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role_data.go
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role_data.go
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package app
import (
"github.com/pkg/errors"
"github.com/rancher/types/apis/management.cattle.io/v3"
"github.com/rancher/types/config"
"github.com/sirupsen/logrus"
"golang.org/x/crypto/bcrypt"
corev1 "k8s.io/api/core/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
)
const (
bootstrappedRole = "authz.management.cattle.io/bootstrapped-role"
bootstrapAdminConfig = "admincreated"
cattleNamespace = "cattle-system"
defaultAdminLabelKey = "authz.management.cattle.io/bootstrapping"
defaultAdminLabelValue = "admin-user"
)
var defaultAdminLabel = map[string]string{defaultAdminLabelKey: defaultAdminLabelValue}
func addRoles(management *config.ManagementContext) (string, error) {
rb := newRoleBuilder()
rb.addRole("Create Clusters", "clusters-create").addRule().apiGroups("management.cattle.io").resources("clusters").verbs("create").
addRule().apiGroups("management.cattle.io").resources("templates", "templateversions").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("nodedrivers").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("podsecuritypolicytemplates").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("nodetemplates").verbs("*")
rb.addRole("Manage Node Drivers", "nodedrivers-manage").addRule().apiGroups("management.cattle.io").resources("nodedrivers").verbs("*")
rb.addRole("Manage Catalogs", "catalogs-manage").addRule().apiGroups("management.cattle.io").resources("catalogs", "templates", "templateversions").verbs("*")
rb.addRole("Use Catalog Templates", "catalogs-use").addRule().apiGroups("management.cattle.io").resources("templates", "templateversions").verbs("get", "list", "watch")
rb.addRole("Manage Users", "users-manage").addRule().apiGroups("management.cattle.io").resources("users", "globalrolebindings").verbs("*").
addRule().apiGroups("management.cattle.io").resources("globalroles").verbs("get", "list", "watch")
rb.addRole("Manage Roles", "roles-manage").addRule().apiGroups("management.cattle.io").resources("roletemplates").verbs("*")
rb.addRole("Manage Authentication", "authn-manage").addRule().apiGroups("management.cattle.io").resources("authconfigs").verbs("get", "list", "watch", "update")
rb.addRole("Manage Settings", "settings-manage").addRule().apiGroups("management.cattle.io").resources("settings").verbs("*")
rb.addRole("Manage PodSecurityPolicy Templates", "podsecuritypolicytemplates-manage").addRule().apiGroups("management.cattle.io").resources("podsecuritypolicytemplates").verbs("*")
rb.addRole("Admin", "admin").addRule().apiGroups("*").resources("*").verbs("*").
addRule().apiGroups().nonResourceURLs("*").verbs("*")
rb.addRole("User", "user").addRule().apiGroups("management.cattle.io").resources("principals", "roletemplates").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("preferences").verbs("*").
addRule().apiGroups("management.cattle.io").resources("settings").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("clusters").verbs("create").
addRule().apiGroups("management.cattle.io").resources("templates", "templateversions").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("nodedrivers").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("podsecuritypolicytemplates").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("nodetemplates").verbs("*").
addRule().apiGroups("management.cattle.io").resources("sourcecodecredentials").verbs("*").
addRule().apiGroups("management.cattle.io").resources("sourcecoderepositories").verbs("*").
rb.addRole("User Base", "user-base").addRule().apiGroups("management.cattle.io").resources("preferences").verbs("*").
addRule().apiGroups("management.cattle.io").resources("settings").verbs("get", "list", "watch")
// TODO user should be dynamically authorized to only see herself
// TODO Need "self-service" for nodetemplates such that a user can create them, but only RUD their own
// TODO enable when groups are "in". they need to be self-service
if err := rb.reconcileGlobalRoles(management); err != nil {
return "", errors.Wrap(err, "problem reconciling global roles")
}
// RoleTemplates to be used inside of clusters
rb = newRoleBuilder()
// K8s default roles
rb.addRoleTemplate("Kubernetes cluster-admin", "cluster-admin", "cluster", true, true, true)
rb.addRoleTemplate("Kubernetes admin", "admin", "project", true, true, true)
rb.addRoleTemplate("Kubernetes edit", "edit", "project", true, true, true)
rb.addRoleTemplate("Kubernetes view", "view", "project", true, true, true)
// Cluster roles
rb.addRoleTemplate("Cluster Owner", "cluster-owner", "cluster", true, false, false).
