[INIT+STANDALONE] fresh init of this project from original without specific confidential documents

helper_bin/inject_client/src/checker/getLastEntry.go

@@ -0,0 +1,70 @@
+/**************************************************************************************
+ *
+ *     Project:    kvmstoreserver-tools
+ *     File name:  getLastEntry.go
+ *     Version:    1.0.0
+ *     Date:       2018-01-15
+ *
+ *     Autor:      Bogdanovic Theodor
+ *     Contact:    t.bogdanovic@hotmail.com
+ *
+ *     License:    GPLv3
+ *
+ **************************************************************************************/
+/**************************************************************************************
+ * Copyright 2018 Bogdanovic Theodor
+ *
+ * This file is part of kvmstoreserver-tools.
+ *
+ * kvmstoreserver-tools is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * kvmstoreserver-tools is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with kvmstoreserver-tools.  If not, see <http://www.gnu.org/licenses/>.
+ **************************************************************************************/
+/**************************************************************************************
+ *  Further explanations:  This source code is under the license specified by the
+ *                         Autor above. Core components or other packages are still
+ *                         in source code form, under the license specified by the
+ *                         respective author.
+ **************************************************************************************/
+
+package checker
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"os"
+	"strconv"
+)
+
+// GetRandomEntry ...
+func GetRandomEntry(url string, lastEntry int) string {
+
+	partialURL := url + "/get/System_Name_" + strconv.Itoa(lastEntry)
+
+	resp, err := http.Get(partialURL)
+	if err != nil {
+		log.Printf("\nERROR: Destination URL (%v) does not answer (Error-> %v)",
+			partialURL, err)
+		os.Exit(1)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode == 200 {
+		body, _ := ioutil.ReadAll(resp.Body)
+		return string(body)
+	}
+
+	return fmt.Sprintf("Error: The status of the received message is unequal 200 (Received: %v)",
+		resp.StatusCode)
+}

helper_bin/inject_client/src/checker/urlChecker.go

@@ -0,0 +1,61 @@
+/**************************************************************************************
+ *
+ *     Project:    kvmstoreserver-tools
+ *     File name:  urlChecker.go
+ *     Version:    1.0.0
+ *     Date:       2018-01-15
+ *
+ *     Autor:      Bogdanovic Theodor
+ *     Contact:    t.bogdanovic@hotmail.com
+ *
+ *     License:    GPLv3
+ *
+ **************************************************************************************/
+/**************************************************************************************
+ * Copyright 2018 Bogdanovic Theodor
+ *
+ * This file is part of kvmstoreserver-tools.
+ *
+ * kvmstoreserver-tools is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * kvmstoreserver-tools is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with kvmstoreserver-tools.  If not, see <http://www.gnu.org/licenses/>.
+ **************************************************************************************/
+/**************************************************************************************
+ *  Further explanations:  This source code is under the license specified by the
+ *                         Autor above. Core components or other packages are still
+ *                         in source code form, under the license specified by the
+ *                         respective author.
+ **************************************************************************************/
+
+package checker
+
+import (
+	"fmt"
+	"net/http"
+)
+
+// IsURLValid ...
+func IsURLValid(url string) error {
+
+	fullURL := url + "/version"
+
+	resp, err := http.Get(fullURL)
+	if err != nil {
+		return fmt.Errorf("Destination URL (%v) does not answer", url)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode == http.StatusOK {
+		return nil
+	}
+	return fmt.Errorf("Something seems to be wrong with the server - Abort")
+}

