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kubeadm: print out the solution if CA files do not exist

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phase `kubeadm init phase kubeconfig/*` must run after the phase
`kubeadm init phase certs/ca` to get the client cert and key singed
by the CA.

print out the way to generate the CA file is more useful than just say
the file cannot be loaded.

Signed-off-by: Dave Chen <dave.chen@arm.com>
This commit is contained in:
Dave Chen 2022-10-09 17:08:35 +08:00
parent 575031b68f
commit 3fa6662875
1 changed files with 3 additions and 0 deletions
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3
cmd/kubeadm/app/phases/kubeconfig/kubeconfig.go
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@ -140,6 +140,9 @@ func createKubeConfigFiles(outDir string, cfg *kubeadmapi.InitConfiguration, kub
// NB. this method holds the information about how kubeadm creates kubeconfig files.
func getKubeConfigSpecs(cfg *kubeadmapi.InitConfiguration) (map[string]*kubeConfigSpec, error) {
caCert, caKey, err := pkiutil.TryLoadCertAndKeyFromDisk(cfg.CertificatesDir, kubeadmconstants.CACertAndKeyBaseName)
if os.IsNotExist(errors.Cause(err)) {
return nil, errors.Wrap(err, "the CA files do not exist, please run `kubeadm init phase certs ca` to generate it")
}
if err != nil {
return nil, errors.Wrap(err, "couldn't create a kubeconfig; the CA files couldn't be loaded")
}