addRule().apiGroups("*").resources("*").verbs("*").
addRule().apiGroups().nonResourceURLs("*").verbs("*")
rb.addRoleTemplate("Cluster Member", "cluster-member", "cluster", true, false, false).
addRule().apiGroups("management.cattle.io").resources("clusterroletemplatebindings").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("projects").verbs("create").
addRule().apiGroups("management.cattle.io").resources("nodes", "nodepools").verbs("get", "list", "watch").
addRule().apiGroups("*").resources("nodes").verbs("get", "list", "watch").
addRule().apiGroups("*").resources("persistentvolumes").verbs("get", "list", "watch").
addRule().apiGroups("*").resources("storageclasses").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("clusterevents").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("clusterloggings").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("clusteralerts").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("notifiers").verbs("get", "list", "watch").
rb.addRoleTemplate("Create Projects", "projects-create", "cluster", true, false, false).
addRule().apiGroups("management.cattle.io").resources("projects").verbs("create")
rb.addRoleTemplate("View All Projects", "projects-view", "cluster", true, false, false).
addRule().apiGroups("management.cattle.io").resources("projects").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("projectroletemplatebindings").verbs("get", "list", "watch").
addRule().apiGroups("project.cattle.io").resources("apps").verbs("get", "list", "watch").
addRule().apiGroups("").resources("namespaces").verbs("get", "list", "watch").
addRule().apiGroups("*").resources("persistentvolumes").verbs("get", "list", "watch").
addRule().apiGroups("*").resources("storageclasses").verbs("get", "list", "watch").
addRule().apiGroups("*").resources("persistentvolumeclaims").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("clusterevents").verbs("get", "list", "watch").
setRoleTemplateNames("view")
rb.addRoleTemplate("Manage Nodes", "nodes-manage", "cluster", true, false, false).
addRule().apiGroups("management.cattle.io").resources("nodes", "nodepools").verbs("*").
addRule().apiGroups("*").resources("nodes").verbs("*")
rb.addRoleTemplate("View Nodes", "nodes-view", "cluster", true, false, false).
addRule().apiGroups("management.cattle.io").resources("nodes", "nodepools").verbs("get", "list", "watch").
addRule().apiGroups("*").resources("nodes").verbs("get", "list", "watch")
rb.addRoleTemplate("Manage Storage", "storage-manage", "cluster", true, false, false).
addRule().apiGroups("*").resources("persistentvolumes").verbs("*").
addRule().apiGroups("*").resources("storageclasses").verbs("*").
addRule().apiGroups("*").resources("persistentvolumeclaims").verbs("*")
rb.addRoleTemplate("Manage Cluster Members", "clusterroletemplatebindings-manage", "cluster", true, false, false).
addRule().apiGroups("management.cattle.io").resources("clusterroletemplatebindings").verbs("*")
rb.addRoleTemplate("View Cluster Members", "clusterroletemplatebindings-view", "cluster", true, false, false).
addRule().apiGroups("management.cattle.io").resources("clusterroletemplatebindings").verbs("get", "list", "watch")
// Project roles
rb.addRoleTemplate("Project Owner", "project-owner", "project", true, false, false).
addRule().apiGroups("management.cattle.io").resources("projectroletemplatebindings").verbs("*").
addRule().apiGroups("project.cattle.io").resources("apps").verbs("*").
addRule().apiGroups("project.cattle.io").resources("pipelines").verbs("*").
addRule().apiGroups("project.cattle.io").resources("pipelineexecutions").verbs("*").
addRule().apiGroups("project.cattle.io").resources("pipelinesettings").verbs("*").
addRule().apiGroups("project.cattle.io").resources("sourcecodeproviderconfigs").verbs("*").
addRule().apiGroups("").resources("namespaces").verbs("create").
addRule().apiGroups("*").resources("persistentvolumes").verbs("get", "list", "watch").
addRule().apiGroups("*").resources("storageclasses").verbs("get", "list", "watch").