helper_bin/inject_client/src/client/client.go

@@ -0,0 +1,145 @@
+/**************************************************************************************
+ *
+ *     Project:    kvmstoreserver-tools
+ *     File name:  client.go
+ *     Version:    1.0.0
+ *     Date:       2018-01-15
+ *
+ *     Autor:      Bogdanovic Theodor
+ *     Contact:    t.bogdanovic@hotmail.com
+ *
+ *     License:    GPLv3
+ *
+ **************************************************************************************/
+/**************************************************************************************
+ * Copyright 2018 Bogdanovic Theodor
+ *
+ * This file is part of kvmstoreserver-tools.
+ *
+ * kvmstoreserver-tools is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * kvmstoreserver-tools is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with kvmstoreserver-tools.  If not, see <http://www.gnu.org/licenses/>.
+ **************************************************************************************/
+/**************************************************************************************
+ *  Further explanations:  This source code is under the license specified by the
+ *                         Autor above. Core components or other packages are still
+ *                         in source code form, under the license specified by the
+ *                         respective author.
+ **************************************************************************************/
+
+package client
+
+import (
+	"bytes"
+	"fmt"
+	"net/http"
+	"strconv"
+	"sync"
+	"time"
+)
+
+//*****************************************************************************
+//*
+//*      Structure: Synchronizer
+//*
+//*****************************************************************************
+
+// ParaController ...
+type ParaController struct {
+	Wg sync.WaitGroup
+}
+
+//*****************************************************************************
+//*
+//*      Structure: InjClient
+//*
+//*****************************************************************************
+
+// InjClient ...
+type InjClient struct {
+	clientID int
+	url      string
+}
+
+//******************** Methods ************************************************
+
+// generateKeyName ...
+func (slf *InjClient) generateKeyName() string {
+	return "System_Name_" + strconv.Itoa(slf.clientID)
+}
+
+// GenerateRequest ...
+func (slf *InjClient) generateRequest() *bytes.Reader {
+
+	newName := slf.generateKeyName()
+
+	newNbr := slf.clientID
+	newVers := float64(slf.clientID) + 0.99999999
+	newAct := slf.clientID%2 == 0
+	newNull := "null"
+
+	return bytes.NewReader([]byte(
+		fmt.Sprintf(`{"system_name": "%v","system_number": %v,"system_version": %v,"system_active": %v,"system_null": %v}`,
+			newName, newNbr, newVers, newAct, newNull),
+	))
+}
+
+// StartRequest ...
+func (slf *InjClient) StartRequest(syncer *ParaController) {
+
+	defer func() {
+		err := recover()
+		if err != nil {
+			fmt.Printf("(RECOVER) Worker ID: %v - failed: Reason -> [Program Error: %v]\n",
+				slf.clientID, err)
+
+			syncer.Wg.Add(-1)
+		}
+	}()
+
+	client := &http.Client{Timeout: time.Second * 60}
+	callURL := slf.url + "/add/" + slf.generateKeyName()
+
+	req, _ := http.NewRequest("POST", callURL, slf.generateRequest())
+	req.Header.Set("User-Agent", "Injection-Client-storeserver-1.0.0")
+	req.Header.Set("Content-Type", "application/json")
+
+	resp, err := client.Do(req)
+
+	if err != nil {
+		fmt.Printf("Worker ID: %v - failed: Reason -> [Connection Error -> (%v)]\n",
+			slf.clientID, err)
+		return
+	}
+	if resp.StatusCode != 201 {
+		fmt.Printf("Worker ID: %v - failed: Reason -> [Status != 201 | (Received: %v)]\n",
+			resp.StatusCode, slf.clientID)
+		return
+	}
+
+	resp.Body.Close()
+	syncer.Wg.Add(-1)
+}
+
+//*****************************************************************************
+//*
+//*      Public Functions
+//*
+//*****************************************************************************
+
+// NewWorker ...
+func NewWorker(clientID int, url string) *InjClient {
+	return &InjClient{
+		clientID: clientID,
+		url:      url,
+	}
+}

