Update cluster-deploy
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cluster-deploy
159
cluster-deploy
@ -12,28 +12,24 @@
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PID=$$
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SCRIPTNAME="$(basename $0)"
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WORKER_LIST="worker.list"
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IP=""
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EXTERNAL=false
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MASTER_IP=""
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TOKEN=""
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HASH=""
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KUBERNETES_VERFILE="kubernetes.version"
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DOCKER_VERFILE="docker.version"
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DOCKER_VERSION=$(echo $(cat $DOCKER_VERFILE)|tr -d '\n')
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KUBERNETES_VERSION=$(echo $(cat $KUBERNETES_VERFILE)|tr -d '\n')
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# Functions
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#FIXME Write usage message
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function usage {
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cat << EOF
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Usage: $SCRIPTNAME <CNI>
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Available CNI plugins:
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Usage: $SCRIPTNAME [--external|-e] <CNI>
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--external|-e : Initizalize Kubernetes on the external network
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instead of on an internal one
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Available <CNI> plugins:
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* Calico
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* Cilium
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* Flannel
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* WeaveNet
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EOF
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}
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@ -57,30 +53,22 @@ function wait_for_podnetwork {
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done
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}
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## Check files from parameters
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# Preflight checks
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## Check file from parameters
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if [ ! -f $WORKER_LIST ]; then
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echo_err "Worker list file ($WORKER_LIST) not exists."
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exit 1
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else if [ ! -s $WORKER_LIST ]; then
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fi
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## Check the file contents
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if [ ! -s $WORKER_LIST ]; then
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echo_err "Worker list file ($WORKER_LIST) is empty."
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fi
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exit 1
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fi
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if [ ! -f $DOCKER_VERFILE ]; then
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echo_err "Docker version file ($DOCKER_VERFILE) not exists."
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exit 1
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else if [ ! -s $DOCKER_VERFILE ]; then
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echo_err "Docker version file ($DOCKER_VERFILE) is empty."
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fi
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fi
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if [ ! -f $KUBERNETES_VERFILE ]; then
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echo_err "Kubernetes version file ($DOCKER_VERFILE) not exists."
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exit 1
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else if [ ! -s $DOCKER_VERFILE ]; then
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echo_err "Kubernetes version file ($DOCKER_VERFILE) is empty."
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fi
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fi
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## Create array from file
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readarray WORKER < $WORKER_LIST
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## Check for argument
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if [ "$#" -lt 1 ]; then
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@ -88,62 +76,95 @@ if [ "$#" -lt 1 ]; then
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exit 1
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fi
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# Make the letters of the argument lowercase
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CNI=$(tr '[:upper:]' '[:lower:]' <<< $1)
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## Setup Kubernetes
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./deploy/kubernetes_install.sh $DOCKER_vERSION $KUBERNETES_VERSION
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## Initialize Master and install CNI plugin
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case $CNI in
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### Setup Calico
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calico) echo "[CNI] Installing Calico... ";
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./deploy/calico_setup.sh;
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echo "[CNI]" Calico installion is completed.;;
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### Setup Cilium
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cilium) echo "[CNI] Installing Cilium... ";
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./deploy/cilium_setup.sh;
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echo "[CNI]" Cilium installion is completed.;;
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### Setup Flannel
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flannel) echo "[CNI] Installing Flannel... ";
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./deploy/flannel_setup.sh;
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echo "[CNI]" Flannel installion is completed.;;
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### Setup WeaveNet
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weavenet) echo "[CNI] Installing WeaveNet... ";
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./deploy/weavenet_setup.sh;
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echo "[CNI]" WeaveNet installion is completed.;;
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## Check for help parameter
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for i in "$@"
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do
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### Make the letters of the argument lowercase
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i=$(tr '[:upper:]' '[:lower:]' <<< $i)
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case $i in
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### Print out help message
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help) usage; exit 0;;
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help|h|-h|--help) usage; exit 0;;
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esac
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done
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## Check parameters and setup variables for Kubernetes installation
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for i in "$@"
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do
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### Make the letters of the argument lowercase
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i=$(tr '[:upper:]' '[:lower:]' <<< $i)
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case $i in
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### Kubernetes network usage (internal|external)
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-e|--external) echo "# Kubernetes will be set up for external network. #";
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EXTERNAL=false;;
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### Set parameters for Calico
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calico) echo "[CNI] Calico selected...";
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CNI="calico";
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POD_NETWORK="192.168.0.0/16";;
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### Set parameters for Cilium
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cilium) echo "[CNI] Cilium selected...";
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CNI="cilium";
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POD_NETWORK="";;
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### Set parameters for Flannel
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flannel) echo "[CNI] Flannel selected...";
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CNI="flannel";
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POD_NETWORK="10.244.0.0/16";;
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### Set parameters for WeaveNet...