addRule().apiGroups("*").resources("persistentvolumeclaims").verbs("*").
addRule().apiGroups("management.cattle.io").resources("clusterevents").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("notifiers").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("projectalerts").verbs("*").
addRule().apiGroups("management.cattle.io").resources("projectloggings").verbs("*").
setRoleTemplateNames("admin")
rb.addRoleTemplate("Project Member", "project-member", "project", true, false, false).
addRule().apiGroups("management.cattle.io").resources("projectroletemplatebindings").verbs("get", "list", "watch").
addRule().apiGroups("project.cattle.io").resources("apps").verbs("*").
addRule().apiGroups("project.cattle.io").resources("pipelines").verbs("*").
addRule().apiGroups("project.cattle.io").resources("pipelineexecutions").verbs("*").
addRule().apiGroups("").resources("namespaces").verbs("create").
addRule().apiGroups("*").resources("persistentvolumes").verbs("get", "list", "watch").
addRule().apiGroups("*").resources("storageclasses").verbs("get", "list", "watch").
addRule().apiGroups("*").resources("persistentvolumeclaims").verbs("*").
addRule().apiGroups("management.cattle.io").resources("clusterevents").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("notifiers").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("projectalerts").verbs("*").
addRule().apiGroups("management.cattle.io").resources("projectloggings").verbs("get", "list", "watch").
setRoleTemplateNames("edit")
rb.addRoleTemplate("Read-only", "read-only", "project", true, false, false).
addRule().apiGroups("management.cattle.io").resources("projectroletemplatebindings").verbs("get", "list", "watch").
addRule().apiGroups("project.cattle.io").resources("apps").verbs("get", "list", "watch").
addRule().apiGroups("project.cattle.io").resources("pipelines").verbs("get", "list", "watch").
addRule().apiGroups("project.cattle.io").resources("pipelineexecutions").verbs("get", "list", "watch").
addRule().apiGroups("*").resources("persistentvolumes").verbs("get", "list", "watch").
addRule().apiGroups("*").resources("storageclasses").verbs("get", "list", "watch").
addRule().apiGroups("*").resources("persistentvolumeclaims").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("clusterevents").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("notifiers").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("projectalerts").verbs("get", "list", "watch").
addRule().apiGroups("management.cattle.io").resources("projectloggings").verbs("get", "list", "watch").
setRoleTemplateNames("view")
rb.addRoleTemplate("Create Namespaces", "create-ns", "project", true, false, false).
addRule().apiGroups("").resources("namespaces").verbs("create")
rb.addRoleTemplate("Manage Workloads", "workloads-manage", "project", true, false, false).
addRule().apiGroups("*").resources("pods", "pods/attach", "pods/exec", "pods/portforward", "pods/proxy", "replicationcontrollers",
"replicationcontrollers/scale", "daemonsets", "deployments", "deployments/rollback", "deployments/scale", "replicasets",
"replicasets/scale", "statefulsets", "cronjobs", "jobs", "daemonsets", "deployments", "deployments/rollback", "deployments/scale",
"replicasets", "replicasets/scale", "replicationcontrollers/scale", "horizontalpodautoscalers").verbs("*").
addRule().apiGroups("*").resources("limitranges", "pods/log", "pods/status", "replicationcontrollers/status", "resourcequotas", "resourcequotas/status", "bindings").verbs("get", "list", "watch").
addRule().apiGroups("project.cattle.io").resources("apps").verbs("*")
rb.addRoleTemplate("View Workloads", "workloads-view", "project", true, false, false).
addRule().apiGroups("*").resources("pods", "pods/attach", "pods/exec", "pods/portforward", "pods/proxy", "replicationcontrollers",
"replicationcontrollers/scale", "daemonsets", "deployments", "deployments/rollback", "deployments/scale", "replicasets",
"replicasets/scale", "statefulsets", "cronjobs", "jobs", "daemonsets", "deployments", "deployments/rollback", "deployments/scale",
"replicasets", "replicasets/scale", "replicationcontrollers/scale", "horizontalpodautoscalers").verbs("get", "list", "watch").
addRule().apiGroups("*").resources("limitranges", "pods/log", "pods/status", "replicationcontrollers/status", "resourcequotas", "resourcequotas/status", "bindings").verbs("get", "list", "watch").
