mirror of
https://github.com/letic/terraform-provider-google.git
synced 2024-09-06 17:16:44 +00:00
92 lines
2.4 KiB
Go
92 lines
2.4 KiB
Go
package google
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import (
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"fmt"
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"strings"
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)
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// If the given name is a URL, return it.
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// If it is of the form project/name, search the specified project first, then
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// search image families in the specified project.
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// If it is of the form name then look in the configured project, then hosted
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// image projects, and lastly at image families in hosted image projects.
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func resolveImage(c *Config, name string) (string, error) {
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if strings.HasPrefix(name, "https://www.googleapis.com/compute/v1/") {
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return name, nil
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} else {
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splitName := strings.Split(name, "/")
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if len(splitName) == 1 {
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// Must infer the project name:
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// First, try the configured project.
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image, err := c.clientCompute.Images.Get(c.Project, name).Do()
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if err == nil {
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return image.SelfLink, nil
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}
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// If we match a lookup for an alternate project, then try that next.
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// If not, we return the original error.
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// If the image name contains the left hand side, we use the project from
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// the right hand side.
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imageMap := map[string]string{
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"centos": "centos-cloud",
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"coreos": "coreos-cloud",
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"debian": "debian-cloud",
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"opensuse": "opensuse-cloud",
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"rhel": "rhel-cloud",
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"sles": "suse-cloud",
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"ubuntu": "ubuntu-os-cloud",
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"windows": "windows-cloud",
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}
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var project string
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for k, v := range imageMap {
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if strings.Contains(name, k) {
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project = v
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break
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}
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}
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if project == "" {
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return "", err
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}
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// There was a match, but the image still may not exist, so check it:
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image, err = c.clientCompute.Images.Get(project, name).Do()
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if err == nil {
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return image.SelfLink, nil
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}
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// If it doesn't exist, try to see if it works as an image family:
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image, err = c.clientCompute.Images.GetFromFamily(project, name).Do()
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if err == nil {
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return image.SelfLink, nil
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}
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return "", err
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} else if len(splitName) == 2 {
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// Check if image exists in the specified project:
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image, err := c.clientCompute.Images.Get(splitName[0], splitName[1]).Do()
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if err == nil {
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return image.SelfLink, nil
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}
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// If it doesn't, check if it exists as an image family:
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image, err = c.clientCompute.Images.GetFromFamily(splitName[0], splitName[1]).Do()
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if err == nil {
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return image.SelfLink, nil
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}
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return "", err
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} else {
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return "", fmt.Errorf("Invalid image name, require URL, project/name, or just name: %s", name)
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}
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}
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}
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