open-consul/vendor/github.com/circonus-labs/circonus-gometrics/api/maintenance.go

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// Copyright 2016 Circonus, Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Maintenance window API support - Fetch, Create, Update, Delete, and Search
// See: https://login.circonus.com/resources/api/calls/maintenance
package api
import (
"encoding/json"
"fmt"
"net/url"
"regexp"
"github.com/circonus-labs/circonus-gometrics/api/config"
)
// Maintenance defines a maintenance window. See https://login.circonus.com/resources/api/calls/maintenance for more information.
type Maintenance struct {
CID string `json:"_cid,omitempty"` // string
Item string `json:"item,omitempty"` // string
Notes string `json:"notes,omitempty"` // string
Severities interface{} `json:"severities,omitempty"` // []string NOTE can be set with CSV string or []string
Start uint `json:"start,omitempty"` // uint
Stop uint `json:"stop,omitempty"` // uint
Tags []string `json:"tags,omitempty"` // [] len >= 0
Type string `json:"type,omitempty"` // string
}
// NewMaintenanceWindow returns a new Maintenance window (with defaults, if applicable)
func NewMaintenanceWindow() *Maintenance {
return &Maintenance{}
}
// FetchMaintenanceWindow retrieves maintenance [window] with passed cid.
func (a *API) FetchMaintenanceWindow(cid CIDType) (*Maintenance, error) {
if cid == nil || *cid == "" {
return nil, fmt.Errorf("Invalid maintenance window CID [none]")
}
maintenanceCID := string(*cid)
matched, err := regexp.MatchString(config.MaintenanceCIDRegex, maintenanceCID)
if err != nil {
return nil, err
}
if !matched {
return nil, fmt.Errorf("Invalid maintenance window CID [%s]", maintenanceCID)
}
result, err := a.Get(maintenanceCID)
if err != nil {
return nil, err
}
if a.Debug {
a.Log.Printf("[DEBUG] fetch maintenance window, received JSON: %s", string(result))
}
window := &Maintenance{}
if err := json.Unmarshal(result, window); err != nil {
return nil, err
}
return window, nil
}
// FetchMaintenanceWindows retrieves all maintenance [windows] available to API Token.
func (a *API) FetchMaintenanceWindows() (*[]Maintenance, error) {
result, err := a.Get(config.MaintenancePrefix)
if err != nil {
return nil, err
}
var windows []Maintenance
if err := json.Unmarshal(result, &windows); err != nil {
return nil, err
}
return &windows, nil
}
// UpdateMaintenanceWindow updates passed maintenance [window].
func (a *API) UpdateMaintenanceWindow(cfg *Maintenance) (*Maintenance, error) {
if cfg == nil {
return nil, fmt.Errorf("Invalid maintenance window config [nil]")
}
maintenanceCID := string(cfg.CID)
matched, err := regexp.MatchString(config.MaintenanceCIDRegex, maintenanceCID)
if err != nil {
return nil, err
}
if !matched {
return nil, fmt.Errorf("Invalid maintenance window CID [%s]", maintenanceCID)
}
jsonCfg, err := json.Marshal(cfg)
if err != nil {
return nil, err
}
if a.Debug {
a.Log.Printf("[DEBUG] update maintenance window, sending JSON: %s", string(jsonCfg))
}
result, err := a.Put(maintenanceCID, jsonCfg)
if err != nil {
return nil, err
}
window := &Maintenance{}
if err := json.Unmarshal(result, window); err != nil {
return nil, err
}
return window, nil
}
// CreateMaintenanceWindow creates a new maintenance [window].
func (a *API) CreateMaintenanceWindow(cfg *Maintenance) (*Maintenance, error) {
if cfg == nil {
return nil, fmt.Errorf("Invalid maintenance window config [nil]")
}
jsonCfg, err := json.Marshal(cfg)
if err != nil {
return nil, err
}
if a.Debug {
a.Log.Printf("[DEBUG] create maintenance window, sending JSON: %s", string(jsonCfg))
}
result, err := a.Post(config.MaintenancePrefix, jsonCfg)
if err != nil {
return nil, err
}
window := &Maintenance{}
if err := json.Unmarshal(result, window); err != nil {
return nil, err
}
return window, nil
}
// DeleteMaintenanceWindow deletes passed maintenance [window].
func (a *API) DeleteMaintenanceWindow(cfg *Maintenance) (bool, error) {
if cfg == nil {
return false, fmt.Errorf("Invalid maintenance window config [nil]")
}
return a.DeleteMaintenanceWindowByCID(CIDType(&cfg.CID))
}
// DeleteMaintenanceWindowByCID deletes maintenance [window] with passed cid.
func (a *API) DeleteMaintenanceWindowByCID(cid CIDType) (bool, error) {
if cid == nil || *cid == "" {
return false, fmt.Errorf("Invalid maintenance window CID [none]")
}
maintenanceCID := string(*cid)
matched, err := regexp.MatchString(config.MaintenanceCIDRegex, maintenanceCID)
if err != nil {
return false, err
}
if !matched {
return false, fmt.Errorf("Invalid maintenance window CID [%s]", maintenanceCID)
}
_, err = a.Delete(maintenanceCID)
if err != nil {
return false, err
}
return true, nil
}
// SearchMaintenanceWindows returns maintenance [windows] matching
// the specified search query and/or filter. If nil is passed for
// both parameters all maintenance [windows] will be returned.
func (a *API) SearchMaintenanceWindows(searchCriteria *SearchQueryType, filterCriteria *SearchFilterType) (*[]Maintenance, error) {
q := url.Values{}
if searchCriteria != nil && *searchCriteria != "" {
q.Set("search", string(*searchCriteria))
}
if filterCriteria != nil && len(*filterCriteria) > 0 {
for filter, criteria := range *filterCriteria {
for _, val := range criteria {
q.Add(filter, val)
}
}
}
if q.Encode() == "" {
return a.FetchMaintenanceWindows()
}
reqURL := url.URL{
Path: config.MaintenancePrefix,
RawQuery: q.Encode(),
}
result, err := a.Get(reqURL.String())
if err != nil {
return nil, fmt.Errorf("[ERROR] API call error %+v", err)
}
var windows []Maintenance
if err := json.Unmarshal(result, &windows); err != nil {
return nil, err
}
return &windows, nil
}