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

integration/int-config.toml

@@ -0,0 +1,27 @@
+[cveDict]
+  Type = "sqlite3"
+  SQLite3Path = "/home/ubuntu/vulsctl/docker/cve.sqlite3"
+
+[ovalDict]
+  Type = "sqlite3"
+  SQLite3Path = "/home/ubuntu/vulsctl/docker/oval.sqlite3"
+
+[gost]
+  Type = "sqlite3"
+  SQLite3Path = "/home/ubuntu/vulsctl/docker/gost.sqlite3"
+
+[exploit]
+  Type = "sqlite3"
+  SQLite3Path = "/home/ubuntu/vulsctl/docker/go-exploitdb.sqlite3"
+
+[metasploit]
+  type = "sqlite3"
+  SQLite3Path = "/home/ubuntu/vulsctl/docker/go-msfdb.sqlite3"
+
+[default]
+
+[servers]
+
+[servers.rails]
+type = "pseudo"
+cpeNames       = [ "cpe:/a:rubyonrails:ruby_on_rails:3.0.1" ]