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module_ops.go
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module_ops.go
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package module
import (
"context"
"errors"
"fmt"
"github.com/hashicorp/go-multierror"
"github.com/hashicorp/go-version"
"github.com/hashicorp/hcl-lang/decoder"
"github.com/hashicorp/hcl-lang/lang"
idecoder "github.com/hashicorp/terraform-ls/internal/decoder"
ilsp "github.com/hashicorp/terraform-ls/internal/lsp"
"github.com/hashicorp/terraform-ls/internal/registry"
"github.com/hashicorp/terraform-ls/internal/state"
"github.com/hashicorp/terraform-ls/internal/terraform/datadir"
op "github.com/hashicorp/terraform-ls/internal/terraform/module/operation"
"github.com/hashicorp/terraform-ls/internal/terraform/parser"
tfaddr "github.com/hashicorp/terraform-registry-address"
"github.com/hashicorp/terraform-schema/earlydecoder"
"github.com/hashicorp/terraform-schema/module"
tfregistry "github.com/hashicorp/terraform-schema/registry"
tfschema "github.com/hashicorp/terraform-schema/schema"
"github.com/zclconf/go-cty/cty"
"github.com/zclconf/go-cty/cty/json"
)
type DeferFunc func(opError error)
type ModuleOperation struct {
ModulePath string
Type op.OpType
Defer DeferFunc
doneCh chan struct{}
}
func NewModuleOperation(modPath string, typ op.OpType) ModuleOperation {
return ModuleOperation{
ModulePath: modPath,
Type: typ,
doneCh: make(chan struct{}, 1),
}
}
func (mo ModuleOperation) markAsDone() {
mo.doneCh <- struct{}{}
close(mo.doneCh)
}
func (mo ModuleOperation) done() <-chan struct{} {
return mo.doneCh
}
func GetTerraformVersion(ctx context.Context, modStore *state.ModuleStore, modPath string) error {
mod, err := modStore.ModuleByPath(modPath)
if err != nil {
return err
}
err = modStore.SetTerraformVersionState(modPath, op.OpStateLoading)
if err != nil {
return err
}
defer modStore.SetTerraformVersionState(modPath, op.OpStateLoaded)
tfExec, err := TerraformExecutorForModule(ctx, mod.Path)
if err != nil {
sErr := modStore.UpdateTerraformVersion(modPath, nil, nil, err)
if err != nil {
return sErr
}
return err
}
v, pv, err := tfExec.Version(ctx)
pVersions := providerVersionsFromTfVersion(pv)
sErr := modStore.UpdateTerraformVersion(modPath, v, pVersions, err)
if sErr != nil {
return sErr
}
return err
}
func providerVersionsFromTfVersion(pv map[string]*version.Version) map[tfaddr.Provider]*version.Version {
m := make(map[tfaddr.Provider]*version.Version, 0)
for rawAddr, v := range pv {
pAddr, err := tfaddr.ParseProviderSource(rawAddr)
if err != nil {
// skip unparsable address
continue
}
if pAddr.IsLegacy() {
// TODO: check for migrations via Registry API?
}
m[pAddr] = v
}
return m
}
func ObtainSchema(ctx context.Context, modStore *state.ModuleStore, schemaStore *state.ProviderSchemaStore, modPath string) error {
mod, err := modStore.ModuleByPath(modPath)
if err != nil {
return err
}
tfExec, err := TerraformExecutorForModule(ctx, mod.Path)
if err != nil {
sErr := modStore.FinishProviderSchemaLoading(modPath, err)
if sErr != nil {
return sErr
}
return err
}
ps, err := tfExec.ProviderSchemas(ctx)
if err != nil {
sErr := modStore.FinishProviderSchemaLoading(modPath, err)
if sErr != nil {
return sErr
}
return err
}
for rawAddr, pJsonSchema := range ps.Schemas {
pAddr, err := tfaddr.ParseProviderSource(rawAddr)
if err != nil {
// skip unparsable address
continue
}
if pAddr.IsLegacy() {
// TODO: check for migrations via Registry API?