helper_bin/inject_client/src/inject_client/main.go

@@ -0,0 +1,89 @@
+/**************************************************************************************
+ *
+ *     Project:    kvmstoreserver-tools
+ *     File name:  main.go
+ *     Version:    1.0.0
+ *     Date:       2018-01-15
+ *
+ *     Autor:      Bogdanovic Theodor
+ *     Contact:    t.bogdanovic@hotmail.com
+ *
+ *     License:    GPLv3
+ *
+ **************************************************************************************/
+/**************************************************************************************
+ * Copyright 2018 Bogdanovic Theodor
+ *
+ * This file is part of kvmstoreserver-tools.
+ *
+ * kvmstoreserver-tools is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * kvmstoreserver-tools is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with kvmstoreserver-tools.  If not, see <http://www.gnu.org/licenses/>.
+ **************************************************************************************/
+/**************************************************************************************
+ *  Further explanations:  This source code is under the license specified by the
+ *                         Autor above. Core components or other packages are still
+ *                         in source code form, under the license specified by the
+ *                         respective author.
+ **************************************************************************************/
+
+package main
+
+import (
+	"checker"
+	"client"
+	"fmt"
+	"runtime"
+	"time"
+	"utils"
+)
+
+func main() {
+
+	const maxParaReqs int = 6000
+	var endNbr int
+
+	cmdArgs := utils.NewCmdController()
+	synchronizer := client.ParaController{}
+	start := time.Now()
+
+	if cmdArgs.GetStart() != 0 {
+		endNbr = cmdArgs.GetStart() + 6000
+	} else {
+		endNbr = maxParaReqs
+	}
+
+	for idx := cmdArgs.GetStart(); idx < endNbr; idx++ {
+
+		synchronizer.Wg.Add(1)
+		go client.NewWorker(idx, cmdArgs.GetTarget()).StartRequest(&synchronizer)
+	}
+	synchronizer.Wg.Wait()
+
+	runtime.GC()
+
+	fmt.Printf("\nToral duration of all (%v) parallel requests -> %v\n",
+		maxParaReqs, time.Since(start))
+
+	fmt.Printf("\nThe default key pattern is \"System_Name_<%v - %v>\"", cmdArgs.GetStart(), endNbr-1)
+	fmt.Printf(`
+
+		EXAMPLE:
+			http://<IP or domain name>:3344/get/System_Name_0
+			`)
+
+	fmt.Printf("Start trying to get the last entry from kvmstoreserver:")
+
+	fmt.Printf("\nRESULT -> %v",
+		checker.GetRandomEntry(cmdArgs.GetTarget(), endNbr-1))
+
+}

helper_bin/inject_client/src/utils/cmdParser.go

@@ -0,0 +1,98 @@
+/**************************************************************************************
+ *
+ *     Project:    kvmstoreserver-tools
+ *     File name:  cmdParser.go
+ *     Version:    1.0.0
+ *     Date:       2018-01-15
+ *
+ *     Autor:      Bogdanovic Theodor
+ *     Contact:    t.bogdanovic@hotmail.com
+ *
+ *     License:    GPLv3
+ *
+ **************************************************************************************/
+/**************************************************************************************
+ * Copyright 2018 Bogdanovic Theodor
+ *
+ * This file is part of kvmstoreserver-tools.
+ *
+ * kvmstoreserver-tools is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * kvmstoreserver-tools is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with kvmstoreserver-tools.  If not, see <http://www.gnu.org/licenses/>.
+ **************************************************************************************/
+/**************************************************************************************
+ *  Further explanations:  This source code is under the license specified by the
+ *                         Autor above. Core components or other packages are still
+ *                         in source code form, under the license specified by the
+ *                         respective author.
+ **************************************************************************************/
+
+package utils
+
+import (
+	"checker"
+	"flag"
+	"fmt"
+	"log"
+	"os"
+)
+
+//*****************************************************************************
+//*
+//*      Structure: CmdController
+//*
+//*****************************************************************************
+
+// CmdController ...
+type CmdController struct {
+	target *string
+	start  *int
+}
+
+//******************** Methods ************************************************
+
+// GetTarget ...
+func (slf *CmdController) GetTarget() string { return *slf.target }
+
+// GetStart ...
+func (slf *CmdController) GetStart() int { return *slf.start }
+
+//*****************************************************************************
+//*
+//*      Public Functions
+//*
+//*****************************************************************************
+
+// NewCmdController ...
+func NewCmdController() *CmdController {
+
+	var cmdController CmdController
+
+	cmdController.target = flag.String("target", "",
+		"The URL to the storeserver -> EXAMPLE: http://<IP or domain name>:3344")
+
+	cmdController.start = flag.Int("start", 0,
+		"Please enter the start number. At this point + 6000 will be added")
+
+	if cmdController.target == nil {
+		fmt.Println("Please enter the address of the server -> EXAMPLE: inject_client -target http://<IP or domain name>:3344")
+		os.Exit(1)
+	}
+
+	flag.Parse()
+
+	if err := checker.IsURLValid(*cmdController.target); err != nil {
+		log.Fatal(err)
+	}
+
+	return &cmdController
+}

