mirror of https://github.com/status-im/consul.git
351 lines
9.2 KiB
Go
351 lines
9.2 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package consul
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import (
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"fmt"
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"os"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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msgpackrpc "github.com/hashicorp/consul-net-rpc/net-rpc-msgpackrpc"
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"github.com/hashicorp/consul/acl"
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"github.com/hashicorp/consul/agent/connect"
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"github.com/hashicorp/consul/agent/structs"
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"github.com/hashicorp/consul/sdk/testutil"
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"github.com/hashicorp/consul/testrpc"
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)
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func TestDiscoveryChainEndpoint_Get(t *testing.T) {
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if testing.Short() {
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t.Skip("too slow for testing.Short")
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}
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t.Parallel()
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dir1, s1 := testServerWithConfig(t, func(c *Config) {
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c.PrimaryDatacenter = "dc1"
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c.PrimaryDatacenter = "dc1"
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c.ACLsEnabled = true
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c.ACLInitialManagementToken = "root"
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c.ACLResolverSettings.ACLDefaultPolicy = "deny"
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})
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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codec := rpcClient(t, s1)
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defer codec.Close()
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waitForLeaderEstablishment(t, s1)
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testrpc.WaitForTestAgent(t, s1.RPC, "dc1", testrpc.WithToken("root"))
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denyToken, err := upsertTestTokenWithPolicyRules(codec, "root", "dc1", "")
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require.NoError(t, err)
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allowToken, err := upsertTestTokenWithPolicyRules(codec, "root", "dc1", `service "web" { policy = "read" }`)
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require.NoError(t, err)
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getChain := func(args *structs.DiscoveryChainRequest) (*structs.DiscoveryChainResponse, error) {
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resp := structs.DiscoveryChainResponse{}
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err := msgpackrpc.CallWithCodec(codec, "DiscoveryChain.Get", &args, &resp)
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if err != nil {
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return nil, err
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}
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// clear fields that we don't care about
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resp.QueryMeta = structs.QueryMeta{}
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return &resp, nil
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}
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newTarget := func(opts structs.DiscoveryTargetOpts) *structs.DiscoveryTarget {
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if opts.Namespace == "" {
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opts.Namespace = "default"
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}
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if opts.Partition == "" {
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opts.Partition = "default"
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}
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if opts.Datacenter == "" {
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opts.Datacenter = "dc1"
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}
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t := structs.NewDiscoveryTarget(opts)
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t.SNI = connect.TargetSNI(t, connect.TestClusterID+".consul")
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t.Name = t.SNI
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t.ConnectTimeout = 5 * time.Second // default
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return t
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}
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targetWithConnectTimeout := func(t *structs.DiscoveryTarget, connectTimeout time.Duration) *structs.DiscoveryTarget {
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t.ConnectTimeout = connectTimeout
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return t
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}
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// ==== compiling the default chain (no config entries)
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{ // no token
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_, err := getChain(&structs.DiscoveryChainRequest{
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Name: "web",
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EvaluateInDatacenter: "dc1",
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EvaluateInNamespace: "default",
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EvaluateInPartition: "default",
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Datacenter: "dc1",
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})
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if !acl.IsErrPermissionDenied(err) {
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t.Fatalf("err: %v", err)
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}
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}
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{ // wrong token
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_, err := getChain(&structs.DiscoveryChainRequest{
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Name: "web",
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EvaluateInDatacenter: "dc1",
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EvaluateInNamespace: "default",
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EvaluateInPartition: "default",
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Datacenter: "dc1",
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QueryOptions: structs.QueryOptions{Token: denyToken.SecretID},
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})
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if !acl.IsErrPermissionDenied(err) {
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t.Fatalf("err: %v", err)
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}
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}
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expectDefaultResponse_DC1_Default := &structs.DiscoveryChainResponse{
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Chain: &structs.CompiledDiscoveryChain{
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ServiceName: "web",
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Namespace: "default",
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Partition: "default",
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Datacenter: "dc1",
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Protocol: "tcp",
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StartNode: "resolver:web.default.default.dc1",
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Default: true,
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Nodes: map[string]*structs.DiscoveryGraphNode{
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"resolver:web.default.default.dc1": {
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Type: structs.DiscoveryGraphNodeTypeResolver,
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Name: "web.default.default.dc1",
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Resolver: &structs.DiscoveryResolver{
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Default: true,
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ConnectTimeout: 5 * time.Second,
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Target: "web.default.default.dc1",
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},
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},
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},
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Targets: map[string]*structs.DiscoveryTarget{
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"web.default.default.dc1": newTarget(structs.DiscoveryTargetOpts{Service: "web"}),
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},
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},
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}
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// various ways with good token
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for _, tc := range []struct {
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evalDC string
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evalNS string
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evalPart string
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expect *structs.DiscoveryChainResponse
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}{
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{
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evalDC: "dc1",
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evalNS: "default",
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evalPart: "default",
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expect: expectDefaultResponse_DC1_Default,
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},
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{
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evalDC: "",
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evalNS: "default",
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evalPart: "default",
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expect: expectDefaultResponse_DC1_Default,
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},
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{
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evalDC: "dc1",
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evalNS: "",
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evalPart: "default",
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expect: expectDefaultResponse_DC1_Default,
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},
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{
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evalDC: "",
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evalNS: "",
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evalPart: "default",
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expect: expectDefaultResponse_DC1_Default,
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},
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{
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evalDC: "dc1",
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evalNS: "default",
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evalPart: "",
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expect: expectDefaultResponse_DC1_Default,
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},
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{
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evalDC: "",
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evalNS: "default",
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evalPart: "",
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expect: expectDefaultResponse_DC1_Default,
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},
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{
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evalDC: "dc1",
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evalNS: "",
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evalPart: "",
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expect: expectDefaultResponse_DC1_Default,
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},
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{
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evalDC: "",
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evalNS: "",
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evalPart: "",
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expect: expectDefaultResponse_DC1_Default,
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},
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} {
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tc := tc
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name := fmt.Sprintf("dc=%q ns=%q", tc.evalDC, tc.evalNS)
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require.True(t, t.Run(name, func(t *testing.T) {
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resp, err := getChain(&structs.DiscoveryChainRequest{
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Name: "web",
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EvaluateInDatacenter: tc.evalDC,
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EvaluateInNamespace: tc.evalNS,
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EvaluateInPartition: tc.evalPart,
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Datacenter: "dc1",
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QueryOptions: structs.QueryOptions{Token: allowToken.SecretID},
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})
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require.NoError(t, err)
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require.Equal(t, tc.expect, resp)
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}))
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}
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{ // Now create one config entry.
