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Add a new preserve_namespace flag #24

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Add a new preserve_namespace flag #24

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8100e87
Add preserve_namespace flag to keep the namespace
antoinerrr Nov 22, 2024
a4a7557
fix condition
antoinerrr Nov 22, 2024
65faca2
fix "
antoinerrr Nov 22, 2024
4602c77
Avoid unnecessary change
antoinerrr Nov 22, 2024
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13 changes: 11 additions & 2 deletions prune-releases.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ function usage()
echo ' --namespace-filter="^feature-.+" <Namespace regex filter>'
echo ' --helm-release-negate-filter="-permanent$" <Negated Helm release regex filter>'
echo ' --namespace-negate-filter="-permanent$" <Negated Namespace regex filter>'
echo ' --preserve-namespace'
echo ' --dry-run'
echo ""
echo "Example: $0 --older-than=\"2 weeks ago\" --helm-release-filter=\"^feature-.+-web$\" --namespace-filter=\"^feature-.+\""
Expand All @@ -25,6 +26,7 @@ older_than_filter=""
release_filter=""
namespace_filter=""
dry_run=""
preserve_namespace=""

while [ "$1" != "" ]; do
PARAM=`echo $1 | awk -F= '{print $1}'`
Expand Down Expand Up @@ -55,6 +57,9 @@ while [ "$1" != "" ]; do
--dry-run)
dry_run="TRUE"
;;
--preserve-namespace)
delete_namespace="TRUE"
;;
*)
echo "ERROR: unknown parameter \"$PARAM\""
usage
Expand All @@ -76,6 +81,10 @@ if [ -n "$dry_run" ]; then
echo "Dry run mode. Nothing will be deleted."
fi

if [ -n "$preserve_namespace" ]; then
echo "Namespace will not be deleted."
fi

counter=0
counter_keep=0
counter_delete=0
Expand Down Expand Up @@ -135,8 +144,8 @@ while read release_line ; do
counter_delete=$((counter_delete+1))
[ -z "$dry_run" ] && helm delete --namespace $release_namespace $release_name

# Delete the namespace if there are no other helm releases in it
if [ "$(helm list -a --namespace $release_namespace --output json | jq ". | length")" -eq 0 ]; then
# Delete the namespace if there are no other helm releases in it and the preserve_namespace flag is False
if [[ -z "$preserve_namespace" && "$(helm list -a --namespace $release_namespace --output json | jq ". | length")" -eq 0 ]]; then
[ -z "$dry_run" ] && kubectl delete ns $release_namespace
fi
fi
Expand Down