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kubeadm: remove the limitation that the 'ignorePreflightErrors' field can not be set to 'all' in kubeadm config file, and keep CLI / config consistent

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This commit is contained in:
SataQiu 2023-07-16 12:37:12 +08:00
parent 900237fada
commit bd9b78d686
5 changed files with 29 additions and 19 deletions
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4
cmd/kubeadm/app/apis/kubeadm/types.go
View File

@ -221,7 +221,8 @@ type NodeRegistrationOptions struct {
// command line except without leading dash(es).
KubeletExtraArgs map[string]string
// IgnorePreflightErrors provides a slice of pre-flight errors to be ignored when the current node is registered.
// IgnorePreflightErrors provides a slice of pre-flight errors to be ignored when the current node is registered, e.g. 'IsPrivilegedUser,Swap'.
// Value 'all' ignores errors from all checks.
IgnorePreflightErrors []string
// ImagePullPolicy specifies the policy for image pulling during kubeadm "init" and "join" operations.
@ -488,6 +489,7 @@ type ResetConfiguration struct {
Force bool
// IgnorePreflightErrors provides a slice of pre-flight errors to be ignored during the reset process, e.g. 'IsPrivilegedUser,Swap'.
// Value 'all' ignores errors from all checks.
IgnorePreflightErrors []string
// SkipPhases is a list of phases to skip during command execution.

3
cmd/kubeadm/app/apis/kubeadm/v1beta3/types.go
View File

@ -228,7 +228,8 @@ type NodeRegistrationOptions struct {
// +optional
KubeletExtraArgs map[string]string `json:"kubeletExtraArgs,omitempty"`
// IgnorePreflightErrors provides a slice of pre-flight errors to be ignored when the current node is registered.
// IgnorePreflightErrors provides a slice of pre-flight errors to be ignored when the current node is registered, e.g. 'IsPrivilegedUser,Swap'.
// Value 'all' ignores errors from all checks.
// +optional
IgnorePreflightErrors []string `json:"ignorePreflightErrors,omitempty"`

4
cmd/kubeadm/app/apis/kubeadm/v1beta4/types.go
View File

@ -233,7 +233,8 @@ type NodeRegistrationOptions struct {
// +optional
KubeletExtraArgs map[string]string `json:"kubeletExtraArgs,omitempty"`
// IgnorePreflightErrors provides a slice of pre-flight errors to be ignored when the current node is registered.
// IgnorePreflightErrors provides a slice of pre-flight errors to be ignored when the current node is registered, e.g. 'IsPrivilegedUser,Swap'.
// Value 'all' ignores errors from all checks.
// +optional
IgnorePreflightErrors []string `json:"ignorePreflightErrors,omitempty"`
@ -482,6 +483,7 @@ type ResetConfiguration struct {
Force bool `json:"force,omitempty"`
// IgnorePreflightErrors provides a slice of pre-flight errors to be ignored during the reset process, e.g. 'IsPrivilegedUser,Swap'.
// Value 'all' ignores errors from all checks.
// +optional
IgnorePreflightErrors []string `json:"ignorePreflightErrors,omitempty"`

7
cmd/kubeadm/app/apis/kubeadm/validation/validation.go
View File

@ -605,13 +605,6 @@ func ValidateIgnorePreflightErrors(ignorePreflightErrorsFromCLI, ignorePreflight
ignoreErrors.Insert(strings.ToLower(item)) // parameters are case insensitive
}
if ignoreErrors.Has("all") {
// "all" is forbidden in config files. Administrators should use an
// explicit list of errors they want to ignore, as it can be risky to
// mask all errors in such a way. Hence, we return an error:
allErrs = append(allErrs, field.Invalid(field.NewPath("ignorePreflightErrors"), "all", "'all' cannot be used in configuration file"))
}
for _, item := range ignorePreflightErrorsFromCLI {
ignoreErrors.Insert(strings.ToLower(item)) // parameters are case insensitive
}

30
cmd/kubeadm/app/apis/kubeadm/validation/validation_test.go
View File

@ -794,19 +794,37 @@ func TestValidateIgnorePreflightErrors(t *testing.T) {
sets.New("a", "b", "c"),
false,
},
{ // empty list in CLI, but 'all' present in config file
[]string{},
[]string{"all"},
sets.New("all"),
false,
},
{ // empty list in config file, but 'all' present in CLI
[]string{"all"},
[]string{},
sets.New("all"),
false,
},
{ // some duplicates, only 'all' present in CLI and config file
[]string{"all"},
[]string{"all"},
sets.New("all"),
false,
},
{ // non-duplicate, but 'all' present together with individual checks in CLI
[]string{"a", "b", "all"},
[]string{},
sets.New[string](),
true,
},
{ // empty list in CLI, but 'all' present in config file, which is forbidden
{ // non-duplicate, but 'all' present together with individual checks in config file
[]string{},
[]string{"all"},
[]string{"a", "b", "all"},
sets.New[string](),
true,
},
{ // non-duplicate, but 'all' present in config file, which is forbidden
{ // non-duplicate, but 'all' present in config file, while values are in CLI, which is forbidden
[]string{"a", "b"},
[]string{"all"},
sets.New[string](),
@ -818,12 +836,6 @@ func TestValidateIgnorePreflightErrors(t *testing.T) {
sets.New[string](),
true,
},
{ // skip all checks
[]string{"all"},
[]string{},
sets.New("all"),
false,
},
}
for _, rt := range tests {
result, err := ValidateIgnorePreflightErrors(rt.ignorePreflightErrorsFromCLI, rt.ignorePreflightErrorsFromConfigFile)