45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
package tfexec
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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tfjson "github.com/hashicorp/terraform-json"
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)
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// Validate represents the validate subcommand to the Terraform CLI. The -json
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// flag support was added in 0.12.0, so this will not work on earlier versions.
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func (tf *Terraform) Validate(ctx context.Context) (*tfjson.ValidateOutput, error) {
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err := tf.compatible(ctx, tf0_12_0, nil)
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if err != nil {
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return nil, fmt.Errorf("terraform validate -json was added in 0.12.0: %w", err)
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}
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cmd := tf.buildTerraformCmd(ctx, nil, "validate", "-no-color", "-json")
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var outBuf = bytes.Buffer{}
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cmd.Stdout = &outBuf
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err = tf.runTerraformCmd(ctx, cmd)
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// TODO: this command should not exit 1 if you pass -json as its hard to differentiate other errors
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if err != nil && cmd.ProcessState.ExitCode() != 1 {
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return nil, err
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}
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var ret tfjson.ValidateOutput
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// TODO: ret.UseJSONNumber(true) validate output should support JSON numbers
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jsonErr := json.Unmarshal(outBuf.Bytes(), &ret)
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if jsonErr != nil {
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// the original call was possibly bad, if it has an error, actually just return that
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if err != nil {
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return nil, err
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}
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return nil, jsonErr
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}
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return &ret, nil
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}
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