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Add CheckKernelVersion so we can check any specific version 

Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
This commit is contained in:
Qiang Huang 2015-08-19 10:40:22 +08:00
parent 7ec7173b76
commit 87959dbfac
1 changed files with 15 additions and 7 deletions
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22
daemon/daemon_unix.go
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@ -63,6 +63,17 @@ func parseSecurityOpt(container *Container, config *runconfig.HostConfig) error
return err return err
} }
func CheckKernelVersion(k, major, minor int) bool {
if v, err := kernel.GetKernelVersion(); err != nil {
logrus.Warnf("%s", err)
} else {
if kernel.CompareKernelVersion(*v, kernel.VersionInfo{Kernel: k, Major: major, Minor: minor}) < 0 {
return false
}
}
return true
}
func checkKernel() error { func checkKernel() error {
// Check for unsupported kernel versions // Check for unsupported kernel versions
// FIXME: it would be cleaner to not test for specific versions, but rather // FIXME: it would be cleaner to not test for specific versions, but rather
@ -71,13 +82,10 @@ func checkKernel() error {
// without actually causing a kernel panic, so we need this workaround until // without actually causing a kernel panic, so we need this workaround until
// the circumstances of pre-3.10 crashes are clearer. // the circumstances of pre-3.10 crashes are clearer.
// For details see https://github.com/docker/docker/issues/407 // For details see https://github.com/docker/docker/issues/407
if k, err := kernel.GetKernelVersion(); err != nil { if !CheckKernelVersion(3, 10, 0) {
logrus.Warnf("%s", err) v, _ := kernel.GetKernelVersion()
} else { if os.Getenv("DOCKER_NOWARN_KERNEL_VERSION") == "" {
if kernel.CompareKernelVersion(*k, kernel.VersionInfo{Kernel: 3, Major: 10, Minor: 0}) < 0 { logrus.Warnf("Your Linux kernel version %s can be unstable running docker. Please upgrade your kernel to 3.10.0.", v.String())
if os.Getenv("DOCKER_NOWARN_KERNEL_VERSION") == "" {
logrus.Warnf("You are running linux kernel version %s, which might be unstable running docker. Please upgrade your kernel to 3.10.0.", k.String())
}
} }
} }
return nil return nil