101 lines
2 KiB
Go
101 lines
2 KiB
Go
package consul
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import (
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"net/rpc"
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"os"
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"testing"
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"github.com/hashicorp/consul/testrpc"
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"github.com/stretchr/testify/require"
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)
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type testClusterConfig struct {
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Datacenter string
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Servers int
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Clients int
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ServerConf func(*Config)
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ClientConf func(*Config)
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ServerWait func(*testing.T, *Server)
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ClientWait func(*testing.T, *Client)
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}
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type testCluster struct {
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Servers []*Server
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ServerCodecs []rpc.ClientCodec
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Clients []*Client
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}
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func newTestCluster(t *testing.T, conf *testClusterConfig) *testCluster {
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t.Helper()
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require.NotNil(t, conf)
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cluster := testCluster{}
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// create the servers
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for i := 0; i < conf.Servers; i++ {
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dir, srv := testServerWithConfig(t, func(c *Config) {
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if conf.Datacenter != "" {
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c.Datacenter = conf.Datacenter
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}
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c.Bootstrap = false
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c.BootstrapExpect = conf.Servers
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if conf.ServerConf != nil {
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conf.ServerConf(c)
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}
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})
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t.Cleanup(func() { os.RemoveAll(dir) })
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t.Cleanup(func() { srv.Shutdown() })
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cluster.Servers = append(cluster.Servers, srv)
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codec := rpcClient(t, srv)
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cluster.ServerCodecs = append(cluster.ServerCodecs, codec)
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t.Cleanup(func() { codec.Close() })
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if i > 0 {
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joinLAN(t, srv, cluster.Servers[0])
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}
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}
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waitForLeaderEstablishment(t, cluster.Servers...)
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if conf.ServerWait != nil {
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for _, srv := range cluster.Servers {
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conf.ServerWait(t, srv)
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}
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}
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// create the clients
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for i := 0; i < conf.Clients; i++ {
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dir, client := testClientWithConfig(t, func(c *Config) {
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if conf.Datacenter != "" {
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c.Datacenter = conf.Datacenter
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}
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if conf.ClientConf != nil {
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conf.ClientConf(c)
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}
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})
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t.Cleanup(func() { os.RemoveAll(dir) })
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t.Cleanup(func() { client.Shutdown() })
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if len(cluster.Servers) > 0 {
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joinLAN(t, client, cluster.Servers[0])
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}
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cluster.Clients = append(cluster.Clients, client)
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}
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for _, client := range cluster.Clients {
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if conf.ClientWait != nil {
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conf.ClientWait(t, client)
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} else {
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testrpc.WaitForTestAgent(t, client.RPC, client.config.Datacenter)
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}
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}
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return &cluster
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}
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