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Merge pull request #11 from marcel-dempers/cloud-series
kubernetes-in-the-cloud
This commit is contained in:
Marcel Dempers
GitHub
commit
bcf8e55856
@ -64,5 +64,8 @@ Video: https://youtu.be/xhva6DeKqVU <br/>
|
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Part #7 Kubernetes ingress | the basics <br/>
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Video: https://youtu.be/izWCkcJAzBw <br/>
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Kubernetes in the Cloud
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||||
Checkout my series on running Kubernetes in the Cloud [here](./kubernetes/cloud/readme.md) <br/>
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More details coming soon!
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12
kubernetes/cloud/amazon/assume-node-policy.json
Normal file
12
kubernetes/cloud/amazon/assume-node-policy.json
Normal file
@ -0,0 +1,12 @@
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{
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"Version": "2012-10-17",
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"Statement": [
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{
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"Effect": "Allow",
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"Principal": {
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"Service": "ec2.amazonaws.com"
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},
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"Action": "sts:AssumeRole"
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}
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]
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}
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12
kubernetes/cloud/amazon/assume-policy.json
Normal file
12
kubernetes/cloud/amazon/assume-policy.json
Normal file
@ -0,0 +1,12 @@
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{
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"Version": "2012-10-17",
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"Statement": [
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{
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"Effect": "Allow",
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"Principal": {
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"Service": "eks.amazonaws.com"
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},
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"Action": "sts:AssumeRole"
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}
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]
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}
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163
kubernetes/cloud/amazon/getting-started.md
Normal file
163
kubernetes/cloud/amazon/getting-started.md
Normal file
@ -0,0 +1,163 @@
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# Getting Started with EKS
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## Amazon CLI
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```
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# Run Amazon CLI
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docker run -it --rm -v ${PWD}:/work -w /work --entrypoint /bin/sh amazon/aws-cli:2.0.17
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cd ./kubernetes/cloud/amazon
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yum install jq
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```
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## Login to AWS
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https://docs.aws.amazon.com/eks/latest/userguide/getting-started-console.html
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```
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# Access your "My Security Credentials" section in your profile.
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# Create an access key
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aws configure
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# Regions
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https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Concepts.RegionsAndAvailabilityZones.html
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```
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# Deploy Cluster with AWS CLI
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You can deploy a cluster using multiple ways. </br>
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We will cover the two fundamental ways.
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1) AWS CLI https://docs.aws.amazon.com/eks/latest/userguide/getting-started-console.html
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2) EKS CLI (newer) https://docs.aws.amazon.com/eks/latest/userguide/getting-started-eksctl.html
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## AWS CLI
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Kubernetes needs a service account to manage our Kubernetes cluster <br/>
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In AWS this is an IAM role <br/>
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Lets create one! <br/>
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Follow "Create your Amazon EKS cluster IAM role" [here](https://docs.aws.amazon.com/eks/latest/userguide/getting-started-console.html) <br/>
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```
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# create our role for EKS
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role_arn=$(aws iam create-role --role-name getting-started-eks-role --assume-role-policy-document file://assume-policy.json | jq .Role.Arn | sed s/\"//g)
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aws iam attach-role-policy --role-name getting-started-eks-role --policy-arn arn:aws:iam::aws:policy/AmazonEKSClusterPolicy
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# create the cluster VPC
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curl https://amazon-eks.s3.us-west-2.amazonaws.com/cloudformation/2020-05-08/amazon-eks-vpc-sample.yaml -o vpc.yaml
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aws cloudformation deploy --template-file vpc.yaml --stack-name getting-started-eks
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# grab your stack details
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aws cloudformation list-stack-resources --stack-name getting-started-eks > stack.json
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# create our cluster
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aws eks create-cluster \
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--name getting-started-eks \
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--role-arn $role_arn \
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--resources-vpc-config subnetIds=subnet-063efe1fa0c5d4913,subnet-06f91e563755e2077,subnet-0824d16f8536b3681,securityGroupIds=sg-0960d3a116ba912e1,endpointPublicAccess=true,endpointPrivateAccess=false
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aws eks list-clusters
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aws eks describe-cluster --name getting-started-eks
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```
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## Get a kubeconfig for our cluster
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```
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aws eks update-kubeconfig --name getting-started-eks --region ap-southeast-2
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#grab the config if you want it
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cp ~/.kube/config .
