Dit is een samenvatting van het cursus “Engineering Cloud Solution” aan de Hogeschool Utrecht, maar kan ook gebruikt worden om te certificeren voor AWS Cloud Practitioner.
Na het maken/doornemen van deze samenvatting heb ik mij gecertificeerd voor AWS Cloud Practitioner met een score van 880.
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,Inhoudsopgave
Het AWS-certificeringstraject .................................................................................................................. 8
Wat is cloud computing? ......................................................................................................................... 8
De implementatiemodellen van de cloud ............................................................................................... 9
Private Cloud: ...................................................................................................................................... 9
Public Cloud: ........................................................................................................................................ 9
Hybrid cloud: ....................................................................................................................................... 9
De vijf kenmerken van cloud computing................................................................................................. 9
Six Advantages of Cloud Computing ..................................................................................................... 10
Problemen die worden opgelost door de Cloud ................................................................................... 10
Soorten Cloud Computing ..................................................................................................................... 10
Voorbeelden van Cloud Computing Types ............................................................................................ 11
Prijzen van de cloud – een snel overzicht ............................................................................................. 11
AWS Global (wereldwijde) infrastructuur ............................................................................................. 12
AWS Regions...................................................................................................................................... 12
AWS Availability Zones ...................................................................................................................... 13
Rondleiding door de AWS-console .................................................................................................... 14
Shared Responsibility Model Diagram .................................................................................................. 14
IAM ........................................................................................................................................................ 15
IAM: gebruikers en groepen .............................................................................................................. 15
IAM: Permissies ................................................................................................................................. 15
IAM – Password Policy ...................................................................................................................... 16
Multi Factor Authentication - MFA ................................................................................................... 16
MFA device opties in AWS................................................................................................................. 16
Hoe kunnen gebruikers toegang krijgen tot AWS? ........................................................................... 17
Voorbeeld van (Fake) Access Keys .................................................................................................... 17
IAM Roles voor Services .................................................................................................................... 17
IAM Security Tools ............................................................................................................................. 17
IAM Guidelines & Best Practices ....................................................................................................... 18
Shared Responsibility Model for IAM................................................................................................ 18
IAM – Samenvatting .......................................................................................................................... 19
EC2 Section ............................................................................................................................................ 19
EC2 sizing & configuration opties ...................................................................................................... 19
EC2 instance types: voorbeeld .......................................................................................................... 20
1
, Introduction to Security Groups ........................................................................................................ 20
Security Groups Deeper Dive ............................................................................................................ 20
Security Groups Diagram................................................................................................................... 21
Classic Ports (herhaling, maar handig) .............................................................................................. 21
EC2 Instance Connect ........................................................................................................................ 21
EC2 Instances Purchasing Options .................................................................................................... 21
EC2 On Demand................................................................................................................................. 22
EC2 Reserved Instances ..................................................................................................................... 22
EC2 Spot Instances ........................................................................................................................... 22
EC2 Dedicated Hosts ......................................................................................................................... 23
EC2 Dedicated Instances ................................................................................................................... 23
Shared Responsibility Model for EC2 ................................................................................................ 23
EC2-sectie – Samenvatting ................................................................................................................ 24
EC2 Instance Storage Section ............................................................................................................ 24
Wat is een EBS Volume?.................................................................................................................... 24
EBS-volume........................................................................................................................................ 24
AMI Overzicht .................................................................................................................................... 25
EC2 Instance Store............................................................................................................................. 26
EFS - Elastic File System ......................................................................................................................... 26
EBS versus EFS ................................................................................................................................... 26
Shared Responsibility Model voor EC2 Storage ................................................................................ 27
Elastic Load Balancing & Auto Scaling Groups Section ......................................................................... 27
Scalability & High Availability ............................................................................................................ 27
Verticale scalability............................................................................................................................ 28
Horizontale scalability ....................................................................................................................... 28
High Availability ................................................................................................................................. 28
High Availability & Scalability voor EC2 ............................................................................................. 28
Scalability versus Elasticity (versus Agility) ....................................................................................... 29
Wat is Load Balancing? ...................................................................................................................... 29
Waarom een load balancer gebruiken? ............................................................................................ 29
Waarom een Elastic Load Balancer gebruiken? ................................................................................ 29
Wat is een Auto Scaling Group? ........................................................................................................ 30
Auto Scaling Group in AWS ............................................................................................................... 30
Auto Scaling Group in AWS met Load Balancer ................................................................................ 30
Amazon S3 Section ................................................................................................................................ 31
Section introduction .......................................................................................................................... 31
2
, Amazon S3 Overzicht – Buckets ........................................................................................................ 31
Amazon S3 Overzicht – Objecten ...................................................................................................... 31
