#!/usr/bin/env bash

URL="{{ pillar['podman']['gotify']['url'] }}"
TOKEN="{{ pillar['podman']['gotify']['token'] }}"
TITLE="Updates on $HOSTNAME"
PRIORITY="{{ pillar['podman']['gotify']['priority'] }}"

{% raw -%}
function check_update(){
    IFS=',' read -r -a container_info <<< "$(podman container inspect $1 --format '{{ .Name }},{{ .ImageName }},{{ .Image }}')"

    podman pull "${container_info[1]}"
    if [[ "$(podman image inspect "${container_info[1]}" --format "{{.Id}}")" != "${container_info[2]}" ]];then
        containers[${#containers[@]}]="${container_info[0]}"
    fi
}


IFS=$'\n'
for line in $(podman container ls -q); do
    check_update "$line"
done
if [[ "${#containers[@]}" == "0" ]]; then
    exit
fi

MESSAGE=$(cat << EOM
Following ${#containers[@]} container(s) has updates:
${containers[*]}
EOM
)

curl "$URL/message?token=$TOKEN" -F "title=$TITLE" -F "priority=$PRIORITY" -F "message=$MESSAGE"
echo " "
{% endraw -%}