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log() { printf "\n\033[1;36m>>> %s\033[0m\n" "$*"}
_strip_ansi_stream() { local line while IFS= read -r line || [ -n "$line" ]; do line=${line//$'\e'\[*([0-9;])[a-zA-Z]/} line=${line//$'\e'\([a-zA-Z]/} printf '%s\n' "$line" done}
strip_ansi() { if [ "$#" -gt 0 ]; then local f for f in "$@"; do [ -r "$f" ] && _strip_ansi_stream < "$f" done else _strip_ansi_stream fi}
# check_needles OUT NEEDLES...# each needle is an extended regex matched per line (mirrors `grep -qE`).check_needles() { local out="$1" shift
local -a lines mapfile -t lines <<< "$out"
# strip ANSI per line (each line is short, so this stays cheap) local i l for i in "${!lines[@]}"; do l=${lines[i]} l=${l//$'\e'\[*([0-9;])[a-zA-Z]/} l=${l//$'\e'\([a-zA-Z]/} lines[i]=$l done
local needle missing=0 line hit for needle in "$@"; do hit=0 for line in "${lines[@]}"; do if [[ $line =~ $needle ]]; then hit=1 break fi done if [ "$hit" -eq 0 ]; then echo "error: output missing '$needle'" >&2 missing=1 fi done
if [ "$missing" -ne 0 ]; then printf '%s\n' "${lines[@]}" >&2 return 1 fi}
declare -a TEST_NAMES=()declare -a TEST_STATUSES=()declare -a TEST_TIMES=()SKIP_TEST_RC=200
get_time_ms() { local t="${EPOCHREALTIME:-}" if [[ "$t" == *.* ]]; then local secs="${t%.*}" local subs="${t#*.}" subs="${subs:0:3}" while [ "${#subs}" -lt 3 ]; do subs="${subs}0" done echo "${secs}${subs}" else echo "$(date +%s)000" fi}
format_duration() { local ms=$1 local secs=$((ms / 1000)) local rem=$((ms % 1000)) printf "%d.%03ds" "$secs" "$rem"}
print_summary() { if [ "${#TEST_NAMES[@]}" -eq 0 ]; then return fi printf "\n" log "test summary" echo "=========================================" local passed_count=0 local skipped_count=0 local failed_count=0 local total_time=0 for i in "${!TEST_NAMES[@]}"; do local name="${TEST_NAMES[$i]}" local status="${TEST_STATUSES[$i]}" local duration_ms="${TEST_TIMES[$i]}" local duration_str duration_str=$(format_duration "$duration_ms")
local status_color="\033[0;32m" if [ "$status" = "Failed" ]; then status_color="\033[0;31m" failed_count=$((failed_count + 1)) elif [ "$status" = "Skipped" ]; then status_color="\033[0;33m" skipped_count=$((skipped_count + 1)) else passed_count=$((passed_count + 1)) fi total_time=$((total_time + duration_ms))
printf " %-30s %b%-8b\033[0m %s\n" "$name" "$status_color" "$status" "$duration_str" done echo "-----------------------------------------" local total_tests="${#TEST_NAMES[@]}" local total_time_str total_time_str=$(format_duration "$total_time") printf " total: %d tests, %d passed, %d skipped, %d failed\n" "$total_tests" "$passed_count" "$skipped_count" "$failed_count" printf " total execution time: %s\n" "$total_time_str" echo "========================================="}
skip_test() { echo "skipped: $*" exit "$SKIP_TEST_RC"}
host_is_nixos() { [ -e /etc/NIXOS ] && return 0 [ -r /etc/os-release ] && grep -q '^ID=nixos$' /etc/os-release}
JOBS="${JOBS:-4}"while [[ $# -gt 0 ]]; do case "$1" in -j | --jobs) JOBS="$2" shift 2 ;; --jobs=*) JOBS="${1#*=}" shift ;; --only) TEST_ONLY="$2" shift 2 ;; --only=*) TEST_ONLY="${1#*=}" shift ;; *) echo "unknown argument: $1" >&2 echo "usage: $0 [-j N|--jobs N] [--only TEST]" >&2 exit 1 ;; esacdoneif ! [[ "$JOBS" =~ ^[0-9]+$ ]] || [ "$JOBS" -lt 1 ]; then echo "error: --jobs must be a positive integer (got '$JOBS')" >&2 exit 1fi
pick_free_port() { local port for _ in $(seq 1 50); do port=$(((RANDOM % 16384) + 20000)) if ! (exec 3<>"/dev/tcp/127.0.0.1/$port") 2>/dev/null; then echo "$port" return 0 fi done echo "error: could not find a free port for the cache" >&2 return 1}
SUCCESS=0rm -rf /tmp/test-spindle-microvm-logs
log "setup local cache & temp environment"TEMP_DIR=$(mktemp -d -t test-spindle-microvm-XXXXXX)
if [ ! -e /dev/vsock ]; then echo "error: /dev/vsock is missing; run sudo modprobe vhost_vsock" >&2 exit 1fi