helper_bin/inject_disk/src/generator/jsonObjGenerator.go

@@ -0,0 +1,121 @@
+/**************************************************************************************
+ *
+ *     Project:    kvmstoreserver-tools
+ *     File name:  jsonObjGenerator.go
+ *     Version:    1.0.0
+ *     Date:       2018-01-14
+ *
+ *     Autor:      Bogdanovic Theodor
+ *     Contact:    t.bogdanovic@hotmail.com
+ *
+ *     License:    GPLv3
+ *
+ **************************************************************************************/
+/**************************************************************************************
+ * Copyright 2018 Bogdanovic Theodor
+ *
+ * This file is part of kvmstoreserver-tools.
+ *
+ * kvmstoreserver-tools is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * kvmstoreserver-tools is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with kvmstoreserver-tools.  If not, see <http://www.gnu.org/licenses/>.
+ **************************************************************************************/
+/**************************************************************************************
+ *  Further explanations:  This source code is under the license specified by the
+ *                         Autor above. Core components or other packages are still
+ *                         in source code form, under the license specified by the
+ *                         respective author.
+ **************************************************************************************/
+
+package generator
+
+import (
+	"fmt"
+	"io/ioutil"
+	"keyNameHandling"
+	"log"
+	"strconv"
+	"utils"
+)
+
+//*****************************************************************************
+//*
+//*      Declarations
+//*
+//*****************************************************************************
+
+const namePattern string = "System_Name_"
+
+//*****************************************************************************
+//*
+//*      Structure: JObjGenerator
+//*
+//*****************************************************************************
+
+// JObjGenerator ...
+type JObjGenerator struct {
+	objNbr   int
+	jObj     []byte
+	wPath    string
+	fullPath string
+	syncer   *utils.ParaController
+}
+
+//******************** Methods ************************************************
+
+func (slf *JObjGenerator) generateJObj() {
+
+	keyName := namePattern + strconv.Itoa(slf.objNbr)
+	nodeID, _ := keyNameHandling.NewKeyContext(keyName)
+
+	slf.fullPath = slf.wPath + "/" + strconv.Itoa(nodeID.GetNodeID()) + ".json"
+
+	dataNbr := slf.objNbr
+	dataVers := float64(slf.objNbr) + 0.99999999
+	dataAct := slf.objNbr%2 == 0
+	dataNull := "null"
+
+	slf.jObj = []byte(
+		fmt.Sprintf(`{"node_id":%v,"orig_key_name":"%v","data_container":[{"rev_nbr":0,"meta_header":{"remote_addr":"0.0.0.0:65535","created_at":"1970-01-01T00:00:00.3889558+01:00"},"data":{"system_name": "%v","system_number": %v,"system_version": %v,"system_active": %v,"system_null": %v}}]}`,
+			nodeID.GetNodeID(), nodeID.GetKeyStrName(), nodeID.GetKeyStrName(), dataNbr, dataVers, dataAct, dataNull),
+	)
+
+}
+
+// WriteIntoTarget ...
+func (slf *JObjGenerator) WriteIntoTarget() {
+
+	if err := ioutil.WriteFile(slf.fullPath, slf.jObj, 0660); err != nil {
+		log.Printf("Write for %v failed: Reason -> [%v]", slf.fullPath, err)
+	}
+
+	slf.syncer.Wg.Add(-1)
+}
+
+//*****************************************************************************
+//*
+//*      Public Functions
+//*
+//*****************************************************************************
+
+// NewWorker ...
+func NewWorker(objNbr int, wPath *string, syncer *utils.ParaController) *JObjGenerator {
+	newObj := JObjGenerator{
+		objNbr: objNbr,
+		wPath:  *wPath,
+		syncer: syncer,
+	}
+
+	newObj.generateJObj()
+
+	return &newObj
+}

