80 lines
2.7 KiB
Bash
Executable File
80 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2017 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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# Call this to dump all Federation pod logs into the folder specified in $1
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# (defaults to _artifacts).
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set -o errexit
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set -o nounset
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set -o pipefail
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# For FEDERATION_NAMESPACE
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KUBE_ROOT=$(dirname "${BASH_SOURCE}")/../..
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source "${KUBE_ROOT}/federation/cluster/common.sh"
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readonly REPORT_DIR="${1:-_artifacts}"
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OUTPUT_DIR="${REPORT_DIR}/federation"
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# Dumps logs for all pods in a federation.
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function dump_federation_pod_logs() {
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local -r federation_pod_names=($(kubectl get pods -l 'app=federated-cluster' --namespace=${FEDERATION_NAMESPACE} -o name))
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for pod_name in ${federation_pod_names[@]}; do
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# The API server pod has two containers
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if [[ "${pod_name}" == *apiserver* ]]; then
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dump_apiserver_pod_logs "${pod_name}"
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continue
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fi
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kubectl logs "${pod_name}" --namespace="${FEDERATION_NAMESPACE}" \
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>"${OUTPUT_DIR}/${pod_name#pods/}.log"
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done
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}
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# Dumps logs from all containers in an API server pod.
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# Arguments:
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# - the name of the API server pod, with a pods/ prefix.
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function dump_apiserver_pod_logs() {
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local -r apiserver_pod_containers=(apiserver etcd)
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for container in ${apiserver_pod_containers[@]}; do
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kubectl logs "${1}" -c "${container}" --namespace="${FEDERATION_NAMESPACE}" \
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>"${OUTPUT_DIR}/${1#pods/}-${container}.log"
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done
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}
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# Dumps logs from all containers in the DNS pods.
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# TODO: This currently only grabs DNS pod logs from the host cluster. It should
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# grab those logs from all clusters in the federation.
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function dump_dns_pod_logs() {
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local -r dns_pod_names=($(kubectl get pods -l 'k8s-app=kube-dns' --namespace=kube-system -o name))
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local -r dns_pod_containers=(kubedns dnsmasq sidecar)
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for pod_name in ${dns_pod_names[@]}; do
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# As of 3/2017, the only pod that matches the kube-dns label is kube-dns, and
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# it has three containers.
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for container in ${dns_pod_containers[@]}; do
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kubectl logs "${pod_name}" -c "${container}" --namespace=kube-system \
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>"${OUTPUT_DIR}/${pod_name#pods/}-${container}.log"
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done
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done
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}
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echo "Dumping Federation and DNS pod logs to ${REPORT_DIR}"
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mkdir -p "${OUTPUT_DIR}"
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dump_federation_pod_logs
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dump_dns_pod_logs
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