Created
May 15, 2019 12:21
-
-
Save jgsqware/4b8dd01059766287bb43e7d7e69d3f31 to your computer and use it in GitHub Desktop.
Clean Tiller configmap
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/usr/bin/env bash | |
set -eu | |
max_number_rev=10 | |
namespaces=( "kube-system" ) | |
for namespace in $namespaces | |
do | |
releases=$(kubectl --namespace=$namespace get cm -l OWNER=TILLER -o go-template --template='{{range .items}}{{ .metadata.labels.NAME }}{{"\n"}}{{ end }}' | sort -u) | |
for release in $releases | |
do | |
# get the revisions of this release | |
revisions=$(kubectl --namespace=$namespace get cm -l OWNER=TILLER -l STATUS=SUPERSEDED -l NAME=$release --no-headers | awk '{if(NR>1)print $1}' | sed 's/.*\.v//' | sort -n) | |
num_revisions=$(echo $revisions | tr " " "\n" | wc -l) | |
echo "release $release has $num_revisions revisions. Max number is $max_number_rev." | |
if [[ $num_revisions -gt $max_number_rev ]]; then | |
num_to_delete=$(($num_revisions-$max_number_rev)) | |
echo "Will delete $num_to_delete revisions" | |
to_delete=$(echo $revisions | tr " " "\n" | head -n $num_to_delete) | |
for del_rev in $to_delete | |
do | |
cm=$release.v$del_rev | |
echo "Deleting $cm" | |
kubectl --namespace=$namespace delete cm $cm | |
done | |
fi | |
done | |
done |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment