This document provides an overview of itelligence's cloud infrastructure services including: - Key figures on itelligence's worldwide operations, growth, and cloud services - Details on the infrastructure technologies used like CloudStack, KVM, Ceph, and automation with Ansible - The roadmap for implementing a cloud management platform for infrastructure and application management - Descriptions of the cloud setup, quotas, tagging, central services, and automation approaches

1. Cloud Management Portal - Admin View
Oct, 24th 2019
Sebastian Bretschneider - Cloud Infrastructure Architect
Andre Walter – Head of Cloud Infrastructure Services
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2. about André
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• Head of itelligence GMS Cloud Infrastructure Services
• @meradioc / http://twitter.com/meradioc
• https://www.linkedin.com/in/andre-walter-87215a35/

3. 48%
20%
14%
15%
2% 1%
itelligence Worldwide in Numbers
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1989 7,900+
(as of Dec 2018)
926.6 MEUR
(2018)
6,000+
German-Speaking Europe Western Europe Asia
OtherNorthern and Eastern Europe USA
Employees Development of Headcount Revenue
Revenue per Region (2018)
25 Countries
Customers
Founded
3
4140
4702
5677
6983
7904
20182014 2015 2016 2017
+
Ø13,6% Revenue Growth
CAGR over the past 5 years
557
696
778
872 927
20182014 2015 2016 2017
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4. A Closer Look at the Market
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Our mission
With our full-service SAP portfolio we
reduce IT complexity and bring simplicity
to the IT landscape.
Our vision
To deliver powerful SAP solutions
to the world.
Global, regional,
and local capacities
and competencies
25+ years of
extensive process,
industry, and IT
expertise
Winner of numerous
SAP Pinnacle
Awards
4
©2018itelligence

5. Infrastructure Specifics of SAP HANA systems
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The SAP HANA database is a hybrid,
relational in-memory database.
▪ Combines row-based, column-based
and object-based database
technologies
▪ Optimized for the use of parallel
processing functionality of modern
multi-core and CPU architectures
▪ Often physical servers
▪ Huge workloads
▪ Complex backup and disaster
recovery scenarios
▪ System Size - Memory from 32 GB
to 12 TB or even more
▪ Installation time from 15 min to 8
hours or longer

6. Employees
430+
Services Centers Worldwide
Server Room Area
2,040+ m²
Server Instances
9,500+
SAP Instances
8,400+
itelligence Managed Cloud Services | Facts and Figures
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Worldwide
six locations
Locations Data Center Locations
Global, flexible, cost-efficient and reliable solutions
Customers
890+
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7. Program Roadmap| Cloud Management Platform
▪ Phase 1 Evaluation and selection of a Cloud Management Platform. Completed.
▪ Evaluation between RH CloudForms, CloudBolt, Morpheus, ServiceNow, CloudStack. Decision on CloudStack.
▪ Phase 2 Implement Cloud Management Platform for Infrastructure Management (IaaS) in own DC until end of 2019.
▪ Establish a Cloud Management Platform for Infrastructure Management (IaaS) provided in itelligence DC. Target finalization
date is end of 2019.
▪ Phase 3 Hybrid Cloud Mgmt for IaaS until 07/2020.
▪ Enhance Cloud Management Platform for Infrastructure Management (IaaS) provided in Public Cloud. In scope are AWS and
Microsoft Azure as Public Cloud provider. Target finalization date is 07/2020.
▪ Phase 4 Hybrid Cloud Mgmt for SAP application operations until 12/2020.
▪ Enhance Cloud Management Platform for Infrastructure Management to SAP application operations automation with
automatic system deployments and agile up-/downscaling depending on capacity needs for AWS and Microsoft Azure as
Public Cloud provider. Target finalization date is 12/2020.
IaaS / Cloud Management Platform Roadmap

8. https://twitter.com/se_bre
https://www.linkedin.com/in/sebastian-bretschneider-030a72124
https://github.com/se-bre
About Me
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▪ Sebastian Bretschneider
▪ Since 2011 System Engineer at itelligence
▪ Cloudstack
▪ Ansible
▪ Ceph
▪ Linux
▪ Infrastructure
CloudStack Berlin & Dresden, Germany
https://www.meetup.com/german-CloudStack-user-group
Ceph Dresden, Germany
https://www.meetup.com/de-DE/Ceph-Dresden/
Ansible Dresden, Germany
https://www.meetup.com/Ansible-Dresden
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9. Agenda
1. Technologies
2. Cloudstack Setup
3. Quota
4. DNS
5. Tags
6. Central Services
7. Automation
8. Whats next
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10. Infrastructure
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▪ Main technologies
▪ Cloudstack
▪ KVM
▪ Ceph
▪ VLAN
▪ Ansible
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▪ Central services
▪ OpenLDAP
▪ Check_MK
▪ backuppc
▪ DNS
▪ Repository

11. Overview
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12. CloudStack setup
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▪ Advanced Networking setup
▪ Domains -> Customer Separation
▪ Projects -> Landscape separation

13. Quota
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▪ Domain: no Quota
▪ Project:
▪ defined by us
▪ Protects customer (billing)
▪ Protects infrastructure
▪ cleanup every 5 minutes (global setting:
resourcecount.check.interval)
▪ extended on customer request

14. DNS
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▪ Project: subdomain based on project name + customer
name
▪ External: Zone for geolocation
▪ Naming convention
▪ Static NAT IP for each System
▪ Zone setup
▪ Project: Cloudstack (Virtual Router)
▪ External: Ansible automation (Bind)

15. Tags
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▪ Project
▪ ansible_ip
▪ ansible_host (fqdn)
▪ VM
▪ Playbook which created system
▪ Git branch
▪ Git commit
▪ Comment
▪ Cost object
▪ Creator
▪ Backup
▪ Monitoring
▪ volume
▪ Comment
▪ all
▪ Billing informations

16. Central Services (Project)
16
▪ Ansible
▪ Applications
▪ Cloudstack (VM, Storage, NW, Tags, …)
▪ OS configuration (e.g. Kernel)
▪ Authentification (LDAP)
▪ Authorization (access.conf, sudo)
▪ Monitoring
▪ Backup
▪ DNS (external)
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▪ Check_MK
▪ OS
▪ Applications
▪ Infrastructure
▪ BackupPC
▪ File based (rsync, smb)
▪ OpenLDAP
▪ One LDAP for all users
▪ Domain: Customer
▪ Project: Groups
▪ ACL

17. Central Services - Network View
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18. Automation
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▪ Ansible + Daemon
▪ Daemon reads automation header
▪ Information send to portal
▪ User enters information
▪ Daemon triggers automation
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2
3
4

19. Automation
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▪ Applications
▪ relations
▪ translations
▪ Application stacks
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20. Whats next
▪ Vmware integration
▪ IBM Power9
▪ Hyperscaler
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21. Contact
Sebastian Bretschneider
Cloud Infrastucture Architect
T +49 3591 5253-1214
sebastian.bretschneider@itelligence.de
itelligence AG
We make the most of SAP® solutions!
Questions?`
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22. Copyright itelligence AG - All rights reserved
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