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dokku/plugins/haproxy-vhosts/docker-args-process-deploy
2023-02-11 06:09:50 -05:00

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#!/usr/bin/env bash
source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
source "$PLUGIN_AVAILABLE_PATH/haproxy-vhosts/internal-functions"
set -eo pipefail
[[ $DOKKU_TRACE ]] && set -x
trigger-haproxy-vhosts-docker-args-process-deploy() {
declare desc="nginx-vhosts core-post-deploy plugin trigger"
declare trigger="docker-args-process-deploy"
declare APP="$1" IMAGE_SOURCE_TYPE="$2" IMAGE_TAG="$3" PROC_TYPE="$4" CONTAINER_INDEX="$5"
local app_domains haproxy_domains is_app_listening letsencrypt_email output proxy_container_port proxy_host_port port_map proxy_port_map proxy_scheme proxy_schemes scheme tls_internal
local proxy_container_http_port proxy_container_http_port_candidate proxy_host_http_port_candidate
local proxy_container_https_port proxy_container_https_port_candidate proxy_host_https_port_candidate
local app_urls_path="$DOKKU_ROOT/$APP/URLS"
local STDIN=$(cat)
if [[ "$PROC_TYPE" != "web" ]]; then
return
fi
if [[ "$(plugn trigger proxy-type "$APP")" != "haproxy" ]]; then
return
fi
if [[ "$(plugn trigger proxy-is-enabled "$APP")" != "true" ]]; then
return
fi
if ! plugn trigger domains-vhost-enabled "$APP" 2>/dev/null; then
return
fi
# run this silently or the output will be set as a label
plugn trigger domains-setup "$APP" >/dev/null
# ensure we have a port mapping
plugn trigger proxy-configure-ports "$APP"
app_domains="$(plugn trigger domains-list "$APP")"
if [[ -n "$app_domains" ]]; then
haproxy_domains="$(echo "$app_domains" | xargs)"
haproxy_domains="${haproxy_domains// /,}"
fi
output=""
# gather port mapping information
is_app_listening="false"
proxy_port_map="$(plugn trigger config-get "$APP" DOKKU_PROXY_PORT_MAP)"
for port_map in $proxy_port_map; do
proxy_scheme="$(awk -F ':' '{ print $1 }' <<<"$port_map")"
proxy_host_port="$(awk -F ':' '{ print $2 }' <<<"$port_map")"
proxy_container_port="$(awk -F ':' '{ print $3 }' <<<"$port_map")"
# ignore https for now
if [[ "$proxy_scheme" != "http" ]] && [[ "$proxy_scheme" != "tcp" ]]; then
continue
fi
# ignore 443 for now
if [[ "$proxy_host_port" == "443" ]]; then
continue
fi
# ignore everything but 80 for now
if [[ "$proxy_host_port" != "80" ]]; then
continue
fi
is_app_listening="true"
output="$output --label haproxy.$APP-$PROC_TYPE.mode=$proxy_scheme"
output="$output --label haproxy.$APP-$PROC_TYPE.port=$proxy_host_port"
output="$output --label haproxy.$APP-$PROC_TYPE.localport=$proxy_container_port"
output="$output --label haproxy.$APP-$PROC_TYPE.host=$haproxy_domains"
done
# add the labels for haproxy here
# prefer the https:443 mapping to http:80 mapping
if [[ -n "$is_app_listening" ]] && [[ -n "$haproxy_domains" ]]; then
scheme="http"
echo "# THIS FILE IS GENERATED BY DOKKU - DO NOT EDIT, YOUR CHANGES WILL BE OVERWRITTEN" >"$app_urls_path"
xargs -I{} echo "$scheme://{}" <<<"$(echo "${app_domains}" | tr ' ' '\n' | sort -u)" >>"$app_urls_path"
fi
echo -n "$STDIN$output"
}
trigger-haproxy-vhosts-docker-args-process-deploy "$@"