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Merge pull request #56762 from verb/paws

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Automatic merge from submit-queue (batch tested with PRs 54278, 56259, 56762). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

New release for pause container

**What this PR does / why we need it**:

This PR bumps the TAG for the pause container so that we can build a new release with affecting older Kubernetes releases. Once the new release has been pushed to gcr.io/google_containers, I will follow up with a PR to update the kubelet/runtimes to use the new container.

In addition to bumping the tag, this PR also:

* Updates the pause Makefile to reflect a name change in the arm compiler used in kube-cross
* Adds a very simple version string to pause.c to help troubleshoot issues like #50865 in the future.

**Which issue(s) this PR fixes**:
First of two PRs for #56253, #50865

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```
This commit is contained in:
Kubernetes Submit Queue 2017-12-20 12:32:38 -08:00 committed by GitHub
commit 2f1408ebf7
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2 changed files with 23 additions and 5 deletions
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7
build/pause/Makefile
View File

@ -18,14 +18,15 @@ REGISTRY ?= k8s.gcr.io
IMAGE = $(REGISTRY)/pause-$(ARCH)
LEGACY_AMD64_IMAGE = $(REGISTRY)/pause
TAG = 3.0
TAG = 3.1
REV = $(shell git describe --contains --always --match='v*')
# Architectures supported: amd64, arm, arm64, ppc64le and s390x
ARCH ?= amd64
ALL_ARCH = amd64 arm arm64 ppc64le s390x
CFLAGS = -Os -Wall -Werror -static
CFLAGS = -Os -Wall -Werror -static -DVERSION=v$(TAG)-$(REV)
KUBE_CROSS_IMAGE ?= k8s.gcr.io/kube-cross
KUBE_CROSS_VERSION ?= $(shell cat ../build-image/cross/VERSION)
@ -37,7 +38,7 @@ ifeq ($(ARCH),amd64)
endif
ifeq ($(ARCH),arm)
TRIPLE ?= arm-linux-gnueabi
TRIPLE ?= arm-linux-gnueabihf
endif
ifeq ($(ARCH),arm64)

21
build/pause/pause.c
View File

@ -17,20 +17,37 @@ limitations under the License.
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#define STRINGIFY(x) #x
#define VERSION_STRING(x) STRINGIFY(x)
#ifndef VERSION
#define VERSION HEAD
#endif
static void sigdown(int signo) {
psignal(signo, "Shutting down, got signal");
exit(0);
}
static void sigreap(int signo) {
while (waitpid(-1, NULL, WNOHANG) > 0);
while (waitpid(-1, NULL, WNOHANG) > 0)
;
}
int main() {
int main(int argc, char **argv) {
int i;
for (i = 1; i < argc; ++i) {
if (!strcasecmp(argv[i], "-v")) {
printf("pause.c %s\n", VERSION_STRING(VERSION));
return 0;
}
}
if (getpid() != 1)
/* Not an error because pause sees use outside of infra containers. */
fprintf(stderr, "Warning: pause should be the first process\n");