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WIP: ✨ feat: Support Access Entries #5583

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79 changes: 79 additions & 0 deletions config/crd/bases/controlplane.cluster.x-k8s.io_awsmanagedcontrolplanes.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -2292,6 +2292,85 @@ spec:
ignored when updating existing clusters. Defaults to true.
type: boolean
type: object
accessEntries:
description: |-
AccessEntries specifies the access entries for the cluster
Access entries require AuthenticationMode to be either "api" or "api_and_config_map"
items:
description: AccessEntry represents an AWS EKS access entry for
IAM principals
properties:
accessPolicies:
description: |-
AccessPolicies specifies the policies to associate with this access entry
Cannot be specified if Type is "ec2_linux" or "ec2_windows"
items:
description: AccessPolicyReference represents a reference
to an AWS EKS access policy
properties:
accessScope:
description: AccessScope specifies the scope for the policy
properties:
namespaces:
description: |-
Namespaces are the namespaces for the access scope
Only valid when Type is namespace
items:
type: string
minItems: 1
type: array
type:
default: cluster
description: Type is the type of access scope. Defaults
to "cluster".
enum:
- cluster
- namespace
type: string
required:
- type
type: object
policyARN:
description: PolicyARN is the Amazon Resource Name (ARN)
of the access policy
type: string
required:
- accessScope
- policyARN
type: object
maxItems: 20
type: array
kubernetesGroups:
description: |-
KubernetesGroups represents the Kubernetes groups for the access entry
Cannot be specified if Type is "ec2_linux" or "ec2_windows"
items:
type: string
type: array
principalARN:
description: PrincipalARN is the Amazon Resource Name (ARN)
of the IAM principal
type: string
type:
default: standard
description: Type is the type of access entry. Defaults to standard
if not specified.
enum:
- standard
- ec2_linux
- ec2_windows
- fargate_linux
- ec2
- hybrid_linux
- hyperpod_linux
type: string
username:
description: Username is the username for the access entry
type: string
required:
- principalARN
type: object
type: array
additionalTags:
additionalProperties:
type: string
Expand Down
81 changes: 81 additions & 0 deletions config/crd/bases/controlplane.cluster.x-k8s.io_awsmanagedcontrolplanetemplates.yaml
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Expand Up @@ -75,6 +75,87 @@ spec:
ignored when updating existing clusters. Defaults to true.
type: boolean
type: object
accessEntries:
description: |-
AccessEntries specifies the access entries for the cluster
Access entries require AuthenticationMode to be either "api" or "api_and_config_map"
items:
description: AccessEntry represents an AWS EKS access entry
for IAM principals
properties:
accessPolicies:
description: |-
AccessPolicies specifies the policies to associate with this access entry
Cannot be specified if Type is "ec2_linux" or "ec2_windows"
items:
description: AccessPolicyReference represents a reference
to an AWS EKS access policy
properties:
accessScope:
description: AccessScope specifies the scope for
the policy
properties:
namespaces:
description: |-
Namespaces are the namespaces for the access scope
Only valid when Type is namespace
items:
type: string
minItems: 1
type: array
type:
default: cluster
description: Type is the type of access scope.
Defaults to "cluster".
enum:
- cluster
- namespace
type: string
required:
- type
type: object
policyARN:
description: PolicyARN is the Amazon Resource
Name (ARN) of the access policy
type: string
required:
- accessScope
- policyARN
type: object
maxItems: 20
type: array
kubernetesGroups:
description: |-
KubernetesGroups represents the Kubernetes groups for the access entry
Cannot be specified if Type is "ec2_linux" or "ec2_windows"
items:
type: string
type: array
principalARN:
description: PrincipalARN is the Amazon Resource Name
(ARN) of the IAM principal
type: string
type:
default: standard
description: Type is the type of access entry. Defaults
to standard if not specified.
enum:
- standard
- ec2_linux
- ec2_windows
- fargate_linux
- ec2
- hybrid_linux
- hyperpod_linux
type: string
username:
description: Username is the username for the access
entry
type: string
required:
- principalARN
type: object
type: array
additionalTags:
additionalProperties:
type: string
Expand Down
1 change: 1 addition & 0 deletions controlplane/eks/api/v1beta1/conversion.go
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Original file line number Diff line number Diff line change
Expand Up @@ -118,6 +118,7 @@ func (r *AWSManagedControlPlane) ConvertTo(dstRaw conversion.Hub) error {
dst.Spec.Partition = restored.Spec.Partition
dst.Spec.RestrictPrivateSubnets = restored.Spec.RestrictPrivateSubnets
dst.Spec.AccessConfig = restored.Spec.AccessConfig
dst.Spec.AccessEntries = restored.Spec.AccessEntries
dst.Spec.RolePath = restored.Spec.RolePath
dst.Spec.RolePermissionsBoundary = restored.Spec.RolePermissionsBoundary
dst.Status.Version = restored.Status.Version
Expand Down
1 change: 1 addition & 0 deletions controlplane/eks/api/v1beta1/zz_generated.conversion.go
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58 changes: 58 additions & 0 deletions controlplane/eks/api/v1beta2/awsmanagedcontrolplane_types.go
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Original file line number Diff line number Diff line change
Expand Up @@ -196,6 +196,11 @@ type AWSManagedControlPlaneSpec struct { //nolint: maligned
// +optional
AccessConfig *AccessConfig `json:"accessConfig,omitempty"`