helper_bin/inject_disk/src/inject_disk/main.go

@@ -0,0 +1,101 @@
+/**************************************************************************************
+ *
+ *     Project:    kvmstoreserver-tools
+ *     File name:  main.go
+ *     Version:    1.0.0
+ *     Date:       2018-01-14
+ *
+ *     Autor:      Bogdanovic Theodor
+ *     Contact:    t.bogdanovic@hotmail.com
+ *
+ *     License:    GPLv3
+ *
+ **************************************************************************************/
+/**************************************************************************************
+ * Copyright 2018 Bogdanovic Theodor
+ *
+ * This file is part of kvmstoreserver-tools.
+ *
+ * kvmstoreserver-tools is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * kvmstoreserver-tools is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with kvmstoreserver-tools.  If not, see <http://www.gnu.org/licenses/>.
+ **************************************************************************************/
+/**************************************************************************************
+ *  Further explanations:  This source code is under the license specified by the
+ *                         Autor above. Core components or other packages are still
+ *                         in source code form, under the license specified by the
+ *                         respective author.
+ **************************************************************************************/
+
+package main
+
+import (
+	"fmt"
+	"generator"
+	"time"
+	"utils"
+)
+
+func main() {
+
+	var (
+		chunkSize  int
+		outerLoops int
+		rest       int
+		objCounter int
+	)
+
+	chunkSize = 10000
+
+	cmdArgs := utils.NewCmdController()
+	synchronizer := utils.NewParaController()
+
+	if cmdArgs.GetObjects() < chunkSize {
+		chunkSize = cmdArgs.GetObjects()
+		outerLoops = 1
+		rest = 0
+	} else {
+		outerLoops = cmdArgs.GetObjects() / chunkSize
+		rest = cmdArgs.GetObjects() % chunkSize
+	}
+
+	start := time.Now()
+
+	for outerIdx := 0; outerIdx < outerLoops; outerIdx++ {
+
+		for innerIdx := 0; innerIdx < chunkSize; innerIdx++ {
+			synchronizer.Wg.Add(1)
+			generator.NewWorker(objCounter, cmdArgs.GetTargetRef(), synchronizer).
+				WriteIntoTarget()
+
+			objCounter++
+		}
+
+		synchronizer.Wg.Wait()
+	}
+
+	if rest > 0 {
+		for innerIdx := 0; innerIdx < rest; innerIdx++ {
+			synchronizer.Wg.Add(1)
+			generator.NewWorker(objCounter, cmdArgs.GetTargetRef(), synchronizer).
+				WriteIntoTarget()
+
+			objCounter++
+		}
+
+		synchronizer.Wg.Wait()
+	}
+
+	fmt.Printf("%v generic JSON objects were generated in %v and stored in path -> %v\n",
+		objCounter, time.Since(start), *cmdArgs.GetTargetRef())
+
+}

