#!/usr/bin/bash
# k8s/env.sh — shared config for all k8s scripts. Source this.
#
# All cluster communication goes over Tailscale IPs. No LAN IPs, ever.

# --- Nodes (Tailscale 100.x addresses) ---
CNODE1_NAME="pfv-k8s-cnode1"
CNODE1_IP="100.97.178.106"

CNODE2_NAME="pfv-k8s-cnode2"
CNODE2_IP="100.109.34.72"

CNODE3_NAME="pfv-k8s-cnode3"
CNODE3_IP="100.106.222.18"

ALL_CNODES=("$CNODE1_IP" "$CNODE2_IP" "$CNODE3_IP")
ALL_CNODE_NAMES=("$CNODE1_NAME" "$CNODE2_NAME" "$CNODE3_NAME")

# Bootstrap node (first etcd member)
BOOTSTRAP_IP="$CNODE1_IP"
BOOTSTRAP_NAME="$CNODE1_NAME"

# --- SSH ---
SSH_USER="localuser"
SSH_OPTS=(-o BatchMode=yes -o StrictHostKeyChecking=accept-new -o ConnectTimeout=15)

# --- k3s ---
K3S_VERSION="v1.36.2+k3s1"
K3S_API_PORT="6443"

# Shared TLS SANs (all cnodes + hostnames so certs are valid cluster-wide)
TLS_SANS=(
  "$CNODE1_IP" "$CNODE2_IP" "$CNODE3_IP"
  "$CNODE1_NAME" "$CNODE2_NAME" "$CNODE3_NAME"
)

# Helper: run a command on a node as root (via passwordless sudo)
cn() {
  local ip="$1"; shift
  ssh "${SSH_OPTS[@]}" "${SSH_USER}@${ip}" "sudo -n bash -c '$*'" 2>&1
}

# Helper: run a heredoc script on a node
cn_file() {
  local ip="$1"
  ssh "${SSH_OPTS[@]}" "${SSH_USER}@${ip}" "sudo -n bash -s" 
}