Kubectl

Configure namespace

export YOUR_NAMESPACE="smilo-test"
kubectl config set-context $(kubectl config current-context) --namespace=$YOUR_NAMESPACE

Get pods

watch "k3s kubectl get pods"
kubectl get pods --all-namespaces

Describe pod

kubectl describe pod 

Install kubetail

wget https://github.com/johanhaleby/kubetail/archive/1.6.10.tar.gz
tar -zxf 1.6.10.tar.gz
cd kubetail-1.6.10/
cp kubetail /usr/local/bin/
chmod 775 /usr/local/bin/

Tail for logs

kubetail smilo-node1

K3S

Install k3s on master

curl -sfL https://get.k3s.io | sh -

Get token

cat /var/lib/rancher/k3s/server/node-token

Install agent on another server

curl -sfL https://get.k3s.io | K3S_URL=https://$KUBERNETES_MASTER:6443 K3S_TOKEN=$NODE_TOKEN sh -

Restart / status

sudo service k3s status
sudo service k3s restart

Firewall

Configure firewall

sudo ufw allow proto tcp from any to any port 80,443
sudo ufw allow proto tcp from $IP_ADDRESS to any port 6443
ufw default deny incoming
ufw enable

ufw status verbose
ufw status verbose numbered
ufw delete v6

Operations

Create smilo deployment

kubectl apply -f 7nodes/smilobft-7nodes-blackbox/k8s-yaml/

Delete smilo deployment and blockchain files

kubectl delete -f 7nodes/smilobft-7nodes-blackbox/k8s-yaml/
rm -rf /var/lib/docker/geth-storage/*

SSH into node1

POD_NAME=$(kubectl get pods | grep node1 | awk '{print $1}')
kubectl  exec -it $POD_NAME -c smilo /bin/ash

Tail log inside the node1

tail -f /etc/smilo/sdata/logs/smilo.log

GETH

Get block number

watch "geth --exec eth.blockNumber attach ipc:/etc/smilo/sdata/dd/geth.ipc"
geth --exec eth.blockNumber attach ipc:/etc/smilo/sdata/dd/geth.ipc

Get balance

watch "geth --exec 'eth.getBalance(eth.accounts[0])'" attach ipc:/etc/smilo/sdata/dd/geth.ipc

Get SmiloPay

watch "geth --exec 'eth.getSmiloPay(eth.accounts[0])'"  attach ipc:/etc/smilo/sdata/dd/geth.ipc

Show connected peers

watch "geth --exec admin.peers attach ipc:/etc/smilo/sdata/dd/geth.ipc"

Attach to console

geth attach /etc/smilo/sdata/dd/geth.ipc

Blackbox

Check if node is online with get inside the box:

rm -rf upcheck && wget http://localhost:9001/upcheck && cat upcheck
rm -rf upcheck && wget http://10.42.1.204:9001/upcheck && cat upcheck

Check for config files

cat /etc/smilo/sdata/tm/blackbox-config-with-hosts.json

Run smart contracts

cd /etc/quorum/qdata/contracts
./runscript.sh public_contract.js
./runscript.sh private_contract.js

Minikube

• Install minikube

Start

minikube start --memory 6144

SSH into

minikube ssh

Stop

minikube stop

Delete

minikube delete

Common tasks

Install ruby:

curl -sSL https://get.rvm.io | bash -s stable
source ~/.rvm/scripts/rvm
rvm install 2.6.3
gem install colorize

Create symlinks

ln -s 7nodes/smilobft-7nodes-blackbox/kubernetes-smilo-smilobft-7nodes.yaml kubernetes-smilo.yaml
ln -s 7nodes/nodes-7.yaml nodes.yaml 

Generate new keys keygen (Smilo & Blackbox)

./smilo-keygen

Generate new keys via init script (Smilo & Blackbox)

• un-comment smilo-init section (line 25 onwards):

# 
# `
# puts ""
# puts "  Generating keys..."
# `
# # generate the keygen script
# # to generate nodekey, account keys, and
# # smilo transaction manger (tm.pub,tm.key) keys.
# ./smilo-keygen
# `