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alessandro
276
add-on/Istruzioni_kubeedge.txt
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276
add-on/Istruzioni_kubeedge.txt
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Cloudside:
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wget https://github.com/kubeedge/kubeedge/releases/download/v1.17.0/keadm-v1.17.0-linux-amd64.tar.gz
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tar -zxvf keadm-v1.17.0-linux-amd64.tar.gz
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cp keadm-v1.17.0-linux-amd64/keadm/keadm /usr/local/bin/keadm
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keadm init --advertise-address="89.105.78.161" --kubeedge-version=v1.22.0 --kube-config=/root/.kube/config
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keadm manifest generate --advertise-address="89.105.78.161" --kube-config=/root/.kube/config > kubeedge-cloudcore.yaml
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patch:
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cloudcore.yaml: |
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apiVersion: cloudcore.config.kubeedge.io/v1alpha2
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commonConfig:
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monitorServer:
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bindAddress: 127.0.0.1:9091
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tunnelPort: 10354
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featureGates:
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requireAuthorization: false
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kind: CloudCore
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kubectl apply -f kubeedge-cloudcore.yaml -n kubeedge
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kubectl apply -f edgenodeport.yaml -n kubeedge
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----------------------------------------------------------------------------------------------------------------------------------------------------------------------
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Edge Side:
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export KUBEEDGE_VERSION=v1.22.0
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export CLOUD_MASTER_IP=34.132.113.155
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export EDGE_NODE_NAME=edge-node-02
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Step 1 : Download & unpack containerd package
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Containerd versions can be found in this location : https://github.com/containerd/containerd/releases
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Download :
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wget https://github.com/containerd/containerd/releases/download/v1.6.14/containerd-1.6.14-linux-amd64.tar.gz
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Unpack :
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sudo tar Cxzvf /usr/local containerd-1.6.14-linux-amd64.tar.gz
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Step 2 : Install runc
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Runc is a standardized runtime for spawning and running containers on Linux according to the OCI specification
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wget https://github.com/opencontainers/runc/releases/download/v1.1.3/runc.amd64
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sudo install -m 755 runc.amd64 /usr/local/sbin/runc
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Step 3: Download and install CNI plugins :
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wget https://github.com/containernetworking/plugins/releases/download/v1.1.1/cni-plugins-linux-amd64-v1.1.1.tgz
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sudo mkdir -p /opt/cni/bin
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sudo tar Cxzvf /opt/cni/bin cni-plugins-linux-amd64-v1.1.1.tgz
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Step 4: Configure containerd
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Create a containerd directory for the configuration file
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config.toml is the default configuration file for containerd
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Enable systemd group . Use sed command to change the parameter in config.toml instead of using vi editor
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Convert containerd into service
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sudo mkdir /etc/containerd
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containerd config default | sudo tee /etc/containerd/config.toml
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sudo sed -i 's/SystemdCgroup \= false/SystemdCgroup \= true/g' /etc/containerd/config.toml
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sudo curl -L https://raw.githubusercontent.com/containerd/containerd/main/containerd.service -o /etc/systemd/system/containerd.service
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Step 4.1
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remove SystemdCgroup = true line from /etc/containerd/config.toml.
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Step 4.2
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mkdir -p /etc/cni/net.d/
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$ cat >/etc/cni/net.d/10-containerd-net.conflist <<EOF
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{
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"cniVersion": "1.0.0",
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"name": "containerd-net",
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"plugins": [
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{
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"type": "bridge",
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"bridge": "cni0",
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"isGateway": true,
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"ipMasq": true,
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"promiscMode": true,
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"ipam": {
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"type": "host-local",
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"ranges": [
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[{
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"subnet": "10.88.0.0/16"
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}],
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[{
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"subnet": "2001:db8:4860::/64"
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}]
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],
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"routes": [
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{ "dst": "0.0.0.0/0" },
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{ "dst": "::/0" }
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]
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}
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},
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{
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"type": "portmap",
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"capabilities": {"portMappings": true}
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}
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]
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}
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EOF
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Step 5: Start containerd service
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sudo systemctl daemon-reload
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sudo systemctl enable --now containerd
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sudo systemctl status containerd
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step 6: install crictl
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VERSION="v1.35.0" # check latest version in /releases page
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wget https://github.com/kubernetes-sigs/cri-tools/releases/download/$VERSION/crictl-$VERSION-linux-amd64.tar.gz
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sudo tar zxvf crictl-$VERSION-linux-amd64.tar.gz -C /usr/local/bin
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rm -f crictl-$VERSION-linux-amd64.tar.gz
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edge-cleanup.sh:
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#!/bin/bash
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set -euo pipefail
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echo "==== EDGE NODE CLEANUP START ===="
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DATE=$(date)
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echo "Timestamp: $DATE"
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# -------------------------------
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# 1. Kill processi orfani (safe)
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# -------------------------------
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echo "[1] Checking orphan processes..."
