debian recipe

recipes/debian/provisionning/conf/one-context/net-96-templater

@@ -0,0 +1,80 @@
+#!/usr/bin/env bash
+
+#
+# Generate all the configuration files
+# Get all the values from the VLS_DIR
+# Process each template from the TPL_DIR with this values
+#
+
+ENV_FILE=${ENV_FILE:-/var/run/one-context/one_env}
+TPL_DIR="/usr/share/builder/templates"
+VLS_DIR="/usr/share/builder/values"
+CONFIG=""
+
+. ${ENV_FILE}
+
+BTR="$(command -v btr)"
+if [ "${?}" -ne 0 ]; then
+  echo "Warning: Nothing to do the templater is not installed"
+  exit 0
+fi
+
+if [ ! -e "${TPL_DIR}" ]; then
+  echo "Error: The template dir is missing (${TPL_DIR})"
+  exit 1
+fi
+
+if [ ! -e "${VLS_DIR}" ]; then
+  echo "Error: The template dir is missing (${VLS_DIR})"
+  exit 1
+fi
+
+jsonQuery() {
+  local data="${1}"
+  local query="${2}"
+  echo "${data}" | jq -cr "${query}"
+}
+
+# NAME: @jsonMerge
+# AIM: Merge two json structures
+# NOTES:
+#   The last one has de last word
+#   if you have the same key in A and B
+#   this keeps the value of the B structure.
+# PARAMS:
+#  $1: original JSON Structure
+#  $2: updated JSON Structure
+jsonMerge() {
+  local data="${1}"
+  local data2="${2}"
+
+  echo "${data} ${data2}" | jq -cr -s ".[0] * .[1]"
+}
+
+getValues() {
+
+  local values=""
+
+  for file in $(find ${VLS_DIR} -name "*.json"); do
+    values="${values}$(cat ${file})"
+  done
+
+  if [ -n "${RAW_CONFIG}" ]; then
+    values="$(jsonMerge ${values} ${RAW_CONFIG})"
+  fi
+
+  for key in $(echo ${values} | jq -cr '.|keys[]'); do
+    ukey=${key^^}
+    if [ -n "${!ukey}" ]; then
+      values="$(jsonMerge "${values}" "{\"${key}\":\"${!ukey}\"}")"
+    fi
+  done
+  echo ${values}
+}
+
+processTemplates() {
+  ${BTR} -t ${TPL_DIR} -c "${1}"
+}
+VALUES=$(getValues)
+echo ${VALUES}
+processTemplates "${VALUES}"