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redpanda: convert rbac.yaml to go code #1344

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Jun 28, 2024
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redpanda: convert rbac.yaml to go code #1344

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302 changes: 302 additions & 0 deletions charts/redpanda/rbac.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,302 @@
// Licensed to the Apache Software Foundation (ASF) under one or more
// contributor license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright ownership.
// The ASF licenses this file to You under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance with
// the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// +gotohelm:filename=rbac.go.tpl
package redpanda

import (
"fmt"

"github.com/redpanda-data/helm-charts/pkg/gotohelm/helmette"
rbacv1 "k8s.io/api/rbac/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)

func ClusterRoles(dot *helmette.Dot) []*rbacv1.ClusterRole {
values := helmette.Unwrap[Values](dot.Values)

var crs []*rbacv1.ClusterRole
if cr := SidecarControllersClusterRole(dot); cr != nil {
crs = append(crs, cr)
}

if !values.RBAC.Enabled {
return crs
}

rpkBundleName := fmt.Sprintf("%s-rpk-bundle", Fullname(dot))

crs = append(crs, []*rbacv1.ClusterRole{
{
TypeMeta: metav1.TypeMeta{
APIVersion: "rbac.authorization.k8s.io/v1",
Kind: "ClusterRole",
},
ObjectMeta: metav1.ObjectMeta{
Name: Fullname(dot),
Labels: FullLabels(dot),
Annotations: values.ServiceAccount.Annotations,
},
Rules: []rbacv1.PolicyRule{
{
APIGroups: []string{""},
Resources: []string{"nodes"},
Verbs: []string{"get", "list"},
},
},
},
{
TypeMeta: metav1.TypeMeta{
APIVersion: "rbac.authorization.k8s.io/v1",
Kind: "ClusterRole",
},
ObjectMeta: metav1.ObjectMeta{
Name: rpkBundleName,
Labels: FullLabels(dot),
Annotations: values.ServiceAccount.Annotations,
},
Rules: []rbacv1.PolicyRule{
{
APIGroups: []string{""},
Resources: []string{
"configmaps",
"endpoints",
"events",
"limitranges",
"persistentvolumeclaims",
"pods",
"pods/log",
"replicationcontrollers",
"resourcequotas",
"serviceaccounts",
"services",
},
Verbs: []string{"get", "list"},
},
},
},
}...)

return crs
}

func ClusterRoleBindings(dot *helmette.Dot) []*rbacv1.ClusterRoleBinding {
values := helmette.Unwrap[Values](dot.Values)

var crbs []*rbacv1.ClusterRoleBinding
if crb := SidecarControllersClusterRoleBinding(dot); crb != nil {
crbs = append(crbs, crb)
}

if !values.RBAC.Enabled {
return crbs
}

rpkBundleName := fmt.Sprintf("%s-rpk-bundle", Fullname(dot))
crbs = append(crbs, []*rbacv1.ClusterRoleBinding{
{
TypeMeta: metav1.TypeMeta{
APIVersion: "rbac.authorization.k8s.io/v1",
Kind: "ClusterRoleBinding",
},
ObjectMeta: metav1.ObjectMeta{
Name: Fullname(dot),
Labels: FullLabels(dot),
Annotations: values.ServiceAccount.Annotations,
},
RoleRef: rbacv1.RoleRef{
APIGroup: "rbac.authorization.k8s.io",
Kind: "ClusterRole",
Name: Fullname(dot),
},
Subjects: []rbacv1.Subject{
{
Kind: "ServiceAccount",
Name: ServiceAccountName(dot),
Namespace: dot.Release.Namespace,
},
},
},
{
TypeMeta: metav1.TypeMeta{
APIVersion: "rbac.authorization.k8s.io/v1",
Kind: "ClusterRoleBinding",
},
ObjectMeta: metav1.ObjectMeta{
Name: rpkBundleName,
Labels: FullLabels(dot),
Annotations: values.ServiceAccount.Annotations,
},
RoleRef: rbacv1.RoleRef{
APIGroup: "rbac.authorization.k8s.io",
Kind: "ClusterRole",
Name: rpkBundleName,
},
Subjects: []rbacv1.Subject{
{
Kind: "ServiceAccount",
Name: ServiceAccountName(dot),
Namespace: dot.Release.Namespace,
},
},
},
}...)

