Implements basic logs query, success rate calculation

Closes #10
Closes #11

log.go

@@ -0,0 +1,94 @@
+// Copyright 2019 Mikhail Klementev. All rights reserved.
+// Use of this source code is governed by a AGPLv3 license
+// (or later) that can be found in the LICENSE file.
+
+package main
+
+import (
+	"database/sql"
+	"fmt"
+	"math"
+
+	"code.dumpstack.io/tools/out-of-tree/config"
+	"gopkg.in/logrusorgru/aurora.v1"
+)
+
+func logLogEntry(l logEntry) {
+	distroInfo := fmt.Sprintf("%s-%s {%s}", l.DistroType,
+		l.DistroRelease, l.KernelRelease)
+
+	artifactInfo := fmt.Sprintf("{[%s] %s}", l.Type, l.Name)
+
+	colored := ""
+	if l.Type == config.KernelExploit {
+		colored = aurora.Sprintf("[%s] %40s %40s: %s %s",
+			l.Timestamp, artifactInfo, distroInfo,
+			genOkFail("BUILD", l.Build.Ok),
+			genOkFail("LPE", l.Test.Ok))
+	} else {
+		colored = aurora.Sprintf("[%s] %40s %40s: %s %s %s",
+			l.Timestamp, artifactInfo, distroInfo,
+			genOkFail("BUILD", l.Build.Ok),
+			genOkFail("INSMOD", l.Run.Ok),
+			genOkFail("TEST", l.Test.Ok))
+	}
+
+	additional := ""
+	if l.KernelPanic {
+		additional = "(panic)"
+	} else if l.KilledByTimeout {
+		additional = "(timeout)"
+	}
+
+	if additional != "" {
+		fmt.Println(colored, additional)
+	} else {
+		fmt.Println(colored)
+	}
+}
+
+func logHandler(db *sql.DB, path string, num int, rate bool) (err error) {
+	var les []logEntry
+
+	ka, kaErr := config.ReadArtifactConfig(path + "/.out-of-tree.toml")
+	if kaErr == nil {
+		les, err = getAllArtifactLogs(db, num, ka)
+	} else {
+		les, err = getAllLogs(db, num)
+	}
+	if err != nil {
+		return
+	}
+
+	s := "\nS"
+	if rate {
+		if kaErr != nil {
+			err = kaErr
+			return
+		}
+
+		s = fmt.Sprintf("{[%s] %s} Overall s", ka.Type, ka.Name)
+
+		les, err = getAllArtifactLogs(db, math.MaxInt64, ka)
+		if err != nil {
+			return
+		}
+	} else {
+		for _, l := range les {
+			logLogEntry(l)
+		}
+	}
+
+	success := 0
+	for _, l := range les {
+		if l.Test.Ok {
+			success += 1
+		}
+	}
+
+	overall := float64(success) / float64(len(les))
+	fmt.Printf("%success rate: %.04f (~%.0f%%)\n",
+		s, overall, overall*100)
+
+	return
+}