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curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl
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chmod +x ./kubectl && mv ./kubectl /usr/local/bin/kubectl
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```
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## Add nodes to our cluster
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```
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# create our role for nodes
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role_arn=$(aws iam create-role --role-name getting-started-eks-role-nodes --assume-role-policy-document file://assume-node-policy.json | jq .Role.Arn | sed s/\"//g)
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aws iam attach-role-policy --role-name getting-started-eks-role-nodes --policy-arn arn:aws:iam::aws:policy/AmazonEKSWorkerNodePolicy
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aws iam attach-role-policy --role-name getting-started-eks-role-nodes --policy-arn arn:aws:iam::aws:policy/AmazonEKS_CNI_Policy
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aws iam attach-role-policy --role-name getting-started-eks-role-nodes --policy-arn arn:aws:iam::aws:policy/AmazonEC2ContainerRegistryReadOnly
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```
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More details on node permissions [here](https://docs.aws.amazon.com/eks/latest/userguide/worker_node_IAM_role.html)
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More details on instance types to choose from [here](https://aws.amazon.com/ec2/instance-types/)
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```
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aws eks create-nodegroup \
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--cluster-name getting-started-eks \
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--nodegroup-name test \
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--node-role $role_arn \
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--subnets subnet-0ec47e6ae964a233f \
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--disk-size 200 \
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--scaling-config minSize=1,maxSize=2,desiredSize=1 \
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--instance-types t2.small
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```
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## EKS CTL example
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```
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eksctl create cluster --name getting-started-eks-1 \
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--region ap-southeast-2 \
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--version 1.16 \
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--managed \
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--node-type t2.small \
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--nodes 1 \
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--node-volume-size 200
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```
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## Create some sample containers
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```
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cd ../..
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kubectl create ns example-app
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# lets create some resources.
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kubectl apply -n example-app -f secrets/secret.yaml
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kubectl apply -n example-app -f configmaps/configmap.yaml
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kubectl apply -n example-app -f deployments/deployment.yaml
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# remember to change the `type: LoadBalancer`
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kubectl apply -n example-app -f services/service.yaml
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```
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## Cleanup
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```
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eksctl delete cluster --name getting-started-eks-1
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aws eks delete-nodegroup --cluster-name getting-started-eks --nodegroup-name test
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aws eks delete-cluster --name getting-started-eks
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aws iam detach-role-policy --role-name getting-started-eks-role --policy-arn arn:aws:iam::aws:policy/AmazonEKSClusterPolicy
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aws iam delete-role --role-name getting-started-eks-role
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aws iam detach-role-policy --role-name getting-started-eks-role-nodes --policy-arn arn:aws:iam::aws:policy/AmazonEKSWorkerNodePolicy
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aws iam detach-role-policy --role-name getting-started-eks-role-nodes --policy-arn arn:aws:iam::aws:policy/AmazonEKS_CNI_Policy
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aws iam detach-role-policy --role-name getting-started-eks-role-nodes --policy-arn arn:aws:iam::aws:policy/AmazonEC2ContainerRegistryReadOnly
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aws iam delete-role --role-name getting-started-eks-role-nodes
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aws cloudformation delete-stack --stack-name getting-started-eks
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```
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129
kubernetes/cloud/azure/getting-started.md
Normal file
129
kubernetes/cloud/azure/getting-started.md
Normal file
@ -0,0 +1,129 @@
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# Getting Started with AKS
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## Azure CLI
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```
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# Run Azure CLI
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docker run -it --rm -v ${PWD}:/work -w /work --entrypoint /bin/sh mcr.microsoft.com/azure-cli:2.6.0
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cd ./kubernetes/cloud/azure
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```
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## Login to Azure
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```
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#login and follow prompts
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az login
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# view and select your subscription account
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az account list -o table
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SUBSCRIPTION=<id>
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az account set --subscription <SubscriptionId-id-here>
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```
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## Create our Resource Group
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```
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RESOURCEGROUP=aks-getting-started
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az group create -n $RESOURCEGROUP -l australiaeast
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```
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## Create Service Principal
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|
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Kubernetes needs a service account to manage our Kubernetes cluster </br>
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Lets create one! </br>
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```
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SERVICE_PRINCIPAL_JSON=$(az ad sp create-for-rbac --skip-assignment --name aks-getting-started-sp -o json)
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#Keep the `appId` and `password` for later use!
