313 lines
7.7 KiB
Go
313 lines
7.7 KiB
Go
package api
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import (
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"strings"
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"testing"
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"time"
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"github.com/hashicorp/consul/sdk/testutil/retry"
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"github.com/hashicorp/go-uuid"
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"github.com/stretchr/testify/require"
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)
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func TestAPI_ClientTxn(t *testing.T) {
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t.Parallel()
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c, s := makeClient(t)
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defer s.Stop()
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s.WaitForSerfCheck(t)
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session := c.Session()
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txn := c.Txn()
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// Set up a test service and health check.
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nodeID, err := uuid.GenerateUUID()
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require.NoError(t, err)
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catalog := c.Catalog()
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reg := &CatalogRegistration{
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ID: nodeID,
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Node: "foo",
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Address: "2.2.2.2",
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Service: &AgentService{
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ID: "foo1",
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Service: "foo",
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},
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Checks: HealthChecks{
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{
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CheckID: "bar",
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Status: "critical",
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Definition: HealthCheckDefinition{
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TCP: "1.1.1.1",
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IntervalDuration: 5 * time.Second,
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TimeoutDuration: 10 * time.Second,
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DeregisterCriticalServiceAfterDuration: 20 * time.Second,
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},
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},
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{
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CheckID: "baz",
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Status: "passing",
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Definition: HealthCheckDefinition{
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TCP: "2.2.2.2",
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Interval: ReadableDuration(40 * time.Second),
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Timeout: ReadableDuration(80 * time.Second),
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DeregisterCriticalServiceAfter: ReadableDuration(160 * time.Second),
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},
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},
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},
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}
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_, err = catalog.Register(reg, nil)
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require.NoError(t, err)
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node, _, err := catalog.Node("foo", nil)
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require.NoError(t, err)
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require.Equal(t, nodeID, node.Node.ID)
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// Make a session.
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id, _, err := session.CreateNoChecks(nil, nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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defer session.Destroy(id, nil)
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// Acquire and get the key via a transaction, but don't supply a valid
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// session.
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key := testKey()
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value := []byte("test")
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ops := TxnOps{
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&TxnOp{
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KV: &KVTxnOp{
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Verb: KVLock,
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Key: key,
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Value: value,
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},
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},
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&TxnOp{
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KV: &KVTxnOp{
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Verb: KVGet,
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Key: key,
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},
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},
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&TxnOp{
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Node: &NodeTxnOp{
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Verb: NodeGet,
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Node: Node{Node: "foo"},
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},
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},
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&TxnOp{
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Service: &ServiceTxnOp{
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Verb: ServiceGet,
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Node: "foo",
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Service: AgentService{ID: "foo1"},
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},
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},
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&TxnOp{
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Check: &CheckTxnOp{
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Verb: CheckGet,
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Check: HealthCheck{Node: "foo", CheckID: "bar"},
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},
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},
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&TxnOp{
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Check: &CheckTxnOp{
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Verb: CheckGet,
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Check: HealthCheck{Node: "foo", CheckID: "baz"},
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},
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},
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}
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ok, ret, _, err := txn.Txn(ops, nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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} else if ok {
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t.Fatalf("transaction should have failed")
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}
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if ret == nil || len(ret.Errors) != 2 || len(ret.Results) != 0 {
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t.Fatalf("bad: %v", ret.Errors[2])
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}
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if ret.Errors[0].OpIndex != 0 ||
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!strings.Contains(ret.Errors[0].What, "missing session") ||
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!strings.Contains(ret.Errors[1].What, "doesn't exist") {
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t.Fatalf("bad: %v", ret.Errors[0])
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}
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// Now poke in a real session and try again.
