arch-image-builder/configs/common/systemd-wait-for.yaml

filesystem:
  files:
  - path: /etc/systemd/system/wait-addresses@.service
    content: |
      [Unit]
      Description=Wait for addresses %i
      [Service]
      Type=oneshot
      ExecStart=bash /etc/systemd/scripts/wait-addresses.sh %i 60
      SyslogIdentifier=wait-addresses
      [Install]
      WantedBy=network-online.target      
  - path: /etc/systemd/system/wait-interface@.service
    content: |
      [Unit]
      Description=Wait for interface %i
      [Service]
      Type=oneshot
      ExecStart=bash /etc/systemd/scripts/wait-interface.sh %i 60
      SyslogIdentifier=wait-interface
      [Install]
      WantedBy=network-online.target      
  - path: /etc/systemd/system/wait-reached@.service
    content: |
      [Unit]
      Description=Wait for reached %i
      After=network-online.target
      [Service]
      Type=oneshot
      ExecStart=bash /etc/systemd/scripts/wait-reached.sh %i 60
      SyslogIdentifier=wait-reached
      [Install]
      WantedBy=network-online.target      
  - path: /etc/systemd/scripts/wait-addresses.sh 
    content: |
      #!/usr/bin/bash
      address="$${1}"
      timeout="$${2}"
      [ -z "$${address}" ]&&exit 2
      [ -z "$${timeout}" ]&&timeout=10
      [[ "$${timeout}" -lt 0 ]]&&exit 2
      int=0
      timeout=$$((timeout*5))
      while ! ip address show | grep -w "$${address}" &>/dev/null; do
        int=$$((int+1))
        [[ "$${int}" -gt "$${timeout}" ]]&&exit 1
        sleep 0.2
      done
      true      
  - path: /etc/systemd/scripts/wait-interface.sh
    content: |
      #!/usr/bin/bash
      interface="$${1}"
      timeout="$${2}"
      [ -z "$${interface}" ]&&exit 2
      [ -z "$${timeout}" ]&&timeout=10
      [[ "$${timeout}" -lt 0 ]]&&exit 2
      int=0
      timeout=$$((timeout*5))
      while ! [ -h "/sys/class/net/$${interface}" ]; do
        int=$$((int+1))
        [[ "$${int}" -gt "$${timeout}" ]]&&exit 1
        sleep 0.2
      done
      true      
  - path: /etc/systemd/scripts/wait-reached.sh
    content: |
      #!/usr/bin/bash
      address="$${1}"
      stimeout="$${2}"
      [ -z "$${address}" ]&&exit 2
      [ -z "$${stimeout}" ]&&stimeout=10
      [[ "$${stimeout}" -lt 0 ]]&&exit 2
      int=0
      while ! timeout 1s ping -c 1 -W 1 "$${address}" &>/dev/null; do
      int=$$((int+1))
        [[ "$${int}" -gt "$${stimeout}" ]]&&exit 1
        sleep 0.5
      done
      true