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1ab10cf80c
* Improves tfparse test coverage to include more parameter types and values * Adds tests with unrelated parameters that should be ignored by tfparse * Modifies tfparse to only attempt evaluation of parameters referenced by coder_workspace_tags
88 lines
2.5 KiB
Go
88 lines
2.5 KiB
Go
package terraform
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import (
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"fmt"
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"path/filepath"
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"strings"
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"github.com/hashicorp/terraform-config-inspect/tfconfig"
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"github.com/mitchellh/go-wordwrap"
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"github.com/coder/coder/v2/coderd/tracing"
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"github.com/coder/coder/v2/provisioner/terraform/tfparse"
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"github.com/coder/coder/v2/provisionersdk"
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"github.com/coder/coder/v2/provisionersdk/proto"
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)
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// Parse extracts Terraform variables from source-code.
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func (s *server) Parse(sess *provisionersdk.Session, _ *proto.ParseRequest, _ <-chan struct{}) *proto.ParseComplete {
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ctx := sess.Context()
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_, span := s.startTrace(ctx, tracing.FuncName())
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defer span.End()
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// Load the module and print any parse errors.
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parser, diags := tfparse.New(sess.WorkDirectory, tfparse.WithLogger(s.logger.Named("tfparse")))
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if diags.HasErrors() {
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return provisionersdk.ParseErrorf("load module: %s", formatDiagnostics(sess.WorkDirectory, diags))
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}
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workspaceTags, _, err := parser.WorkspaceTags(ctx)
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if err != nil {
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return provisionersdk.ParseErrorf("can't load workspace tags: %v", err)
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}
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templateVariables, err := parser.TemplateVariables()
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if err != nil {
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return provisionersdk.ParseErrorf("can't load template variables: %v", err)
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}
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return &proto.ParseComplete{
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TemplateVariables: templateVariables,
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WorkspaceTags: workspaceTags,
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}
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}
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// FormatDiagnostics returns a nicely formatted string containing all of the
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// error details within the tfconfig.Diagnostics. We need to use this because
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// the default format doesn't provide much useful information.
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func formatDiagnostics(baseDir string, diags tfconfig.Diagnostics) string {
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var msgs strings.Builder
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for _, d := range diags {
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// Convert severity.
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severity := "UNKNOWN SEVERITY"
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switch {
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case d.Severity == tfconfig.DiagError:
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severity = "ERROR"
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case d.Severity == tfconfig.DiagWarning:
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severity = "WARN"
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}
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// Determine filepath and line
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location := "unknown location"
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if d.Pos != nil {
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filename, err := filepath.Rel(baseDir, d.Pos.Filename)
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if err != nil {
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filename = d.Pos.Filename
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}
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location = fmt.Sprintf("%s:%d", filename, d.Pos.Line)
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}
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_, _ = msgs.WriteString(fmt.Sprintf("\n%s: %s (%s)\n", severity, d.Summary, location))
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// Wrap the details to 80 characters and indent them.
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if d.Detail != "" {
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wrapped := wordwrap.WrapString(d.Detail, 78)
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for _, line := range strings.Split(wrapped, "\n") {
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_, _ = msgs.WriteString(fmt.Sprintf("> %s\n", line))
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}
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}
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}
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spacer := " "
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if len(diags) > 1 {
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spacer = "\n\n"
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}
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return spacer + strings.TrimSpace(msgs.String())
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}
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