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#!/bin/bash
## Init is run on host
## For now it is run every time the script is launched, but
## it should be launched only once after build.
## Accessible variables are:
## - SERVICE_NAME Name of current service
## - DOCKER_BASE_IMAGE Base image from which this service might be built if any
## - SERVICE_DATASTORE Location on host of the DATASTORE of this service
## - SERVICE_CONFIGSTORE Location on host of the CONFIGSTORE of this service
set -e
service_def=$(get_compose_service_def "$SERVICE_NAME")
keys=$(echo "$service_def" | shyaml -y get-value options.keys 2>/dev/null) || {
err "You must specify a ${WHITE}keys${NORMAL} struct to use this service"
exit 1
}
[ "$(echo "$keys" | shyaml -y get-type 2>/dev/null)" == "struct" ] || {
err "Invalid value type for ${WHITE}keys${NORMAL}, please provide a struct"
exit 1
}
local_path_key=/etc/rsync/keys
host_path_key="$SERVICE_CONFIGSTORE${local_path_key}"
key_nb=0
## ident are unique by construction (they are struct keys)
## but keys need to be also unique
declare -A keys
while read-0 ident key; do
if [ "${keys[$key]}" ]; then
err "Duplicate key: key for ident '$ident' is same as ident '${keys["$key"]}'."
exit 1
fi
if ! [[ "$ident" =~ ^[a-zA-Z0-9._-]+$ ]]; then
err "Invalid identifier '$ident'," \
"please use only alphanumerical char, dots, dash or underscores."
exit 1
fi
debug "Creating access key for ${ident}" || true
echo "$key" | file_put "$host_path_key/${ident}.pub"
keys["$key"]="$ident"
done < <(echo "$keys" | shyaml key-values-0)
init-config-add "\
$SERVICE_NAME:
volumes:
- $host_path_key:$local_path_key:ro
"