fix config

install_service.sh

@@ -21,9 +21,11 @@ SERVICE_GROUP="${SERVICE_GROUP:-$(id -gn "$SERVICE_USER")}"
 #     "service_group"
 #   )
 #
-# Environment variables are rendered into the corresponding systemd service
-# file by service_env_lines(), using the [prod] sections from iot/env.file and
+# IOT_ENV and EFKA_ENV are rendered into the corresponding systemd service
+# file as Environment= lines, using the [prod] sections from iot/env.file and
 # efka/env.file. Directory creation is driven by those service env values.
+# IOT_DIR_ENV_KEYS and EFKA_DIR_ENV_KEYS list env keys whose values are
+# directories that must be created if they do not exist.
 #
 # Use {install_dir}, {work_dir} and {service_name} in commands and directories.
 # service_user and service_group are optional.
@@ -37,6 +39,19 @@ INSTALL_IOT=(
   ""
 )
 
+IOT_ENV=(
+  "IOT_API_URL=http://127.0.0.1/api/v1"
+  "ENDPOINT_ROOT_DIR=/var/lib/endpoint/database/"
+  "ENDPOINT_LOG_PATH=/var/lib/endpoint/endpoint_log"
+  "IOT_MNESIA_DIR=/var/lib/iot/mnesia/"
+)
+
+IOT_DIR_ENV_KEYS=(
+  "ENDPOINT_ROOT_DIR"
+  "ENDPOINT_LOG_PATH"
+  "IOT_MNESIA_DIR"
+)
+
 INSTALL_EFKA=(
   "efka"
   "https://punchsky.cn/down/efka-0.1.0.tar.gz"
@@ -45,6 +60,22 @@ INSTALL_EFKA=(
   ""
   ""
 )
+
+EFKA_ENV=(
+  "EFKA_DETS_DIR=/var/lib/efka/dets/"
+  "EFKA_IOT_HOST=localhost"
+  "EFKA_AUTH_UUID=qbxmjyzrkpntfgswaevodhluicqzxplkm"
+  "EFKA_AUTH_TOKEN=zpxlkvmqwnbghytrujsdieofazxcvbnm"
+  "EFKA_DOCKER_ROOT_DIR=/var/lib/efka/docker/"
+  "EFKA_MNESIA_DIR=/var/lib/efka/mnesia"
+)
+
+EFKA_DIR_ENV_KEYS=(
+  "EFKA_DETS_DIR"
+  "EFKA_DOCKER_ROOT_DIR"
+  "EFKA_MNESIA_DIR"
+)
+
 TEMP_FILES=()
 INSTALLED_SERVICES=()
 
@@ -68,6 +99,10 @@ Options:
 Array config inside script:
   INSTALL_IOT
   INSTALL_EFKA
+  IOT_ENV
+  EFKA_ENV
+  IOT_DIR_ENV_KEYS
+  EFKA_DIR_ENV_KEYS
 
 Package format:
   INSTALL_<APP>=(
@@ -298,54 +333,54 @@ validate_environment_line() {
 
 service_env_lines() {
   local service_name="$1"
+  local env_array_name=""
+  local env_count
+  local index
+  local env_line
 
   case "$service_name" in
     iot)
-      cat <<'EOF'
-IOT_API_URL=http://127.0.0.1/api/v1
-ENDPOINT_ROOT_DIR=/var/lib/endpoint/database/
-ENDPOINT_LOG_PATH=/var/lib/endpoint/endpoint_log
-IOT_MNESIA_DIR=/var/lib/iot/mnesia/
-EOF
+      env_array_name="IOT_ENV"
       ;;
     efka)
-      cat <<'EOF'
-EFKA_DETS_DIR=/var/lib/efka/dets/
-EFKA_IOT_HOST=localhost
-EFKA_AUTH_UUID=qbxmjyzrkpntfgswaevodhluicqzxplkm
-EFKA_AUTH_TOKEN=zpxlkvmqwnbghytrujsdieofazxcvbnm
-EFKA_DOCKER_ROOT_DIR=/var/lib/efka/docker/
-EFKA_MNESIA_DIR=/var/lib/efka/mnesia
-EOF
+      env_array_name="EFKA_ENV"
       ;;
     *)
       return 0
       ;;
   esac
+
+  eval "env_count=\${#${env_array_name}[@]}"
+  for ((index=0; index<env_count; index++)); do
+    eval "env_line=\"\${${env_array_name}[$index]}\""
+    printf '%s\n' "$env_line"
+  done
 }
 
 service_dir_env_keys() {
   local service_name="$1"
+  local dir_keys_array_name=""
+  local dir_keys_count
+  local index
+  local env_key
 
   case "$service_name" in
     iot)
-      cat <<'EOF'
-ENDPOINT_ROOT_DIR
-ENDPOINT_LOG_PATH
-IOT_MNESIA_DIR
-EOF
+      dir_keys_array_name="IOT_DIR_ENV_KEYS"
       ;;
     efka)
-      cat <<'EOF'
-EFKA_DETS_DIR
-EFKA_DOCKER_ROOT_DIR
-EFKA_MNESIA_DIR
-EOF
+      dir_keys_array_name="EFKA_DIR_ENV_KEYS"
       ;;
     *)
       return 0
       ;;
   esac
+
+  eval "dir_keys_count=\${#${dir_keys_array_name}[@]}"
+  for ((index=0; index<dir_keys_count; index++)); do
+    eval "env_key=\"\${${dir_keys_array_name}[$index]}\""
+    printf '%s\n' "$env_key"
+  done
 }
 
 env_value_for_key() {