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-rw-r--r--cmd/podman/root.go19
-rw-r--r--cmd/podman/root_test.go34
2 files changed, 52 insertions, 1 deletions
diff --git a/cmd/podman/root.go b/cmd/podman/root.go
index 1e73f7540..6293fa17d 100644
--- a/cmd/podman/root.go
+++ b/cmd/podman/root.go
@@ -11,6 +11,7 @@ import (
"github.com/containers/common/pkg/config"
"github.com/containers/podman/v2/cmd/podman/registry"
"github.com/containers/podman/v2/cmd/podman/validate"
+ "github.com/containers/podman/v2/libpod/define"
"github.com/containers/podman/v2/pkg/domain/entities"
"github.com/containers/podman/v2/pkg/parallel"
"github.com/containers/podman/v2/pkg/rootless"
@@ -84,7 +85,7 @@ func init() {
func Execute() {
if err := rootCmd.ExecuteContext(registry.GetContextWithOptions()); err != nil {
- fmt.Fprintln(os.Stderr, "Error:", err.Error())
+ fmt.Fprintln(os.Stderr, formatError(err))
} else if registry.GetExitCode() == registry.ExecErrorCodeGeneric {
// The exitCode modified from registry.ExecErrorCodeGeneric,
// indicates an application
@@ -331,3 +332,19 @@ func resolveDestination() (string, string, string) {
}
return cfg.Engine.ActiveService, uri, ident
}
+
+func formatError(err error) string {
+ var message string
+ if errors.Cause(err) == define.ErrOCIRuntime {
+ // OCIRuntimeErrors include the reason for the failure in the
+ // second to last message in the error chain.
+ message = fmt.Sprintf(
+ "Error: %s: %s",
+ define.ErrOCIRuntime.Error(),
+ strings.TrimSuffix(err.Error(), ": "+define.ErrOCIRuntime.Error()),
+ )
+ } else {
+ message = "Error: " + err.Error()
+ }
+ return message
+}
diff --git a/cmd/podman/root_test.go b/cmd/podman/root_test.go
new file mode 100644
index 000000000..0473128df
--- /dev/null
+++ b/cmd/podman/root_test.go
@@ -0,0 +1,34 @@
+package main
+
+import (
+ "fmt"
+ "strings"
+ "testing"
+
+ "github.com/containers/podman/v2/libpod/define"
+ "github.com/pkg/errors"
+)
+
+func TestFormatError(t *testing.T) {
+ err := errors.New("unknown error")
+ output := formatError(err)
+ expected := fmt.Sprintf("Error: %v", err)
+
+ if output != expected {
+ t.Errorf("Expected \"%s\" to equal \"%s\"", output, err.Error())
+ }
+}
+
+func TestFormatOCIError(t *testing.T) {
+ expectedPrefix := "Error: "
+ expectedSuffix := "OCI runtime output"
+ err := errors.Wrap(define.ErrOCIRuntime, expectedSuffix)
+ output := formatError(err)
+
+ if !strings.HasPrefix(output, expectedPrefix) {
+ t.Errorf("Expected \"%s\" to start with \"%s\"", output, expectedPrefix)
+ }
+ if !strings.HasSuffix(output, expectedSuffix) {
+ t.Errorf("Expected \"%s\" to end with \"%s\"", output, expectedSuffix)
+ }
+}