addRule().apiGroups("project.cattle.io").resources("apps").verbs("get", "list", "watch")
rb.addRoleTemplate("Manage Ingress", "ingress-manage", "project", true, false, false).
addRule().apiGroups("*").resources("ingresses").verbs("*")
rb.addRoleTemplate("View Ingress", "ingress-view", "project", true, false, false).
addRule().apiGroups("*").resources("ingresses").verbs("get", "list", "watch")
rb.addRoleTemplate("Manage Services", "services-manage", "project", true, false, false).
addRule().apiGroups("*").resources("services", "endpoints").verbs("*")
rb.addRoleTemplate("View Services", "services-view", "project", true, false, false).
addRule().apiGroups("*").resources("services", "endpoints").verbs("get", "list", "watch")
rb.addRoleTemplate("Manage Secrets", "secrets-manage", "project", true, false, false).
addRule().apiGroups("*").resources("secrets").verbs("*")
rb.addRoleTemplate("View Secrets", "secrets-view", "project", true, false, false).
addRule().apiGroups("*").resources("secrets").verbs("get", "list", "watch")
rb.addRoleTemplate("Manage Config Maps", "configmaps-manage", "project", true, false, false).
addRule().apiGroups("*").resources("configmaps").verbs("*")
rb.addRoleTemplate("View Config Maps", "configmaps-view", "project", true, false, false).
addRule().apiGroups("*").resources("configmaps").verbs("get", "list", "watch")
rb.addRoleTemplate("Manage Volumes", "persistentvolumeclaims-manage", "project", true, false, false).
addRule().apiGroups("*").resources("persistentvolumes").verbs("get", "list", "watch").
addRule().apiGroups("*").resources("storageclasses").verbs("get", "list", "watch").
addRule().apiGroups("*").resources("persistentvolumeclaims").verbs("*")
rb.addRoleTemplate("View Volumes", "persistentvolumeclaims-view", "project", true, false, false).
addRule().apiGroups("*").resources("persistentvolumes").verbs("get", "list", "watch").
addRule().apiGroups("*").resources("storageclasses").verbs("get", "list", "watch").
addRule().apiGroups("*").resources("persistentvolumeclaims").verbs("get", "list", "watch")
rb.addRoleTemplate("Manage Service Accounts", "serviceaccounts-manage", "project", true, false, false).
addRule().apiGroups("*").resources("serviceaccounts").verbs("*")
rb.addRoleTemplate("View Service Accounts", "serviceaccounts-view", "project", true, false, false).
addRule().apiGroups("*").resources("serviceaccounts").verbs("get", "list", "watch")
rb.addRoleTemplate("Manage Project Members", "projectroletemplatebindings-manage", "project", true, false, false).
addRule().apiGroups("management.cattle.io").resources("projectroletemplatebindings").verbs("*")
rb.addRoleTemplate("View Project Members", "projectroletemplatebindings-view", "project", true, false, false).
addRule().apiGroups("management.cattle.io").resources("projectroletemplatebindings").verbs("get", "list", "watch")
// Not specific to project or cluster
// TODO When clusterevents has value, consider adding this back in
//rb.addRoleTemplate("View Events", "events-view", "", true, false, false).
// addRule().apiGroups("*").resources("events").verbs("get", "list", "watch").
// addRule().apiGroups("management.cattle.io").resources("clusterevents").verbs("get", "list", "watch")
if err := rb.reconcileRoleTemplates(management); err != nil {
return "", errors.Wrap(err, "problem reconciling role templates")
}
adminName, err := bootstrapAdmin(management)
if err != nil {
return "", err
}
err = bootstrapDefaultRoles(management)
if err != nil {
return "", err
}
return adminName, nil
}
// bootstrapAdmin checks if the bootstrapAdminConfig exists, if it does this indicates rancher has
// already created the admin user and should not attempt it again. Otherwise attempt to create the admin.