log "build spindle & microvm image tarball"nix develop --command go build -o spindle/spindle-microvm-run ./cmd/spindle-microvm-runTARBALL_PATH=$(nix build .#spindle-nixos-image-tarball --no-link --print-out-paths)mkdir -p "$TEMP_DIR/image"tar -C "$TEMP_DIR/image" -xzf "$TARBALL_PATH"IMAGE_SPEC_JSON="$TEMP_DIR/image/spec.json"
log "build alpine microvm image tarball"ALPINE_TARBALL_PATH=$(nix build .#spindle-alpine-image-tarball --no-link --print-out-paths)mkdir -p "$TEMP_DIR/alpine-image"tar -C "$TEMP_DIR/alpine-image" -xzf "$ALPINE_TARBALL_PATH"ALPINE_IMAGE_SPEC_JSON="$TEMP_DIR/alpine-image/spec.json"
kill_temp_dir_procs() { if [ -f "$TEMP_DIR/ncps.pid" ]; then kill "$(cat "$TEMP_DIR/ncps.pid")" 2>/dev/null || true fi pkill -TERM -f "$TEMP_DIR" 2>/dev/null || true local i for i in $(seq 1 20); do pgrep -f "$TEMP_DIR" >/dev/null 2>&1 || break sleep 0.25 done pkill -KILL -f "$TEMP_DIR" 2>/dev/null || true}
collect_logs() { echo "test failed. copying logs to /tmp/test-spindle-microvm-logs" mkdir -p /tmp/test-spindle-microvm-logs local f for f in "$TEMP_DIR"/*; do [ -f "$f" ] && cp "$f" /tmp/test-spindle-microvm-logs/ done local work logf for work in "$TEMP_DIR"/work-*; do [ -d "$work" ] || continue for logf in "$work"/*.log; do [ -f "$logf" ] || continue strip_ansi "$logf" > "/tmp/test-spindle-microvm-logs/$(basename "$work")-$(basename "$logf")" done done}
CLEANED=0cleanup() { [ "$CLEANED" -eq 1 ] && return CLEANED=1
print_summary log "cleaning up..."
local jobs_pids jobs_pids=$(jobs -p) [ -n "$jobs_pids" ] && kill $jobs_pids 2>/dev/null || true
kill_temp_dir_procs
[ "$SUCCESS" -ne 1 ] && collect_logs
chmod -R +w "$TEMP_DIR" 2>/dev/null || true rm -rf "$TEMP_DIR" echo "done"}trap cleanup EXIT# route signals through the EXIT trap so an interrupt still tears down VMs.trap 'exit 130' INTtrap 'exit 143' TERM
CACHE_PORT=$(pick_free_port)./spindle/engines/microvm/start-test-cache.sh "$TEMP_DIR" "$CACHE_PORT"source "$TEMP_DIR/env.sh"
run_vm() { local name="" local timeout="60s" local upload=0 local upload_url="" local activate="" local no_cache=0 local db="" local spec="$IMAGE_SPEC_JSON"
while [[ $# -gt 0 ]]; do case "$1" in --spec) spec="$2" shift 2 ;; --name) name="$2" shift 2 ;; --timeout) timeout="$2" shift 2 ;; --upload) upload=1 shift ;; --upload-url) upload=1 upload_url="$2" shift 2 ;; --activate) activate="$2" shift 2 ;; --no-cache) no_cache=1 shift ;; --db) db="$2" shift 2 ;; --) shift break ;; *) echo "unknown argument: $1" >&2 exit 1 ;; esac done
local work_dir="$TEMP_DIR/work-${name}" mkdir -p "$work_dir"
local args=( --image-spec "$spec" --work-dir "$work_dir" --exec-timeout "$timeout" --port "${SPINDLE_TEST_VSOCK_PORT:-10240}" --memory-mib 4096 )
if [ "$no_cache" -eq 0 ]; then args+=( --cache-read-url "$CACHE_URL" --cache-trusted-public-key "$CACHE_PUBKEY" ) fi
if [ "$upload" -eq 1 ]; then if [ -z "$upload_url" ]; then upload_url="$CACHE_UPLOAD_URL?secret-key=$CACHE_SECRET_KEY_PATH" fi args+=( --cache-upload-url "$upload_url" ) fi
if [ -n "$activate" ]; then args+=( --activate-config "$activate" ) fi
if [ -n "$db" ]; then args+=( --db "$db" ) fi
local out if ! out=$(spindle/spindle-microvm-run "${args[@]}" -- "$@" 2>&1); then echo "$out" | strip_ansi >&2 strip_ansi "$work_dir/serial.log" >&2 strip_ansi "$work_dir/qemu.log" >&2 return 1 fi echo "$out"}
run_test_job() { local name="$1" local func="$2" local port="$3" export SPINDLE_TEST_VSOCK_PORT="$port"
local logfile="$TEMP_DIR/test-${name}.log" local start start=$(get_time_ms) log "[$name] start (vsock port $port)"
local status="Passed" if ("$func") > "$logfile" 2>&1; then status="Passed" else local rc=$? if [ "$rc" -eq "$SKIP_TEST_RC" ]; then status="Skipped" else status="Failed" fi fi
local duration_ms=$(($(get_time_ms) - start)) printf '%s\t%s\n' "$status" "$duration_ms" > "$TEMP_DIR/test-${name}.status"