S3 Security ......................................................................................................................................... 32
Voorbeeld: Public Access - Het gebruik van Bucket Policy ............................................................... 32
Voorbeeld: Gebruikerstoegang tot S3 – IAM permissies .................................................................. 32
Voorbeeld: EC2 instance access – Het gebruik van IAM Roles.......................................................... 33
Geavanceerd: Cross-Account Access – Het gebruik van Bucket Policy ............................................ 33
S3 Bucket Policies .............................................................................................................................. 33
Amazon S3 – Versioning .................................................................................................................... 34
S3 Access Logs ................................................................................................................................... 34
S3 Replication (CRR & SRR)................................................................................................................ 34
S3 Durability en Availability ............................................................................................................... 35
S3 Standard – General Purposes ....................................................................................................... 35
S3 Standard – Infrequent Access (IA) ................................................................................................ 35
S3 Intelligent-Tiering ......................................................................................................................... 35
S3 One Zone - Infrequent Access (IA) ................................................................................................ 36
Amazon Glacier & Glacier Deep Archive ........................................................................................... 36
S3 Storage Classes Comparison (vergelijking) ................................................................................... 36
Shared Responsibility Model for S3 .................................................................................................. 37
Snowball ............................................................................................................................................ 37
Snowball Process ............................................................................................................................... 37
Snowball Edge ................................................................................................................................... 38
AWS Storage Cloud Native Options................................................................................................... 38
Databases & Shared Responsibility in AWS .......................................................................................... 39
AWS RDS Overzicht............................................................................................................................ 39
Voordeel RDS versus deploying DB op EC2 ....................................................................................... 39
RDS Solution Architectuur ................................................................................................................. 40
Amazon Aurora.................................................................................................................................. 40
Amazon ElastiCache Overzicht .......................................................................................................... 40
ElastiCache Solution Architectuur – Cache ....................................................................................... 41
DynamoDB ......................................................................................................................................... 41
DynamoDB – type data...................................................................................................................... 41
Redshift Overview ............................................................................................................................. 42
Amazon EMR ..................................................................................................................................... 42
Athena Overzicht ............................................................................................................................... 42
AWS Glue ........................................................................................................................................... 43
3
, DMS – Database Migration Service ................................................................................................... 43
Databases & Analytics samenvatting in AWS .................................................................................... 43
Containers ............................................................................................................................................. 44
Docker versus Virtual Machines ........................................................................................................ 44
ECS ..................................................................................................................................................... 44
Fargate............................................................................................................................................... 44
ECR..................................................................................................................................................... 44
Wat is serverless? .............................................................................................................................. 45
Voordelen van AWS Lambda ............................................................................................................. 46
AWS Lambda language support ........................................................................................................ 46
Voorbeeld: Serverless Thumbnail creation ....................................................................................... 46
Voorbeeld: Serverless CRON job ....................................................................................................... 46
AWS Lambda Pricing: voorbeeld ....................................................................................................... 47
AWS Batch ......................................................................................................................................... 47
AWS Batch - Vereenvoudigd voorbeeld ............................................................................................ 47
Amazon Lightsail................................................................................................................................ 48
Deploying and Managing Infrastructure at Scale .................................................................................. 48
Wat is CloudFormation...................................................................................................................... 48
Voordelen van AWS CloudFormation................................................................................................ 48
Typical architecture: Web App 3-tier ................................................................................................ 49
AWS Elastic Beanstalk Overzicht ....................................................................................................... 50
Elastic Beanstalk ................................................................................................................................ 50
AWS CodeDeploy............................................................................................................................... 50
AWS Systems Manager (SSM) ........................................................................................................... 51
Hoe Systems Manager werkt ............................................................................................................ 51
AWS OpsWorks.................................................................................................................................. 51
OpsWorks architectuur ..................................................................................................................... 52
Global Infrastructure ............................................................................................................................. 52
Global Applications in AWS ............................................................................................................... 53
Amazon Route 53 Overzicht .............................................................................................................. 53
Route 53 – Diagram for A Record ...................................................................................................... 53
Route 53 Routing Policies .................................................................................................................. 54
AWS CloudFront ................................................................................................................................ 54
CloudFront - Origins .......................................................................................................................... 55
CloudFront at a high level ................................................................................................................. 55
CloudFront – S3 as an Origin ............................................................................................................. 55
4
, S3 Transfer Acceleration (Overdrachtversnelling ............................................................................. 56
AWS Global Accelerator .................................................................................................................... 56
AWS Global Accelerator vs CloudFront ............................................................................................. 57