func bootstrapAdmin(management *config.ManagementContext) (string, error) {
var adminName string
set := labels.Set(defaultAdminLabel)
admins, err := management.Management.Users("").List(v1.ListOptions{LabelSelector: set.String()})
if err != nil {
return "", err
}
if len(admins.Items) > 0 {
adminName = admins.Items[0].Name
}
if _, err := management.K8sClient.Core().ConfigMaps(cattleNamespace).Get(bootstrapAdminConfig, v1.GetOptions{}); err != nil {
if !apierrors.IsNotFound(err) {
logrus.Warnf("Unable to determine if admin user already created: %v", err)
return "", nil
}
} else {
// config map already exists, nothing to do
return adminName, nil
}
users, err := management.Management.Users("").List(v1.ListOptions{})
if err != nil {
return "", err
}
if len(users.Items) == 0 {
// Config map does not exist and no users, attempt to create the default admin user
hash, _ := bcrypt.GenerateFromPassword([]byte("admin"), bcrypt.DefaultCost)
admin, err := management.Management.Users("").Create(&v3.User{
ObjectMeta: v1.ObjectMeta{
GenerateName: "user-",
Labels: defaultAdminLabel,
},
DisplayName: "Default Admin",
Username: "admin",
Password: string(hash),
MustChangePassword: true,
})
if err != nil && !apierrors.IsAlreadyExists(err) {
return "", errors.Wrap(err, "can not ensure admin user exists")
}
adminName = admin.Name
bindings, err := management.Management.GlobalRoleBindings("").List(v1.ListOptions{LabelSelector: set.String()})
if err != nil {
return "", err
}
if len(bindings.Items) == 0 {
_, err = management.Management.GlobalRoleBindings("").Create(
&v3.GlobalRoleBinding{
ObjectMeta: v1.ObjectMeta{
GenerateName: "globalrolebinding-",
Labels: defaultAdminLabel,
},
UserName: adminName,
GlobalRoleName: "admin",
})
if err != nil {
logrus.Warnf("Failed to create default admin global role binding: %v", err)
} else {
logrus.Info("Created default admin user and binding")
}
}
}
adminConfigMap := corev1.ConfigMap{
ObjectMeta: v1.ObjectMeta{
Name: bootstrapAdminConfig,
Namespace: cattleNamespace,
},
}
_, err = management.K8sClient.Core().ConfigMaps(cattleNamespace).Create(&adminConfigMap)
if err != nil {
if !apierrors.IsAlreadyExists(err) {
logrus.Warnf("Error creating admin config map: %v", err)
}
}
return adminName, nil
}
// bootstrapDefaultRoles will set the default roles for user login, cluster create
// and project create. If the default roles already have the bootstrappedRole
// annotation this will be a no-op as this was done on a previous startup and will
// now respect the currently selected defaults.
func bootstrapDefaultRoles(management *config.ManagementContext) error {
user, err := management.Management.GlobalRoles("").Get("user", v1.GetOptions{})
if err != nil {
return err
}
if _, ok := user.Annotations[bootstrappedRole]; !ok {
copy := user.DeepCopy()
copy.NewUserDefault = true
if copy.Annotations == nil {
copy.Annotations = make(map[string]string)
}
copy.Annotations[bootstrappedRole] = "true"
_, err := management.Management.GlobalRoles("").Update(copy)
if err != nil {
return err
}
}
clusterRole, err := management.Management.RoleTemplates("").Get("cluster-owner", v1.GetOptions{})
if err != nil {
return nil
}
if _, ok := clusterRole.Annotations[bootstrappedRole]; !ok {
copy := clusterRole.DeepCopy()
copy.ClusterCreatorDefault = true
if copy.Annotations == nil {
copy.Annotations = make(map[string]string)
}
copy.Annotations[bootstrappedRole] = "true"
_, err := management.Management.RoleTemplates("").Update(copy)
if err != nil {
return err
}
}
projectRole, err := management.Management.RoleTemplates("").Get("project-owner", v1.GetOptions{})
if err != nil {
return nil
}
if _, ok := projectRole.Annotations[bootstrappedRole]; !ok {
copy := projectRole.DeepCopy()
copy.ProjectCreatorDefault = true
if copy.Annotations == nil {
copy.Annotations = make(map[string]string)
}
copy.Annotations[bootstrappedRole] = "true"
_, err := management.Management.RoleTemplates("").Update(copy)
if err != nil {
return err
}
}
return nil
}