From bf25b2258081130f600206853030f3faa207fc69 Mon Sep 17 00:00:00 2001
From: Craig Jennings <c@cjennings.net>
Date: Tue, 20 Jan 2026 19:32:13 -0600
Subject: Add initramfs and reboot verification tests

- Check zpool.cache is present in initramfs (catches cachefile bugs)
- Add reboot test: issue reboot, wait for system to come back
- Verify ZFS pool healthy after reboot
- Ensures the installed system can survive a reboot cycle
---
 scripts/full-test.sh | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

(limited to 'scripts')

diff --git a/scripts/full-test.sh b/scripts/full-test.sh
index 9537411..c5fa641 100755
--- a/scripts/full-test.sh
+++ b/scripts/full-test.sh
@@ -457,6 +457,15 @@ CONF"
     fi
     $VERBOSE && info "Pool cachefile property set correctly"
 
+    # Check zpool.cache is in initramfs (required for boot)
+    local initramfs_cache=$(ssh_cmd "lsinitcpio /boot/initramfs-linux-lts.img 2>/dev/null | grep zpool.cache" 2>/dev/null)
+    if [[ -z "$initramfs_cache" ]]; then
+        fail "$test_name: zpool.cache missing from initramfs"
+        cleanup
+        return 1
+    fi
+    $VERBOSE && info "zpool.cache present in initramfs"
+
     # Check kernel
     local kernel=$(ssh_cmd "uname -r" 2>/dev/null)
     if [[ "$kernel" != *"lts"* ]]; then
@@ -464,6 +473,49 @@ CONF"
     fi
     $VERBOSE && info "Kernel: $kernel"
 
+    # Reboot test - verify system comes back up cleanly
+    info "Testing reboot..."
+    ssh_cmd "reboot" 2>/dev/null || true
+
+    # Wait for SSH to go down (system is rebooting)
+    local down_timeout=30
+    local down_start=$(date +%s)
+    while ssh_cmd "echo up" &>/dev/null; do
+        sleep 1
+        local elapsed=$(($(date +%s) - down_start))
+        if [[ $elapsed -gt $down_timeout ]]; then
+            warn "System didn't go down for reboot within ${down_timeout}s"
+            break
+        fi
+    done
+    $VERBOSE && info "System went down for reboot"
+
+    # Wait for SSH to come back up
+    local reboot_timeout=120
+    local reboot_start=$(date +%s)
+    while ! ssh_cmd "echo up" &>/dev/null; do
+        sleep 2
+        local elapsed=$(($(date +%s) - reboot_start))
+        if [[ $elapsed -gt $reboot_timeout ]]; then
+            fail "$test_name: System failed to come back after reboot (timeout ${reboot_timeout}s)"
+            cleanup
+            return 1
+        fi
+        $VERBOSE && printf "."
+    done
+    $VERBOSE && echo ""
+    local reboot_elapsed=$(($(date +%s) - reboot_start))
+    info "System rebooted successfully (${reboot_elapsed}s)"
+
+    # Verify ZFS pool is healthy after reboot
+    local post_reboot_status=$(ssh_cmd "zpool status -x zroot" 2>/dev/null)
+    if [[ "$post_reboot_status" != *"healthy"* && "$post_reboot_status" != *"all pools are healthy"* ]]; then
+        fail "$test_name: ZFS pool not healthy after reboot: $post_reboot_status"
+        cleanup
+        return 1
+    fi
+    $VERBOSE && info "ZFS pool healthy after reboot"
+
     # Shutdown
     ssh_cmd "poweroff" 2>/dev/null || true
     sleep 3
-- 
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