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out := false
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require.NoError(t, msgpackrpc.CallWithCodec(codec, "ConfigEntry.Apply",
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&structs.ConfigEntryRequest{
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Datacenter: "dc1",
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Entry: &structs.ServiceResolverConfigEntry{
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Kind: structs.ServiceResolver,
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Name: "web",
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ConnectTimeout: 33 * time.Second,
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},
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WriteRequest: structs.WriteRequest{Token: "root"},
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}, &out))
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require.True(t, out)
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}
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// ==== compiling a chain with config entries
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{ // good token
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resp, err := getChain(&structs.DiscoveryChainRequest{
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Name: "web",
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EvaluateInDatacenter: "dc1",
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EvaluateInNamespace: "default",
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EvaluateInPartition: "default",
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Datacenter: "dc1",
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QueryOptions: structs.QueryOptions{Token: allowToken.SecretID},
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})
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require.NoError(t, err)
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expect := &structs.DiscoveryChainResponse{
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Chain: &structs.CompiledDiscoveryChain{
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ServiceName: "web",
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Namespace: "default",
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Partition: "default",
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Datacenter: "dc1",
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Protocol: "tcp",
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StartNode: "resolver:web.default.default.dc1",
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Nodes: map[string]*structs.DiscoveryGraphNode{
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"resolver:web.default.default.dc1": {
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Type: structs.DiscoveryGraphNodeTypeResolver,
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Name: "web.default.default.dc1",
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Resolver: &structs.DiscoveryResolver{
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ConnectTimeout: 33 * time.Second,
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Target: "web.default.default.dc1",
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},
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},
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},
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Targets: map[string]*structs.DiscoveryTarget{
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"web.default.default.dc1": targetWithConnectTimeout(
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newTarget(structs.DiscoveryTargetOpts{Service: "web"}),
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33*time.Second,
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),
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},
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AutoVirtualIPs: []string{"240.0.0.1"},
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ManualVirtualIPs: []string{},
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},
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}
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require.Equal(t, expect, resp)
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}
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}
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func TestDiscoveryChainEndpoint_Get_BlockOnNoChange(t *testing.T) {
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if testing.Short() {
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t.Skip("too slow for testing.Short")
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}
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t.Parallel()
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_, s1 := testServerWithConfig(t, func(c *Config) {
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c.DevMode = true // keep it in ram to make it 10x faster on macos
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c.PrimaryDatacenter = "dc1"
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})
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codec := rpcClient(t, s1)
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waitForLeaderEstablishment(t, s1)
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testrpc.WaitForTestAgent(t, s1.RPC, "dc1")
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{ // create one unrelated entry
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var out bool
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require.NoError(t, msgpackrpc.CallWithCodec(codec, "ConfigEntry.Apply", &structs.ConfigEntryRequest{
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Datacenter: "dc1",
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Entry: &structs.ServiceResolverConfigEntry{
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Kind: structs.ServiceResolver,
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Name: "unrelated",
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ConnectTimeout: 33 * time.Second,
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},
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}, &out))
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require.True(t, out)
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}
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run := func(t *testing.T, dataPrefix string) {
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rpcBlockingQueryTestHarness(t,
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func(minQueryIndex uint64) (*structs.QueryMeta, <-chan error) {
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args := &structs.DiscoveryChainRequest{
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Name: "web",
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EvaluateInDatacenter: "dc1",
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EvaluateInNamespace: "default",
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EvaluateInPartition: "default",
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Datacenter: "dc1",
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}
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args.QueryOptions.MinQueryIndex = minQueryIndex
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var out structs.DiscoveryChainResponse
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errCh := channelCallRPC(s1, "DiscoveryChain.Get", &args, &out, nil)
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return &out.QueryMeta, errCh
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},
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func(i int) <-chan error {
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var out bool
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return channelCallRPC(s1, "ConfigEntry.Apply", &structs.ConfigEntryRequest{
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Datacenter: "dc1",
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Entry: &structs.ServiceConfigEntry{
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Kind: structs.ServiceDefaults,
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Name: fmt.Sprintf(dataPrefix+"%d", i),
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},
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}, &out, nil)
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},
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)
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}
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testutil.RunStep(t, "test the errNotFound path", func(t *testing.T) {
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run(t, "other")
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})
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{ // create one relevant entry
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var out bool
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require.NoError(t, msgpackrpc.CallWithCodec(codec, "ConfigEntry.Apply", &structs.ConfigEntryRequest{
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Entry: &structs.ServiceConfigEntry{
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Kind: structs.ServiceDefaults,
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Name: "web",
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Protocol: "grpc",
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},
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}, &out))
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require.True(t, out)
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}
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testutil.RunStep(t, "test the errNotChanged path", func(t *testing.T) {
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run(t, "completely-different-other")
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})
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}
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