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SERVICE_PRINCIPAL=$(echo $SERVICE_PRINCIPAL_JSON | jq -r '.appId')
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SERVICE_PRINCIPAL_SECRET=$(echo $SERVICE_PRINCIPAL_JSON | jq -r '.password')
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#grant contributor role over the resource group to our service principal
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az role assignment create --assignee $SERVICE_PRINCIPAL \
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--scope "/subscriptions/$SUBSCRIPTION/resourceGroups/$RESOURCEGROUP" \
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--role Contributor
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```
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For extra reference you can also take a look at the Microsoft Docs: [here](https://github.com/MicrosoftDocs/azure-docs/blob/master/articles/aks/kubernetes-service-principal.md) </br>
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## Create our cluster
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||||
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```
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#full list of options
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az aks create --help
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az aks get-versions --location australiaeast -o table
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#generate SSH key
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ssh-keygen -t rsa -b 4096 -N "VeryStrongSecret123!" -C "your_email@example.com" -q -f ~/.ssh/id_rsa
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cp ~/.ssh/id_rsa* .
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az aks create -n aks-getting-started \
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--resource-group $RESOURCEGROUP \
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--location australiaeast \
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--kubernetes-version 1.16.9 \
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--load-balancer-sku standard \
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--nodepool-name default \
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--node-count 1 \
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--node-vm-size Standard_E4s_v3 \
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--node-osdisk-size 250 \
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--ssh-key-value ./id_rsa.pub \
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--network-plugin kubenet \
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--service-principal $SERVICE_PRINCIPAL \
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--client-secret $SERVICE_PRINCIPAL_SECRET \
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--output none
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|
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# if your SP key is invalid, generate a new one:
|
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SERVICE_PRINCIPAL_SECRET=(az ad sp credential reset --name $SERVICE_PRINCIPAL | jq -r '.password')
|
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```
|
||||
|
||||
## Get a kubeconfig for our cluster
|
||||
|
||||
```
|
||||
# use --admin for admin credentials
|
||||
# use without `--admin` to get no priviledged user.
|
||||
|
||||
az aks get-credentials -n aks-getting-started \
|
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--resource-group $RESOURCEGROUP
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|
||||
#grab the config if you want it
|
||||
cp ~/.kube/config .
|
||||
|
||||
```
|
||||
|
||||
## Get kubectl
|
||||
|
||||
```
|
||||
curl -LO https://storage.googleapis.com/kubernetes-release/release/`curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt`/bin/linux/amd64/kubectl
|
||||
chmod +x ./kubectl
|
||||
mv ./kubectl /usr/local/bin/kubectl
|
||||
|
||||
cd ../..
