open-consul/command/util_test.go

152 lines
3.5 KiB
Go

package command
import (
"fmt"
"io/ioutil"
"math/rand"
"net"
"os"
"strings"
"sync/atomic"
"testing"
"time"
"github.com/hashicorp/consul/api"
"github.com/hashicorp/consul/command/agent"
"github.com/hashicorp/consul/consul"
"github.com/hashicorp/consul/logger"
"github.com/hashicorp/consul/version"
"github.com/mitchellh/cli"
)
var offset uint64
func init() {
// Seed the random number generator
rand.Seed(time.Now().UnixNano())
version.Version = "0.8.0"
}
type agentWrapper struct {
dir string
config *agent.Config
agent *agent.Agent
http *agent.HTTPServer
addr string
httpAddr string
}
func (a *agentWrapper) Shutdown() {
a.agent.Shutdown()
a.http.Shutdown()
os.RemoveAll(a.dir)
}
func testAgent(t *testing.T) *agentWrapper {
return testAgentWithConfig(t, nil)
}
func testAgentWithAPIClient(t *testing.T) (*agentWrapper, *api.Client) {
agent := testAgentWithConfig(t, func(c *agent.Config) {})
client, err := api.NewClient(&api.Config{Address: agent.httpAddr})
if err != nil {
t.Fatalf("consul client: %#v", err)
}
return agent, client
}
func testAgentWithConfig(t *testing.T, cb func(c *agent.Config)) *agentWrapper {
return testAgentWithConfigReload(t, cb, nil)
}
func testAgentWithConfigReload(t *testing.T, cb func(c *agent.Config), reloadCh chan chan error) *agentWrapper {
l, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatalf("err: %s", err)
}
lw := logger.NewLogWriter(512)
conf := nextConfig()
if cb != nil {
cb(conf)
}
dir, err := ioutil.TempDir("", "agent")
if err != nil {
t.Fatalf(fmt.Sprintf("err: %v", err))
}
conf.DataDir = dir
a, err := agent.Create(conf, lw, nil, reloadCh)
if err != nil {
os.RemoveAll(dir)
t.Fatalf(fmt.Sprintf("err: %v", err))
}
conf.Addresses.HTTP = "127.0.0.1"
httpAddr := fmt.Sprintf("127.0.0.1:%d", conf.Ports.HTTP)
http, err := agent.NewHTTPServers(a, conf, os.Stderr)
if err != nil {
os.RemoveAll(dir)
t.Fatalf(fmt.Sprintf("err: %v", err))
}
if http == nil || len(http) == 0 {
os.RemoveAll(dir)
t.Fatalf(fmt.Sprintf("Could not create HTTP server to listen on: %s", httpAddr))
}
return &agentWrapper{
dir: dir,
config: conf,
agent: a,
http: http[0],
addr: l.Addr().String(),
httpAddr: httpAddr,
}
}
func nextConfig() *agent.Config {
idx := int(atomic.AddUint64(&offset, 1))
conf := agent.DefaultConfig()
conf.Bootstrap = true
conf.Datacenter = "dc1"
conf.NodeName = fmt.Sprintf("Node %d", idx)
conf.BindAddr = "127.0.0.1"
conf.Server = true
conf.Version = version.Version
conf.Ports.HTTP = 10000 + 10*idx
conf.Ports.HTTPS = 10401 + 10*idx
conf.Ports.SerfLan = 10201 + 10*idx
conf.Ports.SerfWan = 10202 + 10*idx
conf.Ports.Server = 10300 + 10*idx
cons := consul.DefaultConfig()
conf.ConsulConfig = cons
cons.SerfLANConfig.MemberlistConfig.ProbeTimeout = 100 * time.Millisecond
cons.SerfLANConfig.MemberlistConfig.ProbeInterval = 100 * time.Millisecond
cons.SerfLANConfig.MemberlistConfig.GossipInterval = 100 * time.Millisecond
cons.SerfWANConfig.MemberlistConfig.ProbeTimeout = 100 * time.Millisecond
cons.SerfWANConfig.MemberlistConfig.ProbeInterval = 100 * time.Millisecond
cons.SerfWANConfig.MemberlistConfig.GossipInterval = 100 * time.Millisecond
cons.RaftConfig.LeaderLeaseTimeout = 20 * time.Millisecond
cons.RaftConfig.HeartbeatTimeout = 40 * time.Millisecond
cons.RaftConfig.ElectionTimeout = 40 * time.Millisecond
return conf
}
func assertNoTabs(t *testing.T, c cli.Command) {
if strings.ContainsRune(c.Help(), '\t') {
t.Errorf("%#v help output contains tabs", c)
}
}