// AccessEntries specifies the access entries for the cluster
// Access entries require AuthenticationMode to be either "api" or "api_and_config_map"
// +optional
AccessEntries []AccessEntry `json:"accessEntries,omitempty"`

// VpcCni is used to set configuration options for the VPC CNI plugin
// +optional
VpcCni VpcCni `json:"vpcCni,omitempty"`
Expand Down Expand Up @@ -267,6 +272,59 @@ type AccessConfig struct {
BootstrapClusterCreatorAdminPermissions *bool `json:"bootstrapClusterCreatorAdminPermissions,omitempty"`
}

// AccessEntry represents an AWS EKS access entry for IAM principals
type AccessEntry struct {
// PrincipalARN is the Amazon Resource Name (ARN) of the IAM principal
// +kubebuilder:validation:Required
PrincipalARN string `json:"principalARN"`

// Type is the type of access entry. Defaults to standard if not specified.
// +kubebuilder:default=standard
// +kubebuilder:validation:Enum=standard;ec2_linux;ec2_windows;fargate_linux;ec2;hybrid_linux;hyperpod_linux
// +optional
Type AccessEntryType `json:"type,omitempty"`

// KubernetesGroups represents the Kubernetes groups for the access entry
// Cannot be specified if Type is "ec2_linux" or "ec2_windows"
// +optional
KubernetesGroups []string `json:"kubernetesGroups,omitempty"`

// Username is the username for the access entry
// +optional
Username string `json:"username,omitempty"`

// AccessPolicies specifies the policies to associate with this access entry
// Cannot be specified if Type is "ec2_linux" or "ec2_windows"
// +optional
// +kubebuilder:validation:MaxItems=20
AccessPolicies []AccessPolicyReference `json:"accessPolicies,omitempty"`
}

// AccessPolicyReference represents a reference to an AWS EKS access policy
type AccessPolicyReference struct {
// PolicyARN is the Amazon Resource Name (ARN) of the access policy
// +kubebuilder:validation:Required
PolicyARN string `json:"policyARN"`

// AccessScope specifies the scope for the policy
// +kubebuilder:validation:Required
AccessScope AccessScope `json:"accessScope"`
}

// AccessScope represents the scope for an access policy
type AccessScope struct {
// Type is the type of access scope. Defaults to "cluster".
// +kubebuilder:validation:Enum=cluster;namespace
// +kubebuilder:default=cluster
Type AccessScopeType `json:"type"`

// Namespaces are the namespaces for the access scope
// Only valid when Type is namespace
// +optional
// +kubebuilder:validation:MinItems=1
Namespaces []string `json:"namespaces,omitempty"`
}

