fix(config/yaml): support yaml files which incompatible with json spec (

#296)

analyzer/config/yaml/testdata/incompatible_json.yaml

@@ -0,0 +1,4 @@
+replacements:
+  amd64: 64bit
+  386: 32bit
+  arm: ARM

analyzer/config/yaml/yaml_test.go

@@ -44,7 +44,7 @@ func Test_yamlConfigAnalyzer_Analyze(t *testing.T) {
 								"name": "hello-kubernetes",
 							},
 							"spec": map[string]interface{}{
-								"replicas": 3,
+								"replicas": float64(3),
 							},
 						},
 					},
@@ -72,7 +72,7 @@ func Test_yamlConfigAnalyzer_Analyze(t *testing.T) {
 								"name": "hello-kubernetes",
 							},
 							"spec": map[string]interface{}{
-								"replicas": 4,
+								"replicas": float64(4),
 							},
 						},
 					},
@@ -104,10 +104,10 @@ func Test_yamlConfigAnalyzer_Analyze(t *testing.T) {
 							"john": map[string]interface{}{
 								"john_name": "john",
 							},
-							"main": map[interface{}]interface{}{
+							"main": map[string]interface{}{
 								"comment": "multi\nline\n",
 								"line":    "single line",
-								"name": map[interface{}]interface{}{
+								"name": map[string]interface{}{
 									"fred_name": "fred",
 									"john_name": "john",
 								},
@@ -139,7 +139,7 @@ func Test_yamlConfigAnalyzer_Analyze(t *testing.T) {
 								"name": "hello-kubernetes",
 							},
 							"spec": map[string]interface{}{
-								"replicas": 4,
+								"replicas": float64(4),
 							},
 						},
 					},
@@ -154,9 +154,9 @@ func Test_yamlConfigAnalyzer_Analyze(t *testing.T) {
 							},
 							"spec": map[string]interface{}{
 								"ports": []interface{}{map[string]interface{}{
-									"port":       80,
+									"port":       float64(80),
 									"protocol":   "TCP",
-									"targetPort": 8080,
+									"targetPort": float64(8080),
 								},
 								},
 							},
@@ -165,6 +165,32 @@ func Test_yamlConfigAnalyzer_Analyze(t *testing.T) {
 				},
 			},
 		},
+		{
+			name: "happy with yaml which incompatible with json spec",
+			args: args{
+				namespaces:  []string{"main"},
+				policyPaths: []string{"testdata/deny.rego"},
+			},
+			inputFile: "testdata/incompatible_json.yaml",
+			want: &analyzer.AnalysisResult{
+				OS:           (*types.OS)(nil),
+				PackageInfos: []types.PackageInfo(nil),
+				Applications: []types.Application(nil),
+				Configs: []types.Config{
+					{
+						Type:     "yaml",
+						FilePath: "testdata/incompatible_json.yaml",
+						Content: map[string]interface{}{
+							"replacements": map[string]interface{}{
+								"amd64": "64bit",
+								"386":   "32bit",
+								"arm":   "ARM",
+							},
+						},
+					},
+				},
+			},
+		},
 		{
 			name: "broken YAML",
 			args: args{

config/parser/yaml/yaml.go

@@ -4,7 +4,7 @@ import (
 	"bytes"
 
 	"golang.org/x/xerrors"
-	"gopkg.in/yaml.v3"
+	"sigs.k8s.io/yaml"
 )
 
 // Parser is a YAML parser.

config/parser/yaml/yaml_test.go

@@ -27,7 +27,7 @@ func TestParser_Parse(t *testing.T) {
 					"name": "hello-kubernetes",
 				},
 				"spec": map[string]interface{}{
-					"replicas": 4,
+					"replicas": float64(4),
 				},
 			},
 		},

go.mod

@@ -42,5 +42,5 @@ require (
 	golang.org/x/mod v0.5.1
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1
-	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
+	sigs.k8s.io/yaml v1.3.0
 )

go.sum

@@ -2041,5 +2041,7 @@ sigs.k8s.io/structured-merge-diff/v4 v4.0.2/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK
 sigs.k8s.io/structured-merge-diff/v4 v4.0.3/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
 sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
+sigs.k8s.io/yaml v1.3.0 h1:a2VclLzOGrwOHDiV8EfBGhvjHvP46CtW5j6POvhYGGo=
+sigs.k8s.io/yaml v1.3.0/go.mod h1:GeOyir5tyXNByN85N/dRIT9es5UQNerPYEKK56eTBm8=
 sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=
 sourcegraph.com/sqs/pbtypes v1.0.0/go.mod h1:3AciMUv4qUuRHRHhOG4TZOB+72GdPVz5k+c648qsFS4=