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kubeadm: Only check for well-known files in preflight

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This commit is contained in:
Matt Kelly 2017-12-17 13:05:45 -05:00
parent 5f92042610
commit 41a4db7f48
1 changed files with 7 additions and 2 deletions
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9
cmd/kubeadm/app/preflight/checks.go
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@ -79,7 +79,7 @@ func (e *Error) Error() string {
}
// Checker validates the state of the system to ensure kubeadm will be
// successful as often as possilble.
// successful as often as possible.
type Checker interface {
Check() (warnings, errors []error)
Name() string
@ -848,6 +848,8 @@ func RunInitMasterChecks(execer utilsexec.Interface, cfg *kubeadmapi.MasterConfi
warns, _ := criCtlChecker.Check()
useCRI := len(warns) == 0
manifestsDir := filepath.Join(kubeadmconstants.KubernetesDir, kubeadmconstants.ManifestsSubDirName)
checks := []Checker{
KubernetesVersionCheck{KubernetesVersion: cfg.KubernetesVersion, KubeadmVersion: kubeadmversion.Get().GitVersion},
SystemVerificationCheck{CRISocket: criSocket},
@ -860,7 +862,10 @@ func RunInitMasterChecks(execer utilsexec.Interface, cfg *kubeadmapi.MasterConfi
PortOpenCheck{port: 10250},
PortOpenCheck{port: 10251},
PortOpenCheck{port: 10252},
DirAvailableCheck{Path: filepath.Join(kubeadmconstants.KubernetesDir, kubeadmconstants.ManifestsSubDirName)},
FileAvailableCheck{Path: kubeadmconstants.GetStaticPodFilepath(kubeadmconstants.KubeAPIServer, manifestsDir)},
FileAvailableCheck{Path: kubeadmconstants.GetStaticPodFilepath(kubeadmconstants.KubeControllerManager, manifestsDir)},
FileAvailableCheck{Path: kubeadmconstants.GetStaticPodFilepath(kubeadmconstants.KubeScheduler, manifestsDir)},
FileAvailableCheck{Path: kubeadmconstants.GetStaticPodFilepath(kubeadmconstants.Etcd, manifestsDir)},
FileContentCheck{Path: bridgenf, Content: []byte{'1'}},
SwapCheck{},
InPathCheck{executable: "ip", mandatory: true, exec: execer},