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transport.go
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transport.go
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package google
import (
"bytes"
"encoding/json"
"net/http"
"net/url"
"reflect"
"regexp"
"strings"
"google.golang.org/api/googleapi"
)
func isEmptyValue(v reflect.Value) bool {
switch v.Kind() {
case reflect.Array, reflect.Map, reflect.Slice, reflect.String:
return v.Len() == 0
case reflect.Bool:
return !v.Bool()
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return v.Int() == 0
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return v.Uint() == 0
case reflect.Float32, reflect.Float64:
return v.Float() == 0
case reflect.Interface, reflect.Ptr:
return v.IsNil()
}
return false
}
func sendRequest(config *Config, method, rawurl string, body map[string]interface{}) (map[string]interface{}, error) {
reqHeaders := make(http.Header)
reqHeaders.Set("User-Agent", config.userAgent)
reqHeaders.Set("Content-Type", "application/json")
var buf bytes.Buffer
if body != nil {
err := json.NewEncoder(&buf).Encode(body)
if err != nil {
return nil, err
}
}
u, err := addQueryParams(rawurl, map[string]string{"alt": "json"})
if err != nil {
return nil, err
}
req, err := http.NewRequest(method, u, &buf)
if err != nil {
return nil, err
}
req.Header = reqHeaders
res, err := config.client.Do(req)
if err != nil {
return nil, err
}
defer googleapi.CloseBody(res)
if err := googleapi.CheckResponse(res); err != nil {
return nil, err
}
result := make(map[string]interface{})
if err := json.NewDecoder(res.Body).Decode(&result); err != nil {
return nil, err
}
return result, nil
}
func addQueryParams(rawurl string, params map[string]string) (string, error) {
u, err := url.Parse(rawurl)
if err != nil {
return "", err
}
q := u.Query()
for k, v := range params {
q.Set(k, v)
}
u.RawQuery = q.Encode()
return u.String(), nil
}
func replaceVars(d TerraformResourceData, config *Config, linkTmpl string) (string, error) {
re := regexp.MustCompile("{{([[:word:]]+)}}")
var project, region, zone string
var err error
if strings.Contains(linkTmpl, "{{project}}") {
project, err = getProject(d, config)
if err != nil {
return "", err
}
}
if strings.Contains(linkTmpl, "{{region}}") {
region, err = getRegion(d, config)
if err != nil {
return "", err
}
}
if strings.Contains(linkTmpl, "{{zone}}") {
zone, err = getZone(d, config)
if err != nil {
return "", err
}
}
replaceFunc := func(s string) string {
m := re.FindStringSubmatch(s)[1]
if m == "project" {
return project
}
if m == "region" {
return region
}
if m == "zone" {
return zone
}
v, ok := d.GetOk(m)
if ok {
return v.(string)
}
return ""
}
return re.ReplaceAllStringFunc(linkTmpl, replaceFunc), nil
}