From 9fcb5e5fb5ec444438e6ba668607538fdf01b5fa Mon Sep 17 00:00:00 2001
From: Dominik Chilla <43314918+chillout2k@users.noreply.github.com>
Date: Wed, 23 Sep 2020 09:29:06 +0200
Subject: [PATCH] Update README.md
---
README.md | 246 +++++++++++++++++++++++++++---------------------------
1 file changed, 122 insertions(+), 124 deletions(-)
diff --git a/README.md b/README.md
index 2596a04..ce11a99 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,13 @@
# Snippets for k3s
* [Install k3s](#install-k3s)
+* [Namespaces and resource limits](#namespaces)
+ * [devel](#namespace-devel)
+ * [staging](#namespace-staging)
+ * [prod](#namespace-prod)
+* [Persistent volumes](#pv)
+ * [Local provider](#pv-local)
+ * [Longhorn - distributed/lightweight provider](#pv-longhorn)
* [Disable Traefik-ingress](#disable-traefik-ingress)
* [Enable NGINX-ingress](#enable-nginx-ingress)
* [Installation](#install-nginx-ingress)
@@ -11,13 +18,6 @@
* [Stick the nginx-ingress controler and my-nginx app together](#stick-nginx-ingress-and-tcp-service)
* [Test exposed app on TCP-port 9000](#test-nginx-ingress-and-tcp-service)
* [Running DaemonSets on `hostPort`](#running-daemonsets)
-* [Namespaces and resource limits](#namespaces)
- * [devel](#namespace-devel)
- * [staging](#namespace-staging)
- * [prod](#namespace-prod)
-* [Persistent volumes](#pv)
- * [Local provider](#pv-local)
- * [Longhorn - distributed/lightweight provider](#pv-longhorn)
* [HELM charts](#helm)
* [Create a chart](#helm-create)
* [Install local chart without packaging](#helm-install-without-packaging)
@@ -27,12 +27,126 @@
* [Get deployment history](#helm-history)
* [Rollback](#helm-rollback)
+
## Install k3s
https://k3s.io/:
```
curl -sfL https://get.k3s.io | sh -
```
+# Namespaces and resource limits
+## devel
+namespace-devel-limitranges.yaml:
+```
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+ name: devel
+ labels:
+ name: devel
+
+---
+apiVersion: v1
+kind: LimitRange
+metadata:
+ name: limit-range-devel
+ namespace: devel
+spec:
+ limits:
+ - default:
+ cpu: 500m
+ memory: 1Gi
+ defaultRequest:
+ cpu: 10m
+ memory: 4Mi
+ max:
+ cpu: 500m
+ memory: 1Gi
+ min:
+ cpu: 10m
+ memory: 4Mi
+ type: Container
+```
+`kubectl apply -f namespace-devel-limitranges.yaml`
+
+## staging
+namespace-staging.yml:
+```
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+ name: staging
+ labels:
+ name: staging
+```
+`kubectl apply -f namespace-staging.yml`
+
+namespace-staging-limitranges.yaml:
+```
+apiVersion: v1
+kind: LimitRange
+metadata:
+ name: limit-range-staging
+spec:
+ limits:
+ - default:
+ cpu: 500m
+ memory: 1Gi
+ defaultRequest:
+ cpu: 10m
+ memory: 4Mi
+ max:
+ cpu: 500m
+ memory: 1Gi
+ min:
+ cpu: 10m
+ memory: 4Mi
+ type: Container
+```
+`kubectl apply -f namespace-staging-limitranges.yaml -n staging`
+
+## prod
+namespace-prod.yml:
+```
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+ name: prod
+ labels:
+ name: prod
+```
+`kubectl apply -f namespace-prod.yml`
+
+namespace-prod-limitranges.yaml:
+```
