chore: improve terraform install performance (#7478)

cli/server.go

@@ -243,13 +243,11 @@ func (r *RootCmd) Server(newAPI func(context.Context, *coderd.Options) (*coderd.
 			notifyCtx, notifyStop := signal.NotifyContext(ctx, InterruptSignals...)
 			defer notifyStop()
 
-			// Ensure we have a unique cache directory for this process.
-			cacheDir := filepath.Join(cfg.CacheDir.String(), uuid.NewString())
+			cacheDir := cfg.CacheDir.String()
 			err = os.MkdirAll(cacheDir, 0o700)
 			if err != nil {
 				return xerrors.Errorf("create cache directory: %w", err)
 			}
-			defer os.RemoveAll(cacheDir)
 
 			// Clean up idle connections at the end, e.g.
 			// embedded-postgres can leave an idle connection

coderd/coderd.go

@@ -5,6 +5,7 @@ import (
 	"crypto/tls"
 	"crypto/x509"
 	"encoding/json"
+	"flag"
 	"fmt"
 	"io"
 	"net/http"
@@ -878,7 +879,12 @@ func (api *API) Close() error {
 }
 
 func compressHandler(h http.Handler) http.Handler {
-	cmp := middleware.NewCompressor(5,
+	level := 5
+	if flag.Lookup("test.v") != nil {
+		level = 1
+	}
+
+	cmp := middleware.NewCompressor(level,
 		"text/*",
 		"application/*",
 		"image/*",

go.sum

@@ -2636,7 +2636,5 @@ sigs.k8s.io/structured-merge-diff/v4 v4.1.2/go.mod h1:j/nl6xW8vLS49O8YvXW1ocPhZa
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
 sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
 software.sslmate.com/src/go-pkcs12 v0.2.0 h1:nlFkj7bTysH6VkC4fGphtjXRbezREPgrHuJG20hBGPE=
-storj.io/drpc v0.0.33-0.20220622181519-9206537a4db7 h1:6jIp39oQGZMjfrG3kiafK2tcL0Fbprh2kvaoJNfhvuM=
-storj.io/drpc v0.0.33-0.20220622181519-9206537a4db7/go.mod h1:6rcOyR/QQkSTX/9L5ZGtlZaE2PtXTTZl8d+ulSeeYEg=
 storj.io/drpc v0.0.33-0.20230420154621-9716137f6037 h1:SYRl2YUthhsXNkrP30KwxkDGN9TESdNrbpr14rOxsnM=
 storj.io/drpc v0.0.33-0.20230420154621-9716137f6037/go.mod h1:vR804UNzhBa49NOJ6HeLjd2H3MakC1j5Gv8bsOQT6N4=

provisioner/terraform/install.go

@@ -62,6 +62,7 @@ func Install(ctx context.Context, log slog.Logger, dir string, wantVersion *vers
 	log.Debug(
 		ctx,
 		"installing terraform",
+		slog.F("prev_version", hasVersion),
 		slog.F("dir", dir),
 		slog.F("version", TerraformVersion),
 	)