Add support for editing master configuration

assets/runtime/functions.sh

@@ -1,5 +1,10 @@
 #!/usr/bin/env bash
 
+set -e
+
+echo "Loading ${SALT_RUNTIME_DIR}/env-defaults.sh"
+source ${SALT_RUNTIME_DIR}/env-defaults.sh
+
 # This function copies minion keys
 function copy_minion_keys()
 {
@@ -8,13 +13,43 @@ function copy_minion_keys()
     if [ -d "${SALT_KEYS_DIR}/master" ] && [ ! -z "$(ls -A ${SALT_KEYS_DIR}/master)" ]; then
         mkdir -v -p -m 0700 ${SALT_MASTER_DIR}
         cp -v ${SALT_KEYS_DIR}/master/master.{pem,pub} ${SALT_MASTER_DIR}
-        chown -v root:root ${SALT_MASTER_DIR}/master.{pem,pub}
+        chown -v ${SALT_USER}:${SALT_USER} ${SALT_MASTER_DIR}/master.{pem,pub}
     fi
 
     if [ -d "${SALT_KEYS_DIR}/minions" ] && [ ! -z "$(ls -A ${SALT_KEYS_DIR}/minions)" ]; then
         mkdir -v -p -m 0700 ${SALT_MASTER_DIR}/minions
         cp -v ${SALT_KEYS_DIR}/minions/* ${SALT_MASTER_DIR}/minions
-        chown -v root:root ${SALT_MASTER_DIR}/minions/*
+        chown -v ${SALT_USER}:${SALT_USER} ${SALT_MASTER_DIR}/minions/*
     fi
 }
 
+# This functions cofigures master service
+function configure_salt_master()
+{
+    echo "Configuring salt-master..."
+    # https://docs.saltstack.com/en/latest/ref/configuration/master.html
+
+    local SALT_ROOT_DIR=/etc/salt
+
+    # Backup file
+    if [ ! -f ${SALT_ROOT_DIR}/master.backup ]; then
+        cp -pv ${SALT_ROOT_DIR}/master ${SALT_ROOT_DIR}/master.backup
+    else
+        cp -pv ${SALT_ROOT_DIR}/master.backup ${SALT_ROOT_DIR}/master
+    fi
+
+    # Set env variables
+    sed -i \
+        -e "s|^[#]*log_level:.*$|log_level: ${SALT_LOG_LEVEL}|" \
+        -e "s|^[#]*log_level_logfile:.*$|log_level_logfile: ${SALT_LEVEL_LOGFILE}|" \
+        -e "s|^[#]*default_include:.*$|default_include: ${SALT_ROOT_DIR}/master.d/*.conf|" \
+        ${SALT_ROOT_DIR}/master
+
+    # Sync config files
+    if [[ $(find ${SALT_CONFS_DIR} -type f -name '*.conf' | wc -l) -gt 0 ]]; then
+        rsync --verbose --delete ${SALT_CONFS_DIR}/*.conf ${SALT_ROOT_DIR}/master.d/
+        chown ${SALT_USER}:${SALT_USER} ${SALT_ROOT_DIR}/master.d/*.conf
+        chmod +rx-w ${SALT_ROOT_DIR}/master.d/*.conf
+    fi
+
+}