mirror of
https://github.com/letic/terraform-provider-google.git
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![Riley Karson](/assets/img/avatar_default.png)
* Add a compute datasource. * Add provider changes. * Add self_link support to google_compute_instance datasource. * Error check complex d.Set calls.
145 lines
3.8 KiB
Go
145 lines
3.8 KiB
Go
package google
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import (
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"errors"
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"fmt"
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"net/url"
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"regexp"
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"strings"
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"github.com/hashicorp/terraform/helper/hashcode"
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"github.com/hashicorp/terraform/helper/schema"
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)
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// Compare only the relative path of two self links.
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func compareSelfLinkRelativePaths(_, old, new string, _ *schema.ResourceData) bool {
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oldStripped, err := getRelativePath(old)
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if err != nil {
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return false
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}
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newStripped, err := getRelativePath(new)
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if err != nil {
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return false
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}
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if oldStripped == newStripped {
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return true
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}
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return false
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}
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// compareSelfLinkOrResourceName checks if two resources are the same resource
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//
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// Use this method when the field accepts either a name or a self_link referencing a resource.
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// The value we store (i.e. `old` in this method), must be a self_link.
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func compareSelfLinkOrResourceName(_, old, new string, _ *schema.ResourceData) bool {
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newParts := strings.Split(new, "/")
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if len(newParts) == 1 {
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// `new` is a name
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// `old` is always a self_link
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if GetResourceNameFromSelfLink(old) == newParts[0] {
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return true
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}
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}
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// The `new` string is a self_link
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return compareSelfLinkRelativePaths("", old, new, nil)
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}
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// Hash the relative path of a self link.
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func selfLinkRelativePathHash(selfLink interface{}) int {
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path, _ := getRelativePath(selfLink.(string))
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return hashcode.String(path)
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}
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func getRelativePath(selfLink string) (string, error) {
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stringParts := strings.SplitAfterN(selfLink, "projects/", 2)
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if len(stringParts) != 2 {
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return "", fmt.Errorf("String was not a self link: %s", selfLink)
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}
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return "projects/" + stringParts[1], nil
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}
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// Hash the name path of a self link.
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func selfLinkNameHash(selfLink interface{}) int {
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name := GetResourceNameFromSelfLink(selfLink.(string))
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return hashcode.String(name)
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}
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func ConvertSelfLinkToV1(link string) string {
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reg := regexp.MustCompile("/compute/[a-zA-Z0-9]*/projects/")
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return reg.ReplaceAllString(link, "/compute/v1/projects/")
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}
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func GetResourceNameFromSelfLink(link string) string {
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parts := strings.Split(link, "/")
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return parts[len(parts)-1]
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}
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func NameFromSelfLinkStateFunc(v interface{}) string {
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return GetResourceNameFromSelfLink(v.(string))
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}
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func StoreResourceName(resourceLink interface{}) string {
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return GetResourceNameFromSelfLink(resourceLink.(string))
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}
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type LocationType int
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const (
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Zonal LocationType = iota
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Regional
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Global
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)
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func GetZonalResourcePropertiesFromSelfLinkOrSchema(d *schema.ResourceData, config *Config) (string, string, string, error) {
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return getResourcePropertiesFromSelfLinkOrSchema(d, config, Zonal)
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}
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func GetRegionalResourcePropertiesFromSelfLinkOrSchema(d *schema.ResourceData, config *Config) (string, string, string, error) {
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return getResourcePropertiesFromSelfLinkOrSchema(d, config, Regional)
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}
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func getResourcePropertiesFromSelfLinkOrSchema(d *schema.ResourceData, config *Config, locationType LocationType) (string, string, string, error) {
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if selfLink, ok := d.GetOk("self_link"); ok {
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parsed, err := url.Parse(selfLink.(string))
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if err != nil {
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return "", "", "", err
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}
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s := strings.Split(parsed.Path, "/")
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// https://www.googleapis.com/compute/beta/projects/project_name/regions/region_name/instanceGroups/foobarbaz
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// => project_name, region_name, foobarbaz
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return s[4], s[6], s[8], nil
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} else {
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project, err := getProject(d, config)
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if err != nil {
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return "", "", "", err
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}
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location := ""
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if locationType == Regional {
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location, err = getRegion(d, config)
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if err != nil {
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return "", "", "", err
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}
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} else if locationType == Zonal {
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location, err = getZone(d, config)
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if err != nil {
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return "", "", "", err
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}
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}
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n, ok := d.GetOk("name")
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name := n.(string)
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if !ok {
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return "", "", "", errors.New("must provide either `self_link` or `name`")
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}
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return project, location, name, nil
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}
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}
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