551 lines
14 KiB
Go
551 lines
14 KiB
Go
package nomad
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path"
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"strings"
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"testing"
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"time"
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msgpackrpc "github.com/hashicorp/net-rpc-msgpackrpc"
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"github.com/hashicorp/nomad/helper/testlog"
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"github.com/hashicorp/nomad/helper/uuid"
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"github.com/hashicorp/nomad/nomad/mock"
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"github.com/hashicorp/nomad/nomad/structs"
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"github.com/hashicorp/nomad/nomad/structs/config"
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"github.com/hashicorp/nomad/testutil"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func tmpDir(t *testing.T) string {
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t.Helper()
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dir, err := ioutil.TempDir("", "nomad")
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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return dir
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}
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func TestServer_RPC(t *testing.T) {
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t.Parallel()
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s1 := TestServer(t, nil)
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defer s1.Shutdown()
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var out struct{}
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if err := s1.RPC("Status.Ping", struct{}{}, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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}
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func TestServer_RPC_TLS(t *testing.T) {
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t.Parallel()
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const (
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cafile = "../helper/tlsutil/testdata/ca.pem"
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foocert = "../helper/tlsutil/testdata/nomad-foo.pem"
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fookey = "../helper/tlsutil/testdata/nomad-foo-key.pem"
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)
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dir := tmpDir(t)
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defer os.RemoveAll(dir)
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s1 := TestServer(t, func(c *Config) {
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c.Region = "regionFoo"
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c.BootstrapExpect = 3
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c.DevMode = false
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c.DevDisableBootstrap = true
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c.DataDir = path.Join(dir, "node1")
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c.TLSConfig = &config.TLSConfig{
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EnableHTTP: true,
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EnableRPC: true,
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VerifyServerHostname: true,
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CAFile: cafile,
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CertFile: foocert,
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KeyFile: fookey,
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}
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})
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defer s1.Shutdown()
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s2 := TestServer(t, func(c *Config) {
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c.Region = "regionFoo"
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c.BootstrapExpect = 3
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c.DevMode = false
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c.DevDisableBootstrap = true
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c.DataDir = path.Join(dir, "node2")
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c.TLSConfig = &config.TLSConfig{
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EnableHTTP: true,
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EnableRPC: true,
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VerifyServerHostname: true,
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CAFile: cafile,
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CertFile: foocert,
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KeyFile: fookey,
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}
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})
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defer s2.Shutdown()
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s3 := TestServer(t, func(c *Config) {
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c.Region = "regionFoo"
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c.BootstrapExpect = 3
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c.DevMode = false
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c.DevDisableBootstrap = true
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c.DataDir = path.Join(dir, "node3")
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c.TLSConfig = &config.TLSConfig{
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EnableHTTP: true,
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EnableRPC: true,
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VerifyServerHostname: true,
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CAFile: cafile,
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CertFile: foocert,
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KeyFile: fookey,
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}
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})
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defer s3.Shutdown()
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TestJoin(t, s1, s2, s3)
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testutil.WaitForLeader(t, s1.RPC)
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// Part of a server joining is making an RPC request, so just by testing
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// that there is a leader we verify that the RPCs are working over TLS.