Cloud Integration............................................................................................................................... 57
Amazon SQS – Simple Queue Service – Wat is een queue?.............................................................. 58
SQS om te decouplen tussen application tiers .................................................................................. 58
Amazon SNS....................................................................................................................................... 59
Cloud Monitoring .................................................................................................................................. 59
Amazon CloudWatch Metrics ............................................................................................................ 59
Voorbeeld: CloudWatch Billing metric (us-east-1) ............................................................................ 60
Belangrijke Metrics ............................................................................................................................ 60
Amazon CloudWatch Alarms ............................................................................................................. 60
Amazon CloudWatch Logs ................................................................................................................. 61
CloudWatch Logs voor EC2................................................................................................................ 61
Amazon CloudWatch Event ............................................................................................................... 61
Amazon EventBridge ......................................................................................................................... 62
AWS CloudTrail .................................................................................................................................. 62
AWS X-Ray ......................................................................................................................................... 63
AWS X-Ray voordelen ........................................................................................................................ 63
AWS Status - Service Health Dashboard ........................................................................................... 63
AWS Personal Health Dashboard ...................................................................................................... 64
Monitoring samenvatting (in het kort).............................................................................................. 64
VPC ........................................................................................................................................................ 65
VPC – Crash Course ........................................................................................................................... 65
VPC & Subnets Primer ....................................................................................................................... 65
VPC Diagram ...................................................................................................................................... 65
Internet Gateway en NAT Gateways ................................................................................................. 66
Network ACLs vs Security Groups ..................................................................................................... 66
VPC Flow Logs .................................................................................................................................... 66
VPC Peering ....................................................................................................................................... 67
Site to site VPN en Direct Connect .................................................................................................... 67
Site-to-Site VPN ................................................................................................................................. 67
Transit Gateway................................................................................................................................. 68
Security & Compliance .......................................................................................................................... 68
AWS Shared Responsibility Model .................................................................................................... 68
Voorbeeld voor RDS (verantwoordelijkheden) ................................................................................ 68
, Networking Costs in AWS per GB – Vereenvoudigd ......................................................................... 81
Billing and Costing Tools.................................................................................................................... 81
AWS Total Cost of Ownership (TCO) Calculators .............................................................................. 82
Cost Allocation Tags .......................................................................................................................... 82
Cost and Usage Reports .................................................................................................................... 82
Cost Explorer ..................................................................................................................................... 83
AWS Budgets ..................................................................................................................................... 83
Trusted Advisor ................................................................................................................................. 83
AWS Basic Support Plan .................................................................................................................... 84
AWS Developer Support Plan ............................................................................................................ 84
AWS Business Support Plan (24/7) .................................................................................................... 84
AWS Enterprise Support Plan (24/7) ................................................................................................. 85
AWS Architecting & Ecosystem Section ................................................................................................ 85
Well Architected Framework General Guiding Principles ................................................................. 85
AWS Cloud Best Practices – Design Principles .................................................................................. 85
Well Architected Framework 5 Pillars ............................................................................................... 86
Operational Excellence ...................................................................................................................... 86
Security .............................................................................................................................................. 87
Reliability ........................................................................................................................................... 88
Performance Efficiency...................................................................................................................... 89
Cost Optimization .............................................................................................................................. 89
AWS Marketplace .............................................................................................................................. 90
AWS Professional Services & Partner Network ................................................................................. 90
Tip & tricks voor het examen ............................................................................................................ 91
7
,Samevatting AWS - AWS-gecertificeerde cloud Practitioner cursus CLF-C01
Het AWS-certificeringstraject
Wat is cloud computing?
• Cloud computing is on-demand delivery (de levering op aanvraag ) van compute power
(rekenkracht), databas storage, applicaties en andere IT resources (bronnen).
• Via een cloudserviceplatform met pay-as-you-go pricing
• U kunt precies het juiste type en de juiste grootte van computer resources leveren die je
nodig hebt
• Je hebt vrijwel onmiddellijk toegang tot resources (wanneer dat nodig is)
• Eenvoudige manier om toegang te krijgen tot servers, opslag, databases en een reeks
applicatie services
* Amazon Web Services bezit en onderhoudt de op het netwerk aangesloten hardware vereist voor
deze applicatie services, terwijl je voorziet en gebruikt wat je nodig hebt via een webapplicatie
8
, De implementatiemodellen van de cloud
Private Cloud:
• Clouddiensten die worden gebruikt door een enkele
organisatie, niet blootgesteld aan het publiek.
• Volledige controle
• Beveiliging voor gevoelige toepassingen
• Ontmoet specifieke business-behoeften
Public Cloud:
• Cloud resources eigendom dat wordt beheerd door
een derde partij cloud service provider geleverd via
het internet.
• Zes voordelen van gebruik Cloud Computing
Hybrid cloud:
• Laat sommige servers in on-premises en breid enkele
mogelijkheden uit naar de Cloud
• Controle over gevoelig activa in jouw private
infrastructuur
• Flexibiliteit en kosteneffectiviteit van de Public Cloud.
De vijf kenmerken van cloud computing
• On-demand self service:
o Gebruikers kunnen middelen ter beschikking stellen en deze gebruiken zonder
menselijke tussenkomst van de serviceprovider
• Broad network access:
o Middelen die beschikbaar zijn via het netwerk en toegankelijk zijn voor verschillende
clientplatforms
• Multi-tenancy and resource pooling:
o Meerdere klanten kunnen dezelfde infrastructuur en applicaties delen met
beveiliging en privacy
o Meerdere klanten worden bediend met dezelfde fysieke resources
• Rapid elasticity and scalability:
o Automatisch en snel middelen verwerven en/of verwijderen wanneer dat nodig is
Snel en eenvoudig schaalbaar op basis van (aan)vraag, on-demand.
• Measured service:
o Het gebruik wordt gemeten, gebruikers betalen correct voor wat ze hebben verbruikt
9
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