return crbs
}

func SidecarControllersClusterRole(dot *helmette.Dot) *rbacv1.ClusterRole {
values := helmette.Unwrap[Values](dot.Values)

if !values.Statefulset.SideCars.Controllers.Enabled || !values.Statefulset.SideCars.Controllers.CreateRBAC {
return nil
}

sidecarControllerName := fmt.Sprintf("%s-sidecar-controllers", Fullname(dot))
return &rbacv1.ClusterRole{
TypeMeta: metav1.TypeMeta{
APIVersion: "rbac.authorization.k8s.io/v1",
Kind: "ClusterRole",
},
ObjectMeta: metav1.ObjectMeta{
Name: sidecarControllerName,
Labels: FullLabels(dot),
Annotations: values.ServiceAccount.Annotations,
},
Rules: []rbacv1.PolicyRule{
{
APIGroups: []string{""},
Resources: []string{"nodes"},
Verbs: []string{"get", "list", "watch"},
},
{
APIGroups: []string{""},
Resources: []string{"persistentvolumes"},
Verbs: []string{"delete", "get", "list", "patch", "update", "watch"},
},
},
}
}

func SidecarControllersClusterRoleBinding(dot *helmette.Dot) *rbacv1.ClusterRoleBinding {
values := helmette.Unwrap[Values](dot.Values)

if !values.Statefulset.SideCars.Controllers.Enabled || !values.Statefulset.SideCars.Controllers.CreateRBAC {
return nil
}

sidecarControllerName := fmt.Sprintf("%s-sidecar-controllers", Fullname(dot))
return &rbacv1.ClusterRoleBinding{
TypeMeta: metav1.TypeMeta{
APIVersion: "rbac.authorization.k8s.io/v1",
Kind: "ClusterRoleBinding",
},
ObjectMeta: metav1.ObjectMeta{
Name: sidecarControllerName,
Labels: FullLabels(dot),
Annotations: values.ServiceAccount.Annotations,
},
RoleRef: rbacv1.RoleRef{
APIGroup: "rbac.authorization.k8s.io",
Kind: "ClusterRole",
Name: sidecarControllerName,
},
Subjects: []rbacv1.Subject{
{
Kind: "ServiceAccount",
Name: ServiceAccountName(dot),
Namespace: dot.Release.Namespace,
},
},
}
}

func SidecarControllersRole(dot *helmette.Dot) *rbacv1.Role {
values := helmette.Unwrap[Values](dot.Values)

if !values.Statefulset.SideCars.Controllers.Enabled || !values.Statefulset.SideCars.Controllers.CreateRBAC {
return nil
}

sidecarControllerName := fmt.Sprintf("%s-sidecar-controllers", Fullname(dot))
return &rbacv1.Role{
TypeMeta: metav1.TypeMeta{
APIVersion: "rbac.authorization.k8s.io/v1",
Kind: "Role",
},
ObjectMeta: metav1.ObjectMeta{
Name: sidecarControllerName,
Namespace: dot.Release.Namespace,
Labels: FullLabels(dot),
Annotations: values.ServiceAccount.Annotations,
},
Rules: []rbacv1.PolicyRule{
{
APIGroups: []string{"apps"},
Resources: []string{"statefulsets/status"},
Verbs: []string{"patch", "update"},
},
{
APIGroups: []string{""},
Resources: []string{"secrets", "pods"},
Verbs: []string{"get", "list", "watch"},
},
{
APIGroups: []string{"apps"},
Resources: []string{"statefulsets"},
Verbs: []string{"get", "patch", "update", "list", "watch"},
},
{
APIGroups: []string{""},
Resources: []string{"persistentvolumeclaims"},
Verbs: []string{"delete", "get", "list", "patch", "update", "watch"},
},
},
}
}

func SidecarControllersRoleBinding(dot *helmette.Dot) *rbacv1.RoleBinding {
values := helmette.Unwrap[Values](dot.Values)

if !values.Statefulset.SideCars.Controllers.Enabled || !values.Statefulset.SideCars.Controllers.CreateRBAC {
return nil
}

sidecarControllerName := fmt.Sprintf("%s-sidecar-controllers", Fullname(dot))
return &rbacv1.RoleBinding{
TypeMeta: metav1.TypeMeta{
APIVersion: "rbac.authorization.k8s.io/v1",
Kind: "RoleBinding",
},
ObjectMeta: metav1.ObjectMeta{
Name: sidecarControllerName,
Namespace: dot.Release.Namespace,
Labels: FullLabels(dot),
Annotations: values.ServiceAccount.Annotations,
},
RoleRef: rbacv1.RoleRef{
APIGroup: "rbac.authorization.k8s.io",
Kind: "Role",
Name: sidecarControllerName,
},
Subjects: []rbacv1.Subject{
{
Kind: "ServiceAccount",
Name: ServiceAccountName(dot),
Namespace: dot.Release.Namespace,
},
},
}
}
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