}
pSchema := tfschema.ProviderSchemaFromJson(pJsonSchema, pAddr)
err = schemaStore.AddLocalSchema(modPath, pAddr, pSchema)
if err != nil {
return err
}
}
return nil
}
func ParseModuleConfiguration(fs ReadOnlyFS, modStore *state.ModuleStore, modPath string) error {
err := modStore.SetModuleParsingState(modPath, op.OpStateLoading)
if err != nil {
return err
}
files, diags, err := parser.ParseModuleFiles(fs, modPath)
sErr := modStore.UpdateParsedModuleFiles(modPath, files, err)
if sErr != nil {
return sErr
}
sErr = modStore.UpdateModuleDiagnostics(modPath, diags)
if sErr != nil {
return sErr
}
return err
}
func ParseVariables(fs ReadOnlyFS, modStore *state.ModuleStore, modPath string) error {
err := modStore.SetVarsParsingState(modPath, op.OpStateLoading)
if err != nil {
return err
}
files, diags, err := parser.ParseVariableFiles(fs, modPath)
sErr := modStore.UpdateParsedVarsFiles(modPath, files, err)
if sErr != nil {
return sErr
}
sErr = modStore.UpdateVarsDiagnostics(modPath, diags)
if sErr != nil {
return sErr
}
return err
}
func ParseModuleManifest(fs ReadOnlyFS, modStore *state.ModuleStore, modPath string) error {
err := modStore.SetModManifestState(modPath, op.OpStateLoading)
if err != nil {
return err
}
manifestPath, ok := datadir.ModuleManifestFilePath(fs, modPath)
if !ok {
err := fmt.Errorf("%s: manifest file does not exist", modPath)
sErr := modStore.UpdateModManifest(modPath, nil, err)
if sErr != nil {
return sErr
}
return err
}
mm, err := datadir.ParseModuleManifestFromFile(manifestPath)
if err != nil {
err := fmt.Errorf("failed to parse manifest: %w", err)
sErr := modStore.UpdateModManifest(modPath, nil, err)
if sErr != nil {
return sErr
}
return err
}
sErr := modStore.UpdateModManifest(modPath, mm, err)
if sErr != nil {
return sErr
}
return err
}
func ParseProviderVersions(fs ReadOnlyFS, modStore *state.ModuleStore, modPath string) error {
err := modStore.SetInstalledProvidersState(modPath, op.OpStateLoading)
if err != nil {
return err
}
pvm, err := datadir.ParsePluginVersions(fs, modPath)
sErr := modStore.UpdateInstalledProviders(modPath, pvm, err)
if sErr != nil {
return sErr
}
return err
}
func LoadModuleMetadata(modStore *state.ModuleStore, modPath string) error {
err := modStore.SetMetaState(modPath, op.OpStateLoading)
if err != nil {
return err
}
mod, err := modStore.ModuleByPath(modPath)
if err != nil {
return err
}
var mErr error
meta, diags := earlydecoder.LoadModule(mod.Path, mod.ParsedModuleFiles.AsMap())
if len(diags) > 0 {
mErr = diags
}
providerRequirements := make(map[tfaddr.Provider]version.Constraints, len(meta.ProviderRequirements))
for pAddr, pvc := range meta.ProviderRequirements {
// TODO: check pAddr for migrations via Registry API?
providerRequirements[pAddr] = pvc
}
meta.ProviderRequirements = providerRequirements
providerRefs := make(map[module.ProviderRef]tfaddr.Provider, len(meta.ProviderReferences))
for localRef, pAddr := range meta.ProviderReferences {
// TODO: check pAddr for migrations via Registry API?
providerRefs[localRef] = pAddr
}
meta.ProviderReferences = providerRefs
sErr := modStore.UpdateMetadata(modPath, meta, mErr)
if sErr != nil {
return sErr
}
return mErr
}
func DecodeReferenceTargets(ctx context.Context, modStore *state.ModuleStore, schemaReader state.SchemaReader, modPath string) error {
err := modStore.SetReferenceTargetsState(modPath, op.OpStateLoading)
if err != nil {
return err
}
d := decoder.NewDecoder(&idecoder.PathReader{
ModuleReader: modStore,
SchemaReader: schemaReader,
})
d.SetContext(idecoder.DecoderContext(ctx))
pd, err := d.Path(lang.Path{
Path: modPath,
LanguageID: ilsp.Terraform.String(),
})
if err != nil {
return err
}
targets, rErr := pd.CollectReferenceTargets()
targets = append(targets, builtinReferences(modPath)...)