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ops[0].KV.Session = id
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ok, ret, _, err = txn.Txn(ops, nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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} else if !ok {
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t.Fatalf("transaction failure")
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}
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if ret == nil || len(ret.Errors) != 0 || len(ret.Results) != 6 {
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t.Fatalf("bad: %v", ret)
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}
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expected := TxnResults{
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&TxnResult{
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KV: &KVPair{
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Key: key,
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Session: id,
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LockIndex: 1,
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CreateIndex: ret.Results[0].KV.CreateIndex,
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ModifyIndex: ret.Results[0].KV.ModifyIndex,
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Namespace: ret.Results[0].KV.Namespace,
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Partition: defaultPartition,
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},
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},
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&TxnResult{
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KV: &KVPair{
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Key: key,
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Session: id,
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Value: []byte("test"),
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LockIndex: 1,
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CreateIndex: ret.Results[1].KV.CreateIndex,
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ModifyIndex: ret.Results[1].KV.ModifyIndex,
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Namespace: ret.Results[0].KV.Namespace,
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Partition: defaultPartition,
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},
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},
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&TxnResult{
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Node: &Node{
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ID: nodeID,
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Node: "foo",
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Partition: defaultPartition,
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Address: "2.2.2.2",
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Datacenter: "dc1",
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CreateIndex: ret.Results[2].Node.CreateIndex,
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ModifyIndex: ret.Results[2].Node.CreateIndex,
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},
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},
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&TxnResult{
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Service: &CatalogService{
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ID: "foo1",
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CreateIndex: ret.Results[3].Service.CreateIndex,
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ModifyIndex: ret.Results[3].Service.CreateIndex,
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Partition: defaultPartition,
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Namespace: defaultNamespace,
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},
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},
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&TxnResult{
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Check: &HealthCheck{
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Node: "foo",
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CheckID: "bar",
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Status: "critical",
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Definition: HealthCheckDefinition{
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TCP: "1.1.1.1",
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Interval: ReadableDuration(5 * time.Second),
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IntervalDuration: 5 * time.Second,
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Timeout: ReadableDuration(10 * time.Second),
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TimeoutDuration: 10 * time.Second,
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DeregisterCriticalServiceAfter: ReadableDuration(20 * time.Second),
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DeregisterCriticalServiceAfterDuration: 20 * time.Second,
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},
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Type: "tcp",
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Partition: defaultPartition,
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Namespace: defaultNamespace,
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CreateIndex: ret.Results[4].Check.CreateIndex,
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ModifyIndex: ret.Results[4].Check.CreateIndex,
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},
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},
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&TxnResult{
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Check: &HealthCheck{
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Node: "foo",
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CheckID: "baz",
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Status: "passing",
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Definition: HealthCheckDefinition{
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TCP: "2.2.2.2",
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Interval: ReadableDuration(40 * time.Second),
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IntervalDuration: 40 * time.Second,
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Timeout: ReadableDuration(80 * time.Second),
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TimeoutDuration: 80 * time.Second,
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DeregisterCriticalServiceAfter: ReadableDuration(160 * time.Second),
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DeregisterCriticalServiceAfterDuration: 160 * time.Second,
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},
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Type: "tcp",
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Partition: defaultPartition,
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Namespace: defaultNamespace,
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CreateIndex: ret.Results[4].Check.CreateIndex,
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ModifyIndex: ret.Results[4].Check.CreateIndex,
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},
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},
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}
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require.Equal(t, expected, ret.Results)
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retry.Run(t, func(r *retry.R) {
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// Run a read-only transaction.
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ops = TxnOps{
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&TxnOp{
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KV: &KVTxnOp{
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Verb: KVGet,
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Key: key,
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},
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},
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&TxnOp{
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Node: &NodeTxnOp{
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Verb: NodeGet,
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Node: Node{ID: s.Config.NodeID, Node: s.Config.NodeName},
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},
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},
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}
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ok, ret, _, err = txn.Txn(ops, nil)
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if err != nil {
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r.Fatalf("err: %v", err)
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} else if !ok {
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r.Fatalf("transaction failure")
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}
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expected = TxnResults{
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&TxnResult{
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KV: &KVPair{
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Key: key,
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Session: id,
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Value: []byte("test"),
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LockIndex: 1,
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CreateIndex: ret.Results[0].KV.CreateIndex,
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ModifyIndex: ret.Results[0].KV.ModifyIndex,
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Namespace: ret.Results[0].KV.Namespace,
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Partition: defaultPartition,
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},
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},
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&TxnResult{
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Node: &Node{
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ID: s.Config.NodeID,
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Node: s.Config.NodeName,
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Partition: defaultPartition,
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Address: "127.0.0.1",
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Datacenter: "dc1",
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TaggedAddresses: map[string]string{
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"lan": s.Config.Bind,
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"lan_ipv4": s.Config.Bind,
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"wan": s.Config.Bind,
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"wan_ipv4": s.Config.Bind,
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},
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Meta: map[string]string{"consul-network-segment": ""},
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CreateIndex: ret.Results[1].Node.CreateIndex,
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ModifyIndex: ret.Results[1].Node.ModifyIndex,
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},
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},
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}
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require.Equal(r, expected, ret.Results)
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})
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// Sanity check using the regular GET API.
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kv := c.KV()
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pair, meta, err := kv.Get(key, nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if pair == nil {
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t.Fatalf("expected value: %#v", pair)
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}
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if pair.LockIndex != 1 {
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t.Fatalf("Expected lock: %v", pair)
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}
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if pair.Session != id {
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t.Fatalf("Expected lock: %v", pair)
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}
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if meta.LastIndex == 0 {
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t.Fatalf("unexpected value: %#v", meta)
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}
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}
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