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Re-add ReadableDuration types to health check definition 

This is to fix the backwards-incompatible change made in 1.4.1 by
changing these fields to time.Duration.
This commit is contained in:
Kyle Havlovitz 2019-01-24 17:28:52 -08:00
parent 552e150536
commit 1a4978fb94
No known key found for this signature in database
GPG Key ID: 8A5E6B173056AD6C
5 changed files with 126 additions and 27 deletions
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3
agent/agent_test.go
View File

@ -2003,6 +2003,9 @@ func TestAgent_PurgeCheckOnDuplicate(t *testing.T) {
Name: "memory check",
Status: api.HealthCritical,
Notes: "my cool notes",
Definition: structs.HealthCheckDefinition{
Interval: 30 * time.Second,
},
}
if got, want := result, expected; !verify.Values(t, "", got, want) {
t.FailNow()

35
agent/http.go
View File

@ -9,6 +9,7 @@ import (
"net/http/pprof"
"net/url"
"os"
"reflect"
"regexp"
"strconv"
"strings"
@ -20,6 +21,7 @@ import (
"github.com/hashicorp/consul/agent/cache"
"github.com/hashicorp/consul/agent/consul"
"github.com/hashicorp/consul/agent/structs"
"github.com/hashicorp/consul/api"
cleanhttp "github.com/hashicorp/go-cleanhttp"
"github.com/mitchellh/mapstructure"
"github.com/pkg/errors"
@ -510,8 +512,11 @@ func decodeBody(req *http.Request, out interface{}, cb func(interface{}) error)
}
decodeConf := &mapstructure.DecoderConfig{
DecodeHook: mapstructure.StringToTimeDurationHookFunc(),
Result: &out,
DecodeHook: mapstructure.ComposeDecodeHookFunc(
mapstructure.StringToTimeDurationHookFunc(),
stringToReadableDurationFunc(),
),
Result: &out,
}
decoder, err := mapstructure.NewDecoder(decodeConf)
@ -522,6 +527,32 @@ func decodeBody(req *http.Request, out interface{}, cb func(interface{}) error)
return decoder.Decode(raw)
}
// stringToReadableDurationFunc is a mapstructure hook for decoding a string
// into an api.ReadableDuration for backwards compatibility.
func stringToReadableDurationFunc() mapstructure.DecodeHookFunc {
return func(
f reflect.Type,
t reflect.Type,
data interface{}) (interface{}, error) {
var v api.ReadableDuration
if t != reflect.TypeOf(v) {
return data, nil
}
switch {
case f.Kind() == reflect.String:
if dur, err := time.ParseDuration(data.(string)); err != nil {
return nil, err
} else {
v = api.ReadableDuration(dur)
}
return v, nil
default:
return data, nil
}
}
}
// setTranslateAddr is used to set the address translation header. This is only
// present if the feature is active.
func setTranslateAddr(resp http.ResponseWriter, active bool) {

6
agent/txn_endpoint.go
View File

@ -239,9 +239,9 @@ func (s *HTTPServer) convertOps(resp http.ResponseWriter, req *http.Request) (st
Header: check.Definition.Header,
Method: check.Definition.Method,
TCP: check.Definition.TCP,
Interval: check.Definition.Interval,
Timeout: check.Definition.Timeout,
DeregisterCriticalServiceAfter: check.Definition.DeregisterCriticalServiceAfter,
Interval: check.Definition.IntervalDuration,
Timeout: check.Definition.TimeoutDuration,
DeregisterCriticalServiceAfter: check.Definition.DeregisterCriticalServiceAfterDuration,
},
RaftIndex: structs.RaftIndex{
ModifyIndex: check.ModifyIndex,