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weavenet) echo "[CNI] WeaveNet selected...";
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CNI="weavenet";
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POD_NETWORK="";;
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### Wrong argument, print error message
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*) echo_err "Unknown CNI plugin!";
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*) echo_err "Unkown parameter: $i option is not valid!";
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exit 1;;
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esac
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esac
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done
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## Get Master node IP address
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if [ $EXTERNAL ]; then
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MASTER_IP=$(grep -oP '(?<=src )[^ ]*' \
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<(grep \
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-f <(ls -l /sys/class/net | grep pci | awk '{print $9}') \
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<(ip ro sh) |
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grep -v $(ip ro sh | grep default | awk '{print $5}')) |
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head -1)
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if [ "x$MASTER_IP" == "x" ]; then
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EXTERNAL=false
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MASTER_IP=$(grep -oP '(?<=src )[^ ]*' <(ip ro sh | grep default))
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fi
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else
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MASTER_IP=$(grep -oP '(?<=src )[^ ]*' <(ip ro sh | grep default))
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fi
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## Setup Kubernetes
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./deploy/kubernetes_install.sh master $EXTERNAL $MASTER_IP $POD_NETWORK
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## Install CNI Plugin
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./deploy/${CNI}_setup.sh
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IP=$(ip addr sh dev $(ip ro sh | grep default | awk '{print $5}') scope global | grep inet | awk '{split($2,addresses,"/"); print addresses[1]}')
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#IP=$(ifconfig $(route | grep '^default' | grep -o '[^ ]*$') | grep "inet addr:" | awk '{print $2}' | cut -c6-)
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TOKEN=$(kubeadm token list | tail -n 1 | cut -d ' ' -f 1)
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HASH=sha256:$(openssl x509 -pubkey -in /etc/kubernetes/pki/ca.crt | openssl rsa -pubin -outform der 2>/dev/null | openssl dgst -sha256 -hex | sed 's/^.* //')
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HASH=sha256:$(openssl x509 -pubkey -in /etc/kubernetes/pki/ca.crt |
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openssl rsa -pubin -outform der 2>/dev/null |
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openssl dgst -sha256 -hex |
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sed 's/^.* //')
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#FIXME Do I need local docker-registry?
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#./deploy/docker_registry_setup.sh $IP:5000
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# Join the worker nodes
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for LINE in $(cat $WORKER_LIST | grep -vE "^#"); do
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WORKERNAME=`echo $LINE | awk -F"/" '{print $NF}'`
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for WORKERNAME in ${WORKER[@]}; do
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echo "[worker:$WORKERNAME] Deploying..."
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ssh $WORKERNAME -o "StrictHostKeyChecking no" "bash -s" < ./deploy/kubernetes_install.sh $DOCKER_vERSION $KUBERNETES_VERSION true $IP:6443 $TOKEN $HASH
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ssh $WORKERNAME -o "StrictHostKeyChecking no" \
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"bash -s" < ./deploy/kubernetes_install.sh worker $EXTERNAL $MASTER_IP:6443 $TOKEN $HASH
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#FIXME Do I need to wait for the worker?
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wait_for_worker
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# wait_for_worker
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#FIXME Do I need local docker-registry?
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#ssh $WORKERNAME -o "StrictHostKeyChecking no" "bash -s" < ./deploy/docker_registry_setup.sh $IP:5000
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# ssh $WORKERNAME -o "StrictHostKeyChecking no" "bash -s" < ./deploy/docker_registry_setup.sh $MASTER_IP:5000
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echo "[worker:$WORKERNAME] Deployment is completed."
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done
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