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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")
users_def=$(echo "$service_def" | shyaml get-value options.users 2>/dev/null) || true
users_file="$SERVICE_CONFIGSTORE/etc/sftp-users.conf"
echo | file_put "$users_file"
rm -f "$SERVICE_DATASTORE/home/"*"/.ssh/authorized_keys"
[ "$users_def" ] || exit 0
rm -f "$users_file"
volume_keys=()
while read-0 login user_def; do
key_nb=0
local_path_key="/home/$login/.ssh/keys"
host_path_key="$SERVICE_CONFIGSTORE${local_path_key}"
while read-0 key; do
debug "Creating login key ${key_nb} for '$login'" || true
echo "$key" | file_put "$host_path_key/key_${key_nb}.pub"
((key_nb++)) || true
done < <(echo "$user_def" | shyaml get-values-0 keys)
volume_keys+=("$host_path_key:$local_path_key:ro")
gids=()
while read-0 group; do
if ! group_ent=$(getent group "$group"); then
debug groupadd -K GID_MIN=3000 -K GID_MAX=4000 "$group"
groupadd -K GID_MIN=3000 -K GID_MAX=4000 "$group"
group_ent=$(getent group "$group")
fi
gids+=("$(echo "$group_ent" | cut -f3 -d:)")
done < <(echo "$user_def" | shyaml get-values-0 groups 2>/dev/null)
password=$(echo "$user_def" | shyaml get-value password 2>/dev/null) ||
password=$(gen_password 14)
line="$login:$password::$(echo "${gids[@]}" | tr " " ",")"
debug "Adding line: $line"
echo "$line" >> "$users_file"
done < <(echo "$users_def" | shyaml key-values-0)
init-config-add "\
$SERVICE_NAME:
volumes:
$(for volume in "${volume_keys[@]}"; do
echo " - $volume"
done)
"