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52653195f6
The list-resources.sh script is used solely by our CI, specifically kubernetes/test-infra/kubetest with the --check-leaked-resources flag. Currently if a single resource fails to list, we fail the entire job. I think this is too brittle. A review of previous issues on kubernetes/kubernetes that relate to failure of this script shows that the issues usually resolve themselves, or would be caught by the diff of before/after. Let's instead allow the script to continue listing all resources, and let kubetest's resource diff fail the job.
103 lines
3.6 KiB
Bash
Executable File
103 lines
3.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2015 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Calls gcloud to print out a variety of Google Cloud Platform resources used by
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# Kubernetes. Can be run before/after test runs and compared to track leaking
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# resources.
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# PROJECT must be set in the environment.
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# If ZONE, KUBE_GCE_INSTANCE_PREFIX, CLUSTER_NAME, KUBE_GCE_NETWORK, or
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# KUBE_GKE_NETWORK is set, they will be used to filter the results.
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set -o errexit
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set -o nounset
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set -o pipefail
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ZONE=${ZONE:-}
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REGION=${ZONE%-*}
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INSTANCE_PREFIX=${KUBE_GCE_INSTANCE_PREFIX:-${CLUSTER_NAME:-}}
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NETWORK=${KUBE_GCE_NETWORK:-${KUBE_GKE_NETWORK:-}}
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# In GKE the instance prefix starts with "gke-".
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if [[ "${KUBERNETES_PROVIDER:-}" == "gke" ]]; then
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INSTANCE_PREFIX="gke-${CLUSTER_NAME}"
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# Truncate to 26 characters for route prefix matching.
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INSTANCE_PREFIX="${INSTANCE_PREFIX:0:26}"
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fi
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# Usage: gcloud-list <group> <resource> <additional parameters to gcloud...>
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# GREP_REGEX is applied to the output of gcloud if set
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GREP_REGEX=""
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function gcloud-list() {
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local -r group=$1
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local -r resource=$2
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local -r filter=${3:-}
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echo -e "\n\n[ ${group} ${resource} ]"
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local attempt=1
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local result=""
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while true; do
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if result=$(gcloud "${group}" "${resource}" list --project="${PROJECT}" ${filter:+--filter="$filter"} "${@:4}"); then
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if [[ -n "${GREP_REGEX:-}" ]]; then
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result=$(echo "${result}" | grep "${GREP_REGEX}" || true)
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fi
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echo "${result}"
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return
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fi
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echo -e "Attempt ${attempt} failed to list ${resource}. Retrying." >&2
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attempt=$((attempt + 1))
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if [[ ${attempt} -gt 5 ]]; then
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echo -e "List ${resource} failed!" >&2
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exit 2
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fi
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sleep $((5 * attempt))
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done
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}
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echo "Project: ${PROJECT}"
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echo "Region: ${REGION}"
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echo "Zone: ${ZONE}"
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echo "Instance prefix: ${INSTANCE_PREFIX:-}"
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echo "Network: ${NETWORK}"
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echo "Provider: ${KUBERNETES_PROVIDER:-}"
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# List resources related to instances, filtering by the instance prefix if
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# provided.
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set +e # do not stop on error
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gcloud-list compute instance-templates "name ~ '${INSTANCE_PREFIX}.*'"
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gcloud-list compute instance-groups "${ZONE:+"zone:(${ZONE}) AND "}name ~ '${INSTANCE_PREFIX}.*'"
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gcloud-list compute instances "${ZONE:+"zone:(${ZONE}) AND "}name ~ '${INSTANCE_PREFIX}.*'"
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# List disk resources, filtering by instance prefix if provided.
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gcloud-list compute disks "${ZONE:+"zone:(${ZONE}) AND "}name ~ '${INSTANCE_PREFIX}.*'"
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# List network resources. We include names starting with "a", corresponding to
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# those that Kubernetes creates.
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gcloud-list compute addresses "${REGION:+"region=(${REGION}) AND "}name ~ 'a.*|${INSTANCE_PREFIX}.*'"
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# Match either the header or a line with the specified e2e network.
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# This assumes that the network name is the second field in the output.
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GREP_REGEX="^NAME\|^[^ ]\+[ ]\+\(default\|${NETWORK}\) "
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gcloud-list compute routes "name ~ 'default.*|${INSTANCE_PREFIX}.*'"
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gcloud-list compute firewall-rules "name ~ 'default.*|k8s-fw.*|${INSTANCE_PREFIX}.*'"
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GREP_REGEX=""
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gcloud-list compute forwarding-rules ${REGION:+"region=(${REGION})"}
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gcloud-list compute target-pools ${REGION:+"region=(${REGION})"}
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gcloud-list logging sinks
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set -e
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