|
||||
|
||||
kubectl create ns example-app
|
||||
|
||||
# lets create some resources.
|
||||
kubectl apply -n example-app -f secrets/secret.yaml
|
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kubectl apply -n example-app -f configmaps/configmap.yaml
|
||||
kubectl apply -n example-app -f deployments/deployment.yaml
|
||||
|
||||
# remember to change the `type: LoadBalancer`
|
||||
kubectl apply -n example-app -f services/service.yaml
|
||||
|
||||
```
|
||||
|
||||
## Clean up
|
||||
|
||||
```
|
||||
az group delete -n $RESOURCEGROUP
|
||||
az ad sp delete --id $SERVICE_PRINCIPAL
|
||||
```
|
||||
104
kubernetes/cloud/digitalocean/getting-started.md
Normal file
104
kubernetes/cloud/digitalocean/getting-started.md
Normal file
@ -0,0 +1,104 @@
|
||||
# Getting Started with DGO
|
||||
|
||||
## Trial Account
|
||||
|
||||
Coupon Link to get $100 credit for 60 days: <br/>
|
||||
https://m.do.co/c/74a1c5d63dac
|
||||
|
||||
## Digital Ocean CLI
|
||||
|
||||
https://hub.docker.com/r/digitalocean/doctl
|
||||
|
||||
```
|
||||
# Digital Ocean CLI
|
||||
docker run -it --rm -v ${PWD}:/work -w /work --entrypoint /bin/bash digitalocean/doctl:1.45.0
|
||||
mv /app/doctl /usr/local/bin/
|
||||
cd ./kubernetes/cloud/digitalocean
|
||||
|
||||
```
|
||||
|
||||
## Login to DGO
|
||||
|
||||
```
|
||||
#login and follow prompts
|
||||
doctl auth init
|
||||
doctl auth list
|
||||
|
||||
```
|
||||
|
||||
## Create a new project
|
||||
|
||||
```
|
||||
doctl projects create --name getting-started-dgo --purpose testing
|
||||
doctl projects list
|
||||
# grab the project ID
|
||||
```
|
||||
|
||||
## Gather our options
|
||||
|
||||
https://www.digitalocean.com/docs/kubernetes/
|
||||
|
||||
```
|
||||
doctl kubernetes options
|
||||
doctl kubernetes options regions
|
||||
doctl kubernetes options versions
|
||||
|
||||
```
|
||||
|
||||
## Create our cluster
|
||||
|
||||
```
|
||||
|
||||
|
||||
|
||||
|
||||
# full list of options
|
||||
doctl kubernetes cluster create --help
|
||||
|
||||
doctl kubernetes cluster create dgo-getting-started \
|
||||
--version 1.17.5-do.0 \
|
||||
--count 1 \
|
||||
--size s-1vcpu-2gb \
|
||||
--region sgp1
|
||||
|
||||
```
|
||||
|
||||
## Get a kubeconfig for our cluster
|
||||
|
||||
```
|
||||
doctl kubernetes cluster kubeconfig save dgo-getting-started
|
||||
|
||||
#grab the config if you want it
|
||||
cp ~/.kube/config .
|
||||
|
||||
```
|
||||
|
||||
## Get kubectl
|
||||
|
||||
```
|
||||
curl -LO https://storage.googleapis.com/kubernetes-release/release/`curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt`/bin/linux/amd64/kubectl
|
||||
chmod +x ./kubectl
|
||||
mv ./kubectl /usr/local/bin/kubectl
|
||||
|
||||
cd ../..
|
||||
|
||||
|
||||
kubectl create ns example-app
|
||||
|
||||
# lets create some resources.
|
||||
kubectl apply -n example-app -f secrets/secret.yaml
|
||||
kubectl apply -n example-app -f configmaps/configmap.yaml
|
||||
kubectl apply -n example-app -f deployments/deployment.yaml
|
||||
|
||||
# remember to change the `type: LoadBalancer`
|
||||
kubectl apply -n example-app -f services/service.yaml
|
||||
|
||||
```
|
||||
|
||||
## Clean up
|
||||
|
||||
```
|
||||
doctl kubernetes cluster delete dgo-getting-started
|
||||
|
||||
# remember to delete the load balancer manually!
|
||||
```
|
||||
95
kubernetes/cloud/google/getting-started.md
Normal file
95
kubernetes/cloud/google/getting-started.md
Normal file
@ -0,0 +1,95 @@
|
||||
# Getting Started with GKE
|
||||
|
||||
## Google Cloud CLI
|
||||
|
||||
https://hub.docker.com/r/google/cloud-sdk/
|
||||
|
||||
```
|
||||
# Run Google Cloud CLI
|
||||
docker run -it --rm -v ${PWD}:/work -w /work --entrypoint /bin/bash google/cloud-sdk:160.0.0
|
||||
|
||||
cd ./kubernetes/cloud/google
|
||||
|
||||
```
|
||||
|
||||
## Login to GCloud
|
||||
|
||||
```
|
||||
#login and follow prompts
|
||||
gcloud auth login
|
||||
|
||||
gcloud projects list
|
||||
|
||||
gcloud projects create getting-started-gke
|
||||
gcloud config set project getting-started-gke
|
||||
|
||||
```
|
||||
|
||||
## Enable APIs for your Project.
|
||||
|
||||
You may be prompted to enable APIs in Google Console for your project in order to proceed.