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}
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func TestServer_RPC_MixedTLS(t *testing.T) {
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t.Parallel()
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const (
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cafile = "../helper/tlsutil/testdata/ca.pem"
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foocert = "../helper/tlsutil/testdata/nomad-foo.pem"
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fookey = "../helper/tlsutil/testdata/nomad-foo-key.pem"
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)
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dir := tmpDir(t)
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defer os.RemoveAll(dir)
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s1 := TestServer(t, func(c *Config) {
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c.Region = "regionFoo"
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c.BootstrapExpect = 3
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c.DevMode = false
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c.DevDisableBootstrap = true
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c.DataDir = path.Join(dir, "node1")
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c.TLSConfig = &config.TLSConfig{
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EnableHTTP: true,
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EnableRPC: true,
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VerifyServerHostname: true,
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CAFile: cafile,
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CertFile: foocert,
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KeyFile: fookey,
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}
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})
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defer s1.Shutdown()
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s2 := TestServer(t, func(c *Config) {
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c.Region = "regionFoo"
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c.BootstrapExpect = 3
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c.DevMode = false
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c.DevDisableBootstrap = true
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c.DataDir = path.Join(dir, "node2")
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c.TLSConfig = &config.TLSConfig{
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EnableHTTP: true,
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EnableRPC: true,
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VerifyServerHostname: true,
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CAFile: cafile,
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CertFile: foocert,
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KeyFile: fookey,
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}
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})
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defer s2.Shutdown()
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s3 := TestServer(t, func(c *Config) {
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c.Region = "regionFoo"
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c.BootstrapExpect = 3
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c.DevMode = false
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c.DevDisableBootstrap = true
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c.DataDir = path.Join(dir, "node3")
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})
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defer s3.Shutdown()
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TestJoin(t, s1, s2, s3)
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// Ensure that we do not form a quorum
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start := time.Now()
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for {
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if time.Now().After(start.Add(2 * time.Second)) {
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break
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}
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args := &structs.GenericRequest{}
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var leader string
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err := s1.RPC("Status.Leader", args, &leader)
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if err == nil || leader != "" {
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t.Fatalf("Got leader or no error: %q %v", leader, err)
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}
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}
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}
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func TestServer_Regions(t *testing.T) {
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t.Parallel()
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// Make the servers
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s1 := TestServer(t, func(c *Config) {
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c.Region = "region1"
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})
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defer s1.Shutdown()
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s2 := TestServer(t, func(c *Config) {
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c.Region = "region2"
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})
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defer s2.Shutdown()
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// Join them together
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s2Addr := fmt.Sprintf("127.0.0.1:%d",
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s2.config.SerfConfig.MemberlistConfig.BindPort)
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if n, err := s1.Join([]string{s2Addr}); err != nil || n != 1 {
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t.Fatalf("Failed joining: %v (%d joined)", err, n)
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}
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// Try listing the regions
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testutil.WaitForResult(func() (bool, error) {
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out := s1.Regions()
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if len(out) != 2 || out[0] != "region1" || out[1] != "region2" {
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return false, fmt.Errorf("unexpected regions: %v", out)
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}
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return true, nil
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}, func(err error) {
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t.Fatalf("err: %v", err)
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})
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}
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func TestServer_Reload_Vault(t *testing.T) {
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t.Parallel()
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s1 := TestServer(t, func(c *Config) {
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c.Region = "region1"
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})
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defer s1.Shutdown()
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if s1.vault.Running() {
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t.Fatalf("Vault client should not be running")
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}
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tr := true
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config := DefaultConfig()
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config.VaultConfig.Enabled = &tr
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config.VaultConfig.Token = uuid.Generate()
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if err := s1.Reload(config); err != nil {
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t.Fatalf("Reload failed: %v", err)
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}
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if !s1.vault.Running() {
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t.Fatalf("Vault client should be running")
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}
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}
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func connectionReset(msg string) bool {
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return strings.Contains(msg, "EOF") || strings.Contains(msg, "connection reset by peer")
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}
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// Tests that the server will successfully reload its network connections,
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// upgrading from plaintext to TLS if the server's TLS configuration changes.
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func TestServer_Reload_TLSConnections_PlaintextToTLS(t *testing.T) {
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t.Parallel()
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assert := assert.New(t)
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const (
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cafile = "../helper/tlsutil/testdata/ca.pem"
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foocert = "../helper/tlsutil/testdata/nomad-foo.pem"
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fookey = "../helper/tlsutil/testdata/nomad-foo-key.pem"
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)
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dir := tmpDir(t)
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defer os.RemoveAll(dir)
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s1 := TestServer(t, func(c *Config) {
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c.DataDir = path.Join(dir, "nodeA")
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})
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defer s1.Shutdown()
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// assert that the server started in plaintext mode
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assert.Equal(s1.config.TLSConfig.CertFile, "")
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newTLSConfig := &config.TLSConfig{
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EnableHTTP: true,
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EnableRPC: true,
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VerifyServerHostname: true,
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CAFile: cafile,
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CertFile: foocert,
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KeyFile: fookey,
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}
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err := s1.reloadTLSConnections(newTLSConfig)
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assert.Nil(err)
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assert.True(s1.config.TLSConfig.CertificateInfoIsEqual(newTLSConfig))
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codec := rpcClient(t, s1)
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node := mock.Node()
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req := &structs.NodeRegisterRequest{
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Node: node,
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WriteRequest: structs.WriteRequest{Region: "global"},
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}
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var resp structs.GenericResponse
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err = msgpackrpc.CallWithCodec(codec, "Node.Register", req, &resp)
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assert.NotNil(err)
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assert.True(connectionReset(err.Error()))
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}
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// Tests that the server will successfully reload its network connections,
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// downgrading from TLS to plaintext if the server's TLS configuration changes.
