fix

cmd/analyzer/parse_args.go

@@ -76,7 +76,7 @@ var supportedOutputFormatsMap = map[string]bool{
 // supportedAnalysisTypesMap is a map from analysis type to its list of supported output formats
 var supportedAnalysisTypesMap = map[string][]string{
 	allEndpoints:     {TEXTFormat, MDFormat, JSONFormat, DRAWIOFormat, ARCHDRAWIOFormat, DEBUGFormat},
-	allSubnets:       {TEXTFormat, JSONFormat, DRAWIOFormat, ARCHDRAWIOFormat},
+	allSubnets:       {TEXTFormat, MDFormat, JSONFormat, DRAWIOFormat, ARCHDRAWIOFormat},
 	singleSubnet:     {TEXTFormat},
 	allEndpointsDiff: {TEXTFormat, MDFormat},
 	allSubnetsDiff:   {TEXTFormat, MDFormat},

pkg/vpcmodel/mdOutput.go

@@ -38,15 +38,13 @@ func (m *MDoutputFormatter) WriteOutput(c1, c2 *VPCConfig,
 		return nil, err
 	}
 	out = "# " + out
+	lines := []string{mdDefaultTitle, mdDefaultHeader}
+	var connLines []string
 	switch uc {
 	case AllEndpoints:
-		lines := []string{mdDefaultTitle, mdDefaultHeader}
-		connLines := m.getGroupedOutput(conn.GroupedConnectivity)
-		out += linesToOutput(connLines, lines)
+		connLines = m.getGroupedOutput(conn.GroupedConnectivity)
 	case AllSubnets:
-		lines := []string{mdDefaultTitle, mdDefaultHeader}
-		connLines := m.getGroupedOutput(subnetsConn.GroupedConnectivity)
-		out += linesToOutput(connLines, lines)
+		connLines = m.getGroupedOutput(subnetsConn.GroupedConnectivity)
 	case SubnetsDiff, EndpointsDiff:
 		var mdTitle, mdHeader string
 		if uc == EndpointsDiff {
@@ -56,12 +54,12 @@ func (m *MDoutputFormatter) WriteOutput(c1, c2 *VPCConfig,
 			mdTitle = mdSubnetsDiffTitle
 			mdHeader = mdSubnetsDiffHeader
 		}
-		lines := []string{mdTitle, mdHeader}
-		connLines := m.getGroupedDiffOutput(cfgsDiff)
-		out += linesToOutput(connLines, lines)
+		lines = []string{mdTitle, mdHeader}
+		connLines = m.getGroupedDiffOutput(cfgsDiff)
 	case SingleSubnet:
 		return nil, errors.New("DebugSubnet use case not supported for md format currently ")
 	}
+	out += linesToOutput(connLines, lines)
 
 	_, err = WriteToFile(out, outFile)
 	return &SingleAnalysisOutput{Output: out, VPC1Name: c1.VPC.Name(), VPC2Name: v2Name, format: MD}, err