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Set ExecSync timeout in liveness prober.

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This commit is contained in:
Lantao Liu 2017-08-04 22:26:43 +00:00
parent 90a45b2df3
commit ef29b836c0
2 changed files with 10 additions and 4 deletions
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2
pkg/kubelet/kuberuntime/kuberuntime_container.go
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@ -763,7 +763,7 @@ func (m *kubeGenericRuntimeManager) GetAttach(id kubecontainer.ContainerID, stdi
// RunInContainer synchronously executes the command in the container, and returns the output.
func (m *kubeGenericRuntimeManager) RunInContainer(id kubecontainer.ContainerID, cmd []string, timeout time.Duration) ([]byte, error) {
stdout, stderr, err := m.runtimeService.ExecSync(id.ID, cmd, 0)
stdout, stderr, err := m.runtimeService.ExecSync(id.ID, cmd, timeout)
// NOTE(tallclair): This does not correctly interleave stdout & stderr, but should be sufficient
// for logging purposes. A combined output option will need to be added to the ExecSyncRequest
// if more precise output ordering is ever required.

12
pkg/kubelet/remote/remote_runtime.go
View File

@ -23,6 +23,7 @@ import (
"time"
"github.com/golang/glog"
"golang.org/x/net/context"
"google.golang.org/grpc"
internalapi "k8s.io/kubernetes/pkg/kubelet/apis/cri"
@ -291,9 +292,14 @@ func (r *RemoteRuntimeService) ContainerStatus(containerID string) (*runtimeapi.
// ExecSync executes a command in the container, and returns the stdout output.
// If command exits with a non-zero exit code, an error is returned.
func (r *RemoteRuntimeService) ExecSync(containerID string, cmd []string, timeout time.Duration) (stdout []byte, stderr []byte, err error) {
ctx, cancel := getContextWithTimeout(timeout)
if timeout == 0 {
// Do not set timeout when timeout is 0.
// Do not set timeout when timeout is 0.
var ctx context.Context
var cancel context.CancelFunc
if timeout != 0 {
// Use timeout + default timeout (2 minutes) as timeout to leave some time for
// the runtime to do cleanup.
ctx, cancel = getContextWithTimeout(r.timeout + timeout)
} else {
ctx, cancel = getContextWithCancel()
}
defer cancel()