// EncryptionConfig specifies the encryption configuration for the EKS clsuter.
type EncryptionConfig struct {
// Provider specifies the ARN or alias of the CMK (in AWS KMS)
Expand Down
57 changes: 57 additions & 0 deletions controlplane/eks/api/v1beta2/awsmanagedcontrolplane_webhook.go
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Original file line number Diff line number Diff line change
Expand Up @@ -108,6 +108,7 @@ func (*awsManagedControlPlaneWebhook) ValidateCreate(_ context.Context, obj runt
allErrs = append(allErrs, r.validateNetwork()...)
allErrs = append(allErrs, r.validatePrivateDNSHostnameTypeOnLaunch()...)
allErrs = append(allErrs, r.validateAccessConfigCreate()...)
allErrs = append(allErrs, r.validateAccessEntries()...)

if len(allErrs) == 0 {
return nil, nil
Expand Down Expand Up @@ -150,6 +151,7 @@ func (*awsManagedControlPlaneWebhook) ValidateUpdate(ctx context.Context, oldObj
allErrs = append(allErrs, r.validateKubeProxy()...)
allErrs = append(allErrs, r.Spec.AdditionalTags.Validate()...)
allErrs = append(allErrs, r.validatePrivateDNSHostnameTypeOnLaunch()...)
allErrs = append(allErrs, r.validateAccessEntries()...)

if r.Spec.Region != oldAWSManagedControlplane.Spec.Region {
allErrs = append(allErrs,
Expand Down Expand Up @@ -367,6 +369,61 @@ func (r *AWSManagedControlPlane) validateAccessConfigCreate() field.ErrorList {
return allErrs
}

func (r *AWSManagedControlPlane) validateAccessEntries() field.ErrorList {
var allErrs field.ErrorList

if len(r.Spec.AccessEntries) > 0 {
// AccessEntries require AuthenticationMode to be api or api_and_config_map
if r.Spec.AccessConfig == nil ||
(r.Spec.AccessConfig.AuthenticationMode != EKSAuthenticationModeAPI &&
r.Spec.AccessConfig.AuthenticationMode != EKSAuthenticationModeAPIAndConfigMap) {
allErrs = append(allErrs,
field.Invalid(field.NewPath("spec", "accessEntries"),
r.Spec.AccessEntries,
"accessEntries can only be used when authenticationMode is set to api or api_and_config_map",
),
)
}

for i, entry := range r.Spec.AccessEntries {
// Validate that EC2 types don't have kubernetes groups or access policies
if entry.Type == AccessEntryTypeEC2Linux || entry.Type == AccessEntryTypeEC2Windows {
if len(entry.KubernetesGroups) > 0 {
allErrs = append(allErrs,
field.Invalid(field.NewPath("spec", "accessEntries").Index(i).Child("kubernetesGroups"),
entry.KubernetesGroups,
"kubernetesGroups cannot be specified when type is ec2_linux or ec2_windows",
),
)
}

if len(entry.AccessPolicies) > 0 {
allErrs = append(allErrs,
field.Invalid(field.NewPath("spec", "accessEntries").Index(i).Child("accessPolicies"),
entry.AccessPolicies,
"accessPolicies cannot be specified when type is ec2_linux or ec2_windows",
),
)
}
}

// Validate namespace scopes
for j, policy := range entry.AccessPolicies {
if policy.AccessScope.Type == AccessScopeTypeNamespace && len(policy.AccessScope.Namespaces) == 0 {
allErrs = append(allErrs,
field.Invalid(field.NewPath("spec", "accessEntries").Index(i).Child("accessPolicies").Index(j).Child("accessScope", "namespaces"),
policy.AccessScope.Namespaces,
"at least one value must be provided when accessScope type is namespace",
),
)
}
}
}
}

return allErrs
}

func (r *AWSManagedControlPlane) validateIAMAuthConfig() field.ErrorList {
return validateIAMAuthConfig(r.Spec.IAMAuthenticatorConfig, field.NewPath("spec.iamAuthenticatorConfig"))
}
Expand Down
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