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https://github.com/opentofu/opentofu.git
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c937c06a03
Due to how deeply the configuration types go into Terraform Core, there isn't a great way to switch out to HCL2 gradually. As a consequence, this huge commit gets us from the old state to a _compilable_ new state, but does not yet attempt to fix any tests and has a number of known missing parts and bugs. We will continue to iterate on this in forthcoming commits, heading back towards passing tests and making Terraform fully-functional again. The three main goals here are: - Use the configuration models from the "configs" package instead of the older models in the "config" package, which is now deprecated and preserved only to help us write our migration tool. - Do expression inspection and evaluation using the functionality of the new "lang" package, instead of the Interpolator type and related functionality in the main "terraform" package. - Represent addresses of various objects using types in the addrs package, rather than hand-constructed strings. This is not critical to support the above, but was a big help during the implementation of these other points since it made it much more explicit what kind of address is expected in each context. Since our new packages are built to accommodate some future planned features that are not yet implemented (e.g. the "for_each" argument on resources, "count"/"for_each" on modules), and since there's still a fair amount of functionality still using old-style APIs, there is a moderate amount of shimming here to connect new assumptions with old, hopefully in a way that makes it easier to find and eliminate these shims later. I apologize in advance to the person who inevitably just found this huge commit while spelunking through the commit history.
103 lines
2.5 KiB
Go
103 lines
2.5 KiB
Go
package local
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import (
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"context"
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"fmt"
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"log"
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"os"
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"strings"
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"github.com/hashicorp/errwrap"
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"github.com/hashicorp/terraform/backend"
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"github.com/hashicorp/terraform/terraform"
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"github.com/hashicorp/terraform/tfdiags"
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)
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func (b *Local) opRefresh(
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stopCtx context.Context,
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cancelCtx context.Context,
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op *backend.Operation,
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runningOp *backend.RunningOperation) {
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var diags tfdiags.Diagnostics
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// Check if our state exists if we're performing a refresh operation. We
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// only do this if we're managing state with this backend.
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if b.Backend == nil {
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if _, err := os.Stat(b.StatePath); err != nil {
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if os.IsNotExist(err) {
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err = nil
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}
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if err != nil {
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diags = diags.Append(tfdiags.Sourceless(
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tfdiags.Error,
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"Cannot read state file",
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fmt.Sprintf("Failed to read %s: %s", b.StatePath, err),
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))
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b.ReportResult(runningOp, diags)
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return
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}
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}
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}
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// Get our context
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tfCtx, opState, contextDiags := b.context(op)
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diags = diags.Append(contextDiags)
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if contextDiags.HasErrors() {
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b.ReportResult(runningOp, diags)
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return
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}
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// Set our state
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runningOp.State = opState.State()
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if runningOp.State.Empty() || !runningOp.State.HasResources() {
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if b.CLI != nil {
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b.CLI.Output(b.Colorize().Color(
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strings.TrimSpace(refreshNoState) + "\n"))
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}
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}
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// Perform the refresh in a goroutine so we can be interrupted
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var newState *terraform.State
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var refreshDiags tfdiags.Diagnostics
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doneCh := make(chan struct{})
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go func() {
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defer close(doneCh)
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newState, refreshDiags = tfCtx.Refresh()
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log.Printf("[INFO] backend/local: refresh calling Refresh")
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}()
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if b.opWait(doneCh, stopCtx, cancelCtx, tfCtx, opState) {
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return
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}
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// write the resulting state to the running op
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runningOp.State = newState
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diags = diags.Append(refreshDiags)
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if refreshDiags.HasErrors() {
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b.ReportResult(runningOp, diags)
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return
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}
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// Write and persist the state
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if err := opState.WriteState(newState); err != nil {
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diags = diags.Append(errwrap.Wrapf("Failed to write state: {{err}}", err))
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b.ReportResult(runningOp, diags)
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return
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}
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if err := opState.PersistState(); err != nil {
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diags = diags.Append(errwrap.Wrapf("Failed to save state: {{err}}", err))
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b.ReportResult(runningOp, diags)
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return
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}
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}
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const refreshNoState = `
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[reset][bold][yellow]Empty or non-existent state file.[reset][yellow]
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Refresh will do nothing. Refresh does not error or return an erroneous
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exit status because many automation scripts use refresh, plan, then apply
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and may not have a state file yet for the first run.
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`
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