open-consul/agent/structs/check_definition.go

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package structs
import (
"time"
"github.com/hashicorp/consul/api"
"github.com/hashicorp/consul/lib"
"github.com/hashicorp/consul/types"
)
// CheckDefinition is used to JSON decode the Check definitions
type CheckDefinition struct {
ID types.CheckID
Name string
Notes string
ServiceID string
Token string
Status string
// Copied fields from CheckType without the fields
// already present in CheckDefinition:
//
// ID (CheckID), Name, Status, Notes
//
ScriptArgs []string
HTTP string
H2PING string
Header map[string][]string
Method string
Body string
TCP string
Interval time.Duration
DockerContainerID string
Shell string
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GRPC string
GRPCUseTLS bool
TLSServerName string
TLSSkipVerify bool
AliasNode string
AliasService string
Timeout time.Duration
TTL time.Duration
SuccessBeforePassing int
FailuresBeforeWarning int
FailuresBeforeCritical int
DeregisterCriticalServiceAfter time.Duration
OutputMaxSize int
EnterpriseMeta `hcl:",squash" mapstructure:",squash"`
}
func (t *CheckDefinition) UnmarshalJSON(data []byte) (err error) {
type Alias CheckDefinition
aux := &struct {
// Parse special values
Interval interface{}
Timeout interface{}
TTL interface{}
DeregisterCriticalServiceAfter interface{}
// Translate fields
// "args" -> ScriptArgs
Args []string `json:"args"`
ScriptArgsSnake []string `json:"script_args"`
DeregisterCriticalServiceAfterSnake interface{} `json:"deregister_critical_service_after"`
DockerContainerIDSnake string `json:"docker_container_id"`
TLSServerNameSnake string `json:"tls_server_name"`
TLSSkipVerifySnake bool `json:"tls_skip_verify"`
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GRPCUseTLSSnake bool `json:"grpc_use_tls"`
ServiceIDSnake string `json:"service_id"`
*Alias
}{
Alias: (*Alias)(t),
}
if err = lib.UnmarshalJSON(data, &aux); err != nil {
return err
}
// Translate Fields
if aux.DeregisterCriticalServiceAfter == nil {
aux.DeregisterCriticalServiceAfter = aux.DeregisterCriticalServiceAfterSnake
}
if len(t.ScriptArgs) == 0 {
t.ScriptArgs = aux.Args
}
if len(t.ScriptArgs) == 0 {
t.ScriptArgs = aux.ScriptArgsSnake
}
if t.DockerContainerID == "" {
t.DockerContainerID = aux.DockerContainerIDSnake
}
if t.TLSServerName == "" {
t.TLSServerName = aux.TLSServerNameSnake
}
if aux.TLSSkipVerifySnake {
t.TLSSkipVerify = aux.TLSSkipVerifySnake
}
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if aux.GRPCUseTLSSnake {
t.GRPCUseTLS = aux.GRPCUseTLSSnake
}
if t.ServiceID == "" {
t.ServiceID = aux.ServiceIDSnake
}
// Parse special values
if aux.Interval != nil {
switch v := aux.Interval.(type) {
case string:
if t.Interval, err = time.ParseDuration(v); err != nil {
return err
}
case float64:
t.Interval = time.Duration(v)
}
}
if aux.Timeout != nil {
switch v := aux.Timeout.(type) {
case string:
if t.Timeout, err = time.ParseDuration(v); err != nil {
return err
}
case float64:
t.Timeout = time.Duration(v)
}
}
if aux.TTL != nil {
switch v := aux.TTL.(type) {
case string:
if t.TTL, err = time.ParseDuration(v); err != nil {
return err
}
case float64:
t.TTL = time.Duration(v)
}
}
if aux.DeregisterCriticalServiceAfter != nil {
switch v := aux.DeregisterCriticalServiceAfter.(type) {
case string:
if t.DeregisterCriticalServiceAfter, err = time.ParseDuration(v); err != nil {
return err
}
case float64:
t.DeregisterCriticalServiceAfter = time.Duration(v)
}
}
return nil
}
func (c *CheckDefinition) HealthCheck(node string) *HealthCheck {
health := &HealthCheck{
Node: node,
CheckID: c.ID,
Name: c.Name,
Status: api.HealthCritical,
Notes: c.Notes,
ServiceID: c.ServiceID,
Interval: c.Interval.String(),
Timeout: c.Timeout.String(),
EnterpriseMeta: c.EnterpriseMeta,
}
if c.Status != "" {
health.Status = c.Status
}
if health.CheckID == "" && health.Name != "" {
health.CheckID = types.CheckID(health.Name)
}
return health
}
func (c *CheckDefinition) CheckType() *CheckType {
return &CheckType{
CheckID: c.ID,
Name: c.Name,
Status: c.Status,
Notes: c.Notes,
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ScriptArgs: c.ScriptArgs,
AliasNode: c.AliasNode,
AliasService: c.AliasService,
HTTP: c.HTTP,
H2PING: c.H2PING,
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GRPC: c.GRPC,
GRPCUseTLS: c.GRPCUseTLS,
Header: c.Header,
Method: c.Method,
Body: c.Body,
OutputMaxSize: c.OutputMaxSize,
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TCP: c.TCP,
Interval: c.Interval,
DockerContainerID: c.DockerContainerID,
Shell: c.Shell,
TLSServerName: c.TLSServerName,
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TLSSkipVerify: c.TLSSkipVerify,
Timeout: c.Timeout,
TTL: c.TTL,
SuccessBeforePassing: c.SuccessBeforePassing,
FailuresBeforeWarning: c.FailuresBeforeWarning,
FailuresBeforeCritical: c.FailuresBeforeCritical,
DeregisterCriticalServiceAfter: c.DeregisterCriticalServiceAfter,
}
}