local duration_str duration_str=$(format_duration "$duration_ms") if [ "$status" = "Failed" ]; then printf "\n\033[0;31m>>> [%s] FAILED (%s)\033[0m\n" "$name" "$duration_str" strip_ansi "$logfile" || true elif [ "$status" = "Skipped" ]; then printf "\n\033[0;33m>>> [%s] skipped (%s)\033[0m\n" "$name" "$duration_str" strip_ansi "$logfile" || true else printf "\n\033[0;32m>>> [%s] passed (%s)\033[0m\n" "$name" "$duration_str" fi}
# schedules every selected test across at most $JOBS concurrent VMs (each on its# own vsock port), then aggregates the per-test status files into the summary# arrays. returns 1 if any test failed, 0 otherwise.run_tests() { local base_port=10240 local idx=0 local running=0
for func in "${TESTS[@]}"; do local name="${func#test_}" name="${name//_/-}" if [ -n "${TEST_ONLY:-}" ] && [ "${TEST_ONLY}" != "$name" ]; then continue fi
run_test_job "$name" "$func" "$((base_port + idx))" & idx=$((idx + 1)) running=$((running + 1))
if [ "$running" -ge "$JOBS" ]; then wait -n || true running=$((running - 1)) fi done wait
local failed=0 for func in "${TESTS[@]}"; do local name="${func#test_}" name="${name//_/-}" if [ -n "${TEST_ONLY:-}" ] && [ "${TEST_ONLY}" != "$name" ]; then continue fi
local statusfile="$TEMP_DIR/test-${name}.status" if [ ! -f "$statusfile" ]; then TEST_NAMES+=("$name") TEST_STATUSES+=("Failed") TEST_TIMES+=(0) failed=1 continue fi
local status duration_ms IFS=$'\t' read -r status duration_ms < "$statusfile" TEST_NAMES+=("$name") TEST_STATUSES+=("$status") TEST_TIMES+=("$duration_ms") if [ "$status" = "Failed" ]; then failed=1 fi done
return "$failed"}
test_realize() { local test_store_path test_store_path=$(nix-build -E 'with import <nixpkgs> {}; writeText "test-file" "hello from cache"' --no-out-link) nix copy --to "$CACHE_UPLOAD_URL?secret-key=$CACHE_SECRET_KEY_PATH" "$test_store_path"
local out out=$(run_vm --name "realize" --timeout "60s" -- /run/current-system/sw/bin/bash -lc 'set -euo pipefailstore_path=$1cache_url=$(sed -n "s/^extra-substituters = //p" /run/spindle/nix.conf)cache_url=${cache_url%% *}if [ -z "$cache_url" ]; then echo "error: cache URL not found in /run/spindle/nix.conf" >&2 exit 1fi
http_version=$(/run/current-system/sw/bin/curl --http2-prior-knowledge -fsS -o /dev/null -w "%{http_version}" "$cache_url/nix-cache-info")echo "http_version=$http_version"case "$http_version" in 2|2.0) ;; *) echo "error: cache proxy did not negotiate HTTP/2 (got $http_version)" >&2 exit 1 ;;esac
if [ "$(stat -c %d /tmp)" = "$(stat -c %d /workspace)" ]; then echo "tmp_on_persist=yes"else echo "tmp_on_persist=no"fi
/run/current-system/sw/bin/nix-store --realise "$store_path" >/dev/null' bash "$test_store_path") || return 1
check_needles "$out" "^http_version=2(\\.0)?$" "^tmp_on_persist=yes$" || return 1 echo "success: store path realized from cache and cache proxy accepted cleartext HTTP/2"}
test_build_upload() { local nix_expr='with import <nixpkgs> {}; writeText "uploaded-test-file" "hello from vm upload"' local out out=$(run_vm --name "build-upload" --timeout "120s" --upload -- /run/current-system/sw/bin/bash -l -c "nix-build -E '$nix_expr' --no-out-link") || return 1
local built_path built_path=$(echo "$out" | strip_ansi | grep -v '\.drv' | grep -o '/nix/store/[a-z0-9]*-uploaded-test-file' | head -n 1 || true) if [ -z "$built_path" ]; then echo "error: could not find built store path in vm output" >&2 return 1 fi echo "extracted path: $built_path"
local hash hash=$(basename "$built_path" | cut -d'-' -f1) if ! curl -s -f "$CACHE_URL/${hash}.narinfo" > /dev/null; then echo "error: built store path was not uploaded to the binary cache" >&2 return 1 fi echo "success: store path uploaded to cache"}
test_ssh_store_upload() { if ! host_is_nixos; then skip_test "ssh store upload smoke only runs on nixos hosts" fi
