role.go

// Copyright (c) 2021 Gitpod GmbH. All rights reserved.
// Licensed under the GNU Affero General Public License (AGPL).
// See License-AGPL.txt in the project root for license information.

package wsmanagermk2

import (
	"github.com/gitpod-io/gitpod/installer/pkg/common"

	rbacv1 "k8s.io/api/rbac/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/runtime"
)

var controllerRules = []rbacv1.PolicyRule{
	{
		APIGroups: []string{""},
		Resources: []string{"pods"},
		Verbs: []string{
			"create",
			"delete",
			"get",
			"list",
			"patch",
			"update",
			"watch",
		},
	},
	{
		Verbs:     []string{"get"},
		APIGroups: []string{""},
		Resources: []string{"pod/status"},
	},
	{
		APIGroups: []string{"workspace.gitpod.io"},
		Resources: []string{"workspaces"},
		Verbs: []string{
			"create",
			"delete",
			"get",
			"list",
			"patch",
			"update",
			"watch",
		},
	},
	{
		Verbs:     []string{"update"},
		APIGroups: []string{"workspace.gitpod.io"},
		Resources: []string{"workspaces/finalizers"},
	},
	{
		APIGroups: []string{"workspace.gitpod.io"},
		Resources: []string{"workspaces/status"},
		Verbs: []string{
			"get",
			"patch",
			"update",
		},
	},
	{
		APIGroups: []string{"workspace.gitpod.io"},
		Resources: []string{"snapshots"},
		Verbs: []string{
			"create",
			"delete",
			"get",
			"list",
			"watch",
		},
	},
	{
		APIGroups: []string{"workspace.gitpod.io"},
		Resources: []string{"snapshots/status"},
		Verbs: []string{
			"get",
		},
	},
	{
		APIGroups: []string{""},
		Resources: []string{"secrets"},
		Verbs: []string{
			"create",
			"delete",
			"get",
			"list",
			"watch",
		},
	},
	{
		APIGroups: []string{""},
		Resources: []string{"configmaps"},
		Verbs: []string{
			"create",
			"delete",
			"get",
			"list",
			"patch",
			"update",
			"watch",
		},
	},
}

var controllerClusterRules = []rbacv1.PolicyRule{
	{
		APIGroups: []string{""},
		Resources: []string{"nodes"},
		Verbs: []string{
			"get",
			"list",
			"watch",
		},
	},
}

// ConfigMap, Leases, and Events access is required for leader-election.
var leaderElectionRules = []rbacv1.PolicyRule{
	{
		APIGroups: []string{"coordination.k8s.io"},
		Resources: []string{"leases"},
		Verbs: []string{
			"create",
			"delete",
			"get",
			"list",
			"patch",
			"update",
			"watch",
		},
	},
	{
		APIGroups: []string{""},
		Resources: []string{"events"},
		Verbs: []string{
			"create",
			"patch",
		},
	},
}

func role(ctx *common.RenderContext) ([]runtime.Object, error) {
	labels := common.DefaultLabels(Component)

	return []runtime.Object{
		&rbacv1.Role{
			TypeMeta: common.TypeMetaRole,
			ObjectMeta: metav1.ObjectMeta{
				Name:      Component,
				Namespace: ctx.Namespace,
				Labels:    labels,
			},
			Rules: append(controllerRules, leaderElectionRules...),
		},

		&rbacv1.Role{
			TypeMeta: common.TypeMetaRole,
			ObjectMeta: metav1.ObjectMeta{
				Name:      Component,
				Namespace: common.WorkspaceSecretsNamespace,
				Labels:    labels,
			},
			Rules: controllerRules,
		},

		&rbacv1.ClusterRole{
			TypeMeta: common.TypeMetaClusterRole,
			ObjectMeta: metav1.ObjectMeta{
				Name:   Component,
				Labels: labels,
			},
			Rules: controllerClusterRules,
		},
	}, nil
}