helper_bin/inject_disk/src/keyNameHandling/KeyNameToIdConverter.go

@@ -0,0 +1,123 @@
+/**************************************************************************************
+ *
+ *     Project:    kvmstoreserver-tools
+ *     File name:  KeyNameToIdConverter.go
+ *     Version:    1.0.0
+ *     Date:       2018-01-14
+ *
+ *     Autor:      Bogdanovic Theodor
+ *     Contact:    t.bogdanovic@hotmail.com
+ *
+ *     License:    GPLv3
+ *
+ **************************************************************************************/
+/**************************************************************************************
+ * Copyright 2018 Bogdanovic Theodor
+ *
+ * This file is part of kvmstoreserver-tools.
+ *
+ * kvmstoreserver-tools is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * kvmstoreserver-tools is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with kvmstoreserver-tools.  If not, see <http://www.gnu.org/licenses/>.
+ **************************************************************************************/
+/**************************************************************************************
+ *  Further explanations:  This source code is under the license specified by the
+ *                         Autor above. Core components or other packages are still
+ *                         in source code form, under the license specified by the
+ *                         respective author.
+ **************************************************************************************/
+
+package keyNameHandling
+
+// nolint
+import (
+	"crypto/md5"
+	"errors"
+	"strconv"
+	"strings"
+)
+
+//*****************************************************************************
+//*
+//*      Structure: keyContext
+//*
+//*****************************************************************************
+
+// KeyContext takes the original key and forms or calculates
+// all necessary parameters. This holds it in, so you can access
+// it from the outside
+type keyContext struct {
+	keyNameAsString string
+	keyMd5Hash      [16]byte
+
+	// Here is the calculated node ID where the data should be stored
+	dataNodeID int
+}
+
+/********************* Methods ************************************************/
+
+// defDataNodeID ...
+func (slf *keyContext) defDataNodeID() {
+
+	var uniqueIdentifierStr string
+
+	for idx := 0; idx < 6; idx++ {
+		uniqueIdentifierStr += strconv.Itoa(int(slf.keyMd5Hash[idx]))
+	}
+
+	uniqueIdentifier, _ := strconv.ParseInt(uniqueIdentifierStr, 10, 64)
+	slf.dataNodeID = int(uniqueIdentifier)
+}
+
+// nolint
+// defChkSum calc the checksum from the name (in string form)
+func (slf *keyContext) defChkSum() {
+	slf.keyMd5Hash = md5.Sum([]byte(slf.keyNameAsString))
+}
+
+/********************* Interface: IHandelWithIds ******************************/
+
+// GetKeyStrName returns the plain text key name from the structure
+func (slf *keyContext) GetKeyStrName() string { return slf.keyNameAsString }
+
+// GetNodeId returns the calculated Node ID from the structure
+func (slf *keyContext) GetNodeID() int { return slf.dataNodeID }
+
+//*****************************************************************************
+//*
+//*      Public Functions
+//*
+//*****************************************************************************
+
+// NewKeyContext Returns a reference to the structure, which
+// contains all information on the following points:
+//
+// 	- Original Key Name as string
+// 	- MD5 hash of the key name
+// 	- The ID of RootTree
+// 	- The ID of the node where to save or read data
+func NewKeyContext(key string) (IHandelWithIds, error) {
+
+	var kc keyContext
+
+	// A backup to prevent blank input
+	secKey := strings.Trim(key, " ")
+	if len(secKey) == 0 {
+		return &kc, errors.New("Key name is a empty string")
+	}
+
+	kc.keyNameAsString = key
+	kc.defChkSum()
+	kc.defDataNodeID()
+
+	return &kc, nil
+}

helper_bin/inject_disk/src/keyNameHandling/interfaces.go

@@ -0,0 +1,52 @@
+/**************************************************************************************
+ *
+ *     Project:    kvmstoreserver-tools
+ *     File name:  interfaces.go
+ *     Version:    1.0.0
+ *     Date:       2018-01-14
+ *
+ *     Autor:      Bogdanovic Theodor
+ *     Contact:    t.bogdanovic@hotmail.com
+ *
+ *     License:    GPLv3
+ *
+ **************************************************************************************/
+/**************************************************************************************
+ * Copyright 2018 Bogdanovic Theodor
+ *
+ * This file is part of kvmstoreserver-tools.
+ *
+ * kvmstoreserver-tools is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * kvmstoreserver-tools is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with kvmstoreserver-tools.  If not, see <http://www.gnu.org/licenses/>.
+ **************************************************************************************/
+/**************************************************************************************
+ *  Further explanations:  This source code is under the license specified by the
+ *                         Autor above. Core components or other packages are still
+ *                         in source code form, under the license specified by the
+ *                         respective author.
+ **************************************************************************************/
+
+package keyNameHandling
+
+// IHandelWithIds works as a getter interface. This is
+// necessary so that the structure keyContext does not
+// have to be exported. So nobody can manipulate data
+// into the structure. This interface only realizes read
+// only capabilities
+type IHandelWithIds interface {
+	// GetKeyStrName returns the value stored in the structure
+	GetKeyStrName() string
+
+	// GetNodeID returns the value stored in the structure
+	GetNodeID() int
+}

