mirror of https://github.com/status-im/consul.git
Implementing the health methods with tests
This commit is contained in:
Armon Dadgar
parent
c6c0f34fe8
commit
2b79c125f2
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@ -388,7 +388,6 @@ func parseServiceNodes(tx *MDBTxn, table *MDBTable, res []interface{}, err error
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if err != nil {
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panic(fmt.Errorf("Failed to get node services: %v", err))
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}
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println(fmt.Sprintf("res: %#v", res))
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nodes := make(structs.ServiceNodes, len(res))
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for i, r := range res {
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@ -408,8 +407,47 @@ func parseServiceNodes(tx *MDBTxn, table *MDBTable, res []interface{}, err error
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}
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// EnsureCheck is used to create a check or updates it's state
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func (s *StateStore) EnsureCheck() error {
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return nil
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func (s *StateStore) EnsureCheck(check *structs.HealthCheck) error {
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// Ensure we have a status
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if check.Status == "" {
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check.Status = structs.HealthUnknown
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}
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// Start the txn
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tx, err := s.tables.StartTxn(false)
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if err != nil {
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panic(fmt.Errorf("Failed to start txn: %v", err))
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}
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defer tx.Abort()
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// Ensure the node exists
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res, err := s.nodeTable.GetTxn(tx, "id", check.Node)
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if err != nil {
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return err
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}
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if len(res) == 0 {
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return fmt.Errorf("Missing node registration")
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}
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// Ensure the service exists if specified
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if check.ServiceID != "" {
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res, err = s.serviceTable.GetTxn(tx, "id", check.Node, check.ServiceID)
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if err != nil {
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return err
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}
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if len(res) == 0 {
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return fmt.Errorf("Missing service registration")
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}
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// Ensure we set the correct service
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srv := res[0].(*structs.ServiceNode)
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check.ServiceName = srv.ServiceName
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}
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// Ensure the check is set
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if err := s.checkTable.InsertTxn(tx, check); err != nil {
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return err
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}
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return tx.Commit()
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}
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// DeleteNodeCheck is used to delete a node health check
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@ -419,18 +457,31 @@ func (s *StateStore) DeleteNodeCheck(node, id string) error {
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}
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// NodeChecks is used to get all the checks for a node
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func (s *StateStore) NodeChecks(name string) structs.HealthChecks {
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return nil
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func (s *StateStore) NodeChecks(node string) structs.HealthChecks {
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return parseHealthChecks(s.checkTable.Get("id", node))
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}
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// ServiceChecks is used to get all the checks for a service
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func (s *StateStore) ServiceChecks(name string) structs.HealthChecks {
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return nil
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func (s *StateStore) ServiceChecks(service string) structs.HealthChecks {
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return parseHealthChecks(s.checkTable.Get("service", service))
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}
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// CheckInState is used to get all the checks for a service in a given state
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func (s *StateStore) ChecksInState(name string) structs.HealthChecks {
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return nil
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func (s *StateStore) ChecksInState(state string) structs.HealthChecks {
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return parseHealthChecks(s.checkTable.Get("status", state))
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}
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// parseHealthChecks is used to handle the resutls of a Get against
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// the checkTable
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func parseHealthChecks(res []interface{}, err error) structs.HealthChecks {
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if err != nil {
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panic(fmt.Errorf("Failed to get checks: %v", err))
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}
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results := make([]*structs.HealthCheck, len(res))
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for i, r := range res {
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results[i] = r.(*structs.HealthCheck)
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}
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return results
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}
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// Snapshot is used to create a point in time snapshot
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@ -2,6 +2,7 @@ package consul
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import (
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"github.com/hashicorp/consul/consul/structs"
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"reflect"
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"sort"
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"testing"
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)
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@ -163,6 +164,17 @@ func TestDeleteNodeService(t *testing.T) {
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t.Fatalf("err: %v", err)
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}
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check := &structs.HealthCheck{
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Node: "foo",
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CheckID: "api",
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Name: "Can connect",
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Status: structs.HealthPassing,
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ServiceID: "api",
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}
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if err := store.EnsureCheck(check); err != nil {
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t.Fatalf("err: %v")
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}
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if err := store.DeleteNodeService("foo", "api"); err != nil {
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t.Fatalf("err: %v", err)
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}
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@ -172,6 +184,11 @@ func TestDeleteNodeService(t *testing.T) {
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if ok {
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t.Fatalf("has api: %#v", services)
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}
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checks := store.NodeChecks("foo")
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if len(checks) != 0 {
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t.Fatalf("has check: %#v", checks)
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}
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}
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func TestDeleteNodeService_One(t *testing.T) {
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@ -223,8 +240,19 @@ func TestDeleteNode(t *testing.T) {
