kubectl-history

Install

Download the binary from release page, and put it in your PATH. You may need to allow it to be executed from the settings->Security & Privacy dialog.

Usages

List and diff versions of deployment/daemonset/statefulset

Usage:
  kubectl-history [command]

Available Commands:
  diff        Show a diff for different revisions of the resource
  help        Help about any command
  list        List all the revisions of the resource

Flags:
  -c, --context string      the context scope for the request
  -h, --help                help for kubectl-history
  -f, --kubeconfig string   path to the kubeconfig file to be used for the requests
  -n, --namespace string    the namespace scope for the request
  -v, --v Level             number for the log level verbosity
      --version             version for kubectl-history

Use "kubectl-history [command] --help" for more information about a command.

list command

Use list command to list all the exit revisions: k history list -n sandbox deploy dong-web

 # | CREATE TIME                   | NAME                | DESIRED | AVAILIABE | READY
---+-------------------------------+---------------------+---------+-----------+-------
 2 | 2022-07-13 17:25:14 +0800 CST | dong-web-68dc7787b7 |       2 |         2 |     2
 1 | 2022-07-13 17:24:15 +0800 CST | dong-web-78b7f7cbb  |       0 |         0 |     0

Add -d to show more details: k history list -n sandbox deploy dong-web -d

 # | CREATE TIME                   | NAME                        | DESIRED | AVAILIABE | READY
---+-------------------------------+-----------------------------+---------+-----------+-------
 2 | 2022-07-13 17:25:14 +0800 CST | dong-web-68dc7787b7         |       2 |         2 |     2
   |                               | └─dong-web-68dc7787b7-6ggpd |         |           |
   |                               | └─dong-web-68dc7787b7-z9dbl |         |           |
 1 | 2022-07-13 17:24:15 +0800 CST | dong-web-78b7f7cbb          |       0 |         0 |     0

diff command

The command below will get the same result

• k history diff -n sandbox deploy dong-web show difference between the latest two versions
• k history diff -n sandbox deploy dong-web 1 show difference between version 1 and the latest version
• k history diff -n sandbox deploy dong-web 1 2 show different between version 1 and 2

--- OLD
+++ NEW
@@ -4,13 +4,13 @@
   annotations:
     deployment.kubernetes.io/desired-replicas: "2"
     deployment.kubernetes.io/max-replicas: "3"
-    deployment.kubernetes.io/revision: "1"
-  generation: 3
+    deployment.kubernetes.io/revision: "2"
+  generation: 2