What CKS Questions and Answers feature?

se kubectl to create a CSR and approve it.

Get the list of CSRs:

kubectl get csr

Approve the CSR:

kubectl certificate approve myuser

Get the certificateRetrieve the certificate from the CSR:

kubectl get csr/myuser -o yaml

here are the role and role-binding to give john permission to create NEW_CRD resource:

kubectl apply -f roleBindingJohn.yaml --as=john

rolebinding.rbac.authorization.k8s.io/john_external-rosource-rb created

kind: RoleBinding

apiVersion: rbac.authorization.k8s.io/v1

metadata:

name: john_crd

namespace: development-john

subjects:

- kind: User

name: john

apiGroup: rbac.authorization.k8s.io

roleRef:

kind: ClusterRole

name: crd-creation

kind: ClusterRole

apiVersion: rbac.authorization.k8s.io/v1

metadata:

name: crd-creation

rules:

- apiGroups: ["kubernetes-client.io/v1"]

resources: ["NEW_CRD"]

verbs: ["create, list, get"]

$ kubectl get ing -n

NAME HOSTS ADDRESS PORTS AGE

cafe-ingress cafe.com 10.0.2.15 80 25s

$ kubectl describe ing -n

Name: cafe-ingress

Namespace: default

Address: 10.0.2.15

Default backend: default-http-backend:80 (172.17.0.5:8080)

Rules:

Host Path Backends

---- ---- --------

cafe.com

/tea tea-svc:80 ()

/coffee coffee-svc:80 ()

Annotations:

kubectl.kubernetes.io/last-applied-configuration: {"apiVersion":"networking.k8s.io/v1","kind":"Ingress","metadata":{"annotations":{},"name":"cafe-ingress","namespace":"default","selfLink":"/apis/networking/v1/namespaces/default/ingresses/cafe-ingress"},"spec":{"rules":[{"host":"cafe.com","http":{"paths":[{"backend":{"serviceName":"tea-svc","servicePort":80},"path":"/tea"},{"backend":{"serviceName":"coffee-svc","servicePort":80},"path":"/coffee"}]}}]},"status":{"loadBalancer":{"ingress":[{"ip":"169.48.142.110"}]}}}

Events:

Type Reason Age From Message

---- ------ ---- ---- -------

Normal CREATE 1m ingress-nginx-controller Ingress default/cafe-ingress

Normal UPDATE 58s ingress-nginx-controller Ingress default/cafe-ingress

$ kubectl get pods -n

NAME READY STATUS RESTARTS AGE

ingress-nginx-controller-67956bf89d-fv58j 1/1 Running 0 1m

$ kubectl logs -n ingress-nginx-controller-67956bf89d-fv58j

-------------------------------------------------------------------------------

NGINX Ingress controller

Release: 0.14.0

Build: git-734361d

Repository: https://github.com/kubernetes/ingress-nginx

-------------------------------------------------------------------------------

ssh-add ~/.ssh/tempprivate

eval "$(ssh-agent -s)"

cd contrib/terraform/aws

vi terraform.tfvars

terraform init

terraform apply -var-file=credentials.tfvars

ansible-playbook -i ./inventory/hosts ./cluster.yml -e ansible_ssh_user=core -e bootstrap_os=coreos -b --become-user=root --flush-cache -e ansible_user=core

image