55 lines
1.8 KiB
Bash
Executable file
55 lines
1.8 KiB
Bash
Executable file
#!/usr/bin/env sh
|
|
|
|
# Configurable Variables
|
|
DOCKER_SOCK_PATH="${DOCKER_SOCK_PATH:-/tmp/docker.sock}"
|
|
NETWORK_NAME="${NETWORK_NAME:-proxy}"
|
|
# Path to Docker Templater and Templates
|
|
TEMPLATER_PATH="/docker-templater.sh"
|
|
TEMPLATE_FOLDER_PATH="/templates"
|
|
|
|
get_date() {
|
|
printf '%s' "$(date +'%Y.%m.%d_%H:%M:%S')"
|
|
}
|
|
|
|
query_docker () {
|
|
curl --unix-socket $DOCKER_SOCK_PATH --silent -g http://v1.41/$1$2
|
|
}
|
|
|
|
update_templates() {
|
|
CONTAINER_LIST=$(query_docker "containers/json" "?filters={%22network%22:[%22${NETWORK_NAME}%22],%22status%22:[%22running%22]}")
|
|
LABELS_NEW="$(echo "${CONTAINER_LIST}" | jq '.[].Labels | to_entries | map(select(.key | startswith("local.")) | .key + .value) | sort | .[] | @base64')"
|
|
if [ "${LABELS_NEW}" != "${LABELS_OLD}" ]
|
|
then
|
|
if [ -n "${LABELS_OLD}" ]
|
|
then
|
|
printf '%s | Container label list change detected.\n' "$(get_date)"
|
|
fi
|
|
LABELS_OLD="${LABELS_NEW}"
|
|
for template in "${TEMPLATE_FOLDER_PATH}"/*
|
|
do
|
|
if ! "${TEMPLATER_PATH}" "${template}" "${CONTAINER_LIST}"
|
|
then
|
|
printf '%s | Error Processing Template: %s\n' "$(get_date)" "${template}"
|
|
fi
|
|
done
|
|
fi
|
|
}
|
|
|
|
# Initial Generation
|
|
update_templates
|
|
|
|
LAST_CHECK="$(date +%s)"
|
|
while true
|
|
do
|
|
EVENTS=""
|
|
printf '%s | Listening for docker events\n' "$(get_date)"
|
|
while [ -z "${EVENTS}" ]
|
|
do
|
|
NEXT_CHECK="$(($(date +%s) + 5))"
|
|
EVENTS=$(query_docker 'events' "?since=${LAST_CHECK}&until=${NEXT_CHECK}&filters={%22event%22:[%22die%22,%22kill%22,%22oom%22,%22pause%22,%22restart%22,%22start%22,%22stop%22,%22unpause%22,%22update%22]}")
|
|
LAST_CHECK="${NEXT_CHECK}"
|
|
done
|
|
printf '%s | Checking for changes in container label list.\n' "$(get_date)"
|
|
update_templates
|
|
done
|