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t.Fatalf("err: %v")
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}
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check := &structs.HealthCheck{
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Node: "foo",
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CheckID: "db",
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Name: "Can connect",
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Status: structs.HealthPassing,
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ServiceID: "api",
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}
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if err := store.EnsureCheck(check); err != nil {
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t.Fatalf("err: %v", err)
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}
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if err := store.DeleteNode("foo"); err != nil {
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t.Fatalf("err: %v")
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t.Fatalf("err: %v", err)
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}
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services := store.NodeServices("foo")
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@ -233,6 +261,11 @@ func TestDeleteNode(t *testing.T) {
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t.Fatalf("has api: %#v", services)
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}
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checks := store.NodeChecks("foo")
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if len(checks) > 0 {
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t.Fatalf("has checks: %v", checks)
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}
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found, _ := store.GetNode("foo")
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if found {
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t.Fatalf("found node")
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@ -504,3 +537,120 @@ func TestStoreSnapshot(t *testing.T) {
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t.Fatalf("bad: %v", services)
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}
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}
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func TestEnsureCheck(t *testing.T) {
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store, err := NewStateStore()
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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 store.Close()
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if err := store.EnsureNode(structs.Node{"foo", "127.0.0.1"}); err != nil {
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t.Fatalf("err: %v", err)
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}
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if err := store.EnsureService("foo", "db1", "db", "master", 8000); err != nil {
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t.Fatalf("err: %v")
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}
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check := &structs.HealthCheck{
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Node: "foo",
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CheckID: "db",
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Name: "Can connect",
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Status: structs.HealthPassing,
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ServiceID: "db1",
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}
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if err := store.EnsureCheck(check); err != nil {
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t.Fatalf("err: %v")
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}
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check2 := &structs.HealthCheck{
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Node: "foo",
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CheckID: "memory",
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Name: "memory utilization",
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Status: structs.HealthWarning,
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}
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if err := store.EnsureCheck(check2); err != nil {
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t.Fatalf("err: %v")
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}
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checks := store.NodeChecks("foo")
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if len(checks) != 2 {
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t.Fatalf("bad: %v", checks)
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}
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if !reflect.DeepEqual(checks[0], check) {
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t.Fatalf("bad: %v", checks[0])
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}
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if !reflect.DeepEqual(checks[1], check2) {
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t.Fatalf("bad: %v", checks[1])
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}
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checks = store.ServiceChecks("db")
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if len(checks) != 1 {
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t.Fatalf("bad: %v", checks)
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}
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if !reflect.DeepEqual(checks[0], check) {
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t.Fatalf("bad: %v", checks[0])
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}
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checks = store.ChecksInState(structs.HealthPassing)
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if len(checks) != 1 {
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t.Fatalf("bad: %v", checks)
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}
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if !reflect.DeepEqual(checks[0], check) {
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t.Fatalf("bad: %v", checks[0])
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}
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checks = store.ChecksInState(structs.HealthWarning)
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if len(checks) != 1 {
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t.Fatalf("bad: %v", checks)
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}
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if !reflect.DeepEqual(checks[0], check2) {
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t.Fatalf("bad: %v", checks[0])
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}
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}
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func TestDeleteNodeCheck(t *testing.T) {
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store, err := NewStateStore()
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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 store.Close()
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if err := store.EnsureNode(structs.Node{"foo", "127.0.0.1"}); err != nil {
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t.Fatalf("err: %v", err)
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}
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if err := store.EnsureService("foo", "db1", "db", "master", 8000); err != nil {
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t.Fatalf("err: %v")
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}
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check := &structs.HealthCheck{
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Node: "foo",
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CheckID: "db",
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Name: "Can connect",
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Status: structs.HealthPassing,
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ServiceID: "db1",
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}
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if err := store.EnsureCheck(check); err != nil {
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t.Fatalf("err: %v")
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}
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check2 := &structs.HealthCheck{
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Node: "foo",
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CheckID: "memory",
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Name: "memory utilization",
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Status: structs.HealthWarning,
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}
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if err := store.EnsureCheck(check2); err != nil {
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t.Fatalf("err: %v")
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}
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if err := store.DeleteNodeCheck("foo", "db"); err != nil {
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t.Fatalf("err: %v", err)
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}
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checks := store.NodeChecks("foo")
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if len(checks) != 1 {
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t.Fatalf("bad: %v", checks)
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}
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if !reflect.DeepEqual(checks[0], check2) {
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t.Fatalf("bad: %v", checks[0])
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}
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}
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