|
||||
Follow the prompts.
|
||||
|
||||
## Create our cluster
|
||||
|
||||
Machine types : https://cloud.google.com/compute/docs/machine-types
|
||||
|
||||
```
|
||||
# machine types
|
||||
gcloud compute machine-types list > machine-types.log
|
||||
|
||||
# Get k8s versions for your zone
|
||||
gcloud container get-server-config --zone australia-southeast1-c
|
||||
|
||||
# full list of options
|
||||
gcloud container clusters create --help
|
||||
|
||||
gcloud container clusters create gke-getting-started \
|
||||
--cluster-version 1.16.8-gke.15 \
|
||||
--disk-size 200 \
|
||||
--num-nodes 1 \
|
||||
--machine-type e2-small \
|
||||
--no-enable-cloud-endpoints \
|
||||
--no-enable-cloud-logging \
|
||||
--no-enable-cloud-monitoring \
|
||||
--zone australia-southeast1-c
|
||||
|
||||
```
|
||||
|
||||
## Get a kubeconfig for our cluster
|
||||
|
||||
```
|
||||
gcloud container clusters get-credentials gke-getting-started --zone australia-southeast1-c
|
||||
|
||||
#grab the config if you want it
|
||||
cp ~/.kube/config .
|
||||
|
||||
```
|
||||
|
||||
## Get kubectl
|
||||
|
||||
```
|
||||
curl -LO https://storage.googleapis.com/kubernetes-release/release/`curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt`/bin/linux/amd64/kubectl
|
||||
chmod +x ./kubectl
|
||||
mv ./kubectl /usr/local/bin/kubectl
|
||||
|
||||
cd ../..
|
||||
|
||||
|
||||
kubectl create ns example-app
|
||||
|
||||
# lets create some resources.
|
||||
kubectl apply -n example-app -f secrets/secret.yaml
|
||||
kubectl apply -n example-app -f configmaps/configmap.yaml
|
||||
kubectl apply -n example-app -f deployments/deployment.yaml
|
||||
|
||||
# remember to change the `type: LoadBalancer`
|
||||
kubectl apply -n example-app -f services/service.yaml
|
||||
|
||||
```
|
||||
|
||||
## Clean up
|
||||
|
||||
```
|
||||
gcloud container clusters delete gke-getting-started --zone australia-southeast1-c
|
||||
```
|
||||
4
kubernetes/cloud/linode/dockerfile
Normal file
4
kubernetes/cloud/linode/dockerfile
Normal file
@ -0,0 +1,4 @@
|
||||
FROM python:3.8.3-alpine3.12
|
||||
|
||||
RUN apk add --no-cache bash curl
|
||||
RUN pip3 install linode-cli==2.15.0
|
||||
101
kubernetes/cloud/linode/getting-started.md
Normal file
101
kubernetes/cloud/linode/getting-started.md
Normal file
@ -0,0 +1,101 @@
|
||||
# Getting Started with Linode
|
||||
|
||||
## Trial Account
|
||||
|
||||
Promo Link to get $20 credit to try out Linode: <br/>
|
||||
https://login.linode.com/signup?promo=DOCS20AA00X1
|
||||
|
||||
## Linode CLI
|
||||
|
||||
At the time of this video there is not docker image for Linode CLI, so lets make our own :) <br/>
|
||||
Take a look at the dockerfile in this folder.