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ORPHANS=$(ps -eo pid,ppid,cmd | awk '$2 == 1 {print $1}')
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for PID in $ORPHANS; do
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if [ "$PID" != "1" ]; then
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echo "Killing orphan PID: $PID"
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kill -9 "$PID" 2>/dev/null || true
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fi
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done
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# -------------------------------
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# 2. Cleanup containerd (safe)
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# -------------------------------
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echo "[2] Cleaning containerd..."
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if command -v crictl &> /dev/null; then
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echo "Using crictl..."
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# rimuove solo container stopped
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crictl ps -a --state Exited -q | xargs -r crictl rm || true
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# rimuove pod sandbox non più validi
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crictl pods --state NotReady -q | xargs -r crictl rmp || true
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# pulizia immagini dangling (SAFE)
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crictl rmi --prune || true
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else
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echo "crictl not found, skipping..."
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fi
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# -------------------------------
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# 3. Restart containerd
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# -------------------------------
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echo "[3] Restarting containerd..."
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systemctl restart containerd
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# -------------------------------
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# 4. Cleanup kubelet (soft)
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# -------------------------------
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echo "[4] Cleaning kubelet state (soft)..."
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# Rimuove solo pod non più esistenti
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find /var/lib/kubelet/pods -mindepth 1 -maxdepth 1 -type d -mtime +1 -exec rm -rf {} + || true
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# -------------------------------
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# 5. Restart kube services
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# -------------------------------
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echo "[5] Restarting kubelet + edgecore..."
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systemctl restart kubelet || true
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systemctl restart edgecore || true
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# -------------------------------
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# 6. Verifica connessione CloudCore
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# -------------------------------
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echo "[6] Checking connectivity to CloudCore..."
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CLOUD_IP="89.105.78.161"
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PORT="10002"
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if timeout 5 bash -c "</dev/tcp/$CLOUD_IP/$PORT"; then
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echo "Cloud reachable"
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else
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echo "WARNING: Cloud NOT reachable"
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fi
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# -------------------------------
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# 7. Verifica porte MQTT locali
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# -------------------------------
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echo "[7] Checking MQTT port..."
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ss -tulnp | grep 1883 || echo "WARNING: Mosquitto not listening"
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echo "==== EDGE NODE CLEANUP DONE ===="
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/etc/systemd/system/edge-cleanup.service:
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[Unit]
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Description=Edge Node Cleanup
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After=network.target
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[Service]
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Type=oneshot
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ExecStart=/usr/local/bin/edge-cleanup.sh
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RemainAfterExit=true
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[Install]
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WantedBy=multi-user.target
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chmod +x /usr/local/bin/edge-cleanup.sh
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systemctl daemon-reload
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systemctl enable edge-cleanup
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export KUBEEDGE_VERSION=v1.22.0
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export CLOUD_MASTER_IP=194.110.57.153
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export EDGE_NODE_NAME=edge-node-02
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curl -L https://github.com/kubeedge/kubeedge/releases/download/${KUBEEDGE_VERSION}/keadm-${KUBEEDGE_VERSION}-linux-amd64.tar.gz | tar -xz
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sudo mv keadm-${KUBEEDGE_VERSION}-linux-amd64/keadm/keadm /usr/local/bin/
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sudo keadm join \
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--cloudcore-ipport=${CLOUD_MASTER_IP}:10000 \
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--edgenode-name=${EDGE_NODE_NAME} \
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--token=f871f93cffd630c906bf381dae4496544a111075071abfec060e2db4ab417b6e.eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE3NzUyOTM2NjJ9.xvMdgApjtPDpPm-GShmR6ghjBgvFTJsJf6JTJLeSK08 \
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--kubeedge-version=${KUBEEDGE_VERSION}
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kubectl taint nodes edge-node-02 edgenode=true:NoExecute
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test sensor:
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sudo apt-get install mosquitto-clients
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sensor.sh
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#!/bin/bash
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BROKER="localhost"
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TOPIC="sensors/home/livingroom"
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while true; do
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TEMP=$(awk -v min=20 -v max=30 'BEGIN{srand(); print min+rand()*(max-min)}')
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HUM=$(awk -v min=40 -v max=80 'BEGIN{srand(); print min+rand()*(max-min)}')
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PAYLOAD=$(printf '{"temperature": %.2f, "humidity": %.2f}' $TEMP $HUM)
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echo "Sending: $PAYLOAD"
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mosquitto_pub -h $BROKER -t $TOPIC -m "$PAYLOAD"
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sleep 5
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done
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verifica :
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mosquitto_sub -h localhost -t sensors/home/livingroom
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