Added lab script for timescaledb init

timescaledb/init_logsdb.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+set -eu
+
+DB_NAME="logs"
+DB_USER="myuser"
+DB_PASSWORD="mypassword"
+LOGS_USER="logs_user"
+LOGS_USER_PASSWORD="logs_user_password"
+
+# Create the database
+sudo -u postgres psql -c \
+	  "CREATE DATABASE ${DB_NAME} WITH ENCODING 'UTF-8' \
+	     LC_COLLATE 'en_US.UTF-8' LC_CTYPE 'en_US.UTF-8' TEMPLATE template0;"
+
+# Create the user
+sudo -u postgres psql -c \
+	  "CREATE USER ${DB_USER} WITH PASSWORD '${DB_PASSWORD}';"
+sudo -u postgres psql -c \
+	  "GRANT ALL PRIVILEGES ON DATABASE ${DB_NAME} TO ${DB_USER};"
+sudo -u postgres psql -c \
+	  "ALTER USER ${DB_USER} VALID UNTIL 'infinity';"
+
+# Create the logs_user
+sudo -u postgres psql -c \
+	  "CREATE USER ${LOGS_USER} WITH PASSWORD '${LOGS_USER_PASSWORD}';"
+
+# Enable the TimescaleDB extension
+sudo -u postgres psql -d "${DB_NAME}" -c \
+	  "CREATE EXTENSION IF NOT EXISTS timescaledb CASCADE;"
+
+sudo -u postgres psql -d "${DB_NAME}" -c "CREATE EXTENSION IF NOT EXISTS timescaledb;"
+
+
+# Create the logs table
+sudo -u postgres psql -d "${DB_NAME}" -c "CREATE TABLE logs (id SERIAL, timestamp TIMESTAMPTZ NOT NULL, log_data JSONB NOT NULL, PRIMARY KEY (id, timestamp));"
+
+
+
+# Convert the table into a TimescaleDB hypertable
+sudo -u postgres psql -d "${DB_NAME}" -c "CREATE TABLE logs (id SERIAL, timestamp TIMESTAMPTZ NOT NULL, log_data JSONB NOT NULL, PRIMARY KEY (id, timestamp));"
+
+# Grant INSERT privilege to logs_user on the logs table
+sudo -u postgres psql -d "${DB_NAME}" -c \
+	  "GRANT INSERT ON TABLE logs TO ${LOGS_USER};"