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minikube
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04486049
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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
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04486049
编写于
12月 17, 2019
作者:
T
tstromberg
浏览文件
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电子邮件补丁
差异文件
Always transfer images when local reference lookups fail
上级
7fe54f1c
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
53 addition
and
39 deletion
+53
-39
pkg/minikube/machine/cache_images.go
pkg/minikube/machine/cache_images.go
+53
-39
未找到文件。
pkg/minikube/machine/cache_images.go
浏览文件 @
04486049
...
...
@@ -17,6 +17,7 @@ limitations under the License.
package
machine
import
(
"fmt"
"io/ioutil"
"os"
"os/exec"
...
...
@@ -109,34 +110,41 @@ func LoadImages(cc *config.MachineConfig, runner command.Runner, images []string
for
_
,
image
:=
range
images
{
image
:=
image
g
.
Go
(
func
()
error
{
ref
,
err
:=
name
.
ParseReference
(
image
,
name
.
WeakValidation
)
if
err
!=
nil
{
return
errors
.
Wrap
(
err
,
"image name reference"
)
}
img
,
err
:=
retrieveImage
(
ref
)
if
err
!=
nil
{
return
errors
.
Wrap
(
err
,
"fetching image"
)
}
cf
,
err
:=
img
.
ConfigName
()
hash
:=
cf
.
Hex
if
err
!=
nil
{
glog
.
Infof
(
"error retrieving image manifest for %s to check if it already exists: %v"
,
image
,
err
)
}
else
if
cr
.
ImageExists
(
image
,
hash
)
{
glog
.
Infof
(
"skipping re-loading image %q because sha %q already exists "
,
image
,
hash
)
err
:=
needsTransfer
(
image
,
cr
)
if
err
==
nil
{
return
nil
}
if
err
:=
transferAndLoadImage
(
runner
,
cc
.
KubernetesConfig
,
image
,
cacheDir
);
err
!=
nil
{
glog
.
Warningf
(
"Failed to load %s: %v"
,
image
,
err
)
return
errors
.
Wrapf
(
err
,
"loading image %s"
,
image
)
}
return
nil
glog
.
Infof
(
"%q needs transfer: %v"
,
image
,
err
)
return
transferAndLoadImage
(
runner
,
cc
.
KubernetesConfig
,
image
,
cacheDir
)
})
}
if
err
:=
g
.
Wait
();
err
!=
nil
{
return
errors
.
Wrap
(
err
,
"loading cached images"
)
}
glog
.
Infoln
(
"Successfully loaded all cached images."
)
glog
.
Infoln
(
"Successfully loaded all cached images"
)
return
nil
}
// needsTransfer returns an error if an image needs to be retransfered
func
needsTransfer
(
image
string
,
cr
cruntime
.
Manager
)
error
{
ref
,
err
:=
name
.
ParseReference
(
image
,
name
.
WeakValidation
)
if
err
!=
nil
{
return
errors
.
Wrap
(
err
,
"parse ref"
)
}
img
,
err
:=
retrieveImage
(
ref
)
if
err
!=
nil
{
return
errors
.
Wrap
(
err
,
"retrieve"
)
}
cf
,
err
:=
img
.
ConfigName
()
if
err
!=
nil
{
return
errors
.
Wrap
(
err
,
"image hash"
)
}
if
!
cr
.
ImageExists
(
image
,
cf
.
Hex
)
{
return
fmt
.
Errorf
(
"%q does not exist at hash %q in container runtime"
,
image
,
cf
.
Hex
)
}
return
nil
}
...
...
@@ -277,7 +285,7 @@ func transferAndLoadImage(cr command.Runner, k8s config.KubernetesConfig, imgNam
return
errors
.
Wrapf
(
err
,
"%s load %s"
,
r
.
Name
(),
dst
)
}
glog
.
Infof
(
"
Successfully loaded image
%s from cache"
,
src
)
glog
.
Infof
(
"
Transferred and loaded
%s from cache"
,
src
)
return
nil
}
...
...
@@ -362,7 +370,7 @@ func CacheImage(image, dst string) error {
img
,
err
:=
retrieveImage
(
ref
)
if
err
!=
nil
{
return
errors
.
Wrap
(
err
,
"fetching image"
)
glog
.
Warningf
(
"unable to retrieve image: %v"
,
err
)
}
glog
.
Infoln
(
"OPENING: "
,
dstPath
)
...
...
@@ -370,27 +378,31 @@ func CacheImage(image, dst string) error {
if
err
!=
nil
{
return
err
}
defer
func
()
{
// clean up temp files
err
:=
os
.
Remove
(
f
.
Name
())
if
err
!=
nil
{
glog
.
Infof
(
"Failed to clean up the temp file %s : %v"
,
f
.
Name
(),
err
)
defer
func
()
{
// If we left behind a temp file, remove it.
_
,
err
:=
os
.
Stat
(
f
.
Name
())
if
err
==
nil
{
os
.
Remove
(
f
.
Name
())
if
err
!=
nil
{
glog
.
Warningf
(
"Failed to clean up the temp file %s: %v"
,
f
.
Name
(),
err
)
}
}
}()
tag
,
err
:=
name
.
NewTag
(
image
,
name
.
WeakValidation
)
if
err
!=
nil
{
return
err
return
err
ors
.
Wrap
(
err
,
"newtag"
)
}
err
=
tarball
.
Write
(
tag
,
img
,
&
tarball
.
WriteOptions
{},
f
)
if
err
!=
nil
{
return
err
return
err
ors
.
Wrap
(
err
,
"write"
)
}
err
=
f
.
Close
()
if
err
!=
nil
{
return
err
return
err
ors
.
Wrap
(
err
,
"close"
)
}
err
=
os
.
Rename
(
f
.
Name
(),
dstPath
)
if
err
!=
nil
{
return
err
return
err
ors
.
Wrap
(
err
,
"rename"
)
}
glog
.
Infof
(
"%s exists"
,
dst
)
return
nil
...
...
@@ -400,18 +412,20 @@ func retrieveImage(ref name.Reference) (v1.Image, error) {
glog
.
Infof
(
"retrieving image: %+v"
,
ref
)
img
,
err
:=
daemon
.
Image
(
ref
)
if
err
==
nil
{
glog
.
Infof
(
"found %s locally; caching"
,
ref
.
Name
())
return
img
,
err
glog
.
Infof
(
"found %s locally: %+v"
,
ref
.
Name
(),
img
)
return
img
,
nil
}
// reference does not exist in the local daemon
if
err
!=
nil
{
glog
.
Infof
(
"daemon lookup for %+v: %v"
,
ref
,
err
)
}
glog
.
Infof
(
"daemon image for %+v: %v"
,
img
,
err
)
img
,
err
=
remote
.
Image
(
ref
,
remote
.
WithAuthFromKeychain
(
authn
.
DefaultKeychain
))
if
err
==
nil
{
return
img
,
err
return
img
,
nil
}
glog
.
Warningf
(
"failed authn download for %+v (trying anon): %+v"
,
ref
,
err
)
glog
.
Warningf
(
"authn lookup for %+v (trying anon): %+v"
,
ref
,
err
)
img
,
err
=
remote
.
Image
(
ref
)
if
err
!=
nil
{
glog
.
Warningf
(
"failed anon download for %+v: %+v"
,
ref
,
err
)
}
return
img
,
err
}
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