Merge pull request #58205 from stewart-yu/test_release

Automatic merge from submit-queue. 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>.

fix error when run release.sh not in {KUBE_ROOT}

**What this PR does / why we need it**:
add `${KUBE_ROOT}/` in directory, otherwise run 
```shell
cd kubernetes/build  
./release.sh
```
will exit:
```shell
+++ [0112 18:18:48] Verifying Prerequisites....
cp: cannot stat ‘build/build-image/Dockerfile’: No such file or directory
!!! [0112 18:18:48] Call tree:
!!! [0112 18:18:48]  1: ./release.sh:35 kube::build::build_image(...)
!!! Error in ./../build/common.sh:454
  Error in ./../build/common.sh:454. '((i<3-1))' exited with status 1
Call stack:
  1: ./../build/common.sh:454 kube::build::build_image(...)
  2: ./release.sh:35 main(...)
Exiting with status 1
```

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```
pull/6/head
Kubernetes Submit Queue 2018-01-13 04:20:37 -08:00 committed by GitHub
commit 66043059cf
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1 changed files with 2 additions and 2 deletions

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@ -451,8 +451,8 @@ function kube::build::build_image() {
cp /etc/localtime "${LOCAL_OUTPUT_BUILD_CONTEXT}/"
cp build/build-image/Dockerfile "${LOCAL_OUTPUT_BUILD_CONTEXT}/Dockerfile"
cp build/build-image/rsyncd.sh "${LOCAL_OUTPUT_BUILD_CONTEXT}/"
cp ${KUBE_ROOT}/build/build-image/Dockerfile "${LOCAL_OUTPUT_BUILD_CONTEXT}/Dockerfile"
cp ${KUBE_ROOT}/build/build-image/rsyncd.sh "${LOCAL_OUTPUT_BUILD_CONTEXT}/"
dd if=/dev/urandom bs=512 count=1 2>/dev/null | LC_ALL=C tr -dc 'A-Za-z0-9' | dd bs=32 count=1 2>/dev/null > "${LOCAL_OUTPUT_BUILD_CONTEXT}/rsyncd.password"
chmod go= "${LOCAL_OUTPUT_BUILD_CONTEXT}/rsyncd.password"