sErr := modStore.UpdateReferenceTargets(modPath, targets, rErr)
if sErr != nil {
return sErr
}
return rErr
}
func DecodeReferenceOrigins(ctx context.Context, modStore *state.ModuleStore, schemaReader state.SchemaReader, modPath string) error {
err := modStore.SetReferenceOriginsState(modPath, op.OpStateLoading)
if err != nil {
return err
}
d := decoder.NewDecoder(&idecoder.PathReader{
ModuleReader: modStore,
SchemaReader: schemaReader,
})
d.SetContext(idecoder.DecoderContext(ctx))
moduleDecoder, err := d.Path(lang.Path{
Path: modPath,
LanguageID: ilsp.Terraform.String(),
})
if err != nil {
return err
}
origins, rErr := moduleDecoder.CollectReferenceOrigins()
sErr := modStore.UpdateReferenceOrigins(modPath, origins, rErr)
if sErr != nil {
return sErr
}
return rErr
}
func DecodeVarsReferences(ctx context.Context, modStore *state.ModuleStore, schemaReader state.SchemaReader, modPath string) error {
err := modStore.SetVarsReferenceOriginsState(modPath, op.OpStateLoading)
if err != nil {
return err
}
d := decoder.NewDecoder(&idecoder.PathReader{
ModuleReader: modStore,
SchemaReader: schemaReader,
})
d.SetContext(idecoder.DecoderContext(ctx))
varsDecoder, err := d.Path(lang.Path{
Path: modPath,
LanguageID: ilsp.Tfvars.String(),
})
if err != nil {
return err
}
origins, rErr := varsDecoder.CollectReferenceOrigins()
sErr := modStore.UpdateVarsReferenceOrigins(modPath, origins, rErr)
if sErr != nil {
return sErr
}
return rErr
}
func GetModuleDataFromRegistry(ctx context.Context, regClient registry.Client, modStore *state.ModuleStore, modRegStore *state.RegistryModuleStore, modPath string) error {
// loop over module calls
calls, err := modStore.ModuleCalls(modPath)
if err != nil {
return err
}
var errs *multierror.Error
for _, declaredModule := range calls.Declared {
sourceAddr, ok := declaredModule.SourceAddr.(tfaddr.Module)
if !ok {
// skip any modules which do not come from the Registry
continue
}
// check if that address was already cached
// if there was an error finding in cache, so cache again
exists, err := modRegStore.Exists(sourceAddr, declaredModule.Version)
if err != nil {
errs = multierror.Append(errs, err)
continue
}
if exists {
// entry in cache, no need to look up
continue
}
// get module data from Terraform Registry
metaData, err := regClient.GetModuleData(ctx, sourceAddr, declaredModule.Version)
if err != nil {
errs = multierror.Append(errs, err)
continue
}
inputs := make([]tfregistry.Input, len(metaData.Root.Inputs))
for i, input := range metaData.Root.Inputs {
inputs[i] = tfregistry.Input{
Name: input.Name,
Description: lang.Markdown(input.Description),
Required: input.Required,
}
inputType := cty.DynamicPseudoType
if input.Type != "" {
// Registry API unfortunately doesn't marshal types using
// cty marshalers, making it lossy, so we just try to decode
// on best-effort basis.
rawType := []byte(fmt.Sprintf("%q", input.Type))
typ, err := json.UnmarshalType(rawType)
if err == nil {
inputType = typ
}
}
inputs[i].Type = inputType
if input.Default != "" {
// Registry API unfortunately doesn't marshal values using
// cty marshalers, making it lossy, so we just try to decode
// on best-effort basis.
val, err := json.Unmarshal([]byte(input.Default), inputType)
if err == nil {
inputs[i].Default = val
}
}
}
outputs := make([]tfregistry.Output, len(metaData.Root.Outputs))
for i, output := range metaData.Root.Outputs {
outputs[i] = tfregistry.Output{
Name: output.Name,
Description: lang.Markdown(output.Description),
}
}
modVersion, err := version.NewVersion(metaData.Version)
if err != nil {
errs = multierror.Append(errs, err)
continue
}
// if not, cache it
err = modRegStore.Cache(sourceAddr, modVersion, inputs, outputs)
if err != nil {
// A different job which ran in parallel for a different module block
// with the same source may have already cached the same module.
existsError := &state.AlreadyExistsError{}
if errors.As(err, &existsError) {
continue
}
errs = multierror.Append(errs, err)
continue
}
}
return errs.ErrorOrNil()
}