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func TestServer_Reload_TLSConnections_TLSToPlaintext_RPC(t *testing.T) {
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t.Parallel()
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assert := assert.New(t)
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const (
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cafile = "../helper/tlsutil/testdata/ca.pem"
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foocert = "../helper/tlsutil/testdata/nomad-foo.pem"
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fookey = "../helper/tlsutil/testdata/nomad-foo-key.pem"
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)
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dir := tmpDir(t)
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defer os.RemoveAll(dir)
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s1 := TestServer(t, func(c *Config) {
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c.DataDir = path.Join(dir, "nodeB")
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c.TLSConfig = &config.TLSConfig{
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EnableHTTP: true,
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EnableRPC: true,
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VerifyServerHostname: true,
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CAFile: cafile,
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CertFile: foocert,
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KeyFile: fookey,
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}
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})
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defer s1.Shutdown()
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newTLSConfig := &config.TLSConfig{}
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err := s1.reloadTLSConnections(newTLSConfig)
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assert.Nil(err)
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assert.True(s1.config.TLSConfig.CertificateInfoIsEqual(newTLSConfig))
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codec := rpcClient(t, s1)
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node := mock.Node()
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req := &structs.NodeRegisterRequest{
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Node: node,
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WriteRequest: structs.WriteRequest{Region: "global"},
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}
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var resp structs.GenericResponse
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err = msgpackrpc.CallWithCodec(codec, "Node.Register", req, &resp)
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assert.Nil(err)
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}
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// Tests that the server will successfully reload its network connections,
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// downgrading only RPC connections
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func TestServer_Reload_TLSConnections_TLSToPlaintext_OnlyRPC(t *testing.T) {
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t.Parallel()
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assert := assert.New(t)
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const (
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cafile = "../helper/tlsutil/testdata/ca.pem"
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foocert = "../helper/tlsutil/testdata/nomad-foo.pem"
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fookey = "../helper/tlsutil/testdata/nomad-foo-key.pem"
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)
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dir := tmpDir(t)
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defer os.RemoveAll(dir)
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s1 := TestServer(t, func(c *Config) {
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c.DataDir = path.Join(dir, "nodeB")
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c.TLSConfig = &config.TLSConfig{
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EnableHTTP: true,
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EnableRPC: true,
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VerifyServerHostname: true,
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CAFile: cafile,
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CertFile: foocert,
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KeyFile: fookey,
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}
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})
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defer s1.Shutdown()
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newTLSConfig := &config.TLSConfig{
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EnableHTTP: true,
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EnableRPC: false,
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VerifyServerHostname: true,
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CAFile: cafile,
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CertFile: foocert,
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KeyFile: fookey,
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}
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err := s1.reloadTLSConnections(newTLSConfig)
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assert.Nil(err)
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assert.True(s1.config.TLSConfig.CertificateInfoIsEqual(newTLSConfig))
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codec := rpcClient(t, s1)
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node := mock.Node()
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req := &structs.NodeRegisterRequest{
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Node: node,
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WriteRequest: structs.WriteRequest{Region: "global"},
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}
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var resp structs.GenericResponse
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err = msgpackrpc.CallWithCodec(codec, "Node.Register", req, &resp)
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assert.Nil(err)
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}
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// Tests that the server will successfully reload its network connections,
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// upgrading only RPC connections
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func TestServer_Reload_TLSConnections_PlaintextToTLS_OnlyRPC(t *testing.T) {
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t.Parallel()
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assert := assert.New(t)
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const (
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cafile = "../helper/tlsutil/testdata/ca.pem"
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foocert = "../helper/tlsutil/testdata/nomad-foo.pem"
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fookey = "../helper/tlsutil/testdata/nomad-foo-key.pem"
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)
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dir := tmpDir(t)
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defer os.RemoveAll(dir)
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s1 := TestServer(t, func(c *Config) {
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c.DataDir = path.Join(dir, "nodeB")
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c.TLSConfig = &config.TLSConfig{
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EnableHTTP: true,
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EnableRPC: false,
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VerifyServerHostname: true,
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CAFile: cafile,
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CertFile: foocert,
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KeyFile: fookey,
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}
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})
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defer s1.Shutdown()
