func TestForEach(t *testing.T) {
testCases := []sets.Int{
sets.NewInt(),
sets.NewInt(0),
sets.NewInt(0, 2, 5, 9),
sets.NewInt(0, 1, 2, 3, 4, 5, 6, 7, 8, 9),
}
for i, tc := range testCases {
m := NewAllocationMap(10, "test")
for offset := range tc {
if ok, _ := m.Allocate(offset); !ok {
t.Errorf("[%d] error allocate offset %v", i, offset)
}
if !m.Has(offset) {
t.Errorf("[%d] expect offset %v allocated", i, offset)
}
}
calls := sets.NewInt()
m.ForEach(func(i int) {
calls.Insert(i)
})
if len(calls) != len(tc) {
t.Errorf("[%d] expected %d calls, got %d", i, len(tc), len(calls))
}
if !calls.Equal(tc) {
t.Errorf("[%d] expected calls to equal testcase: %v vs %v", i, calls.List(), tc.List())
}
}
}
func TestForEach(t *testing.T) {
pr, err := net.ParsePortRange("10000-10200")
if err != nil {
t.Fatal(err)
}
testCases := []sets.Int{
sets.NewInt(),
sets.NewInt(10000),
sets.NewInt(10000, 10200),
sets.NewInt(10000, 10099, 10200),
}
for i, tc := range testCases {
r := NewPortAllocator(*pr)
for port := range tc {
if err := r.Allocate(port); err != nil {
t.Errorf("[%d] error allocating port %v: %v", i, port, err)
}
if !r.Has(port) {
t.Errorf("[%d] expected port %v allocated", i, port)
}
}
calls := sets.NewInt()
r.ForEach(func(port int) {
calls.Insert(port)
})
if len(calls) != len(tc) {
t.Errorf("[%d] expected %d calls, got %d", i, len(tc), len(calls))
}
if !calls.Equal(tc) {
t.Errorf("[%d] expected calls to equal testcase: %v vs %v", i, calls.List(), tc.List())
}
}
}
// Scans through all subsytems to find pids associated with specified cgroup.
func (m *cgroupManagerImpl) Pids(name CgroupName) []int {
// we need the driver specific name
cgroupFsName := m.Name(name)
// Get a list of processes that we need to kill
pidsToKill := sets.NewInt()
var pids []int
for _, val := range m.subsystems.MountPoints {
dir := path.Join(val, cgroupFsName)
_, err := os.Stat(dir)
if os.IsNotExist(err) {
// The subsystem pod cgroup is already deleted
// do nothing, continue
continue
}
// Get a list of pids that are still charged to the pod's cgroup
pids, err = getCgroupProcs(dir)
if err != nil {
continue
}
pidsToKill.Insert(pids...)
// WalkFunc which is called for each file and directory in the pod cgroup dir
visitor := func(path string, info os.FileInfo, err error) error {
if !info.IsDir() {
return nil
}
pids, err = getCgroupProcs(path)
if err != nil {
glog.V(5).Infof("cgroup manager encountered error getting procs for cgroup path %v", path)
return filepath.SkipDir
}
pidsToKill.Insert(pids...)
return nil
}
// Walk through the pod cgroup directory to check if
// container cgroups haven't been GCed yet. Get attached processes to
// all such unwanted containers under the pod cgroup
if err = filepath.Walk(dir, visitor); err != nil {
glog.V(5).Infof("cgroup manager encountered error scanning pids for directory: %v", dir)
}
}
return pidsToKill.List()
}
func (plugin *kubenetNetworkPlugin) Capabilities() utilsets.Int {
return utilsets.NewInt(network.NET_PLUGIN_CAPABILITY_SHAPING)
}
func (plugin *NoopNetworkPlugin) Capabilities() utilsets.Int {
return utilsets.NewInt()
}
package restclient
import (
"net/url"
"time"
"github.com/golang/glog"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/client-go/pkg/util/flowcontrol"
)
// Set of resp. Codes that we backoff for.
// In general these should be errors that indicate a server is overloaded.
// These shouldn't be configured by any user, we set them based on conventions
// described in
var serverIsOverloadedSet = sets.NewInt(429)
var maxResponseCode = 499
type BackoffManager interface {
UpdateBackoff(actualUrl *url.URL, err error, responseCode int)
CalculateBackoff(actualUrl *url.URL) time.Duration
Sleep(d time.Duration)
}
// URLBackoff struct implements the semantics on top of Backoff which
// we need for URL specific exponential backoff.
type URLBackoff struct {
// Uses backoff as underlying implementation.
Backoff *flowcontrol.Backoff
}