Switch to github.com/golang/dep for vendoring
Signed-off-by: Mrunal Patel <mrunalp@gmail.com>
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Mrunal Patel
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15431 changed files with 3971413 additions and 8881 deletions
242
vendor/k8s.io/kubernetes/cluster/log-dump.sh
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vendored
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vendor/k8s.io/kubernetes/cluster/log-dump.sh
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#!/bin/bash
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# Copyright 2016 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 master and node logs into the folder specified in $1
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# (defaults to _artifacts). Only works if the provider supports SSH.
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set -o errexit
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set -o nounset
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set -o pipefail
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readonly report_dir="${1:-_artifacts}"
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# In order to more trivially extend log-dump for custom deployments,
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# check for a function named log_dump_custom_get_instances. If it's
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# defined, we assume the function can me called with one argument, the
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# role, which is either "master" or "node".
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if [[ $(type -t log_dump_custom_get_instances) == "function" ]]; then
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readonly use_custom_instance_list=yes
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else
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readonly use_custom_instance_list=
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fi
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readonly master_ssh_supported_providers="gce aws kubemark"
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readonly node_ssh_supported_providers="gce gke aws"
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readonly master_logfiles="kube-apiserver kube-scheduler rescheduler kube-controller-manager etcd etcd-events glbc cluster-autoscaler kube-addon-manager fluentd"
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readonly node_logfiles="kube-proxy fluentd"
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readonly aws_logfiles="cloud-init-output"
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readonly gce_logfiles="startupscript"
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readonly kern_logfile="kern"
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readonly initd_logfiles="docker"
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readonly supervisord_logfiles="kubelet supervisor/supervisord supervisor/kubelet-stdout supervisor/kubelet-stderr supervisor/docker-stdout supervisor/docker-stderr"
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readonly systemd_services="kubelet docker"
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# Limit the number of concurrent node connections so that we don't run out of
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# file descriptors for large clusters.
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readonly max_scp_processes=25
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# This template spits out the external IPs and images for each node in the cluster in a format like so:
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# 52.32.7.85 gcr.io/google_containers/kube-apiserver:1355c18c32d7bef16125120bce194fad gcr.io/google_containers/kube-controller-manager:46365cdd8d28b8207950c3c21d1f3900 [...]
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readonly ips_and_images='{range .items[*]}{@.status.addresses[?(@.type == "ExternalIP")].address} {@.status.images[*].names[*]}{"\n"}{end}'
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function setup() {
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if [[ -z "${use_custom_instance_list}" ]]; then
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KUBE_ROOT=$(dirname "${BASH_SOURCE}")/..
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: ${KUBE_CONFIG_FILE:="config-test.sh"}
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source "${KUBE_ROOT}/cluster/kube-util.sh"
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detect-project &> /dev/null
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elif [[ -z "${LOG_DUMP_SSH_KEY:-}" ]]; then
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echo "LOG_DUMP_SSH_KEY not set, but required when using log_dump_custom_get_instances"
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exit 1
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elif [[ -z "${LOG_DUMP_SSH_USER:-}" ]]; then
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echo "LOG_DUMP_SSH_USER not set, but required when using log_dump_custom_get_instances"
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exit 1
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fi
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}
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function log-dump-ssh() {
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if [[ -z "${use_custom_instance_list}" ]]; then
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ssh-to-node "$@"
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return
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fi
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local host="$1"
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local cmd="$2"
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ssh -oLogLevel=quiet -oConnectTimeout=30 -oStrictHostKeyChecking=no -i "${LOG_DUMP_SSH_KEY}" "${LOG_DUMP_SSH_USER}@${host}" "${cmd}"
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}
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# Copy all files /var/log/{$3}.log on node $1 into local dir $2.
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# $3 should be a space-separated string of files.
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# This function shouldn't ever trigger errexit, but doesn't block stderr.
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function copy-logs-from-node() {
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local -r node="${1}"
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local -r dir="${2}"
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local files=( ${3} )
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# Append ".log*"
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# The * at the end is needed to also copy rotated logs (which happens
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# in large clusters and long runs).
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files=( "${files[@]/%/.log*}" )
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# Prepend "/var/log/"
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files=( "${files[@]/#/\/var\/log\/}" )
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# Comma delimit (even the singleton, or scp does the wrong thing), surround by braces.
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local -r scp_files="{$(printf "%s," "${files[@]}")}"
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if [[ -n "${use_custom_instance_list}" ]]; then
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scp -oLogLevel=quiet -oConnectTimeout=30 -oStrictHostKeyChecking=no -i "${LOG_DUMP_SSH_KEY}" "${LOG_DUMP_SSH_USER}@${node}:${scp_files}" "${dir}" > /dev/null || true
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else
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case "${KUBERNETES_PROVIDER}" in
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gce|gke|kubemark)
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# get-serial-port-output lets you ask for ports 1-4, but currently (11/21/2016) only port 1 contains useful information
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gcloud compute instances get-serial-port-output --project "${PROJECT}" --zone "${ZONE}" --port 1 "${node}" > "${dir}/serial-1.log" || true
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gcloud compute copy-files --project "${PROJECT}" --zone "${ZONE}" "${node}:${scp_files}" "${dir}" > /dev/null || true
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;;
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aws)
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local ip=$(get_ssh_hostname "${node}")
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scp -oLogLevel=quiet -oConnectTimeout=30 -oStrictHostKeyChecking=no -i "${AWS_SSH_KEY}" "${SSH_USER}@${ip}:${scp_files}" "${dir}" > /dev/null || true
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;;
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esac
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fi
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}
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# Save logs for node $1 into directory $2. Pass in any non-common files in $3.
