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/
change-proc-values-rc.yaml
128 lines (128 loc) · 3.35 KB
/
change-proc-values-rc.yaml
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apiVersion: v1
kind: Service
metadata:
name: default-http-backend
labels:
k8s-app: default-http-backend
spec:
ports:
- port: 80
targetPort: 8080
protocol: TCP
name: http
selector:
k8s-app: default-http-backend
---
apiVersion: v1
kind: ReplicationController
metadata:
name: default-http-backend
spec:
replicas: 1
selector:
k8s-app: default-http-backend
template:
metadata:
labels:
k8s-app: default-http-backend
spec:
terminationGracePeriodSeconds: 60
containers:
- name: default-http-backend
# Any image is permissible as long as:
# 1. It serves a 404 page at /
# 2. It serves 200 on a /healthz endpoint
image: k8s.gcr.io/defaultbackend:1.0
livenessProbe:
httpGet:
path: /healthz
port: 8080
scheme: HTTP
initialDelaySeconds: 30
timeoutSeconds: 5
ports:
- containerPort: 8080
resources:
limits:
cpu: 10m
memory: 20Mi
requests:
cpu: 10m
memory: 20Mi
---
apiVersion: v1
kind: ReplicationController
metadata:
name: nginx-ingress-controller
labels:
k8s-app: nginx-ingress-lb
spec:
replicas: 1
selector:
k8s-app: nginx-ingress-lb
template:
metadata:
labels:
k8s-app: nginx-ingress-lb
name: nginx-ingress-lb
spec:
terminationGracePeriodSeconds: 60
containers:
- image: alpine:3.4
name: sysctl-buddy
# using kubectl exec you can check which other parameters is possible to change
# IPC Namespace: kernel.msgmax, kernel.msgmnb, kernel.msgmni, kernel.sem, kernel.shmall,
# kernel.shmmax, kernel.shmmni, kernel.shm_rmid_forced and Sysctls
# beginning with fs.mqueue.*
# Network Namespace: Sysctls beginning with net.*
#
# kubectl <podname> -c sysctl-buddy -- sysctl -A | grep net
command:
- /bin/sh
- -c
- |
while true; do
sysctl -w net.core.somaxconn=32768
sysctl -w net.ipv4.ip_local_port_range='1024 65535'
sleep 10
done
imagePullPolicy: IfNotPresent
securityContext:
privileged: true
- image: k8s.gcr.io/nginx-ingress-controller:0.8.3
name: nginx-ingress-lb
imagePullPolicy: Always
readinessProbe:
httpGet:
path: /healthz
port: 10254
scheme: HTTP
livenessProbe:
httpGet:
path: /healthz
port: 10254
scheme: HTTP
initialDelaySeconds: 10
timeoutSeconds: 1
# use downward API
env:
- name: POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
ports:
- containerPort: 80
hostPort: 80
- containerPort: 443
hostPort: 443
# we expose 8080 to access nginx stats in url /nginx-status
# this is optional
- containerPort: 8080
hostPort: 8080
args:
- /nginx-ingress-controller
- --default-backend-service=$(POD_NAMESPACE)/default-http-backend