48
api/health.go
View File

@ -46,19 +46,24 @@ type HealthCheck struct {
// HealthCheckDefinition is used to store the details about
// a health check's execution.
type HealthCheckDefinition struct {
HTTP string
Header map[string][]string
Method string
TLSSkipVerify bool
TCP string
Interval time.Duration
Timeout time.Duration
DeregisterCriticalServiceAfter time.Duration
HTTP string
Header map[string][]string
Method string
TLSSkipVerify bool
TCP string
IntervalDuration time.Duration `json:"-"`
TimeoutDuration time.Duration `json:"-"`
DeregisterCriticalServiceAfterDuration time.Duration `json:"-"`
// DEPRECATED in Consul 1.4.1. Use the above time.Duration fields instead.
Interval ReadableDuration
Timeout ReadableDuration
DeregisterCriticalServiceAfter ReadableDuration
}
func (d *HealthCheckDefinition) MarshalJSON() ([]byte, error) {
type Alias HealthCheckDefinition
return json.Marshal(&struct {
out := &struct {
Interval string
Timeout string
DeregisterCriticalServiceAfter string
@ -68,7 +73,19 @@ func (d *HealthCheckDefinition) MarshalJSON() ([]byte, error) {
Timeout: d.Timeout.String(),
DeregisterCriticalServiceAfter: d.DeregisterCriticalServiceAfter.String(),
Alias: (*Alias)(d),
})
}
if d.IntervalDuration != 0 {
out.Interval = d.IntervalDuration.String()
}
if d.TimeoutDuration != 0 {
out.Timeout = d.TimeoutDuration.String()
}
if d.DeregisterCriticalServiceAfterDuration != 0 {
out.DeregisterCriticalServiceAfter = d.DeregisterCriticalServiceAfterDuration.String()
}
return json.Marshal(out)
}
func (d *HealthCheckDefinition) UnmarshalJSON(data []byte) error {
@ -84,21 +101,26 @@ func (d *HealthCheckDefinition) UnmarshalJSON(data []byte) error {
if err := json.Unmarshal(data, &aux); err != nil {
return err
}
// Parse the values into both the time.Duration and old ReadableDuration fields.
var err error
if aux.Interval != "" {
if d.Interval, err = time.ParseDuration(aux.Interval); err != nil {
if d.IntervalDuration, err = time.ParseDuration(aux.Interval); err != nil {
return err
}
d.Interval = ReadableDuration(d.IntervalDuration)
}
if aux.Timeout != "" {
if d.Timeout, err = time.ParseDuration(aux.Timeout); err != nil {
if d.TimeoutDuration, err = time.ParseDuration(aux.Timeout); err != nil {
return err
}
d.Timeout = ReadableDuration(d.TimeoutDuration)
}
if aux.DeregisterCriticalServiceAfter != "" {
if d.DeregisterCriticalServiceAfter, err = time.ParseDuration(aux.DeregisterCriticalServiceAfter); err != nil {
if d.DeregisterCriticalServiceAfterDuration, err = time.ParseDuration(aux.DeregisterCriticalServiceAfter); err != nil {
return err
}
d.DeregisterCriticalServiceAfter = ReadableDuration(d.DeregisterCriticalServiceAfterDuration)
}
return nil
}

61
api/txn_test.go
View File

@ -33,12 +33,26 @@ func TestAPI_ClientTxn(t *testing.T) {
ID: "foo1",
Service: "foo",
},
Check: &AgentCheck{
CheckID: "bar",
Status: "critical",
Definition: HealthCheckDefinition{
TCP: "1.1.1.1",
Interval: 5 * time.Second,
Checks: HealthChecks{
{
CheckID: "bar",
Status: "critical",
Definition: HealthCheckDefinition{
TCP: "1.1.1.1",
IntervalDuration: 5 * time.Second,
TimeoutDuration: 10 * time.Second,
DeregisterCriticalServiceAfterDuration: 20 * time.Second,
},
},
{
CheckID: "baz",
Status: "passing",
Definition: HealthCheckDefinition{
TCP: "2.2.2.2",
Interval: ReadableDuration(40 * time.Second),
Timeout: ReadableDuration(80 * time.Second),
DeregisterCriticalServiceAfter: ReadableDuration(160 * time.Second),
},
},
},
}
@ -93,6 +107,12 @@ func TestAPI_ClientTxn(t *testing.T) {
Check: HealthCheck{Node: "foo", CheckID: "bar"},
},
},
&TxnOp{
Check: &CheckTxnOp{
Verb: CheckGet,
Check: HealthCheck{Node: "foo", CheckID: "baz"},
},
},
}
ok, ret, _, err := txn.Txn(ops, nil)
if err != nil {
@ -119,7 +139,7 @@ func TestAPI_ClientTxn(t *testing.T) {
t.Fatalf("transaction failure")
}
if ret == nil || len(ret.Errors) != 0 || len(ret.Results) != 5 {
if ret == nil || len(ret.Errors) != 0 || len(ret.Results) != 6 {
t.Fatalf("bad: %v", ret)
}
expected := TxnResults{
@ -165,8 +185,31 @@ func TestAPI_ClientTxn(t *testing.T) {
CheckID: "bar",
Status: "critical",
Definition: HealthCheckDefinition{
TCP: "1.1.1.1",
Interval: 5 * time.Second,
TCP: "1.1.1.1",
Interval: ReadableDuration(5 * time.Second),
IntervalDuration: 5 * time.Second,
Timeout: ReadableDuration(10 * time.Second),
TimeoutDuration: 10 * time.Second,
DeregisterCriticalServiceAfter: ReadableDuration(20 * time.Second),
DeregisterCriticalServiceAfterDuration: 20 * time.Second,
},
CreateIndex: ret.Results[4].Check.CreateIndex,
ModifyIndex: ret.Results[4].Check.CreateIndex,
},
},
&TxnResult{
Check: &HealthCheck{
Node: "foo",
CheckID: "baz",
Status: "passing",
Definition: HealthCheckDefinition{
TCP: "2.2.2.2",
Interval: ReadableDuration(40 * time.Second),
IntervalDuration: 40 * time.Second,
Timeout: ReadableDuration(80 * time.Second),
TimeoutDuration: 80 * time.Second,
DeregisterCriticalServiceAfter: ReadableDuration(160 * time.Second),
DeregisterCriticalServiceAfterDuration: 160 * time.Second,
},
CreateIndex: ret.Results[4].Check.CreateIndex,
ModifyIndex: ret.Results[4].Check.CreateIndex,