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kubeadm: Support kubeadm config validate for ResetConfiguration

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Signed-off-by: Dave Chen <dave.chen@arm.com>
This commit is contained in:
Dave Chen 2023-07-14 14:25:59 +08:00
parent 5c96e5321e
commit b883f30501
3 changed files with 44 additions and 4 deletions
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9
cmd/kubeadm/app/util/config/common.go
View File

@ -291,7 +291,7 @@ func MigrateOldConfig(oldConfig []byte, allowExperimental bool) ([]byte, error)
// Migrate ResetConfiguration if there is any
if kubeadmutil.GroupVersionKindsHasResetConfiguration(gvks...) {
o, err := documentMapToResetConfiguration(gvkmap, true, allowExperimental)
o, err := documentMapToResetConfiguration(gvkmap, true, allowExperimental, true)
if err != nil {
return []byte{}, err
}
@ -336,6 +336,13 @@ func ValidateConfig(config []byte, allowExperimental bool) error {
}
}
// Validate ResetConfiguration if there is any
if kubeadmutil.GroupVersionKindsHasResetConfiguration(gvks...) {
if _, err := documentMapToResetConfiguration(gvkmap, true, allowExperimental, true); err != nil {
return err
}
}
return nil
}

29
cmd/kubeadm/app/util/config/common_test.go
View File

@ -575,6 +575,35 @@ func TestValidateConfig(t *testing.T) {
expectedError: true,
allowExperimental: false,
},
{
name: "valid ResetConfiguration",
cfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: ResetConfiguration
force: true
`, gvExperimental)),
expectedError: false,
allowExperimental: true,
},
{
name: "invalid field in ResetConfiguration",
cfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: ResetConfiguration
foo: bar
`, gvExperimental)),
expectedError: true,
allowExperimental: true,
},
{
name: "experimental API is not allowed in ResetConfiguration",
cfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: ResetConfiguration
`, gvExperimental)),
expectedError: true,
allowExperimental: false,
},
}
for _, test := range tests {

10
cmd/kubeadm/app/util/config/resetconfiguration.go
View File

@ -83,12 +83,12 @@ func LoadResetConfigurationFromFile(cfgPath string, allowExperimental bool) (*ku
return nil, err
}
return documentMapToResetConfiguration(gvkmap, false, allowExperimental)
return documentMapToResetConfiguration(gvkmap, false, allowExperimental, false)
}
// documentMapToResetConfiguration takes a map between GVKs and YAML documents (as returned by SplitYAMLDocuments),
// finds a ResetConfiguration, decodes it, dynamically defaults it and then validates it prior to return.
func documentMapToResetConfiguration(gvkmap kubeadmapi.DocumentMap, allowDeprecated, allowExperimental bool) (*kubeadmapi.ResetConfiguration, error) {
func documentMapToResetConfiguration(gvkmap kubeadmapi.DocumentMap, allowDeprecated, allowExperimental bool, strictErrors bool) (*kubeadmapi.ResetConfiguration, error) {
resetBytes := []byte{}
for gvk, bytes := range gvkmap {
// not interested in anything other than ResetConfiguration
@ -103,7 +103,11 @@ func documentMapToResetConfiguration(gvkmap kubeadmapi.DocumentMap, allowDepreca
// verify the validity of the YAML
if err := strict.VerifyUnmarshalStrict([]*runtime.Scheme{kubeadmscheme.Scheme}, gvk, bytes); err != nil {
klog.Warning(err.Error())
if !strictErrors {
klog.Warning(err.Error())
} else {
return nil, err
}
}
resetBytes = bytes