run_ssh_store_upload_case() { local target="$1" local label="$2" local name="uploaded-test-file-${label}" local content="hello from vm upload via ${label}" local out out=$(run_vm --name "$label" --timeout "180s" --upload-url "$target" -- /run/current-system/sw/bin/bash -l -c "nix-build -E 'with import <nixpkgs> {}; writeText \"$name\" \"$content\"' --no-out-link") || return 1
local built_path built_path=$(echo "$out" | strip_ansi | grep -v '\.drv' | grep -o "/nix/store/[a-z0-9]*-${name}" | head -n 1 || true) if [ -z "$built_path" ]; then echo "error: could not find built store path in vm output for $label" >&2 echo "$out" | strip_ansi >&2 return 1 fi if [ ! -e "$built_path" ]; then echo "error: uploaded path missing from host store for $label: $built_path" >&2 return 1 fi if [ "$(cat "$built_path")" != "$content" ]; then echo "error: uploaded path content mismatch for $label" >&2 echo "path=$built_path" >&2 return 1 fi echo "success: store path uploaded to $target via spindle" }
run_ssh_store_upload_case "ssh-ng://localhost" "ssh-ng-upload" run_ssh_store_upload_case "ssh://localhost" "ssh-upload"}
test_networking() { local hello_path hello_path=$(nix-build -E 'with import <nixpkgs> {}; hello' --no-out-link)
local out out=$(run_vm --name "networking" --timeout "120s" --no-cache -- /run/current-system/sw/bin/bash -c "/run/current-system/sw/bin/curl -I --connect-timeout 1 -m 1 http://10.0.2.2:$CACHE_PORT; /run/current-system/sw/bin/nix-store --realise $hello_path") || return 1
if echo "$out" | grep -qi -E "unreachable|timeout|failed to connect|timed out" || echo "$out" | grep -q "exited with code"; then echo "success: host network access blocked" else echo "error: guest vm accessed host network or returned unexpected output" >&2 echo "$out" | strip_ansi >&2 return 1 fi echo "success: guest vm reached the internet and substituted hello"}
test_substitution_and_no_upload() { local hello_path hello_path=$(nix-build -E 'with import <nixpkgs> {}; hello' --no-out-link)
local out out=$(run_vm --name "nixpkgs-hello" --timeout "180s" --upload -- /run/current-system/sw/bin/nix-store --realise "$hello_path") || return 1
# substituted from our proxy, and nothing uploaded back to the cache. check_needles "$out" "copying path.*hello" "cache uploaded: 0" || return 1 echo "success: hello package substituted from upstream cache and was not uploaded"}
# a pinned registry, reused by the dependency and registry-pin tests.ACTIVATION_REGISTRY='"registry": { "nixpkgs": "github:nixos/nixpkgs/nixos-unstable", "my-nixpkgs": "nixpkgs" }'
test_activation_services() { local config='{ "services": { "openssh": { "enable": true, "authorizedKeysFiles": ["/etc/ssh/authorized_keys"] } } }' local out out=$(run_vm --name "activation-services" --timeout "300s" --activate "$config" -- /run/current-system/sw/bin/systemctl is-active sshd) || return 1 check_needles "$out" "^active$" || return 1 echo "success: openssh service active after activation"}
test_activation_dependencies() { # pkg-config + openssl as bare dependencies (resolved via the pinned nixpkgs # registry); their job is to prove the activation devshell exports build env # vars like PKG_CONFIG_PATH, not just PATH. hello comes in via the github # flakeref and (separately) the my-nixpkgs alias. local config='{ '"$ACTIVATION_REGISTRY"', "dependencies": [ "pkg-config", "openssl", "github:nixos/nixpkgs#hello", "my-nixpkgs#hello" ] }' # dependencies live in the activation devshell now, not systemPackages, so a # step picks them up by sourcing the materialised env (this is what the # engine's RunStep does automatically; the CLI runner does not, so we do it # here). this script is reused across the build and cache-hit runs below. local job='env_file=/run/spindle/devshell-env.sh[ -f "$env_file" ] && echo "env_file=present" || echo "env_file=missing"echo "shuttle_env=$(systemctl show shuttle -p Environment --value)"echo "step_xdg_cache_home=${XDG_CACHE_HOME:-unset}"mkdir -p "$XDG_CACHE_HOME/go-build"[ -w "$XDG_CACHE_HOME/go-build" ] && echo "go_build_cache_writable=yes"if [ -d /var/cache/shuttle ] && [ "$(stat -c %d /var/cache/shuttle)" = "$(stat -c %d /workspace)" ]; then echo "shuttle_cache_on_persist=yes"else echo "shuttle_cache_on_persist=no"fiif find /var/cache/shuttle/nix -mindepth 1 -print -quit 2>/dev/null | grep -q .; then echo "shuttle_nix_cache_written=yes"else echo "shuttle_nix_cache_written=no"fi
