Do not forget to use MaxChartFileSize and MaxChartFileSize in template

Signed-off-by: Benoit Tigeot <benoit.tigeot@lifen.fr>

pkg/cmd/template.go

@@ -35,6 +35,7 @@ import (
 
 	"helm.sh/helm/v4/pkg/action"
 	"helm.sh/helm/v4/pkg/chart/common"
+	"helm.sh/helm/v4/pkg/cli"
 	"helm.sh/helm/v4/pkg/cli/values"
 	"helm.sh/helm/v4/pkg/cmd/require"
 	releaseutil "helm.sh/helm/v4/pkg/release/v1/util"
@@ -194,6 +195,8 @@ func newTemplateCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
 
 	f := cmd.Flags()
 	addInstallFlags(cmd, f, client, valueOpts)
+	f.Var(cli.NewQuantityBytesValue(&client.MaxChartSize), "max-chart-size", "maximum size for a decompressed chart (e.g., 500Ki, 5Mi)")
+	f.Var(cli.NewQuantityBytesValue(&client.MaxChartFileSize), "max-file-size", "maximum size for a single file in a chart (e.g., 5Mi, 10Mi)")
 	f.StringArrayVarP(&showFiles, "show-only", "s", []string{}, "only show manifests rendered from the given templates")
 	f.StringVar(&client.OutputDir, "output-dir", "", "writes the executed templates to files in output-dir instead of stdout")
 	f.BoolVar(&validate, "validate", false, "deprecated")

pkg/cmd/template_test.go

@@ -166,6 +166,18 @@ func TestTemplateCmd(t *testing.T) {
 			cmd:    fmt.Sprintf("template '%s' -f %s/extra_values.yaml", chartPath, chartPath),
 			golden: "output/template-subchart-cm-set-file.txt",
 		},
+		{
+			name:      "template with restricted max size (with IEC size)",
+			cmd:       "template too-big testdata/testcharts/oci-dependent-chart-0.1.0.tgz --max-chart-size=1Ki",
+			wantError: true,
+			golden:    "output/template-with-restricted-chart-size.txt",
+		},
+		{
+			name:      "template with restricted max file size",
+			cmd:       "template too-big testdata/testcharts/compressedchart-0.1.0.tgz --max-file-size=10",
+			wantError: true,
+			golden:    "output/template-with-restricted-file-size.txt",
+		},
 	}
 	runTestCmd(t, tests)
 }

pkg/cmd/testdata/output/template-with-restricted-chart-size.txt

@@ -0,0 +1 @@
+Error: unable to load chart archive: decompressed chart is larger than the maximum size 1Ki

pkg/cmd/testdata/output/template-with-restricted-file-size.txt

@@ -0,0 +1 @@
+Error: unable to load chart archive: decompressed chart file "compressedchart/Chart.yaml" is larger than the maximum file size 10