cli/command/context: fix error-handling of skip-tls-verify

Before 2b9a4d5, this function
would use "errors.Wrap" which returns nil if the original error
was nil. fmt.Errorf does not do this, so without a nil check,
it would unconditionally return an error;

    docker context create arm64 --docker host=ssh://172.17.101.26,skip-tls-verify=False

    unable to create docker endpoint config: name: %!w(<nil>)

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

Author: thaJeztah

cli/command/context/create_test.go

@@ -59,42 +59,87 @@ func TestCreate(t *testing.T) {
 	cli := makeFakeCli(t)
 	assert.NilError(t, cli.ContextStore().CreateOrUpdate(store.Metadata{Name: "existing-context"}))
 	tests := []struct {
+		doc         string
 		options     CreateOptions
 		expecterErr string
 	}{
 		{
+			doc:         "empty name",
 			expecterErr: `context name cannot be empty`,
 		},
 		{
+			doc: "reserved name",
 			options: CreateOptions{
 				Name: "default",
 			},
 			expecterErr: `"default" is a reserved context name`,
 		},
 		{
+			doc: "whitespace-only name",
 			options: CreateOptions{
 				Name: " ",
 			},
 			expecterErr: `context name " " is invalid`,
 		},
 		{
+			doc: "existing context",
 			options: CreateOptions{
 				Name: "existing-context",
 			},
 			expecterErr: `context "existing-context" already exists`,
 		},
 		{
+			doc: "invalid docker host",
 			options: CreateOptions{
 				Name: "invalid-docker-host",
 				Docker: map[string]string{
-					keyHost: "some///invalid/host",
+					"host": "some///invalid/host",
 				},
 			},
 			expecterErr: `unable to parse docker host`,
 		},
+		{
+			doc: "ssh host with skip-tls-verify=false",
+			options: CreateOptions{
+				Name: "skip-tls-verify-false",
+				Docker: map[string]string{
+					"host": "ssh://example.com,skip-tls-verify=false",
+				},
+			},
+		},
+		{
+			doc: "ssh host with skip-tls-verify=true",
+			options: CreateOptions{
+				Name: "skip-tls-verify-true",
+				Docker: map[string]string{
+					"host": "ssh://example.com,skip-tls-verify=true",
+				},
+			},
+		},
+		{
+			doc: "ssh host with skip-tls-verify=INVALID",
+			options: CreateOptions{
+				Name: "skip-tls-verify-invalid",
+				Docker: map[string]string{
+					"host":            "ssh://example.com",
+					"skip-tls-verify": "INVALID",
+				},
+			},
+			expecterErr: `unable to create docker endpoint config: skip-tls-verify: parsing "INVALID": invalid syntax`,
+		},
+		{
+			doc: "unknown option",
+			options: CreateOptions{
+				Name: "unknown-option",
+				Docker: map[string]string{
+					"UNKNOWN": "value",
+				},
+			},
+			expecterErr: `unable to create docker endpoint config: unrecognized config key: UNKNOWN`,
+		},
 	}
 	for _, tc := range tests {
-		t.Run(tc.options.Name, func(t *testing.T) {
+		t.Run(tc.doc, func(t *testing.T) {
 			err := RunCreate(cli, &tc.options)
 			if tc.expecterErr == "" {
 				assert.NilError(t, err)

cli/command/context/options.go

@@ -68,7 +68,14 @@ func parseBool(config map[string]string, name string) (bool, error) {
 		return false, nil
 	}
 	res, err := strconv.ParseBool(strVal)
-	return res, fmt.Errorf("name: %w", err)
+	if err != nil {
+		var nErr *strconv.NumError
+		if errors.As(err, &nErr) {
+			return res, fmt.Errorf("%s: parsing %q: %w", name, nErr.Num, nErr.Err)
+		}
+		return res, fmt.Errorf("%s: %w", name, err)
+	}
+	return res, nil
 }
 
 func validateConfig(config map[string]string, allowedKeys map[string]struct{}) error {