# mirror RunStep. "$env_file"export PATH="$PATH:/run/current-system/sw/bin:/nix/var/nix/profiles/default/bin"
set -euo pipefail# bare deps: pkg-config must be on PATH, and it must locate openssl through the# devshell-provided PKG_CONFIG_PATH (openssls headers live in a separate `dev`# output, so this also proves that output got realised into the devshell).echo "pkgconfig=$(pkg-config --version)"pkg-config --exists openssl && echo "openssl_found=yes"echo "openssl_version=$(pkg-config --modversion openssl)"inc=$(pkg-config --variable=includedir openssl)echo "includedir=$inc"[ -f "$inc/openssl/ssl.h" ] && echo "dev_headers=found"
# flakeref + aliased depsecho "hello=$(hello)"'
local db_path="$TEMP_DIR/activation-dependencies.db"
# first run: build the config, materialise the devshell env profile, upload # its closure, and record both toplevel + env profile in the db. local out out=$(run_vm --name "activation-dependencies" --timeout "600s" --activate "$config" --db "$db_path" --upload -- /run/current-system/sw/bin/bash -l -c "$job") || return 1
check_needles "$out" \ "env_file=present" "shuttle_env=.*XDG_CACHE_HOME=/var/cache/shuttle" \ "step_xdg_cache_home=/workspace/.cache" "go_build_cache_writable=yes" \ "shuttle_cache_on_persist=yes" "shuttle_nix_cache_written=yes" \ "pkgconfig=[0-9]" "openssl_found=yes" "openssl_version=[0-9]" \ "dev_headers=found" "hello=Hello, world!" || return 1 echo "success: bare (pkg-config + openssl, dev headers found via PKG_CONFIG_PATH), flakeref, and aliased deps all resolved"
# second run: same config + db, no upload. the devshell .drv is absent (no # eval happens on a cache hit), so the env must be re-read from the cached # env profile. the deps must still resolve exactly as on the build run. out=$(run_vm --name "activation-dependencies-cached" --timeout "300s" --activate "$config" --db "$db_path" -- /run/current-system/sw/bin/bash -l -c "$job") || return 1
check_needles "$out" \ "realizing cached NixOS config" \ "env_file=present" "shuttle_env=.*XDG_CACHE_HOME=/var/cache/shuttle" \ "step_xdg_cache_home=/workspace/.cache" "go_build_cache_writable=yes" \ "shuttle_cache_on_persist=yes" "pkgconfig=[0-9]" "openssl_found=yes" \ "openssl_version=[0-9]" "dev_headers=found" "hello=Hello, world!" || return 1 echo "success: cache-hit run re-read the devshell env from the cached profile (no drv) and all deps resolved"}
test_activation_registry_pin() { # the nixpkgs the image itself was built from; the registry override must NOT # resolve to this. deterministic (locked in the repo flake), so safe to compare. local base_nixpkgs base_nixpkgs=$(nix eval --raw --impure --expr '(builtins.getFlake (toString ./.)).inputs.nixpkgs.outPath')
local config='{ '"$ACTIVATION_REGISTRY"' }' # the pinned nixpkgs must reach the system nix config: resolving it via the # flakes CLI must not error "is not locked", and it must win the <nixpkgs> nixPath. local out out=$(run_vm --name "activation-registry-pin" --timeout "300s" --activate "$config" -- /run/current-system/sw/bin/bash -l -c 'set -euo pipefailecho "lib_version=$(nix eval --raw nixpkgs#lib.version)"echo "nix_path=$(nix eval --raw --impure --expr "toString <nixpkgs>")"') || return 1
