104 lines
2.5 KiB
Go
104 lines
2.5 KiB
Go
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package remote
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import (
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"bytes"
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"context"
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"crypto/md5"
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"encoding/base64"
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"fmt"
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tfe "github.com/hashicorp/go-tfe"
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"github.com/hashicorp/terraform/state/remote"
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"github.com/hashicorp/terraform/terraform"
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)
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type remoteClient struct {
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client *tfe.Client
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organization string
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workspace string
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}
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// Get the remote state.
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func (r *remoteClient) Get() (*remote.Payload, error) {
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ctx := context.Background()
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// Retrieve the workspace for which to create a new state.
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w, err := r.client.Workspaces.Read(ctx, r.organization, r.workspace)
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if err != nil {
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if err == tfe.ErrResourceNotFound {
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// If no state exists, then return nil.
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return nil, nil
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}
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return nil, fmt.Errorf("Error retrieving workspace: %v", err)
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}
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sv, err := r.client.StateVersions.Current(ctx, w.ID)
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if err != nil {
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if err == tfe.ErrResourceNotFound {
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// If no state exists, then return nil.
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return nil, nil
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}
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return nil, fmt.Errorf("Error retrieving remote state: %v", err)
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}
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state, err := r.client.StateVersions.Download(ctx, sv.DownloadURL)
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if err != nil {
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return nil, fmt.Errorf("Error downloading remote state: %v", err)
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}
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// If the state is empty, then return nil.
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if len(state) == 0 {
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return nil, nil
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}
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// Get the MD5 checksum of the state.
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sum := md5.Sum(state)
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return &remote.Payload{
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Data: state,
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MD5: sum[:],
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}, nil
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}
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// Put the remote state.
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func (r *remoteClient) Put(state []byte) error {
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ctx := context.Background()
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// Retrieve the workspace for which to create a new state.
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w, err := r.client.Workspaces.Read(ctx, r.organization, r.workspace)
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if err != nil {
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return fmt.Errorf("Error retrieving workspace: %v", err)
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}
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// the state into a buffer.
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tfState, err := terraform.ReadState(bytes.NewReader(state))
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if err != nil {
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return fmt.Errorf("Error reading state: %s", err)
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}
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options := tfe.StateVersionCreateOptions{
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Lineage: tfe.String(tfState.Lineage),
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Serial: tfe.Int64(tfState.Serial),
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MD5: tfe.String(fmt.Sprintf("%x", md5.Sum(state))),
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State: tfe.String(base64.StdEncoding.EncodeToString(state)),
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}
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// Create the new state.
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_, err = r.client.StateVersions.Create(ctx, w.ID, options)
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if err != nil {
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return fmt.Errorf("Error creating remote state: %v", err)
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}
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return nil
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}
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// Delete the remote state.
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func (r *remoteClient) Delete() error {
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err := r.client.Workspaces.Delete(context.Background(), r.organization, r.workspace)
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if err != nil && err != tfe.ErrResourceNotFound {
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return fmt.Errorf("Error deleting workspace %s: %v", r.workspace, err)
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}
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return nil
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}
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