refactor: don't use global Config in private func (#1197)

* refactor: cve_client.go

* refactor: don't use global Config in private func

* remove import alias for config

* refactor: dbclient

* refactor: resultDir

* refactor: resultsDir

* refactor

* refactor: gost

* refactor: db client

* refactor: cveDB

* refactor: cvedb

* refactor: exploitDB

* refactor: remove detector/dbclient.go

* refactor: writer

* refactor: syslog writer

* refactor: ips

* refactor: ensureResultDir

* refactor: proxy

* fix(db): call CloseDB

* add integration test

* feat(report): sort array in json

* sort func for json diff

* add build-int to makefile

* add int-rds-redis to makefile

* fix: test case, makefile

* fix makefile

* show cve count after diff

* make diff

* diff -c

* sort exploits in json for diff

* sort metasploit, exploit

oval/util_test.go

@@ -1281,3 +1281,57 @@ func Test_lessThan(t *testing.T) {
 		})
 	}
 }
+
+func Test_ovalResult_Sort(t *testing.T) {
+	type fields struct {
+		entries []defPacks
+	}
+	tests := []struct {
+		name   string
+		fields fields
+		want   fields
+	}{
+		{
+			name: "already sorted",
+			fields: fields{
+				entries: []defPacks{
+					{def: ovalmodels.Definition{DefinitionID: "0"}},
+					{def: ovalmodels.Definition{DefinitionID: "1"}},
+				},
+			},
+			want: fields{
+				entries: []defPacks{
+					{def: ovalmodels.Definition{DefinitionID: "0"}},
+					{def: ovalmodels.Definition{DefinitionID: "1"}},
+				},
+			},
+		},
+		{
+			name: "sort",
+			fields: fields{
+				entries: []defPacks{
+					{def: ovalmodels.Definition{DefinitionID: "1"}},
+					{def: ovalmodels.Definition{DefinitionID: "0"}},
+				},
+			},
+			want: fields{
+				entries: []defPacks{
+					{def: ovalmodels.Definition{DefinitionID: "0"}},
+					{def: ovalmodels.Definition{DefinitionID: "1"}},
+				},
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			o := &ovalResult{
+				entries: tt.fields.entries,
+			}
+			o.Sort()
+
+			if !reflect.DeepEqual(o.entries, tt.want.entries) {
+				t.Errorf("act %#v, want %#v", o.entries, tt.want.entries)
+			}
+		})
+	}
+}