#!/bin/bash
# install-utils-v2.sh - retry install without nstat package.
set -uo pipefail
SSH_OPTS=(-o BatchMode=yes -o ConnectTimeout=8 -o StrictHostKeyChecking=accept-new)

PKGS="sysstat jq numactl nvme-cli mtr-tiny dnsutils bmon"

for host in pfv-tsys6 pfv-tsys7; do
    echo "=== [$host] installing: $PKGS ==="
    ssh "${SSH_OPTS[@]}" "root@$host" \
        "DEBIAN_FRONTEND=noninteractive apt-get update -qq 2>&1 | tail -2 && \
         DEBIAN_FRONTEND=noninteractive apt-get install -y $PKGS 2>&1 | tail -10"

    # sysstat enable (path varies by Debian version)
    ssh "${SSH_OPTS[@]}" "root@$host" '
        if [ -r /etc/default/sysstat ]; then
            sed -i "s/^ENABLED=.*/ENABLED=\"true\"/" /etc/default/sysstat
            systemctl enable --now sysstat 2>/dev/null
            grep ENABLED /etc/default/sysstat
        else
            # Newer Debian (trixie) — sysstat cron/service auto-enabled
            systemctl enable --now sysstat 2>/dev/null || echo "(sysstat auto via cron)"
        fi
    '
    echo ""
done

# Verify
for host in pfv-tsys6 pfv-tsys7; do
    echo "=== [$host] verification ==="
    ssh "${SSH_OPTS[@]}" "root@$host" '
        for p in sysstat jq numactl nvme mtr-tiny dig bmon; do
            command -v "$p" >/dev/null 2>&1 && echo "  ✓ $p" || echo "  ✗ $p"
        done
    '
    echo ""
done
