/
client.go
166 lines (139 loc) · 4.64 KB
/
client.go
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// Copyright (c) 2016-2017 Tigera, Inc. All rights reserved.
// Licensed 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.
package testutils
import (
"net"
etcdclient "github.com/coreos/etcd/client"
"github.com/projectcalico/libcalico-go/lib/api"
"github.com/projectcalico/libcalico-go/lib/api/unversioned"
"github.com/projectcalico/libcalico-go/lib/client"
cnet "github.com/projectcalico/libcalico-go/lib/net"
log "github.com/sirupsen/logrus"
"errors"
"fmt"
"os/exec"
"strings"
"github.com/projectcalico/libcalico-go/lib/backend/model"
"golang.org/x/net/context"
)
// CreateNewIPPool takes a client.Client with a poolSubnet CIDR (in "192.168.1.0/24" format) with
// ipip, natOut, and ipam bools for the pool to be setup and creates a new pool.
func CreateNewIPPool(c client.Client, poolSubnet string, ipip, natOut, ipam bool) {
_, cidr, err := net.ParseCIDR(poolSubnet)
if err != nil {
log.Printf("Error parsing CIDR: %s\n", err)
}
pool := api.IPPool{
TypeMetadata: unversioned.TypeMetadata{
Kind: "pool",
APIVersion: "v1",
},
Metadata: api.IPPoolMetadata{
ObjectMetadata: unversioned.ObjectMetadata{},
CIDR: cnet.IPNet{*cidr},
},
Spec: api.IPPoolSpec{
IPIP: &api.IPIPConfiguration{
Enabled: ipip,
},
NATOutgoing: natOut,
Disabled: !ipam,
},
}
_, err = c.IPPools().Create(&pool)
if err != nil {
log.Printf("Error creating pool: %s\n", err)
}
}
func CreateClient(config api.CalicoAPIConfig) *client.Client {
c, err := client.New(config)
if err != nil {
panic(err)
}
return c
}
func CleanDatastore(config api.CalicoAPIConfig) {
var err error
log.Println(fmt.Sprintf("Cleaning datastore: %v", config.Spec.DatastoreType))
switch config.Spec.DatastoreType {
case api.EtcdV2:
// To clean etcd, just create a new etcd client and delete the entire calico tree.
cfg := etcdclient.Config{
Endpoints: []string{config.Spec.EtcdScheme + "://" + config.Spec.EtcdAuthority},
}
if config.Spec.EtcdEndpoints != "" {
cfg = etcdclient.Config{
Endpoints: strings.Split(config.Spec.EtcdEndpoints, ","),
}
}
if c, err := etcdclient.New(cfg); c != nil {
kapi := etcdclient.NewKeysAPI(c)
_, err = kapi.Delete(context.Background(), "/calico", &etcdclient.DeleteOptions{Dir: true, Recursive: true})
} else {
log.Errorf("Can't create etcd backend %v", err)
}
case api.Kubernetes:
// To clean Kuberenetes, we create a Client and use the backend interface to
// list and remove each of the resource types currently supported by the KDD. We
// can't remove everything though because some of the resources are owned by Kubernetes.
backend := CreateClient(config).Backend
types := []model.ListInterface{
model.GlobalBGPConfigListOptions{},
model.NodeBGPConfigListOptions{},
model.GlobalBGPPeerListOptions{},
model.NodeBGPPeerListOptions{},
model.GlobalConfigListOptions{},
model.IPPoolListOptions{},
}
for _, t := range types {
rs, _ := backend.List(t)
for _, r := range rs {
log.WithField("Key", r.Key).Info("Deleting from KDD")
backend.Delete(r)
}
}
default:
err = errors.New(fmt.Sprintf("Unknown datastore type: %v", config.Spec.DatastoreType))
}
if err != nil {
panic(err)
}
}
// CreateCleanClient is a utility function to wipe clean "/calico" recursively from backend
// and to return confugred client to it
func CreateCleanClient(config api.CalicoAPIConfig) *client.Client {
CleanDatastore(config)
return CreateClient(config)
}
// DumpDatastore prints out a recursive dump of the contents of backend.
func DumpDatastore(config api.CalicoAPIConfig) error {
var output []byte
var err error
log.Println(fmt.Sprintf("Dumping datastore: %v", config.Spec.DatastoreType))
switch config.Spec.DatastoreType {
case api.EtcdV2:
output, err = exec.Command("curl", "http://127.0.0.1:2379/v2/keys?recursive=true").Output()
default:
err = errors.New(fmt.Sprintf("Unknown datastore type: %v", config.Spec.DatastoreType))
}
if err != nil {
if ee, ok := err.(*exec.ExitError); ok {
log.Printf("Dump backend return error: %s, %v", string(ee.Stderr), *ee.ProcessState)
} else {
log.Println(err)
}
} else {
log.Println(string(output))
}
return err
}