From 9aba605ddecc84e070a55019bb34109c5d5fd9b6 Mon Sep 17 00:00:00 2001
From: baude <bbaude@redhat.com>
Date: Fri, 23 Mar 2018 09:00:42 -0500
Subject: Remove dependency on kubernetes

podman parse and attach were using a very small portion of the kubernetes code
but using it caused a signficant increase in binary size.

Signed-off-by: baude <bbaude@redhat.com>

Closes: #559
Approved by: rhatdan
---
 .../pkg/kubelet/container/runtime_cache.go         | 96 ----------------------
 1 file changed, 96 deletions(-)
 delete mode 100644 vendor/k8s.io/kubernetes/pkg/kubelet/container/runtime_cache.go

(limited to 'vendor/k8s.io/kubernetes/pkg/kubelet/container/runtime_cache.go')

diff --git a/vendor/k8s.io/kubernetes/pkg/kubelet/container/runtime_cache.go b/vendor/k8s.io/kubernetes/pkg/kubelet/container/runtime_cache.go
deleted file mode 100644
index d15852f88..000000000
--- a/vendor/k8s.io/kubernetes/pkg/kubelet/container/runtime_cache.go
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
-Copyright 2015 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 container
-
-import (
-	"sync"
-	"time"
-)
-
-var (
-	// TODO(yifan): Maybe set the them as parameters for NewCache().
-	defaultCachePeriod = time.Second * 2
-)
-
-type RuntimeCache interface {
-	GetPods() ([]*Pod, error)
-	ForceUpdateIfOlder(time.Time) error
-}
-
-type podsGetter interface {
-	GetPods(bool) ([]*Pod, error)
-}
-
-// NewRuntimeCache creates a container runtime cache.
-func NewRuntimeCache(getter podsGetter) (RuntimeCache, error) {
-	return &runtimeCache{
-		getter: getter,
-	}, nil
-}
-
-// runtimeCache caches a list of pods. It records a timestamp (cacheTime) right
-// before updating the pods, so the timestamp is at most as new as the pods
-// (and can be slightly older). The timestamp always moves forward. Callers are
-// expected not to modify the pods returned from GetPods.
-type runtimeCache struct {
-	sync.Mutex
-	// The underlying container runtime used to update the cache.
-	getter podsGetter
-	// Last time when cache was updated.
-	cacheTime time.Time
-	// The content of the cache.
-	pods []*Pod
-}
-
-// GetPods returns the cached pods if they are not outdated; otherwise, it
-// retrieves the latest pods and return them.
-func (r *runtimeCache) GetPods() ([]*Pod, error) {
-	r.Lock()
-	defer r.Unlock()
-	if time.Since(r.cacheTime) > defaultCachePeriod {
-		if err := r.updateCache(); err != nil {
-			return nil, err
-		}
-	}
-	return r.pods, nil
-}
-
-func (r *runtimeCache) ForceUpdateIfOlder(minExpectedCacheTime time.Time) error {
-	r.Lock()
-	defer r.Unlock()
-	if r.cacheTime.Before(minExpectedCacheTime) {
-		return r.updateCache()
-	}
-	return nil
-}
-
-func (r *runtimeCache) updateCache() error {
-	pods, timestamp, err := r.getPodsWithTimestamp()
-	if err != nil {
-		return err
-	}
-	r.pods, r.cacheTime = pods, timestamp
-	return nil
-}
-
-// getPodsWithTimestamp records a timestamp and retrieves pods from the getter.
-func (r *runtimeCache) getPodsWithTimestamp() ([]*Pod, time.Time, error) {
-	// Always record the timestamp before getting the pods to avoid stale pods.
-	timestamp := time.Now()
-	pods, err := r.getter.GetPods(false)
-	return pods, timestamp, err
-}
-- 
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