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https://github.com/vmware-tanzu/pinniped.git
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66 lines
2.4 KiB
Bash
Executable File
66 lines
2.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2024 the Pinniped contributors. All Rights Reserved.
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# SPDX-License-Identifier: Apache-2.0
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# Sometimes something goes wrong with a GKE test job's cleanup and a
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# GKE cluster gets orphaned, meaning that it is still running but no
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# CI job is aware to clean it up.
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#
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# Find and delete all orphaned GKE clusters by deleting those which:
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# 1. Are running in GCP with a name that indicates that it was auto-created for testing,
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# 2. And are older than some number of hours since their creation time.
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#
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# Params are CLUSTER_ZONE, GCP_PROJECT, GCP_SERVICE_ACCOUNT, and GCP_JSON_KEY.
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set -euo pipefail
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gcloud auth activate-service-account \
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"$GCP_SERVICE_ACCOUNT" \
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--key-file <(echo "$GCP_JSON_KEY") \
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--project "$GCP_PROJECT"
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all_cloud=($(gcloud container clusters list \
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--zone "$CLUSTER_ZONE" --project "$GCP_PROJECT" \
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--filter "name~gke-[a-f0-9]+-zone-${CLUSTER_ZONE}" --format 'table[no-heading](name)' | sort))
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now_in_seconds_since_epoch=$(date +"%s")
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hours_ago_to_delete=2
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clusters_to_remove=()
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echo
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echo "All auto-created GKE clusters (with creation time in UTC):"
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for i in "${all_cloud[@]}"; do
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creation_time=$(gcloud container clusters describe "$i" \
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--zone "$CLUSTER_ZONE" --project "$GCP_PROJECT" \
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--format 'table[no-heading](createTime.date(tz=UTC))')
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# UTC date format example: 2022-04-01T17:01:59
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if [[ "$creation_time" =~ ^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}$ ]]; then
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# Note: on MacOS this date command would be: date -ju -f '%Y-%m-%dT%H:%M:%S' "$creation_time" '+%s'
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creation_time_seconds_since_epoch=$(date -u -d "$creation_time" '+%s')
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if (($((now_in_seconds_since_epoch - creation_time_seconds_since_epoch)) > $((hours_ago_to_delete * 60 * 60)))); then
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clusters_to_remove+=("$i")
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echo "$i $creation_time (older than $hours_ago_to_delete hours)"
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else
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echo "$i $creation_time (less than $hours_ago_to_delete hours old)"
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fi
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else
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echo "GKE cluster creation time not in expected time format: $creation_time"
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exit 1
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fi
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done
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if [[ ${#all_cloud[@]} -eq 0 ]]; then
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echo "none"
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fi
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echo
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if [[ ${#clusters_to_remove[@]} -eq 0 ]]; then
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echo "No old orphaned GKE clusters found to remove."
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else
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echo "Removing ${#clusters_to_remove[@]} GKE clusters(s) which are older than $hours_ago_to_delete hours in $CLUSTER_ZONE: ${clusters_to_remove[*]} ..."
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gcloud container clusters delete --zone "${CLUSTER_ZONE}" --quiet ${clusters_to_remove[*]}
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fi
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echo
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echo "Done!"
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