abf9fee845
* implement LDAP mock client Signed-off-by: hongming <talonwan@yunify.com> * update Signed-off-by: hongming <talonwan@yunify.com> * update Signed-off-by: hongming <talonwan@yunify.com> * resolve conflict Signed-off-by: hongming <talonwan@yunify.com>
123 lines
2.7 KiB
Go
123 lines
2.7 KiB
Go
/*
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Copyright 2019 The KubeSphere Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package ldap
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import (
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"fmt"
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"github.com/go-ldap/ldap"
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"github.com/golang/mock/gomock"
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"k8s.io/klog"
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)
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type Client interface {
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NewConn() (ldap.Client, error)
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Close()
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GroupSearchBase() string
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UserSearchBase() string
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}
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type poolClient struct {
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pool Pool
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options *Options
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}
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// panic if cannot connect to ldap service
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func NewClient(options *Options, stopCh <-chan struct{}) (Client, error) {
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pool, err := newChannelPool(options.InitialCap, options.MaxCap, options.PoolName, func(s string) (ldap.Client, error) {
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conn, err := ldap.Dial("tcp", options.Host)
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if err != nil {
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return nil, err
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}
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return conn, nil
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}, []uint16{ldap.LDAPResultAdminLimitExceeded, ldap.ErrorNetwork})
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if err != nil {
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klog.Error(err)
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return nil, err
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}
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client := &poolClient{
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pool: pool,
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options: options,
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}
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go func() {
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<-stopCh
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client.Close()
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}()
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return client, nil
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}
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func (l *poolClient) Close() {
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if l.pool != nil {
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l.pool.Close()
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}
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}
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func (l *poolClient) NewConn() (ldap.Client, error) {
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if l.pool == nil {
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err := fmt.Errorf("ldap connection pool is not initialized")
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klog.Errorln(err)
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return nil, err
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}
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conn, err := l.pool.Get()
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// cannot connect to ldap server or pool is closed
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if err != nil {
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klog.Errorln(err)
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return nil, err
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}
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err = conn.Bind(l.options.ManagerDN, l.options.ManagerPassword)
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if err != nil {
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conn.Close()
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klog.Errorln(err)
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return nil, err
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}
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return conn, nil
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}
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func (l *poolClient) GroupSearchBase() string {
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return l.options.GroupSearchBase
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}
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func (l *poolClient) UserSearchBase() string {
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return l.options.UserSearchBase
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}
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func NewMockClient(options *Options, ctrl *gomock.Controller, setup func(client *MockClient)) (Client, error) {
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pool, err := newChannelPool(options.InitialCap, options.MaxCap, options.PoolName, func(s string) (ldap.Client, error) {
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conn := newMockClient(ctrl)
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conn.EXPECT().Bind(gomock.Any(), gomock.Any()).AnyTimes()
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conn.EXPECT().Close().AnyTimes()
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setup(conn)
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return conn, nil
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}, []uint16{ldap.LDAPResultAdminLimitExceeded, ldap.ErrorNetwork})
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if err != nil {
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klog.Error(err)
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return nil, err
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}
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client := &poolClient{
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pool: pool,
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options: options,
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}
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return client, nil
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}
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