Merge branch 'master' of github.com:LeCoupa/awesome-cheatsheets

README.md

@@ -108,7 +108,7 @@ Feel free to take a look. You might learn new things. They have been designed to
 
 - [Docker](tools/docker.sh)
 - [Heroku CLI](tools/heroku.sh)
-- [Kubernetes](tools/kubernetes.sh)
+- [Kubernetes](tools/kubernetes.md)
 - [Nanobox Boxfile](tools/nanobox_boxfile.yml)
 - [Nanobox CLI](tools/nanobox_cli.sh)
 - [Nginx](tools/nginx.sh)

tools/kubernetes.md

@@ -0,0 +1,179 @@
+# Kubernetes
+
+* PDF: https://sematext.com/kubernetes-cheat-sheet/
+* WEBSITE: https://kubernetes.io/
+* DOCUMENTATION: https://kubernetes.io/docs/home
+
+## Client Configuration
+
+* Setup autocomplete in bash; bash-completion package should be installed first
+```
+source <(kubectl completion bash)
+```
+
+* View Kubernetes config
+```
+kubectl config view
+```
+
+* View specific config items by json path
+```
+kubectl config view -o jsonpath='{.users[?(@.name == "k8s")].user.password}'
+```
+
+* Set credentials for `foo.kuberntes.com`
+```
+kubectl config set-credentials kubeuser/foo.kubernetes.com --username=kubeuser --password=kubepassword
+```
+
+* Set active namespace
+```
+kubectl config set-context --current --namespace=namespace_name
+```
+
+## Viewing, Finding resources
+
+* List all services in the namespace
+```
+kubectl get services
+```
+
+* List all pods in all namespaces in wide format
+```
+kubectl get pods -o wide --all-namespaces
+```
+
+* List all pods in json (or yaml) format
+```
+kubectl get pods -o json
+```
+
+* Describe resource details (node, pod, svc)
+```
+kubectl describe nodes my-node
+```
+
+* List services sorted by name
+```
+kubectl get services --sort-by=.metadata.name
+```
+
+* List pods sorted by restart count
+```
+kubectl get pods --sort-by='.status.containerStatuses[0].restartCount'
+```
+
+* Rolling update pods for frontend-v1
+```
+kubectl rolling-update frontend-v1 -f frontend-v2.json
+```
+
+* Scale a replicaset named 'foo' to 3
+```
+kubectl scale --replicas=3 rs/foo
+```
+
+* Scale a resource specified in "foo.yaml" to 3
+```
+kubectl scale --replicas=3 -f foo.yaml
+```
+
+* Execute a command in every pod / replica
+```
+for i in 0 1; do kubectl exec foo-$i -- sh -c 'echo $(hostname) > /usr/share/nginx/html/index.html'; done
+```
+
+## Manage Resources
+
+* Get documentation for pod or service
+```
+kubectl explain pods,svc
+```
+
+* Create resource(s) like pods, services or daemonsets
+```
+kubectl create -f ./my-manifest.yaml
+```
+
+* Apply a configuration to a resource
+```
+kubectl apply -f ./my-manifest.yaml
+```
+
+* Start a single instance of Nginx
+```
+kubectl run nginx --image=nginx
+```
+
+* Create a secret with several keys
+```
+cat <<EOF | kubectl create -f -
+apiVersion: v1
+kind: Secret
+metadata:
+ name: mysecret
+type: Opaque
+data:
+ password: $(echo "s33msi4" | base64)
+ username: $(echo "jane"| base64)
+EOF
+```
+
+* Delete a resource
+```
+kubectl delete -f ./my-manifest.yaml
+```
+
+## Monitoring & Logging
+
+* Deploy Heapster from Github repository
+```
+kubectl create -f deploy/kube-config/standalone/
+```
+
+* Show metrics for nodes
+```
+kubectl top node
+```
+
+* Show metrics for pods
+```
+kubectl top pod
+```
+
+* Show metrics for a given pod and its containers
+```
+kubectl top pod pod_name --containers
+```
+
+* Dump pod logs (stdout)
+```
+kubectl logs pod_name
+```
+
+* Stream pod container logs (stdout, multi-container case)
+```
+kubectl logs -f pod_name -c my-container
+```
+
+## Interacting with running pods
+
+* Run command in pod
+```
+kubectl exec pod_name -- command_name
+```
+
+* Run command in pod with multiple containers
+```
+kubectl exec pod_name -c container_name -- command_name
+```
+
+* Get terminal of pod
+```
+kubectl exec -it pod_name /bin/sh
+```
+
+* Get terminal of a container running in pod with multiple containers
+```
+kubectl exec -it pod_name -c container_name /bin/sh
+```

