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Add cgroupsPath validation #631

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merged 1 commit into from
May 9, 2018

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zhouhao3
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Implement the following specerror:

CgroupsAbsPathRelToMount: In the case of an absolute path (starting with /), the runtime MUST take the path to be relative to the cgroups mount point.

CgroupsPathAttach: If the value is specified, the runtime MUST consistently attach to the same place in the cgroups hierarchy given the same value of cgroupsPath.

Signed-off-by: Zhou Hao [email protected]

@zhouhao3
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zhouhao3 commented May 3, 2018

@liangchenye PTAL

if _, err := os.Stat(path); err != nil {
if os.IsNotExist(err) {
return nil, specerror.NewError(specerror.CgroupsAbsPathRelToMount, fmt.Errorf("In the case of an absolute path, the runtime MUST take the path to be relative to the cgroups mount point"), rspec.Version)
}
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return nil, err in case of getting other error?

if _, err := os.Stat(path); err != nil {
if os.IsNotExist(err) {
return nil, specerror.NewError(specerror.CgroupsAbsPathRelToMount, fmt.Errorf("In the case of an absolute path, the runtime MUST take the path to be relative to the cgroups mount point"), rspec.Version)
}
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same, return error in case of other error.

if _, err := os.Stat(path); err != nil {
if os.IsNotExist(err) {
return nil, specerror.NewError(specerror.CgroupsAbsPathRelToMount, fmt.Errorf("In the case of an absolute path, the runtime MUST take the path to be relative to the cgroups mount point"), rspec.Version)
}
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return error in case of other error

if _, err := os.Stat(path); err != nil {
if os.IsNotExist(err) {
return nil, specerror.NewError(specerror.CgroupsAbsPathRelToMount, fmt.Errorf("In the case of an absolute path, the runtime MUST take the path to be relative to the cgroups mount point"), rspec.Version)
}
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same here

if _, err := os.Stat(path); err != nil {
if os.IsNotExist(err) {
return nil, specerror.NewError(specerror.CgroupsAbsPathRelToMount, fmt.Errorf("In the case of an absolute path, the runtime MUST take the path to be relative to the cgroups mount point"), rspec.Version)
}
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and here

if _, err := os.Stat(path); err != nil {
if os.IsNotExist(err) {
return nil, specerror.NewError(specerror.CgroupsAbsPathRelToMount, fmt.Errorf("In the case of an absolute path, the runtime MUST take the path to be relative to the cgroups mount point"), rspec.Version)
}
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the last place.
Besides these, it looks good to me.

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updated, PTAL.

Implement the following specerror:

CgroupsAbsPathRelToMount: In the case of an absolute path (starting with `/`), the runtime MUST take the path to be relative to the cgroups mount point.

 CgroupsPathAttach: If the value is specified, the runtime MUST consistently attach to the same place in the cgroups hierarchy given the same value of `cgroupsPath`.

Signed-off-by: Zhou Hao <[email protected]>
@zhouhao3 zhouhao3 force-pushed the cgroups-validation branch from 3078423 to 3e3094d Compare May 3, 2018 09:59
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liangchenye commented May 9, 2018

LGTM

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@liangchenye liangchenye mentioned this pull request May 9, 2018
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@liangchenye liangchenye merged commit 14d1be7 into opencontainers:master May 9, 2018
@zhouhao3 zhouhao3 deleted the cgroups-validation branch May 10, 2018 01:19
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2 participants