+apiVersion: v1
+kind: LimitRange
+metadata:
+ name: limit-range-prod
+spec:
+ limits:
+ - defaultRequest:
+ cpu: 50m
+ memory: 4Mi
+ min:
+ cpu: 50m
+ memory: 4Mi
+ type: Container
+```
+`kubectl apply -f namespace-prod-limitranges.yaml -n prod`
+
+# Persistent Volumes
+## Local provider (local - ouf-of-the-box)
+https://rancher.com/docs/k3s/latest/en/storage/
+
+## Longhorn (lightweight/distributed)
+* Requirements: https://longhorn.io/docs/0.8.0/install/requirements/
+ * Debian: `apt install open-iscsi`
+* Install: https://rancher.com/docs/k3s/latest/en/storage/
+
## Disable Traefik-ingress
edit /etc/systemd/system/k3s.service:
```
@@ -327,122 +441,6 @@ spec:
type: RollingUpdate
```
-# Namespaces and resource limits
-## devel
-namespace-devel.yml:
-```
----
-apiVersion: v1
-kind: Namespace
-metadata:
- name: devel
- labels:
- name: devel
-```
-`kubectl apply -f namespace-devel.yml`
-
-namespace-devel-limitranges.yaml:
-```
-apiVersion: v1
-kind: LimitRange
-metadata:
- name: limit-range-devel
-spec:
- limits:
- - default:
- cpu: 500m
- memory: 1Gi
- defaultRequest:
- cpu: 10m
- memory: 4Mi
- max:
- cpu: 500m
- memory: 1Gi
- min:
- cpu: 10m
- memory: 4Mi
- type: Container
-```
-`kubectl apply -f namespace-devel-limitranges.yaml -n devel`
-
-## staging
-namespace-staging.yml:
-```
----
-apiVersion: v1
-kind: Namespace
-metadata:
- name: staging
- labels:
- name: staging
-```
-`kubectl apply -f namespace-staging.yml`
-
-namespace-staging-limitranges.yaml:
-```
-apiVersion: v1
-kind: LimitRange
-metadata:
- name: limit-range-staging
-spec:
- limits:
- - default:
- cpu: 500m
- memory: 1Gi
- defaultRequest:
- cpu: 10m
- memory: 4Mi
- max:
- cpu: 500m
- memory: 1Gi
- min:
- cpu: 10m
- memory: 4Mi
- type: Container
-```
-`kubectl apply -f namespace-staging-limitranges.yaml -n staging`
-
-## prod
-namespace-prod.yml:
-```
----
-apiVersion: v1
-kind: Namespace
-metadata:
- name: prod
- labels:
- name: prod
-```
-`kubectl apply -f namespace-prod.yml`
-
-namespace-prod-limitranges.yaml:
-```
-apiVersion: v1
-kind: LimitRange
-metadata:
- name: limit-range-prod
-spec:
- limits:
- - defaultRequest:
- cpu: 50m
- memory: 4Mi
- min:
- cpu: 50m
- memory: 4Mi
- type: Container
-```
-`kubectl apply -f namespace-prod-limitranges.yaml -n prod`
-
-# Persistent Volumes
-## Local provider (local - ouf-of-the-box)
-https://rancher.com/docs/k3s/latest/en/storage/
-
-## Longhorn (lightweight/distributed)
-* Requirements: https://longhorn.io/docs/0.8.0/install/requirements/
- * Debian: `apt install open-iscsi`
-* Install: https://rancher.com/docs/k3s/latest/en/storage/
-
-
# HELM charts
Docs:
* https://helm.sh/docs/intro/using_helm/
@@ -573,4 +571,4 @@ NOTES:
export POD_NAME=$(kubectl get pods --namespace default -l "app.kubernetes.io/name=helm-test,app.kubernetes.io/instance=helm-test-dev" -o jsonpath="{.items[0].metadata.name}")
echo "Visit http://127.0.0.1:8080 to use your application"
kubectl --namespace default port-forward $POD_NAME 8080:80
-```
\ No newline at end of file
+```