tools/kubernetes.sh

@@ -1,117 +0,0 @@
-##############################################################################
-# KUBERNETES
-# PDF: https://sematext.com/kubernetes-cheat-sheet/
-# WEBSITE: https://kubernetes.io/
-# DOCUMENTATION: https://kubernetes.io/docs/home
-##############################################################################
-
-
-##############################################################################
-# CLIENT CONFIGURATION
-##############################################################################
-
-
-# Setup autocomplete in bash; bash-completion package should be installed first
-source <(kubectl completion bash)
-
-# View Kubernetes config
-kubectl config view
-
-# View specific config items by json path
-kubectl config view -o jsonpath='{.users[?(@.name == "k8s")].user.password}'
-
-# Set credentials for foo.kuberntes.com
-kubectl config set-credentials kubeuser/foo.kubernetes.com --username=kubeuser --password=kubepassword
-
-
-##############################################################################
-# VIEWING, FINDING RESOURCES
-##############################################################################
-
-
-# List all services in the namespace
-kubectl get services
-
-# List all pods in all namespaces in wide format
-kubectl get pods -o wide --all-namespaces
-
-# List all pods in json (or yaml) format
-kubectl get pods -o json
-
-# Describe resource details (node, pod, svc)
-kubectl describe nodes my-node
-
-# List services sorted by name
-kubectl get services --sort-by=.metadata.name
-
-# List pods sorted by restart count
-kubectl get pods --sort-by='.status.containerStatuses[0].restartCount'
-
-# Rolling update pods for frontend-v1
-kubectl rolling-update frontend-v1 -f frontend-v2.json
-
-# Scale a replicaset named 'foo' to 3
-kubectl scale --replicas=3 rs/foo
-
-# Scale a resource specified in "foo.yaml" to 3
-kubectl scale --replicas=3 -f foo.yaml
-
-# Execute a command in every pod / replica
-for i in 0 1; do kubectl exec foo-$i -- sh -c 'echo $(hostname) > /usr/share/nginx/html/index.html'; done
-
-
-##############################################################################
-# MANAGE RESOURCES
-##############################################################################
-
-
-# Get documentation for pod or service
-kubectl explain pods,svc
-
-# Create resource(s) like pods, services or daemonsets
-kubectl create -f ./my-manifest.yaml
-
-# Apply a configuration to a resource
-kubectl apply -f ./my-manifest.yaml
-
-# Start a single instance of Nginx
-kubectl run nginx --image=nginx
-
-# Create a secret with several keys
-cat <<EOF | kubectl create -f -
-apiVersion: v1
-kind: Secret
-metadata:
- name: mysecret
-type: Opaque
-data:
- password: $(echo "s33msi4" | base64)
- username: $(echo "jane"| base64)
-EOF
-
-# Delete a resource
-kubectl delete -f ./my-manifest.yaml
-
-
-##############################################################################
-# MONITORING & LOGGING
-##############################################################################
-
-
-# Deploy Heapster from Github repository
-kubectl create -f deploy/kube-config/standalone/
-
-# Show metrics for nodes
-kubectl top node
-
-# Show metrics for pods
-kubectl top pod
-
-# Show metrics for a given pod and its containers
-kubectl top pod pod_name --containers
-
-# Dump pod logs (stdout)
-kubectl logs pod_name
-
-# Stream pod container logs (stdout, multi-container case)
-kubectl logs -f pod_name -c my-container