|
||||
|
||||
```
|
||||
# Linode CLI
|
||||
|
||||
# Run this from the root of the repo!
|
||||
|
||||
docker run -it --rm -v ${PWD}:/work -w /work --entrypoint /bin/bash aimvector/linode:2.15.0
|
||||
cd ./kubernetes/cloud/linode
|
||||
|
||||
```
|
||||
|
||||
## Login to Linode
|
||||
|
||||
```
|
||||
#login and follow prompts
|
||||
linode-cli
|
||||
|
||||
```
|
||||
|
||||
## Gather our options
|
||||
|
||||
https://www.linode.com/docs/platform/api/linode-cli/
|
||||
|
||||
```
|
||||
linode-cli lke --help
|
||||
|
||||
linode-cli regions list --text
|
||||
linode-cli lke versions-list
|
||||
linode-cli linodes list --region ap-south
|
||||
|
||||
```
|
||||
|
||||
## Create our cluster
|
||||
|
||||
https://www.linode.com/docs/platform/api/linode-cli/#linode-kubernetes-engine-lke
|
||||
|
||||
```
|
||||
|
||||
# full list of options
|
||||
linode-cli lke cluster-create --help
|
||||
|
||||
linode-cli lke cluster-create \
|
||||
--label getting-started-lke \
|
||||
--region ap-south \
|
||||
--k8s_version 1.16 \
|
||||
--node_pools.type g6-standard-2 --node_pools.count 1 \
|
||||
--tags marcel
|
||||
|
||||
```
|
||||
|
||||
## Get a kubeconfig for our cluster
|
||||
|
||||
```
|
||||
linode-cli lke clusters-list
|
||||
|
||||
linode-cli lke kubeconfig-view <id>
|
||||
```
|
||||
|
||||
Download a kubeconfig from the [dashboard](https://cloud.linode.com/kubernetes/clusters) <br/>
|
||||
Rename and drop it into `./kubernetes/cloud/linode/config.yaml`
|
||||
|
||||
## Get kubectl
|
||||
|
||||
```
|
||||
curl -LO https://storage.googleapis.com/kubernetes-release/release/`curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt`/bin/linux/amd64/kubectl
|
||||
chmod +x ./kubectl
|
||||
mv ./kubectl /usr/local/bin/kubectl
|
||||
|
||||
export KUBECONFIG=/work/kubernetes/cloud/linode/config.yaml
|
||||
|
||||
kubectl create ns example-app
|
||||
|
||||
# lets create some resources.
|
||||
kubectl apply -n example-app -f /work/kubernetes/secrets/secret.yaml
|
||||
kubectl apply -n example-app -f /work/kubernetes/configmaps/configmap.yaml
|
||||
kubectl apply -n example-app -f /work/kubernetes/deployments/deployment.yaml
|
||||
|
||||
# remember to change the `type: LoadBalancer`
|
||||
kubectl apply -n example-app -f /work/kubernetes/services/service.yaml
|
||||
|
||||
```
|
||||
|
||||
## Clean up
|
||||
|
||||
```
|
||||
linode-cli lke clusters-list
|
||||
linode-cli lke cluster-delete <id>
|
||||
|
||||
# remember to delete the load balancer manually!
|
||||
```
|
||||
9
kubernetes/cloud/readme.md
Normal file
9
kubernetes/cloud/readme.md
Normal file
@ -0,0 +1,9 @@
|
||||
# Kubernetes in the Cloud
|
||||
|
||||
## Introduction to Kubernetes on Cloud Providers
|
||||
|
||||
Microsoft Azure [here](./azure/getting-started.md) <br/>
|
||||
Digital Ocean [here](./digitalocean/getting-started.md) <br/>
|
||||
Linode Cloud [here](./linode/getting-started.md) <br/>
|
||||
Amazon Web Services [here](./amazon/getting-started.md) <br/>
|
||||
Google Cloud [here](./google/getting-started.md) <br/>
|
||||
@ -5,7 +5,7 @@ metadata:
|
||||
labels:
|
||||
app: example-app
|
||||
spec:
|
||||
type: ClusterIP
|
||||
type: LoadBalancer
|
||||
selector:
|
||||
app: example-app
|
||||
ports:
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user