = wait.Backoff{ - Steps: 4, - Duration: 10 * time.Millisecond, - Factor: 5.0, - Jitter: 0.1, -} - -// RetryConflict executes the provided function repeatedly, retrying if the server returns a conflicting -// write. Callers should preserve previous executions if they wish to retry changes. It performs an -// exponential backoff. -// -// var pod *api.Pod -// err := RetryOnConflict(DefaultBackoff, func() (err error) { -// pod, err = c.Pods("mynamespace").UpdateStatus(podStatus) -// return -// }) -// if err != nil { -// // may be conflict if max retries were hit -// return err -// } -// ... -// -// TODO: Make Backoff an interface? -func RetryOnConflict(backoff wait.Backoff, fn func() error) error { - var lastConflictErr error - err := wait.ExponentialBackoff(backoff, func() (bool, error) { - err := fn() - switch { - case err == nil: - return true, nil - case errors.IsConflict(err): - lastConflictErr = err - return false, nil - default: - return false, err - } - }) - if err == wait.ErrWaitTimeout { - err = lastConflictErr - } - return err -} |