92 lines
2.2 KiB
Go
92 lines
2.2 KiB
Go
package terraform
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import (
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"log"
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"time"
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"github.com/hashicorp/terraform/helper/schema"
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"github.com/hashicorp/terraform/state/remote"
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)
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func dataSourceRemoteState() *schema.Resource {
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return &schema.Resource{
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Read: dataSourceRemoteStateRead,
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Schema: map[string]*schema.Schema{
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"backend": {
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Type: schema.TypeString,
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Required: true,
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ValidateFunc: func(v interface{}, k string) (ws []string, errors []error) {
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if vStr, ok := v.(string); ok && vStr == "_local" {
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ws = append(ws, "Use of the %q backend is now officially "+
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"supported as %q. Please update your configuration to ensure "+
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"compatibility with future versions of Terraform.",
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"_local", "local")
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}
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return
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},
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},
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"config": {
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Type: schema.TypeMap,
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Optional: true,
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},
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"__has_dynamic_attributes": {
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Type: schema.TypeString,
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Optional: true,
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},
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},
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}
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}
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func dataSourceRemoteStateRead(d *schema.ResourceData, meta interface{}) error {
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backend := d.Get("backend").(string)
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config := make(map[string]string)
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for k, v := range d.Get("config").(map[string]interface{}) {
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config[k] = v.(string)
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}
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// Don't break people using the old _local syntax - but note warning above
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if backend == "_local" {
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log.Println(`[INFO] Switching old (unsupported) backend "_local" to "local"`)
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backend = "local"
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}
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// Create the client to access our remote state
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log.Printf("[DEBUG] Initializing remote state client: %s", backend)
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client, err := remote.NewClient(backend, config)
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if err != nil {
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return err
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}
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// Create the remote state itself and refresh it in order to load the state
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log.Printf("[DEBUG] Loading remote state...")
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state := &remote.State{Client: client}
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if err := state.RefreshState(); err != nil {
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return err
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}
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d.SetId(time.Now().UTC().String())
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outputMap := make(map[string]interface{})
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remoteState := state.State()
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if remoteState.Empty() {
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log.Println("[DEBUG] empty remote state")
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return nil
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}
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for key, val := range remoteState.RootModule().Outputs {
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outputMap[key] = val.Value
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}
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mappedOutputs := remoteStateFlatten(outputMap)
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for key, val := range mappedOutputs {
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d.UnsafeSetFieldRaw(key, val)
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}
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return nil
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}
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