71 lines
1.9 KiB
Go
71 lines
1.9 KiB
Go
// Package remotestate implements a Backend for remote state implementations
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// from the state/remote package that also implement a backend schema for
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// configuration.
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package remotestate
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import (
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"context"
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"github.com/hashicorp/terraform/backend"
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"github.com/hashicorp/terraform/helper/schema"
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"github.com/hashicorp/terraform/state"
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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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// Backend implements backend.Backend for remote state backends.
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//
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// All exported fields should be set. This struct should only be used
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// by implementers of backends, not by consumers. If you're consuming, please
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// use a higher level package such as Consul backends.
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type Backend struct {
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// Backend should be set to the configuration schema. ConfigureFunc
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// should not be set on the schema.
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*schema.Backend
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// ConfigureFunc takes the ctx from a schema.Backend and returns a
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// fully configured remote client to use for state operations.
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ConfigureFunc func(ctx context.Context) (remote.Client, error)
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client remote.Client
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}
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func (b *Backend) Configure(rc *terraform.ResourceConfig) error {
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// Set our configureFunc manually
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b.Backend.ConfigureFunc = func(ctx context.Context) error {
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c, err := b.ConfigureFunc(ctx)
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if err != nil {
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return err
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}
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// Set the client for later
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b.client = c
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return nil
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}
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// Run the normal configuration
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return b.Backend.Configure(rc)
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}
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func (b *Backend) States() ([]string, error) {
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return nil, backend.ErrNamedStatesNotSupported
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}
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func (b *Backend) DeleteState(name string) error {
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return backend.ErrNamedStatesNotSupported
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}
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func (b *Backend) State(name string) (state.State, error) {
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// This shouldn't happen
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if b.client == nil {
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panic("nil remote client")
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}
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if name != backend.DefaultStateName {
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return nil, backend.ErrNamedStatesNotSupported
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}
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s := &remote.State{Client: b.client}
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return s, nil
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}
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