mirror of
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101 lines
3.2 KiB
Terraform
101 lines
3.2 KiB
Terraform
# Create a local file with the PostgreSQL installation script
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resource "local_file" "postgres_install_script" {
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filename = "${path.module}/tmp/install_postgres.sh"
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content = <<-EOT
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#!/bin/bash
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set -e
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echo "Checking PostgreSQL installation..."
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sudo apt-get update
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sudo apt-get install -y postgresql-14 postgresql-client-14 postgresql-contrib-14
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# Stop PostgreSQL before configuration
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echo "Stopping PostgreSQL service..."
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sudo systemctl stop postgresql
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# Configure PostgreSQL data directory
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POSTGRES_DATA_DIR="/mnt/k8s/postgres"
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POSTGRES_VERSION=14 # Hardcoding to version 14 as that's what's installed
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POSTGRES_CONF_DIR="/etc/postgresql/$POSTGRES_VERSION/main"
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echo "PostgreSQL version: $POSTGRES_VERSION"
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echo "Config directory: $POSTGRES_CONF_DIR"
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# # Clean up and create new data directory
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# echo "Setting up fresh data directory..."
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# sudo rm -rf "$POSTGRES_DATA_DIR"
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# sudo mkdir -p "$POSTGRES_DATA_DIR"
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# Set initial permissions
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echo "Setting initial permissions on $POSTGRES_DATA_DIR"
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sudo chown postgres:postgres "$POSTGRES_DATA_DIR"
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sudo chmod 700 "$POSTGRES_DATA_DIR"
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# Initialize PostgreSQL cluster
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echo "Initializing new PostgreSQL cluster..."
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sudo -u postgres /usr/lib/postgresql/$POSTGRES_VERSION/bin/initdb -D "$POSTGRES_DATA_DIR"
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# Configure PostgreSQL to listen only on loopback and the LAN address.
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echo "Configuring postgresql.conf..."
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echo "listen_addresses = 'localhost,192.168.1.2'" | sudo -u postgres tee -a "$POSTGRES_DATA_DIR/postgresql.conf"
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# Configure remote access for LAN clients and K3S pods only.
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echo "Configuring pg_hba.conf..."
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sudo -u postgres tee -a "$POSTGRES_DATA_DIR/pg_hba.conf" > /dev/null << 'EOF'
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host all all 192.168.1.0/24 md5
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host all all 10.42.0.0/16 md5
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EOF
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# Update system service configuration
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echo "Updating system service configuration..."
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sudo sed -i "s|^data_directory.*|data_directory = '$POSTGRES_DATA_DIR'|" "$POSTGRES_CONF_DIR/postgresql.conf"
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# Start PostgreSQL
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echo "Starting PostgreSQL service..."
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sudo systemctl start postgresql
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sleep 5
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sudo systemctl status postgresql --no-pager || true
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# Set password for postgres user
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echo "Setting password for postgres user..."
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sudo -u postgres psql -c "ALTER USER postgres PASSWORD 'postgres';"
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# Verify PostgreSQL is running and accessible
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echo "Checking PostgreSQL status..."
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sudo -u postgres psql -c "\l"
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echo "PostgreSQL installation completed!"
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EOT
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file_permission = "0755"
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}
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# Create the scripts directory if it doesn't exist
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resource "null_resource" "create_scripts_dir_postgres" {
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provisioner "local-exec" {
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command = "mkdir -p ${path.module}/scripts"
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}
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}
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# Upload and execute the PostgreSQL installation script
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resource "ssh_resource" "postgres_install" {
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depends_on = [local_file.postgres_install_script, null_resource.create_scripts_dir_postgres]
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host = local.ssh_host
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user = local.ssh_user
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port = local.ssh_port
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private_key = local.ssh_private_key
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timeout = "4m"
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when = "create"
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file {
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source = local_file.postgres_install_script.filename
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destination = "/tmp/install_postgres.sh"
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permissions = "0755"
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}
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commands = [
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"bash /tmp/install_postgres.sh"
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]
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}
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