Revision of zone.sh

samask revised this gist 20 hours ago. Go to revision

1 file changed, 5 insertions

test.md(file created)

		@@ -0,0 +1,5 @@
1	+	https://demo.opengist.io/samask/test123/edit
2	+
3	+	# Test
4	+
5	+	[test](test)

samask revised this gist 20 hours ago. Go to revision

1 file changed, 4 insertions

Test.org

			@@ -1,5 +1,9 @@
1	1		* Org Mode
2	2
	3	+	[[LINK][DESCRIPTION]]
	4	+
	5	+	https://demo.opengist.io/samask/test123/edit
	6	+
3	7
4	8		/test/
5	9

samask revised this gist 20 hours ago. Go to revision

1 file changed, 14 insertions, 1 deletion

Test.org

			@@ -1 +1,14 @@
1		-	* Org Mode
	1	+	* Org Mode
	2	+
	3	+
	4	+	/test/
	5	+
	6	+	[[test][test]]
	7	+
	8	+	_test_
	9	+
	10	+	** Test
	11	+
	12	+	*** Test
	13	+
	14	+	**** Test

samask revised this gist 20 hours ago. Go to revision

2 files changed, 4 insertions

Test.org(file created)

			@@ -0,0 +1 @@
	1	+	* Org Mode

test.org(file created)

		@@ -0,0 +1,3 @@
1	+	* Org.mode
2	+
3	+	test

samask revised this gist 20 hours ago. Go to revision

1 file changed, 126 insertions

zone.sh(file created)

		@@ -0,0 +1,126 @@
1	+	#!/bin/bash
2	+
3	+	# #############################################
4	+	# SmartOS Zombie Zone Cleanup Script
5	+	# Usage: ./nuke_zone.sh <UUID>
6	+	# 20200112
7	+	# Use as ./nuke_zone.sh ecc5d57a-3d90-44ca-a89b-8869a120487d
8	+	# #############################################
9	+
10	+	UUID=$1
11	+
12	+	# 1. Validation
13	+	if [[ -z "$UUID" ]]; then
14	+	echo "Error: No UUID provided."
15	+	echo "Usage: $0 <zone-uuid>"
16	+	exit 1
17	+	fi
18	+
19	+	if [[ "$UUID" == "global" ]]; then
20	+	echo "Error: Cannot delete the global zone."
21	+	exit 1
22	+	fi
23	+
24	+	# Basic check to see if the UUID string format looks roughly correct (simple check)
25	+	if [[ ! "$UUID" =~ ^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$ ]]; then
26	+	echo "Warning: Format of '$UUID' does not look like a standard UUID."
27	+	read -p "Are you sure you want to proceed? (y/n) " -n 1 -r
28	+	echo
29	+	if [[ ! $REPLY =~ ^[Yy]$ ]]; then
30	+	exit 1
31	+	fi
32	+	fi
33	+
34	+	echo "--- Starting cleanup for Zone: $UUID ---"
35	+
36	+	# 2. Check current status
37	+	STATE=$(zoneadm -z "$UUID" list -p 2>/dev/null \| cut -d: -f3)
38	+
39	+	if [[ -z "$STATE" ]]; then
40	+	echo "Zone currently not recognized by zoneadm. Checking ZFS leftovers..."
41	+	else
42	+	echo "Current Zone State: $STATE"
43	+	fi
44	+
45	+	# 3. Analyze and Kill Suspicious Processes
46	+	echo "Checking for stuck processes..."
47	+	# We look for zoneadmd specifically, as it is the controller.
48	+	# We also look for qemu/bhyve instances associated with the UUID.
49	+	PIDS=$(pgrep -f "$UUID")
50	+
51	+	if [[ -n "$PIDS" ]]; then
52	+	echo "Found the following processes associated with this UUID:"
53	+	pgrep -lf "$UUID"
54	+
55	+	echo "Attempting to kill these processes to release locks..."
56	+	# We use kill -9 (SIGKILL) because if we are here, the process is likely unresponsive to SIGTERM.
57	+	echo "$PIDS" \| xargs kill -9
58	+	sleep 2
59	+
60	+	# Verify they are gone
61	+	REMAINING=$(pgrep -f "$UUID")
62	+	if [[ -n "$REMAINING" ]]; then
63	+	echo "WARNING: Some processes refused to die: $REMAINING"
64	+	echo "This may indicate a kernel-level hung task (zombie)."
65	+	else
66	+	echo "Processes cleared."
67	+	fi
68	+	else
69	+	echo "No locking processes found."
70	+	fi
71	+
72	+	# 4. Force state to installed/halted if possible
73	+	# If the zone is technically 'running' in the kernel, we must halt it before uninstalling.
74	+	if [[ "$STATE" == "running" \|\| "$STATE" == "shutting_down" ]]; then
75	+	echo "Forcing zone halt..."
76	+	zoneadm -z "$UUID" halt
77	+	sleep 2
78	+	fi
79	+
80	+	# 5. Force Uninstall
81	+	echo "Attempting forced uninstall (zoneadm)..."
82	+	zoneadm -z "$UUID" uninstall -F
83	+	RET=$?
84	+
85	+	if [[ $RET -eq 0 ]]; then
86	+	echo "zoneadm uninstall reported success."
87	+	else
88	+	echo "zoneadm uninstall reported an error (exit code $RET)."
89	+	echo "Proceeding to ZFS cleanup anyway."
90	+	fi
91	+
92	+	# 6. ZFS Dataset Cleanup
93	+	# vmadm requires the dataset 'zones/<UUID>' to be gone to consider the VM deleted.
94	+	DATASET="zones/$UUID"
95	+	if zfs list "$DATASET" > /dev/null 2>&1; then
96	+	echo "ZFS dataset $DATASET still exists. Destroying it..."
97	+
98	+	# Check if there are dependent snapshots or clones (unlikely for a deletion, but possible)
99	+	# -r recursively destroys children/snapshots
100	+	zfs destroy -r "$DATASET"
101	+
102	+	if [[ $? -eq 0 ]]; then
103	+	echo "Dataset destroyed."
104	+	else
105	+	echo "Failed to destroy dataset. Check 'zfs list' manually."
106	+	fi
107	+	else
108	+	echo "ZFS dataset $DATASET is already gone."
109	+	fi
110	+
111	+	# 7. Final Verification
112	+	echo "--- Final Status Check ---"
113	+	if vmadm list \| grep -q "$UUID"; then
114	+	echo "FAILURE: $UUID still appears in 'vmadm list'."
115	+	vmadm list \| grep "$UUID"
116	+	else
117	+	echo "SUCCESS: $UUID is no longer in 'vmadm list'."
118	+	fi
119	+
120	+	if zoneadm list -cv \| grep -q "$UUID"; then
121	+	echo "WARNING: $UUID still appears in 'zoneadm list'."
122	+	else
123	+	echo "SUCCESS: $UUID is no longer in 'zoneadm list'."
124	+	fi
125	+
126	+	# #############################################

Newer Older