335 lines
8.2 KiB
Go
335 lines
8.2 KiB
Go
package api
|
|
|
|
import (
|
|
"fmt"
|
|
)
|
|
|
|
// AgentCheck represents a check known to the agent
|
|
type AgentCheck struct {
|
|
Node string
|
|
CheckID string
|
|
Name string
|
|
Status string
|
|
Notes string
|
|
Output string
|
|
ServiceID string
|
|
ServiceName string
|
|
}
|
|
|
|
// AgentService represents a service known to the agent
|
|
type AgentService struct {
|
|
ID string
|
|
Service string
|
|
Tags []string
|
|
Port int
|
|
Address string
|
|
}
|
|
|
|
// AgentMember represents a cluster member known to the agent
|
|
type AgentMember struct {
|
|
Name string
|
|
Addr string
|
|
Port uint16
|
|
Tags map[string]string
|
|
Status int
|
|
ProtocolMin uint8
|
|
ProtocolMax uint8
|
|
ProtocolCur uint8
|
|
DelegateMin uint8
|
|
DelegateMax uint8
|
|
DelegateCur uint8
|
|
}
|
|
|
|
// AgentServiceRegistration is used to register a new service
|
|
type AgentServiceRegistration struct {
|
|
ID string `json:",omitempty"`
|
|
Name string `json:",omitempty"`
|
|
Tags []string `json:",omitempty"`
|
|
Port int `json:",omitempty"`
|
|
Address string `json:",omitempty"`
|
|
Check *AgentServiceCheck
|
|
Checks AgentServiceChecks
|
|
}
|
|
|
|
// AgentCheckRegistration is used to register a new check
|
|
type AgentCheckRegistration struct {
|
|
ID string `json:",omitempty"`
|
|
Name string `json:",omitempty"`
|
|
Notes string `json:",omitempty"`
|
|
ServiceID string `json:",omitempty"`
|
|
AgentServiceCheck
|
|
}
|
|
|
|
// AgentServiceCheck is used to create an associated
|
|
// check for a service
|
|
type AgentServiceCheck struct {
|
|
Script string `json:",omitempty"`
|
|
Interval string `json:",omitempty"`
|
|
Timeout string `json:",omitempty"`
|
|
TTL string `json:",omitempty"`
|
|
HTTP string `json:",omitempty"`
|
|
Status string `json:",omitempty"`
|
|
}
|
|
type AgentServiceChecks []*AgentServiceCheck
|
|
|
|
// Agent can be used to query the Agent endpoints
|
|
type Agent struct {
|
|
c *Client
|
|
|
|
// cache the node name
|
|
nodeName string
|
|
}
|
|
|
|
// Agent returns a handle to the agent endpoints
|
|
func (c *Client) Agent() *Agent {
|
|
return &Agent{c: c}
|
|
}
|
|
|
|
// Self is used to query the agent we are speaking to for
|
|
// information about itself
|
|
func (a *Agent) Self() (map[string]map[string]interface{}, error) {
|
|
r := a.c.newRequest("GET", "/v1/agent/self")
|
|
_, resp, err := requireOK(a.c.doRequest(r))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
var out map[string]map[string]interface{}
|
|
if err := decodeBody(resp, &out); err != nil {
|
|
return nil, err
|
|
}
|
|
return out, nil
|
|
}
|
|
|
|
// NodeName is used to get the node name of the agent
|
|
func (a *Agent) NodeName() (string, error) {
|
|
if a.nodeName != "" {
|
|
return a.nodeName, nil
|
|
}
|
|
info, err := a.Self()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
name := info["Config"]["NodeName"].(string)
|
|
a.nodeName = name
|
|
return name, nil
|
|
}
|
|
|
|
// Checks returns the locally registered checks
|
|
func (a *Agent) Checks() (map[string]*AgentCheck, error) {
|
|
r := a.c.newRequest("GET", "/v1/agent/checks")
|
|
_, resp, err := requireOK(a.c.doRequest(r))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
var out map[string]*AgentCheck
|
|
if err := decodeBody(resp, &out); err != nil {
|
|
return nil, err
|
|
}
|
|
return out, nil
|
|
}
|
|
|
|
// Services returns the locally registered services
|
|
func (a *Agent) Services() (map[string]*AgentService, error) {
|
|
r := a.c.newRequest("GET", "/v1/agent/services")
|
|
_, resp, err := requireOK(a.c.doRequest(r))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
var out map[string]*AgentService
|
|
if err := decodeBody(resp, &out); err != nil {
|
|
return nil, err
|
|
}
|
|
return out, nil
|
|
}
|
|
|
|
// Members returns the known gossip members. The WAN
|
|
// flag can be used to query a server for WAN members.