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# $3 should be a space-separated list of files.
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# This function shouldn't ever trigger errexit
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function save-logs() {
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local -r node_name="${1}"
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local -r dir="${2}"
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local files="${3}"
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if [[ -n "${use_custom_instance_list}" ]]; then
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if [[ -n "${LOG_DUMP_SAVE_LOGS:-}" ]]; then
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files="${files} ${LOG_DUMP_SAVE_LOGS:-}"
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fi
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else
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case "${KUBERNETES_PROVIDER}" in
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gce|gke|kubemark)
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files="${files} ${gce_logfiles}"
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;;
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aws)
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files="${files} ${aws_logfiles}"
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;;
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esac
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fi
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local -r services=( ${systemd_services} ${LOG_DUMP_SAVE_SERVICES:-} )
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if log-dump-ssh "${node_name}" "command -v journalctl" &> /dev/null; then
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log-dump-ssh "${node_name}" "sudo journalctl --output=short-precise -u kube-node-installation.service" > "${dir}/kube-node-installation.log" || true
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log-dump-ssh "${node_name}" "sudo journalctl --output=short-precise -u kube-node-configuration.service" > "${dir}/kube-node-configuration.log" || true
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log-dump-ssh "${node_name}" "sudo journalctl --output=short-precise -k" > "${dir}/kern.log" || true
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for svc in "${services[@]}"; do
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log-dump-ssh "${node_name}" "sudo journalctl --output=cat -u ${svc}.service" > "${dir}/${svc}.log" || true
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done
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else
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files="${kern_logfile} ${files} ${initd_logfiles} ${supervisord_logfiles}"
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fi
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echo "Copying '${files}' from ${node_name}"
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copy-logs-from-node "${node_name}" "${dir}" "${files}"
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}
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function dump_masters() {
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local master_names
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if [[ -n "${use_custom_instance_list}" ]]; then
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master_names=( $(log_dump_custom_get_instances master) )
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elif [[ ! "${master_ssh_supported_providers}" =~ "${KUBERNETES_PROVIDER}" ]]; then
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echo "Master SSH not supported for ${KUBERNETES_PROVIDER}"
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return
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else
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if ! (detect-master &> /dev/null); then
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echo "Master not detected. Is the cluster up?"
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return
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fi
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master_names=( "${MASTER_NAME}" )
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fi
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if [[ "${#master_names[@]}" == 0 ]]; then
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echo "No masters found?"
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return
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fi
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proc=${max_scp_processes}
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for master_name in "${master_names[@]}"; do
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master_dir="${report_dir}/${master_name}"
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mkdir -p "${master_dir}"
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save-logs "${master_name}" "${master_dir}" "${master_logfiles}" &
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# We don't want to run more than ${max_scp_processes} at a time, so
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# wait once we hit that many nodes. This isn't ideal, since one might
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# take much longer than the others, but it should help.
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proc=$((proc - 1))
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if [[ proc -eq 0 ]]; then
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proc=${max_scp_processes}
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wait
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fi
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done
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# Wait for any remaining processes.
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if [[ proc -gt 0 && proc -lt ${max_scp_processes} ]]; then
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wait
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fi
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}
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function dump_nodes() {
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local node_names
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if [[ -n "${use_custom_instance_list}" ]]; then
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node_names=( $(log_dump_custom_get_instances node) )
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elif [[ ! "${node_ssh_supported_providers}" =~ "${KUBERNETES_PROVIDER}" ]]; then
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echo "Node SSH not supported for ${KUBERNETES_PROVIDER}"
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return
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else
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detect-node-names &> /dev/null
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if [[ "${#NODE_NAMES[@]}" -eq 0 ]]; then
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echo "Nodes not detected. Is the cluster up?"
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return
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fi
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node_names=( "${NODE_NAMES[@]}" )
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fi
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if [[ "${#node_names[@]}" == 0 ]]; then
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echo "No nodes found?"
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return
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fi
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proc=${max_scp_processes}
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for node_name in "${node_names[@]}"; do
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node_dir="${report_dir}/${node_name}"
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mkdir -p "${node_dir}"
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# Save logs in the background. This speeds up things when there are
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# many nodes.
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save-logs "${node_name}" "${node_dir}" "${node_logfiles}" &
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# We don't want to run more than ${max_scp_processes} at a time, so
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# wait once we hit that many nodes. This isn't ideal, since one might
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# take much longer than the others, but it should help.
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proc=$((proc - 1))
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if [[ proc -eq 0 ]]; then
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proc=${max_scp_processes}
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wait
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fi
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done
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# Wait for any remaining processes.
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if [[ proc -gt 0 && proc -lt ${max_scp_processes} ]]; then
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wait
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fi
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}
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setup
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echo "Dumping master and node logs to ${report_dir}"
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dump_masters
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dump_nodes
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