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

120 lines
3.0 KiB
Go

// 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.
// Check API support - Fetch and Search
// See: https://login.circonus.com/resources/api/calls/check
// Notes: checks do not directly support create, update, and delete - see check bundle.
package api
import (
"encoding/json"
"fmt"
"net/url"
"regexp"
"github.com/circonus-labs/circonus-gometrics/api/config"
)
// CheckDetails contains [undocumented] check type specific information
type CheckDetails map[config.Key]string
// Check defines a check. See https://login.circonus.com/resources/api/calls/check for more information.
type Check struct {
Active bool `json:"_active"` // bool
BrokerCID string `json:"_broker"` // string
CheckBundleCID string `json:"_check_bundle"` // string
CheckUUID string `json:"_check_uuid"` // string
CID string `json:"_cid"` // string
Details CheckDetails `json:"_details"` // NOTE contents of details are check type specific, map len >= 0
}
// FetchCheck retrieves check with passed cid.
func (a *API) FetchCheck(cid CIDType) (*Check, error) {
if cid == nil || *cid == "" {
return nil, fmt.Errorf("Invalid check CID [none]")
}
checkCID := string(*cid)
matched, err := regexp.MatchString(config.CheckCIDRegex, checkCID)
if err != nil {
return nil, err
}
if !matched {
return nil, fmt.Errorf("Invalid check CID [%s]", checkCID)
}
result, err := a.Get(checkCID)
if err != nil {
return nil, err
}
if a.Debug {
a.Log.Printf("[DEBUG] fetch check, received JSON: %s", string(result))
}
check := new(Check)
if err := json.Unmarshal(result, check); err != nil {
return nil, err
}
return check, nil
}
// FetchChecks retrieves all checks available to the API Token.
func (a *API) FetchChecks() (*[]Check, error) {
result, err := a.Get(config.CheckPrefix)
if err != nil {
return nil, err
}
var checks []Check
if err := json.Unmarshal(result, &checks); err != nil {
return nil, err
}
return &checks, nil
}
// SearchChecks returns checks matching the specified search query
// and/or filter. If nil is passed for both parameters all checks
// will be returned.
func (a *API) SearchChecks(searchCriteria *SearchQueryType, filterCriteria *SearchFilterType) (*[]Check, 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.FetchChecks()
}
reqURL := url.URL{
Path: config.CheckPrefix,
RawQuery: q.Encode(),
}
result, err := a.Get(reqURL.String())
if err != nil {
return nil, err
}
var checks []Check
if err := json.Unmarshal(result, &checks); err != nil {
return nil, err
}
return &checks, nil
}