Make meshcentral install location adjustable

scripts/migrate-mesh-to-postgres.sh

@@ -1,45 +1,73 @@
 #!/usr/bin/env bash
 
+# NOTE: Node might need some postgres modules installed.
+#   cd $mesh_install
+#   node npm install pg pgtools
+
+# NOTE: These can be modified if necessary.
+mesh_install="/meshcentral"
+mesh_data="/meshcentral/meshcentral-data"
+mesh_program="node_modules/meshcentral"
+
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+RED='\033[0;31m'
+NC='\033[0m'
+
+print_green() {
+	printf >&2 "${GREEN}%0.s-${NC}" {1..80}
+	printf >&2 "\n"
+	printf >&2 "${GREEN}${1}${NC}\n"
+	printf >&2 "${GREEN}%0.s-${NC}" {1..80}
+	printf >&2 "\n"
+}
+
 print_green 'Creating login for the meshcentral database'
 meshdbuser=$(cat /dev/urandom | tr -dc 'a-z' | fold -w 8 | head -n 1)
 meshdbpw=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 20 | head -n 1)
 
-print_green 'Creating database for the meshcentral'
+# Postgres database name has to be "meshcentral"
-sudo -u postgres psql -c "CREATE DATABASE meshcentral"
-sudo -u postgres psql -c "CREATE USER ${meshdbuser} WITH PASSWORD '${meshdbpw}'"
-sudo -u postgres psql -c "ALTER ROLE ${meshdbuser} SET client_encoding TO 'utf8'"
-sudo -u postgres psql -c "ALTER ROLE ${meshdbuser} SET default_transaction_isolation TO 'read committed'"
-sudo -u postgres psql -c "ALTER ROLE ${meshdbuser} SET timezone TO 'UTC'"
-sudo -u postgres psql -c "GRANT ALL PRIVILEGES ON DATABASE meshcentral TO ${meshdbuser}"
-
-print_green 'Export meshcentral database'
-cd /meshcentral
-node node_modules/meshcentral --dbexport
-
-# Database cannot be specified
 # https://github.com/Ylianst/MeshCentral/issues/3398
-MESH_PG_DB=""
+meshdbname="meshcentral"
+
+# Meshcentral configs
+MESH_PG_DB="$meshdbname"
 MESH_PG_USER="$meshdbuser"
 MESH_PG_PW="$meshdbpw"
 MESH_PG_PORT="5432"
 MESH_PG_HOST="localhost"
 
-cat /meshcentral/meshcentral-data/config.json |
+print_green 'Creating postgres database for the meshcentral'
+sudo -u postgres psql <<EOT
+CREATE DATABASE ${meshdbname};
+CREATE USER ${meshdbuser} WITH PASSWORD '${meshdbpw}';
+ALTER ROLE ${meshdbuser} SET client_encoding TO 'utf8';
+ALTER ROLE ${meshdbuser} SET default_transaction_isolation TO 'read committed';
+ALTER ROLE ${meshdbuser} SET timezone TO 'UTC';
+GRANT ALL PRIVILEGES ON DATABASE ${meshdbname} TO ${meshdbuser};
+EOT
+
+print_green 'Export meshcentral database'
+cd "${mesh_install}"
+node "${mesh_program}" --dbexport
+
+cat "${mesh_data}/config.json" |
     jq " del(.settings.MongoDb, .settings.MongoDbName) " |
     jq " .settings.postgres.user |= \"${MESH_PG_USER}\" " |
     jq " .settings.postgres.password |= \"${MESH_PG_PW}\" " |
     jq " .settings.postgres.port |= \"${MESH_PG_PORT}\" " |
-    jq " .settings.postgres.host |= \"${MESH_PG_HOST}\" " > /meshcentral/meshcentral-data/config-postgres.json
+    jq " .settings.postgres.host |= \"${MESH_PG_HOST}\" " > "${mesh_data}/config-postgres.json"
 
 # Backup Meshcentral config for MongoDB
 print_green 'Backing up meshcentral config'
-cp /meshcentral/meshcentral-data/config.json /meshcentral/meshcentral-data/config-mongodb-$(date "+%Y%m%dT%H%M%S").json
+cp "${mesh_data}/config.json" "${mesh_data}/config-mongodb-$(date "+%Y%m%dT%H%M%S").json"
-cp /meshcentral/meshcentral-data/config-postgres.json /meshcentral/meshcentral-data/config.json
+cp "${mesh_data}/config-postgres.json" "${mesh_data}/config.json"
 
 print_green 'Restart meshcentral'
 sudo systemctl restart meshcentral
 print_green 'Import Database from meshcentral'
-node node_modules/meshcentral --dbimport
+node "${mesh_program}" --dbimport
 print_green 'Final restart of meshcentral'
 sudo systemctl restart meshcentral