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health_check.go
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health_check.go
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package fastly
import (
"fmt"
"sort"
)
// HealthCheck represents a health check response from the Fastly API.
type HealthCheck struct {
ServiceID string `mapstructure:"service_id"`
Version int `mapstructure:"version"`
Name string `mapstructure:"name"`
Method string `mapstructure:"method"`
Host string `mapstructure:"host"`
Path string `mapstructure:"path"`
HTTPVersion string `mapstructure:"http_version"`
Timeout uint `mapstructure:"timeout"`
CheckInterval uint `mapstructure:"check_interval"`
ExpectedResponse uint `mapstructure:"expected_response"`
Window uint `mapstructure:"window"`
Threshold uint `mapstructure:"threshold"`
Initial uint `mapstructure:"initial"`
}
// healthChecksByName is a sortable list of health checks.
type healthChecksByName []*HealthCheck
// Len, Swap, and Less implement the sortable interface.
func (s healthChecksByName) Len() int { return len(s) }
func (s healthChecksByName) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
func (s healthChecksByName) Less(i, j int) bool {
return s[i].Name < s[j].Name
}
// ListHealthChecksInput is used as input to the ListHealthChecks function.
type ListHealthChecksInput struct {
// Service is the ID of the service (required).
Service string
// Version is the specific configuration version (required).
Version int
}
// ListHealthChecks returns the list of health checks for the configuration
// version.
func (c *Client) ListHealthChecks(i *ListHealthChecksInput) ([]*HealthCheck, error) {
if i.Service == "" {
return nil, ErrMissingService
}
if i.Version == 0 {
return nil, ErrMissingVersion
}
path := fmt.Sprintf("/service/%s/version/%d/healthcheck", i.Service, i.Version)
resp, err := c.Get(path, nil)
if err != nil {
return nil, err
}
var hcs []*HealthCheck
if err := decodeJSON(&hcs, resp.Body); err != nil {
return nil, err
}
sort.Stable(healthChecksByName(hcs))
return hcs, nil
}
// CreateHealthCheckInput is used as input to the CreateHealthCheck function.
type CreateHealthCheckInput struct {
// Service is the ID of the service. Version is the specific configuration
// version. Both fields are required.
Service string
Version int
Name string `form:"name,omitempty"`
Method string `form:"method,omitempty"`
Host string `form:"host,omitempty"`
Path string `form:"path,omitempty"`
HTTPVersion string `form:"http_version,omitempty"`
Timeout uint `form:"timeout,omitempty"`
CheckInterval uint `form:"check_interval,omitempty"`
ExpectedResponse uint `form:"expected_response,omitempty"`
Window uint `form:"window,omitempty"`
Threshold uint `form:"threshold,omitempty"`
Initial uint `form:"initial,omitempty"`
}
// CreateHealthCheck creates a new Fastly health check.
func (c *Client) CreateHealthCheck(i *CreateHealthCheckInput) (*HealthCheck, error) {
if i.Service == "" {
return nil, ErrMissingService
}
if i.Version == 0 {
return nil, ErrMissingVersion
}
path := fmt.Sprintf("/service/%s/version/%d/healthcheck", i.Service, i.Version)
resp, err := c.PostForm(path, i, nil)
if err != nil {
return nil, err
}
var h *HealthCheck
if err := decodeJSON(&h, resp.Body); err != nil {
return nil, err
}
return h, nil
}
// GetHealthCheckInput is used as input to the GetHealthCheck function.
type GetHealthCheckInput struct {
// Service is the ID of the service. Version is the specific configuration
// version. Both fields are required.
Service string
Version int
// Name is the name of the health check to fetch.
Name string
}
// GetHealthCheck gets the health check configuration with the given parameters.
func (c *Client) GetHealthCheck(i *GetHealthCheckInput) (*HealthCheck, error) {
if i.Service == "" {
return nil, ErrMissingService
}
if i.Version == 0 {
return nil, ErrMissingVersion
}
if i.Name == "" {
return nil, ErrMissingName
}
path := fmt.Sprintf("/service/%s/version/%d/healthcheck/%s", i.Service, i.Version, i.Name)
resp, err := c.Get(path, nil)
if err != nil {
return nil, err
}
var h *HealthCheck
if err := decodeJSON(&h, resp.Body); err != nil {
return nil, err
}
return h, nil
}
// UpdateHealthCheckInput is used as input to the UpdateHealthCheck function.
type UpdateHealthCheckInput struct {
// Service is the ID of the service. Version is the specific configuration
// version. Both fields are required.
Service string
Version int
// Name is the name of the health check to update.
Name string
NewName string `form:"name,omitempty"`
Method string `form:"method,omitempty"`
Host string `form:"host,omitempty"`
Path string `form:"path,omitempty"`
HTTPVersion string `form:"http_version,omitempty"`
Timeout uint `form:"timeout,omitempty"`
CheckInterval uint `form:"check_interval,omitempty"`
ExpectedResponse uint `form:"expected_response,omitempty"`
Window uint `form:"window,omitempty"`
Threshold uint `form:"threshold,omitempty"`
Initial uint `form:"initial,omitempty"`
}
// UpdateHealthCheck updates a specific health check.
func (c *Client) UpdateHealthCheck(i *UpdateHealthCheckInput) (*HealthCheck, error) {
if i.Service == "" {
return nil, ErrMissingService
}
if i.Version == 0 {
return nil, ErrMissingVersion
}
if i.Name == "" {
return nil, ErrMissingName
}
path := fmt.Sprintf("/service/%s/version/%d/healthcheck/%s", i.Service, i.Version, i.Name)
resp, err := c.PutForm(path, i, nil)
if err != nil {
return nil, err
}
var h *HealthCheck
if err := decodeJSON(&h, resp.Body); err != nil {
return nil, err
}
return h, nil
}
// DeleteHealthCheckInput is the input parameter to DeleteHealthCheck.
type DeleteHealthCheckInput struct {
// Service is the ID of the service. Version is the specific configuration
// version. Both fields are required.
Service string
Version int
// Name is the name of the health check to delete (required).
Name string
}
// DeleteHealthCheck deletes the given health check.
func (c *Client) DeleteHealthCheck(i *DeleteHealthCheckInput) error {
if i.Service == "" {
return ErrMissingService
}
if i.Version == 0 {
return ErrMissingVersion
}
if i.Name == "" {
return ErrMissingName
}
path := fmt.Sprintf("/service/%s/version/%d/healthcheck/%s", i.Service, i.Version, i.Name)
resp, err := c.Delete(path, nil)
if err != nil {
return err
}
var r *statusResp
if err := decodeJSON(&r, resp.Body); err != nil {
return err
}
if !r.Ok() {
return fmt.Errorf("Not Ok")
}
return nil
}