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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.
package api
import (
"encoding/json"
"fmt"
"net/url"
"strings"
)
// CheckDetails is an arbitrary json structure, we would only care about submission_url
type CheckDetails struct {
SubmissionURL string `json:"submission_url"`
}
// Check definition
type Check struct {
Cid string `json:"_cid"`
Active bool `json:"_active"`
BrokerCid string `json:"_broker"`
CheckBundleCid string `json:"_check_bundle"`
CheckUUID string `json:"_check_uuid"`
Details CheckDetails `json:"_details"`
}
// FetchCheckByID fetch a check configuration by id
func (a *API) FetchCheckByID(id IDType) (*Check, error) {
cid := CIDType(fmt.Sprintf("/check/%d", int(id)))
return a.FetchCheckByCID(cid)
}
// FetchCheckByCID fetch a check configuration by cid
func (a *API) FetchCheckByCID(cid CIDType) (*Check, error) {
result, err := a.Get(string(cid))
if err != nil {
return nil, err
}
check := new(Check)
json.Unmarshal(result, check)
return check, nil
}
// FetchCheckBySubmissionURL fetch a check configuration by submission_url
func (a *API) FetchCheckBySubmissionURL(submissionURL URLType) (*Check, error) {
u, err := url.Parse(string(submissionURL))
if err != nil {
return nil, err
}
// valid trap url: scheme://host[:port]/module/httptrap/UUID/secret
// does it smell like a valid trap url path
if u.Path[:17] != "/module/httptrap/" {
return nil, fmt.Errorf("[ERROR] Invalid submission URL '%s', unrecognized path", submissionURL)
}
// extract uuid/secret
pathParts := strings.Split(u.Path[17:len(u.Path)], "/")
if len(pathParts) != 2 {
return nil, fmt.Errorf("[ERROR] Invalid submission URL '%s', UUID not where expected", submissionURL)
}
uuid := pathParts[0]
query := SearchQueryType(fmt.Sprintf("f__check_uuid=%s", uuid))
checks, err := a.CheckSearch(query)
if err != nil {
return nil, err
}
if len(checks) == 0 {
return nil, fmt.Errorf("[ERROR] No checks found with UUID %s", uuid)
}
numActive := 0
checkID := -1
for idx, check := range checks {
if check.Active {
numActive++
checkID = idx
}
}
if numActive > 1 {
return nil, fmt.Errorf("[ERROR] Multiple checks with same UUID %s", uuid)
}
return &checks[checkID], nil
}
// CheckSearch returns a list of checks matching a query/filter
func (a *API) CheckSearch(query SearchQueryType) ([]Check, error) {
queryURL := fmt.Sprintf("/check?%s", string(query))
result, err := a.Get(queryURL)
if err != nil {
return nil, err
}
var checks []Check
json.Unmarshal(result, &checks)
return checks, nil
}
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