|
|
func (a *Agent) Members(wan bool) ([]*AgentMember, error) {
|
|
r := a.c.newRequest("GET", "/v1/agent/members")
|
|
if wan {
|
|
r.params.Set("wan", "1")
|
|
}
|
|
_, resp, err := requireOK(a.c.doRequest(r))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
var out []*AgentMember
|
|
if err := decodeBody(resp, &out); err != nil {
|
|
return nil, err
|
|
}
|
|
return out, nil
|
|
}
|
|
|
|
// ServiceRegister is used to register a new service with
|
|
// the local agent
|
|
func (a *Agent) ServiceRegister(service *AgentServiceRegistration) error {
|
|
r := a.c.newRequest("PUT", "/v1/agent/service/register")
|
|
r.obj = service
|
|
_, resp, err := requireOK(a.c.doRequest(r))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
resp.Body.Close()
|
|
return nil
|
|
}
|
|
|
|
// ServiceDeregister is used to deregister a service with
|
|
// the local agent
|
|
func (a *Agent) ServiceDeregister(serviceID string) error {
|
|
r := a.c.newRequest("PUT", "/v1/agent/service/deregister/"+serviceID)
|
|
_, resp, err := requireOK(a.c.doRequest(r))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
resp.Body.Close()
|
|
return nil
|
|
}
|
|
|
|
// PassTTL is used to set a TTL check to the passing state
|
|
func (a *Agent) PassTTL(checkID, note string) error {
|
|
return a.UpdateTTL(checkID, note, "pass")
|
|
}
|
|
|
|
// WarnTTL is used to set a TTL check to the warning state
|
|
func (a *Agent) WarnTTL(checkID, note string) error {
|
|
return a.UpdateTTL(checkID, note, "warn")
|
|
}
|
|
|
|
// FailTTL is used to set a TTL check to the failing state
|
|
func (a *Agent) FailTTL(checkID, note string) error {
|
|
return a.UpdateTTL(checkID, note, "fail")
|
|
}
|
|
|
|
// UpdateTTL is used to update the TTL of a check
|
|
func (a *Agent) UpdateTTL(checkID, note, status string) error {
|
|
switch status {
|
|
case "pass":
|
|
case "warn":
|
|
case "fail":
|
|
default:
|
|
return fmt.Errorf("Invalid status: %s", status)
|
|
}
|
|
endpoint := fmt.Sprintf("/v1/agent/check/%s/%s", status, checkID)
|
|
r := a.c.newRequest("PUT", endpoint)
|
|
r.params.Set("note", note)
|
|
_, resp, err := requireOK(a.c.doRequest(r))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
resp.Body.Close()
|
|
return nil
|
|
}
|
|
|
|
// CheckRegister is used to register a new check with
|
|
// the local agent
|
|
func (a *Agent) CheckRegister(check *AgentCheckRegistration) error {
|
|
r := a.c.newRequest("PUT", "/v1/agent/check/register")
|
|
r.obj = check
|
|
_, resp, err := requireOK(a.c.doRequest(r))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
resp.Body.Close()
|
|
return nil
|
|
}
|
|
|
|
// CheckDeregister is used to deregister a check with
|
|
// the local agent
|
|
func (a *Agent) CheckDeregister(checkID string) error {
|
|
r := a.c.newRequest("PUT", "/v1/agent/check/deregister/"+checkID)
|
|
_, resp, err := requireOK(a.c.doRequest(r))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
resp.Body.Close()
|
|
return nil
|
|
}
|
|
|
|
// Join is used to instruct the agent to attempt a join to
|
|
// another cluster member
|
|
func (a *Agent) Join(addr string, wan bool) error {
|
|
r := a.c.newRequest("PUT", "/v1/agent/join/"+addr)
|
|
if wan {
|
|
r.params.Set("wan", "1")
|
|
}
|
|
_, resp, err := requireOK(a.c.doRequest(r))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
resp.Body.Close()
|
|
return nil
|
|
}
|
|
|
|
// ForceLeave is used to have the agent eject a failed node
|
|
func (a *Agent) ForceLeave(node string) error {
|
|
r := a.c.newRequest("PUT", "/v1/agent/force-leave/"+node)
|
|
_, resp, err := requireOK(a.c.doRequest(r))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
resp.Body.Close()
|
|
return nil
|
|
}
|
|
|
|
// EnableServiceMaintenance toggles service maintenance mode on
|
|
// for the given service ID.
|
|
func (a *Agent) EnableServiceMaintenance(serviceID, reason string) error {
|
|
r := a.c.newRequest("PUT", "/v1/agent/service/maintenance/"+serviceID)
|
|
r.params.Set("enable", "true")
|
|
r.params.Set("reason", reason)
|
|
_, resp, err := requireOK(a.c.doRequest(r))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
resp.Body.Close()
|
|
return nil
|
|
}
|
|
|
|
// DisableServiceMaintenance toggles service maintenance mode off
|
|
// for the given service ID.
|
|
func (a *Agent) DisableServiceMaintenance(serviceID string) error {
|
|
r := a.c.newRequest("PUT", "/v1/agent/service/maintenance/"+serviceID)
|
|
r.params.Set("enable", "false")
|
|
_, resp, err := requireOK(a.c.doRequest(r))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
resp.Body.Close()
|
|
return nil
|
|
}
|
|
|
|
// EnableNodeMaintenance toggles node maintenance mode on for the
|
|
// agent we are connected to.
|
|
func (a *Agent) EnableNodeMaintenance(reason string) error {
|
|
r := a.c.newRequest("PUT", "/v1/agent/maintenance")
|
|
r.params.Set("enable", "true")
|
|
r.params.Set("reason", reason)
|
|
_, resp, err := requireOK(a.c.doRequest(r))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
resp.Body.Close()
|
|
return nil
|
|
}
|
|
|
|
// DisableNodeMaintenance toggles node maintenance mode off for the
|
|
// agent we are connected to.
|
|
func (a *Agent) DisableNodeMaintenance() error {
|
|
r := a.c.newRequest("PUT", "/v1/agent/maintenance")
|
|
r.params.Set("enable", "false")
|
|
_, resp, err := requireOK(a.c.doRequest(r))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
resp.Body.Close()
|
|
return nil
|
|
}
|