199 lines
8.1 KiB
Bash
Executable File
199 lines
8.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# control.sh - interactive control panel for this repo.
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#
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# Steps you through the pre-setup and day-to-day operations for both the
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# OpenTofu infra (infra/) and the Ansible config (ansible/), in the order the
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# firewall rules require (vpn first, then tunnel in, then dev/prod). It only
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# ever runs `tofu`/`ansible-playbook` for you - it's a menu wrapper, nothing
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# more, so anything it does you can also do by hand from infra/ or ansible/.
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set -uo pipefail
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REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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INFRA_DIR="$REPO_ROOT/infra"
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ANSIBLE_DIR="$REPO_ROOT/ansible"
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# --- pretty output --------------------------------------------------------
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if [ -t 1 ]; then
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BOLD=$(tput bold); DIM=$(tput dim); RESET=$(tput sgr0)
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RED=$(tput setaf 1); GREEN=$(tput setaf 2); YELLOW=$(tput setaf 3); CYAN=$(tput setaf 6)
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else
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BOLD=""; DIM=""; RESET=""; RED=""; GREEN=""; YELLOW=""; CYAN=""
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fi
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ok() { printf "%s ok %s %s\n" "$GREEN" "$RESET" "$1"; }
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warn() { printf "%s warn%s %s\n" "$YELLOW" "$RESET" "$1"; }
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bad() { printf "%s miss%s %s\n" "$RED" "$RESET" "$1"; }
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title() { printf "\n%s%s%s\n" "$BOLD$CYAN" "$1" "$RESET"; }
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# Pick the OpenTofu binary: prefer `tofu`, fall back to `terraform`.
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TOFU=""
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detect_tofu() {
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if command -v tofu >/dev/null 2>&1; then TOFU="tofu"
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elif command -v terraform >/dev/null 2>&1; then TOFU="terraform"
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fi
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}
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detect_tofu
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# Run a command inside a directory, echoing it first. Returns the command's exit code.
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run_in() {
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local dir="$1"; shift
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printf "%s\$ (cd %s && %s)%s\n" "$DIM" "${dir#$REPO_ROOT/}" "$*" "$RESET"
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( cd "$dir" && "$@" )
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}
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pause() { read -rp $'\nPress Enter to return to the menu... ' _; }
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confirm() {
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local reply
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read -rp "$1 [y/N] " reply
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[[ "$reply" == "y" || "$reply" == "Y" ]]
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}
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# --- prerequisite checks --------------------------------------------------
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check_prereqs() {
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title "Tools"
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if [ -n "$TOFU" ]; then ok "OpenTofu ($TOFU: $("$TOFU" version 2>/dev/null | head -n1))"
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else bad "Neither 'tofu' nor 'terraform' found on PATH"; fi
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if command -v ansible-playbook >/dev/null 2>&1; then ok "Ansible ($(ansible --version 2>/dev/null | head -n1))"
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else bad "'ansible-playbook' not found on PATH"; fi
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title "Environment variables"
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[ -n "${HCLOUD_TOKEN:-}" ] && ok "HCLOUD_TOKEN set" || bad "HCLOUD_TOKEN not set (needed by both tofu and the ansible inventory)"
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[ -n "${BACKUP_S3_BUCKET:-}" ] && ok "BACKUP_S3_BUCKET set" || warn "BACKUP_S3_BUCKET not set (needed for deploy/spinup - S3 backup .env)"
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[ -n "${BACKUP_S3_ACCESS_KEY_ID:-}" ] && ok "BACKUP_S3_ACCESS_KEY_ID set" || warn "BACKUP_S3_ACCESS_KEY_ID not set"
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[ -n "${BACKUP_S3_SECRET_ACCESS_KEY:-}" ] && ok "BACKUP_S3_SECRET_ACCESS_KEY set" || warn "BACKUP_S3_SECRET_ACCESS_KEY not set"
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[ -n "${BACKUP_S3_ENDPOINT:-}" ] && ok "BACKUP_S3_ENDPOINT set" || warn "BACKUP_S3_ENDPOINT not set (omit only for real AWS S3)"
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local key="${ANSIBLE_SSH_PRIVATE_KEY_FILE:-$HOME/.ssh/id_ed25519}"
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[ -f "${key/#\~/$HOME}" ] && ok "SSH key present ($key)" || warn "SSH key not found at $key (set ANSIBLE_SSH_PRIVATE_KEY_FILE)"
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title "Files"
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[ -f "$INFRA_DIR/terraform.tfvars" ] && ok "infra/terraform.tfvars exists" \
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|| bad "infra/terraform.tfvars missing (copy terraform.tfvars.example and fill in ssh_key_names)"
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[ -d "$INFRA_DIR/.terraform" ] && ok "infra/.terraform exists (tofu init has run)" \
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|| warn "infra/.terraform missing - run OpenTofu > init"
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if ansible-galaxy collection list hetzner.hcloud >/dev/null 2>&1; then ok "hetzner.hcloud collection installed"
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else warn "hetzner.hcloud collection not installed - run Ansible > Install collections"; fi
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}
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# --- OpenTofu actions -----------------------------------------------------
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require_tofu() {
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if [ -z "$TOFU" ]; then bad "No tofu/terraform binary found."; return 1; fi
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if [ ! -f "$INFRA_DIR/terraform.tfvars" ]; then
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bad "infra/terraform.tfvars is missing - copy terraform.tfvars.example first."; return 1
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fi
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}
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tofu_init() { require_tofu && run_in "$INFRA_DIR" "$TOFU" init; }
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tofu_plan() { require_tofu && run_in "$INFRA_DIR" "$TOFU" plan; }
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tofu_apply() { require_tofu && run_in "$INFRA_DIR" "$TOFU" apply; }
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tofu_output() { require_tofu && run_in "$INFRA_DIR" "$TOFU" output; }
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tofu_destroy() {
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require_tofu || return 1
