Containerd - Revision history

Radostin at 15:58, 16 March 2023

2023-03-16T15:58:02Z

2023-03-16T15:45:00Z

Container Checkpoint/Restore

2023-03-16T15:43:54Z

Container Checkpoint/Restore

2023-03-16T15:43:23Z

Container Checkpoint/Restore

2023-03-16T15:43:02Z

2023-02-26T23:41:00Z

Update example

2021-10-26T09:28:46Z

2021-10-26T09:26:24Z

2021-10-26T09:13:38Z

2021-10-26T09:12:34Z

@@ Line 1: / Line 1: @@
 This article describes the status of checkpoint/restore integration with [https://containerd.io/ containerd], and how to use it.
 == Container Checkpoint/Restore ==
 {{Note|<code>ctr</code> is unsupported debug and administrative client for interacting with the containerd daemon. The commands, options, and operations are not guaranteed to be backward compatible or stable from release to release of the containerd project.}}
@@ Line 21: / Line 25: @@
   ctr images ls 'name==checkpoint/redis:cr-1'
-Restore container from checkpoint
+Restore container from checkpoint with new ID (redis-debug)
   ctr c restore --rw --live redis-debug checkpoint/redis:cr-1

@@ Line 9: / Line 9: @@
   ctr image pull docker.io/library/redis:alpine
-Create and run a container with ID "looper"
+Create and run a new container with ID "redis"
   ctr run -d docker.io/library/redis:alpine redis

@@ Line 5: / Line 5: @@
 {{Note|<code>ctr</code> is unsupported debug and administrative client for interacting with the containerd daemon. The commands, options, and operations are not guaranteed to be backward compatible or stable from release to release of the containerd project.}}
-Download "ubuntu:latest" image if not already available locally.
+Download "redis:alpine" image if not already available locally.
   ctr image pull docker.io/library/redis:alpine

@@ Line 5: / Line 5: @@
 {{Note|<code>ctr</code> is unsupported debug and administrative client for interacting with the containerd daemon. The commands, options, and operations are not guaranteed to be backward compatible or stable from release to release of the containerd project.}}
-Pull "ubuntu:latest" image if not already available locally.
+Download "ubuntu:latest" image if not already available locally.
   ctr image pull docker.io/library/redis:alpine

@@ Line 15: / Line 15: @@
 Create container checkpoint
-  ctr c checkpoint --rw --task redis checkpoint/redis:20230226
+  ctr c checkpoint --rw --task redis checkpoint/redis:cr-1
 Restore container from checkpoint
-  ctr c restore --rw --live redis-debug checkpoint/redis:20230226
+  ctr c restore --rw --live redis-debug checkpoint/redis:cr-1

@@ Line 7: / Line 7: @@
 Pull "ubuntu:latest" image if not already available locally.
-  ctr image pull docker.io/library/ubuntu:latest
+  ctr image pull docker.io/library/redis:alpine
 Create and run a container with ID "looper"
-  ctr run --runtime io.containerd.runc.v1 -d docker.io/library/ubuntu:latest looper /bin/sh -c 'i=0; while true; do echo $i; i=$(expr $i + 1); sleep 1; done'
+  ctr run --runtime io.containerd.runc.v1 -d docker.io/library/redis:alpine redis
 Create container checkpoint
-  ctr c checkpoint --rw --task looper checkpoint/looper:20211011
+  ctr c checkpoint --rw --task redis checkpoint/redis:20211011
 Restore container from checkpoint
-  ctr c restore looper-1 checkpoint/looper:20211011
+  ctr c restore redis-debug checkpoint/redis:20211011

← Older revision		Revision as of 09:26, 26 October 2021
Line 2:		Line 2:

	== Container Checkpoint/Restore ==		== Container Checkpoint/Restore ==
		+
		+	{{Note\|<code>ctr</code> is unsupported debug and administrative client for interacting with the containerd daemon. The commands, options, and operations are not guaranteed to be backward compatible or stable from release to release of the containerd project.}}

	Pull "ubuntu:latest" image if not already available locally.		Pull "ubuntu:latest" image if not already available locally.