cloud-init.txt

#cloud-config

apt:
  preserve_sources_list: true
  sources:
    msft.list:
      source: "deb https://packages.microsoft.com/ubuntu/20.04/prod focal main"
      key: |
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packages:
  - moby-cli
  - moby-engine
runcmd:
  - dcs="', variables('dcs'),'"
  - |
      set -x
      (

        # Wait for docker daemon to start
        while [ $(ps -ef | grep -v grep | grep docker | wc -l) -le 0 ]; do 
          sleep 3
        done

        apt install -y aziot-edge

        if [ ! -z $dcs ]; then
          mkdir /etc/aziot
          wget https://raw.githubusercontent.com/Azure/iotedge-vm-deploy/1.2/config.toml -O /etc/aziot/config.toml
          sed -i "s#\(connection_string = \).*#\1\"$dcs\"#g" /etc/aziot/config.toml
          iotedge config apply -c /etc/aziot/config.toml
        fi

      ) &