check_needles "$out" "lib_version=[0-9]" || return 1 local clean guest_nixpath clean=$(echo "$out" | strip_ansi) guest_nixpath=$(echo "$clean" | sed -n 's/^nix_path=//p' | head -n1) if [ -z "$guest_nixpath" ] || [ "$guest_nixpath" = "$base_nixpkgs" ]; then echo "error: guest <nixpkgs> nixPath did not resolve to the registry override (got '$guest_nixpath', base '$base_nixpkgs')" >&2 return 1 fi echo "success: pinned nixpkgs registry reached the guest nix config (flakes CLI + <nixpkgs> nixPath)"}
test_activation_cache_substitution() { # a unique path that only exists in the configured (workflow) cache; the host # seeds it so the guest can prove it substitutes through the read proxy. local test_store_path test_store_path=$(nix-build -E 'with import <nixpkgs> {}; writeText "activation-cache-test" "hello from the workflow cache"' --no-out-link) nix copy --to "$CACHE_UPLOAD_URL?secret-key=$CACHE_SECRET_KEY_PATH" "$test_store_path"
# a trivial config: this test only cares that the read proxy serves the # workflow-cache path during an activated run. local out out=$(run_vm --name "activation-cache-substitution" --timeout "300s" --activate '{}' -- /run/current-system/sw/bin/bash -l -c 'set -euo pipefailstore_path=$1# the unique path only exists in the configured cache, so realising it proves it# was substituted through the read proxy and not built or found elsewhere.nix-store --realise "$store_path" >/dev/nullecho "substituted=$(cat "$store_path")"' bash "$test_store_path") || return 1
check_needles "$out" "substituted=hello from the workflow cache" || return 1 echo "success: unique path substituted from the workflow cache through the read proxy"}
test_activation_docker() { local config='{ "virtualisation": { "docker": { "enable": true } } }' # docker.service is up, but the daemon socket can lag a beat behind activation; # wait for it to answer, then pull+run a real image. this drives the slimmed # kernel modules: overlay.ko storage plus bridge/iptables networking out of the # pruned tree, with outbound DNS/network over the guest slirp link. local out out=$(run_vm --name "activation-docker" --timeout "600s" --activate "$config" -- /run/current-system/sw/bin/bash -l -c 'set -euo pipefailecho "docker_unit=$(systemctl is-active docker)"for i in $(seq 1 60); do docker info >/dev/null 2>&1 && break; sleep 1; donedocker info >/dev/nullecho "storage_driver=$(docker info --format "{{.Driver}}")"docker run --rm alpine cat /etc/alpine-release | sed "s/^/alpine_release=/"docker run --rm alpine echo container-ran-ok') || return 1
check_needles "$out" \ "^docker_unit=active$" "storage_driver=overlay(2|fs)" \ "alpine_release=[0-9]+\." "container-ran-ok" || return 1 echo "success: docker service active, pulled and ran an alpine container on the overlay storage driver"}
test_activation_cached_realize() { local config='{ "services": { "openssh": { "enable": true, "authorizedKeysFiles": ["/etc/ssh/authorized_keys"] } } }' local db_path="$TEMP_DIR/activation-cached.db"
# first run: build the config, upload its closure, and record the toplevel in # the db. nothing cached yet, so this builds from scratch. local out out=$(run_vm --name "activation-cached-first" --timeout "600s" --activate "$config" --db "$db_path" --upload -- /run/current-system/sw/bin/systemctl is-active sshd) || return 1 check_needles "$out" "^active$" || return 1
# second run: same config + db, no upload. must realize the recorded toplevel # from the cache instead of rebuilding, and the cached system must come up. out=$(run_vm --name "activation-cached-second" --timeout "300s" --activate "$config" --db "$db_path" -- /run/current-system/sw/bin/systemctl is-active sshd) || return 1
check_needles "$out" "realizing cached NixOS config" "^active$" || return 1 echo "success: second run realized the cached NixOS config from the cache and sshd came up"}
test_alpine() { local hello_path hello_path=$(nix-build -E 'with import <nixpkgs> {}; hello' --no-out-link)
