From b9e13eea30fa89d3de8983e9cd2205ace75f2a61 Mon Sep 17 00:00:00 2001 From: Julien Dessaux Date: Wed, 1 Sep 2021 14:53:05 +0200 Subject: Added kubernetes evicted pods article --- content/blog/kubernetes/delete-all-evicted-pods.md | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 content/blog/kubernetes/delete-all-evicted-pods.md (limited to 'content/blog/kubernetes') diff --git a/content/blog/kubernetes/delete-all-evicted-pods.md b/content/blog/kubernetes/delete-all-evicted-pods.md new file mode 100644 index 0000000..ec624fd --- /dev/null +++ b/content/blog/kubernetes/delete-all-evicted-pods.md @@ -0,0 +1,22 @@ +--- +title: How to delete all evicted pods in kubernetes +description: A quick note for future reference +date: 2021-09-01 +--- + +## Introduction + +I was playing with the percona xtradb operator on one of my test clusters last week and left it in a state where mysqld errors logs were piling up over the week-end. On monday morning my nodes had their filesystems full and I discovered what kubernetes evicted pods were : pods that fail when a node's resources get constrained. + +My problem is : these evicted pods lingered, so I looked for a way to clean them up. + +## How to delete all evicted pods + +My google fu directed my towards several commands looking like the following, but they all had a thing or another that did not work. Here is the one I pieced together from these various resources : +```sh +kubectl get pods --all-namespaces -o json | + jq '.items[] | select(.status.reason!=null) | + select(.status.reason | contains("Evicted")) | + "kubectl -n \(.metadata.namespace) delete pod \(.metadata.name)"' | + xargs -n 1 bash -c +``` -- cgit v1.2.3