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newTLSConfig := &config.TLSConfig{
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EnableHTTP: true,
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EnableRPC: true,
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VerifyServerHostname: true,
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CAFile: cafile,
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CertFile: foocert,
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KeyFile: fookey,
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}
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err := s1.reloadTLSConnections(newTLSConfig)
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assert.Nil(err)
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assert.True(s1.config.TLSConfig.EnableRPC)
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assert.True(s1.config.TLSConfig.CertificateInfoIsEqual(newTLSConfig))
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codec := rpcClient(t, s1)
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node := mock.Node()
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req := &structs.NodeRegisterRequest{
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Node: node,
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WriteRequest: structs.WriteRequest{Region: "global"},
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}
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var resp structs.GenericResponse
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err = msgpackrpc.CallWithCodec(codec, "Node.Register", req, &resp)
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assert.NotNil(err)
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assert.True(connectionReset(err.Error()))
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}
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// Test that Raft connections are reloaded as expected when a Nomad server is
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// upgraded from plaintext to TLS
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func TestServer_Reload_TLSConnections_Raft(t *testing.T) {
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assert := assert.New(t)
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t.Parallel()
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const (
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cafile = "../../helper/tlsutil/testdata/ca.pem"
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foocert = "../../helper/tlsutil/testdata/nomad-foo.pem"
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fookey = "../../helper/tlsutil/testdata/nomad-foo-key.pem"
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barcert = "../dev/tls_cluster/certs/nomad.pem"
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barkey = "../dev/tls_cluster/certs/nomad-key.pem"
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)
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dir := tmpDir(t)
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defer os.RemoveAll(dir)
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s1 := TestServer(t, func(c *Config) {
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c.BootstrapExpect = 2
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c.DevMode = false
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c.DevDisableBootstrap = true
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c.DataDir = path.Join(dir, "node1")
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c.NodeName = "node1"
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c.Region = "regionFoo"
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})
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defer s1.Shutdown()
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s2 := TestServer(t, func(c *Config) {
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c.BootstrapExpect = 2
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c.DevMode = false
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c.DevDisableBootstrap = true
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c.DataDir = path.Join(dir, "node2")
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c.NodeName = "node2"
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c.Region = "regionFoo"
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})
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defer s2.Shutdown()
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TestJoin(t, s1, s2)
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servers := []*Server{s1, s2}
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testutil.WaitForLeader(t, s1.RPC)
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newTLSConfig := &config.TLSConfig{
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EnableHTTP: true,
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VerifyHTTPSClient: true,
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CAFile: cafile,
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CertFile: foocert,
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KeyFile: fookey,
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}
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err := s1.reloadTLSConnections(newTLSConfig)
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assert.Nil(err)
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{
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for _, serv := range servers {
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testutil.WaitForResult(func() (bool, error) {
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args := &structs.GenericRequest{}
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var leader string
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err := serv.RPC("Status.Leader", args, &leader)
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if leader != "" && err != nil {
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return false, fmt.Errorf("Should not have found leader but got %s", leader)
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}
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return true, nil
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}, func(err error) {
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t.Fatalf("err: %v", err)
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})
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}
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}
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secondNewTLSConfig := &config.TLSConfig{
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EnableHTTP: true,
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VerifyHTTPSClient: true,
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CAFile: cafile,
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CertFile: barcert,
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KeyFile: barkey,
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}
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// Now, transition the other server to TLS, which should restore their
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// ability to communicate.
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err = s2.reloadTLSConnections(secondNewTLSConfig)
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assert.Nil(err)
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testutil.WaitForLeader(t, s2.RPC)
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}
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func TestServer_InvalidSchedulers(t *testing.T) {
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t.Parallel()
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require := require.New(t)
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// Set the config to not have the core scheduler
|
|
config := DefaultConfig()
|
|
logger := testlog.Logger(t)
|
|
s := &Server{
|
|
config: config,
|
|
logger: logger,
|
|
}
|
|
|
|
config.EnabledSchedulers = []string{"batch"}
|
|
err := s.setupWorkers()
|
|
require.NotNil(err)
|
|
require.Contains(err.Error(), "scheduler not enabled")
|
|
|
|
// Set the config to have an unknown scheduler
|
|
config.EnabledSchedulers = []string{"batch", structs.JobTypeCore, "foo"}
|
|
err = s.setupWorkers()
|
|
require.NotNil(err)
|
|
require.Contains(err.Error(), "foo")
|
|
}
|