local out out=$(run_vm --spec "$ALPINE_IMAGE_SPEC_JSON" --name "alpine" --timeout "180s" --no-cache -- /bin/sh -lc 'set -euexport HOME=/workspacehello_path=$1echo "release=$(cat /etc/alpine-release)"echo "user=$(id -un)"git versionbash -c "echo bash=\$BASH_VERSION"touch /workspace/write-testecho "workspace writable"git ls-remote https://tangled.org/@tangled.org/core HEAD >/dev/nullecho "git over https ok"apk add makeecho "apk ok"# substitute a real package from cache.nixos.org over HTTPS and run itnix-store --realise "$hello_path" >/dev/nullecho "ran=$("$hello_path/bin/hello")"' sh "$hello_path") || return 1
check_needles "$out" \ "release=" "user=spindle-workflow" "git version" "bash=" \ "workspace writable" "git over https ok" "apk ok" "ran=Hello, world!" || return 1 echo "success: alpine guest booted, ran as workflow user, wrote workspace, cloned + installed over the network, and substituted+ran a package from cache.nixos.org over HTTPS"}
test_alpine_podman() { # install podman via apk and run a real container as the workflow user. # rootless podman lives entirely in the writable workspace (storage + runroot # under XDG dirs there), uses podman's default storage driver, and pulls over # the guest network like the other alpine tests. local out out=$(run_vm --spec "$ALPINE_IMAGE_SPEC_JSON" --name "alpine-podman" --timeout "300s" --no-cache -- /bin/sh -lc 'set -eu# no env setup here on purpose: shuttle seeds USER/LOGNAME/HOME/SHELL from the# workflow users passwd entry and provisions XDG_RUNTIME_DIR, so rootless podman# works out of the box. asserting those below doubles as a check on that.
# shadow-uidmap ships newuidmap/newgidmap which rootless podman uses to apply the# /etc/subuid + /etc/subgid ranges baked into the image.apk add podman shadow-uidmapecho "user=$(id -un) USER=$USER HOME=$HOME XDG_RUNTIME_DIR=$XDG_RUNTIME_DIR"echo "newuidmap=$(command -v newuidmap)"echo "podman_version=$(podman --version)"
podman info >/dev/nullecho "storage_driver=$(podman info --format "{{.Store.GraphDriverName}}")"
podman run --rm --network=host docker.io/library/alpine cat /etc/alpine-release | sed "s/^/container_release=/"podman run --rm --network=host docker.io/library/alpine echo container-ran-ok' sh) || return 1
check_needles "$out" \ "user=spindle-workflow USER=spindle-workflow HOME=/workspace XDG_RUNTIME_DIR=/run/user/970" \ "newuidmap=/" "podman_version=" \ "storage_driver=" "container_release=[0-9]+\." "container-ran-ok" || return 1 echo "success: alpine guest installed podman via apk and pulled + ran a rootless container"}
# asserts a store path's narinfo shows up in the local cache, retrying briefly# since the post-build-hook enqueues uploads asynchronously.cache_has_path() { local path="$1" local hash hash=$(basename "$path" | cut -d'-' -f1) local i for i in $(seq 1 20); do if curl -s -f "$CACHE_URL/${hash}.narinfo" > /dev/null; then return 0 fi sleep 0.5 done return 1}
test_alpine_nix() { local test_store_path test_store_path=$(nix-build -E 'with import <nixpkgs> {}; writeText "alpine-nix-test" "hello from cache to alpine"' --no-out-link) nix copy --to "$CACHE_UPLOAD_URL?secret-key=$CACHE_SECRET_KEY_PATH" "$test_store_path"
# exercise the full local-cache path: daemon connectivity, substitution, # store-db queries, and a build via *both* the classic (nix-build) and the # new flakes/nix-command (nix build) frontends. the two build derivations # use distinct names so we can confirm each got uploaded back to the cache. local out out=$(run_vm --spec "$ALPINE_IMAGE_SPEC_JSON" --name "alpine-nix" --timeout "180s" --upload -- /bin/sh -lc 'set -euexport HOME=/workspacestore_path=$1
echo "nix_version=$(nix --version | head -n1)"{ nix store info >/dev/null 2>&1 || nix store ping >/dev/null 2>&1; } && echo "daemon=ok"
