K8s/Ingress: Difference between revisions
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===ConfigMap » TCP=== | ===ConfigMap » TCP=== | ||
<syntaxhighlight lang="yaml" highlight="6,13" line> | <syntaxhighlight lang="yaml" highlight="6,13-14" line> | ||
cat << YML | kubectl apply -n ingress-nginx -f - | cat << YML | kubectl apply -n ingress-nginx -f - | ||
--- | --- | ||
| Line 132: | Line 132: | ||
data: | data: | ||
5432: "postgresql/postgresql:5432" | 5432: "postgresql/postgresql:5432" | ||
6379: "redis/redis- | 6379: "redis/redis-headless:6379" | ||
YML | YML | ||
</syntaxhighlight> | </syntaxhighlight> | ||
Revision as of 21:10, 19 August 2024
External
kubectl get ns|grep external
kubectl delete namespace external
kubectl create namespace external
Internal
kubectl get ns|grep internal
kubectl delete namespace internal
kubectl create namespace internal
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cat << YML|kubectl apply -n internal -f -
---
apiVersion: v1
kind: Service
metadata:
name: minikube-host
namespace: internal
labels:
app.kubernetes.io/version: 1.0.0
app.kubernetes.io/managed-by: kubectl
app.kubernetes.io/name: minikube-host
app.kubernetes.io/instance: minikube-host
spec:
type: ExternalName
externalName: host.minikube.internal
YML
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cat << YML | kubectl apply -n internal -f -
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: apache
namespace: internal
labels:
app.kubernetes.io/version: 1.0.0
app.kubernetes.io/managed-by: kubectl
app.kubernetes.io/name: minikube-host
app.kubernetes.io/instance: minikube-host
spec:
ingressClassName: nginx
rules:
- host: "host.k8s.local"
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: minikube-host
port:
number: 2013
YML
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cat << YML | kubectl apply -n internal -f -
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: minio
namespace: internal
labels:
app.kubernetes.io/version: 1.0.0
app.kubernetes.io/managed-by: kubectl
app.kubernetes.io/name: minikube-host
app.kubernetes.io/instance: minikube-host
spec:
ingressClassName: nginx
rules:
- host: "minio.host.k8s.local"
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: minikube-host
port:
number: 9801
- path: /files/
pathType: ImplementationSpecific
backend:
service:
name: minikube-host
port:
number: 9800
YML
|
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ConfigMap
ConfigMap » TCPcat << YML | kubectl apply -n ingress-nginx -f -
---
apiVersion: v1
kind: ConfigMap
metadata:
name: tcp-services
namespace: ingress-nginx
labels:
app.kubernetes.io/component: controller
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
data:
5432: "postgresql/postgresql:5432"
6379: "redis/redis-headless:6379"
YML
|
ConfigMap » UDPcat << YML | kubectl apply -n ingress-nginx -f -
---
apiVersion: v1
kind: ConfigMap
metadata:
name: udp-services
namespace: ingress-nginx
labels:
app.kubernetes.io/component: controller
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
data:
"1194": "internal/minikube-host:1194"
YML
|
Playground
kubectl -n ingress-nginx exec -it svc/ingress-nginx-controller -- cat template/nginx.tmpl
kubectl -n ingress-nginx exec -it svc/ingress-nginx-controller -- cat /etc/resolv.conf
kubectl -n ingress-nginx exec -it svc/ingress-nginx-controller -- cat nginx.conf
kubectl -n ingress-nginx exec -it svc/ingress-nginx-controller -- cat /etc/hosts
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kubectl -n external get endpoints
kubectl -n external get service
kubectl -n external get ingress
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kubectl -n internal get endpoints
kubectl -n internal get service
kubectl -n internal get ingress
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kubectl config get-contexts
sudo -i -u minikube
helm list -A
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kubectl get all -A
kubectl get ns
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kubectl -n ingress-nginx exec -it svc/ingress-nginx-controller -c controller -- bash
kubectl -n ingress-nginx exec -it svc/ingress-nginx-controller -- bash
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