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confirm "${RED}Destroy ALL infra managed by OpenTofu?${RESET}" && run_in "$INFRA_DIR" "$TOFU" destroy
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}
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# --- Ansible actions ------------------------------------------------------
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ansible_collections() { run_in "$ANSIBLE_DIR" ansible-galaxy collection install -r requirements.yml; }
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ansible_inventory() { run_in "$ANSIBLE_DIR" ansible-inventory --graph; }
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# $1 = playbook, $2 = -l limit expression
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play() { run_in "$ANSIBLE_DIR" ansible-playbook "playbooks/$1" -l "$2"; }
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ansible_bootstrap_vpn() { play bootstrap.yml role_vpn; }
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ansible_deploy_vpn() { play deploy.yml role_vpn && play spinup.yml role_vpn; }
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ansible_bootstrap_dp() { play bootstrap.yml role_dev,role_prod; }
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ansible_deploy_dp() { play deploy.yml role_dev,role_prod && play spinup.yml role_dev,role_prod; }
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ansible_spindown() {
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local target
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read -rp "Spindown which hosts? (e.g. role_vpn, role_dev,role_prod, all): " target
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[ -n "$target" ] && play spindown.yml "$target"
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}
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# --- guided walkthrough ---------------------------------------------------
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guided() {
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title "Guided full setup"
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cat <<EOF
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This walks the whole bring-up in the order the firewalls require. dev/prod only
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accept SSH from the vpn server's public IP, so vpn must exist and you must be
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connected to it (OpenVPN) before dev/prod are reachable.
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Steps, in order:
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1. OpenTofu: init -> plan -> apply (creates servers, network, firewalls, DNS)
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2. Ansible: bootstrap + deploy + spinup for role_vpn
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3. YOU: connect to the VPN with an OpenVPN client
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4. Ansible: bootstrap + deploy + spinup for role_dev,role_prod
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EOF
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confirm "Start the guided walkthrough?" || return 0
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echo; title "1/4 OpenTofu"
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if confirm "Run $TOFU init/plan/apply now?"; then
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tofu_init && tofu_plan && tofu_apply || { bad "OpenTofu step failed - stopping."; return 1; }
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fi
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echo; title "2/4 Ansible - vpn"
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if confirm "Bootstrap + deploy + spinup role_vpn now?"; then
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ansible_bootstrap_vpn && ansible_deploy_vpn || { bad "vpn step failed - stopping."; return 1; }
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fi
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echo; title "3/4 Connect the VPN"
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warn "Connect to the vpn server with your OpenVPN client now, then continue."
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confirm "Are you connected to the VPN?" || { warn "Stopping - reconnect and re-run this step."; return 0; }
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echo; title "4/4 Ansible - dev + prod"
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if confirm "Bootstrap + deploy + spinup role_dev,role_prod now?"; then
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ansible_bootstrap_dp && ansible_deploy_dp || { bad "dev/prod step failed."; return 1; }
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fi
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ok "Guided setup complete."
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}
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# --- menu -----------------------------------------------------------------
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menu() {
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clear
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printf "%s==== server control panel ====%s\n" "$BOLD$CYAN" "$RESET"
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printf "%srepo: %s tofu: %s%s\n" "$DIM" "$REPO_ROOT" "${TOFU:-none}" "$RESET"
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title "Setup"
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echo " 1) Check prerequisites"
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echo " 2) Guided full setup (vpn -> connect -> dev/prod)"
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title "OpenTofu (infra/)"
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echo " 3) init 4) plan 5) apply"
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echo " 6) output 7) destroy"
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title "Ansible (ansible/)"
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echo " 8) Install collections 9) Show inventory"
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echo " 10) Bootstrap vpn 11) Deploy + spinup vpn"
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echo " 12) Bootstrap dev+prod 13) Deploy + spinup dev+prod"
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echo " 14) Spindown (choose target)"
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echo
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echo " 0) Quit"
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echo
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read -rp "Select an option: " choice
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}
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while true; do
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menu
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case "$choice" in
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1) check_prereqs; pause ;;
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2) guided; pause ;;
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3) tofu_init; pause ;;
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4) tofu_plan; pause ;;
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5) tofu_apply; pause ;;
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6) tofu_output; pause ;;
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7) tofu_destroy; pause ;;
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8) ansible_collections; pause ;;
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9) ansible_inventory; pause ;;
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10) ansible_bootstrap_vpn; pause ;;
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11) ansible_deploy_vpn; pause ;;
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12) ansible_bootstrap_dp; pause ;;
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13) ansible_deploy_dp; pause ;;
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14) ansible_spindown; pause ;;
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0) echo "Bye."; exit 0 ;;
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"") ;;
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*) warn "Unknown option: $choice"; pause ;;
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esac
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done
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