# substitute a path from the cache and query the store db about itnix-store --realise "$store_path" >/dev/nullecho "substituted=$(cat "$store_path")"echo "requisites=$(nix-store --query --requisites "$store_path" | wc -l | tr -d " ")"nix path-info --json "$store_path" >/dev/null && echo "path_info=ok"
# build via the new CLI; the substituted path is declared as a real input# (builtins.storePath) so nix must realise it into the build sandbox first.# heredoc is unquoted (the outer guest script is single-quoted, so a quoted# delimiter would close it), hence \$ escapes what nix/the builder must expand.export DEP="$store_path"cat > /workspace/new.nix <<NIXEOFlet dep = builtins.storePath (builtins.getEnv "DEP"); inderivation { name = "alpine-nix-build-new"; system = "x86_64-linux"; builder = "/bin/sh"; # the sandbox only provides the sh builtin shell (no coreutils in PATH), so # stick to builtins: the build only succeeds if nix realised the declared # storePath dependency into the sandbox, where [ -r ] can see it. args = [ "-c" "[ -r \${dep} ] && echo via-nix-build-with-dep > \$out" ];}NIXEOFnew_path=$(nix build --impure --file /workspace/new.nix --no-link --print-out-paths)echo "new_path=$new_path"echo "new_content=$(tr "\n" "|" < "$new_path")"
# build via the classic CLIcat > /workspace/old.nix <<NIXEOFderivation { name = "alpine-nix-build-old"; system = "x86_64-linux"; builder = "/bin/sh"; args = [ "-c" "echo built-on-alpine > \$out" ];}NIXEOFold_path=$(nix-build /workspace/old.nix --no-out-link)echo "old_path=$old_path"' sh "$test_store_path") || return 1
check_needles "$out" \ "daemon=ok" "substituted=hello from cache to alpine" "path_info=ok" \ "requisites=[1-9][0-9]*" "new_content=via-nix-build-with-dep" || return 1
local clean new_path old_path clean=$(echo "$out" | strip_ansi) new_path=$(echo "$clean" | grep -o 'new_path=/nix/store/[a-z0-9]*-alpine-nix-build-new' | cut -d= -f2) old_path=$(echo "$clean" | grep -o 'old_path=/nix/store/[a-z0-9]*-alpine-nix-build-old' | cut -d= -f2) if [ -z "$new_path" ] || [ -z "$old_path" ]; then echo "error: could not extract both built store paths from alpine guest output" >&2 return 1 fi if ! cache_has_path "$new_path"; then echo "error: nix-build (new CLI) output was not uploaded to the cache" >&2 return 1 fi if ! cache_has_path "$old_path"; then echo "error: nix-build (classic CLI) output was not uploaded to the cache" >&2 return 1 fi echo "success: alpine guest substituted, queried the store db, built via both CLIs, and uploaded both outputs"}
test_oom_detection() { local label spec for label in "alpine" "nixos"; do echo "testing oom on $label..." local work_dir="$TEMP_DIR/work-oom-test-$label" mkdir -p "$work_dir"
local -a cmd_args if [ "$label" = "alpine" ]; then spec="$ALPINE_IMAGE_SPEC_JSON" cmd_args=(awk 'BEGIN { while(1) a[i++]=1 }') else spec="$IMAGE_SPEC_JSON" cmd_args=(/run/current-system/sw/bin/jq -n '[repeat(1)]') fi
local mem_mib=128 if [ "$label" = "nixos" ]; then mem_mib=512 fi
local args=( --image-spec "$spec" --work-dir "$work_dir" --exec-timeout "45s" --port "$SPINDLE_TEST_VSOCK_PORT" --memory-mib "$mem_mib" )
local out if out=$(./spindle/spindle-microvm-run "${args[@]}" -- "${cmd_args[@]}" 2>&1); then echo "error: expected spindle-microvm-run to fail on $label, but it exited 0" >&2 echo "output: $out" >&2 return 1 fi
check_needles "$out" "killed by guest kernel OOM" || return 1 done echo "success: guest process OOM detected successfully on both alpine and nixos"}
TESTS=( test_alpine test_alpine_nix test_alpine_podman test_realize test_build_upload test_ssh_store_upload test_networking test_substitution_and_no_upload test_activation_services test_activation_dependencies test_activation_registry_pin test_activation_cache_substitution test_activation_docker test_activation_cached_realize test_oom_detection)
log "running ${#TESTS[@]} tests"if ! run_tests; then exit 1fi
SUCCESS=1log "passed!!"