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https://github.com/kevinveenbirkenbach/computer-playbook.git
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kevinveenbirkenbachandClaude Fable 5
d88f272f9f
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
124 lines
3.8 KiB
Bash
Executable File
124 lines
3.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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# shellcheck source=scripts/meta/env/load.sh
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source scripts/meta/env/load.sh
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: "${INFINITO_DNS_IP:?Missing INFINITO_DNS_IP in .env}"
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: "${INFINITO_DOMAIN:?Missing INFINITO_DOMAIN in .env}"
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: "${INFINITO_IP4:?Missing INFINITO_IP4 in .env}"
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: "${INFINITO_CONTAINER:?Missing INFINITO_CONTAINER env (e.g. infinito_nexus_arch)}"
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SUBDOMAIN="foo.${INFINITO_DOMAIN}"
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IP4_EXPECTED="${INFINITO_IP4}"
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section() {
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echo
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echo "------------------------------------------------------------"
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echo "$1"
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echo "------------------------------------------------------------"
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}
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ok() { echo "OK: $*"; }
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warn() { echo "WARN: $*"; }
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fail() {
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echo "FAIL: $*"
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exit 1
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}
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echo "============================================================"
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echo " DNS TEST SUITE"
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echo "============================================================"
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echo "INFINITO_DNS_IP = ${INFINITO_DNS_IP}"
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echo "INFINITO_DOMAIN = ${INFINITO_DOMAIN}"
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echo "SUBDOMAIN = ${SUBDOMAIN}"
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echo "EXPECT IP = ${IP4_EXPECTED}"
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echo "INFINITO = ${INFINITO_CONTAINER}"
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echo
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section "Host -> CoreDNS (direct queries)"
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if command -v dig >/dev/null 2>&1; then
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a1="$(dig @"${INFINITO_DNS_IP}" "${INFINITO_DOMAIN}" A +short | head -n1 || true)"
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a2="$(dig @"${INFINITO_DNS_IP}" "${SUBDOMAIN}" A +short | head -n1 || true)"
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if [ "${a1}" = "${IP4_EXPECTED}" ]; then
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ok "${INFINITO_DOMAIN} A -> ${a1}"
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else
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fail "${INFINITO_DOMAIN} A failed (got '${a1}')"
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fi
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if [ "${a2}" = "${IP4_EXPECTED}" ]; then
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ok "${SUBDOMAIN} A -> ${a2}"
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else
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fail "${SUBDOMAIN} A failed (got '${a2}')"
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fi
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else
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warn "dig not found on host — skipping host direct DNS tests"
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fi
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section "Host -> CoreDNS (AAAA sanity check)"
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if command -v dig >/dev/null 2>&1; then
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aaaa1="$(dig @"${INFINITO_DNS_IP}" "${INFINITO_DOMAIN}" AAAA +comments +noall +answer || true)"
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aaaa2="$(dig @"${INFINITO_DNS_IP}" "${SUBDOMAIN}" AAAA +comments +noall +answer || true)"
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echo "AAAA ${INFINITO_DOMAIN}:"
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echo "${aaaa1:-<empty>}"
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echo
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echo "AAAA ${SUBDOMAIN}:"
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echo "${aaaa2:-<empty>}"
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echo
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status1="$(dig @"${INFINITO_DNS_IP}" "${INFINITO_DOMAIN}" AAAA +comments 2>&1 | grep -i status || true)"
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status2="$(dig @"${INFINITO_DNS_IP}" "${SUBDOMAIN}" AAAA +comments 2>&1 | grep -i status || true)"
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echo "${status1}"
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echo "${status2}"
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echo "${status1}" | grep -qi "SERVFAIL" && fail "AAAA lookup returned SERVFAIL for ${INFINITO_DOMAIN}"
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echo "${status2}" | grep -qi "SERVFAIL" && fail "AAAA lookup returned SERVFAIL for ${SUBDOMAIN}"
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ok "AAAA sanity check passed (no SERVFAIL)"
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else
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warn "dig not found on host — skipping AAAA sanity test"
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fi
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section "CoreDNS container status"
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_coredns_name="${INFINITO_RUNNER_PREFIX:-}-coredns"
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if docker ps --filter name="${_coredns_name}" --format '{{.Names}}' | grep -q "${_coredns_name}"; then
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docker ps --filter name="${_coredns_name}" --format 'table {{.Names}}\t{{.Status}}\t{{.Image}}'
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docker logs --tail=10 "${_coredns_name}" || true # nocheck: shell-or-true -- grandfathered: worked in practice; TODO: sharpen to catch only the exact tolerated error
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ok "CoreDNS container is running"
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else
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fail "CoreDNS container not running"
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fi
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section "Infinito container (outer) DNS"
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docker exec "${INFINITO_CONTAINER}" sh -lc "
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set -e
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echo '>>> /etc/resolv.conf'
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cat /etc/resolv.conf || true # nocheck: shell-or-true -- grandfathered: worked in practice; TODO: sharpen to catch only the exact tolerated error
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echo
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echo '>>> getent hosts'
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h1=\$(getent hosts ${INFINITO_DOMAIN} | awk '{print \$1}' || true)
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h2=\$(getent hosts ${SUBDOMAIN} | awk '{print \$1}' || true)
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echo \"${INFINITO_DOMAIN} -> \${h1}\"
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echo \"${SUBDOMAIN} -> \${h2}\"
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[ \"\${h1}\" = \"${IP4_EXPECTED}\" ] || exit 11
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[ \"\${h2}\" = \"${IP4_EXPECTED}\" ] || exit 12
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"
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ok "Outer container DNS works"
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section "DONE"
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echo "DNS chain is fully functional:"
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echo "Host -> CoreDNS -> Outer container -> Inner container"
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