helper_bin/inject_disk/src/utils/cmdParser.go

@@ -0,0 +1,85 @@
+/**************************************************************************************
+ *
+ *     Project:    kvmstoreserver-tools
+ *     File name:  cmdParser.go
+ *     Version:    1.0.0
+ *     Date:       2018-01-14
+ *
+ *     Autor:      Bogdanovic Theodor
+ *     Contact:    t.bogdanovic@hotmail.com
+ *
+ *     License:    GPLv3
+ *
+ **************************************************************************************/
+/**************************************************************************************
+ * Copyright 2018 Bogdanovic Theodor
+ *
+ * This file is part of kvmstoreserver-tools.
+ *
+ * kvmstoreserver-tools is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * kvmstoreserver-tools is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with kvmstoreserver-tools.  If not, see <http://www.gnu.org/licenses/>.
+ **************************************************************************************/
+/**************************************************************************************
+ *  Further explanations:  This source code is under the license specified by the
+ *                         Autor above. Core components or other packages are still
+ *                         in source code form, under the license specified by the
+ *                         respective author.
+ **************************************************************************************/
+
+package utils
+
+import (
+	"flag"
+)
+
+//*****************************************************************************
+//*
+//*      Structure: CmdController
+//*
+//*****************************************************************************
+
+// CmdController ...
+type CmdController struct {
+	target  *string
+	objects *int
+}
+
+//******************** Methods ************************************************
+
+// GetTargetRef ...
+func (slf *CmdController) GetTargetRef() *string { return slf.target }
+
+// GetObjects ...
+func (slf *CmdController) GetObjects() int { return *slf.objects }
+
+//*****************************************************************************
+//*
+//*      Public Functions
+//*
+//*****************************************************************************
+
+// NewCmdController ...
+func NewCmdController() *CmdController {
+
+	var cmdController CmdController
+
+	cmdController.target = flag.String("target", "/home/kvmstoreserver/kvmstoreserver/warehouse",
+		"The path to the warehouse folder")
+
+	cmdController.objects = flag.Int("objects", 1,
+		"How many json objects should be generated")
+
+	flag.Parse()
+
+	return &cmdController
+}

helper_bin/inject_disk/src/utils/paraController.go

@@ -0,0 +1,53 @@
+/**************************************************************************************
+ *
+ *     Project:    kvmstoreserver-tools
+ *     File name:  paraController.go
+ *     Version:    1.0.0
+ *     Date:       2018-01-14
+ *
+ *     Autor:      Bogdanovic Theodor
+ *     Contact:    t.bogdanovic@hotmail.com
+ *
+ *     License:    GPLv3
+ *
+ **************************************************************************************/
+/**************************************************************************************
+ * Copyright 2018 Bogdanovic Theodor
+ *
+ * This file is part of kvmstoreserver-tools.
+ *
+ * kvmstoreserver-tools is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * kvmstoreserver-tools is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with kvmstoreserver-tools.  If not, see <http://www.gnu.org/licenses/>.
+ **************************************************************************************/
+/**************************************************************************************
+ *  Further explanations:  This source code is under the license specified by the
+ *                         Autor above. Core components or other packages are still
+ *                         in source code form, under the license specified by the
+ *                         respective author.
+ **************************************************************************************/
+
+package utils
+
+import (
+	"sync"
+)
+
+// ParaController ...
+type ParaController struct {
+	Wg sync.WaitGroup
+}
+
+// NewParaController ...
+func NewParaController() *ParaController {
+	return &ParaController{}
+}