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https://github.com/k3s-io/kubernetes.git
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fix cluster/log-dump/log-dump.sh shellcheck failures
This commit is contained in:
Benjamin Elder
parent
1c548c328a
commit
742701622a
@ -67,7 +67,7 @@ readonly max_dump_processes=25
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function setup() {
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KUBE_ROOT=$(dirname "${BASH_SOURCE[0]}")/../..
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if [[ -z "${use_custom_instance_list}" ]]; then
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: ${KUBE_CONFIG_FILE:="config-test.sh"}
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: "${KUBE_CONFIG_FILE:="config-test.sh"}"
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echo "Sourcing kube-util.sh"
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source "${KUBE_ROOT}/cluster/kube-util.sh"
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echo "Detecting project"
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@ -89,7 +89,7 @@ function setup() {
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}
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function log-dump-ssh() {
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if [[ "${gcloud_supported_providers}" =~ "${KUBERNETES_PROVIDER}" ]]; then
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if [[ "${gcloud_supported_providers}" =~ ${KUBERNETES_PROVIDER} ]]; then
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ssh-to-node "$@"
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return
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fi
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@ -106,7 +106,7 @@ function log-dump-ssh() {
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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=( ${3} )
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while IFS= read -r line; do files+=("$line"); done <<< "$3"
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# Append "*"
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# The * at the end is needed to also copy rotated logs (which happens
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# in large clusters and long runs).
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@ -116,12 +116,13 @@ function copy-logs-from-node() {
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# Comma delimit (even the singleton, or scp does the wrong thing), surround by braces.
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local -r scp_files="{$(printf "%s," "${files[@]}")}"
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if [[ "${gcloud_supported_providers}" =~ "${KUBERNETES_PROVIDER}" ]]; then
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if [[ "${gcloud_supported_providers}" =~ ${KUBERNETES_PROVIDER} ]]; then
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# get-serial-port-output lets you ask for ports 1-4, but currently (11/21/2016) only port 1 contains useful information
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gcloud compute instances get-serial-port-output --project "${PROJECT}" --zone "${ZONE}" --port 1 "${node}" > "${dir}/serial-1.log" || true
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gcloud compute scp --recurse --project "${PROJECT}" --zone "${ZONE}" "${node}:${scp_files}" "${dir}" > /dev/null || true
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elif [[ "${KUBERNETES_PROVIDER}" == "aws" ]]; then
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local ip=$(get_ssh_hostname "${node}")
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local ip
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ip=$(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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elif [[ -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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@ -138,26 +139,27 @@ function copy-logs-from-node() {
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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="${3}"
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local save_files="${3}"
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local opt_systemd_services="${4:-""}"
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local on_master="${5:-"false"}"
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files="${files} ${extra_log_files}"
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save_files="${save_files} ${extra_log_files}"
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if [[ -n "${use_custom_instance_list}" ]]; then
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if [[ -n "${LOG_DUMP_SAVE_LOGS:-}" ]]; then
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files="${files} ${LOG_DUMP_SAVE_LOGS:-}"
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save_files="${save_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)
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files="${files} ${gce_logfiles}"
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save_files="${save_files} ${gce_logfiles}"
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;;
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aws)
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files="${files} ${aws_logfiles}"
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save_files="${save_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} ${opt_systemd_services} ${extra_systemd_services} )
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read -r -a services <<< "${systemd_services} ${opt_systemd_services} ${extra_systemd_services}"
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if log-dump-ssh "${node_name}" "command -v journalctl" &> /dev/null; then
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if [[ "${on_master}" == "true" ]]; then
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@ -177,7 +179,7 @@ function save-logs() {
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log-dump-ssh "${node_name}" "sudo journalctl --output=short-precise" > "${dir}/systemd.log" || true
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fi
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else
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files="${kern_logfile} ${files} ${initd_logfiles} ${supervisord_logfiles}"
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save_files="${kern_logfile} ${save_files} ${initd_logfiles} ${supervisord_logfiles}"
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fi
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# Try dumping coverage profiles, if it looks like coverage is enabled in the first place.
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@ -198,8 +200,8 @@ function save-logs() {
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echo "Changing logfiles to be world-readable for download"
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log-dump-ssh "${node_name}" "sudo chmod -R a+r /var/log" || true
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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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echo "Copying '${save_files}' from ${node_name}"
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copy-logs-from-node "${node_name}" "${dir}" "${save_files}"
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}
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# Saves a copy of the Windows Docker event log to ${WINDOWS_LOGS_DIR}\docker.log
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@ -245,8 +247,9 @@ function save-windows-logs-via-diagnostics-tool() {
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local node="${1}"
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local dest_dir="${2}"
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gcloud compute instances add-metadata ${node} --metadata enable-diagnostics=true --project=${PROJECT} --zone=${ZONE}
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local logs_archive_in_gcs=$(gcloud alpha compute diagnose export-logs ${node} --zone=${ZONE} --project=${PROJECT} | tail -n 1)
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gcloud compute instances add-metadata "${node}" --metadata enable-diagnostics=true "--project=${PROJECT}" "--zone=${ZONE}"
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local logs_archive_in_gcs
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logs_archive_in_gcs=$(gcloud alpha compute diagnose export-logs "${node}" "--zone=${ZONE}" "--project=${PROJECT}" | tail -n 1)
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local temp_local_path="${node}.zip"
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for retry in {1..20}; do
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if gsutil mv "${logs_archive_in_gcs}" "${temp_local_path}" > /dev/null 2>&1; then
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@ -258,8 +261,8 @@ function save-windows-logs-via-diagnostics-tool() {
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done
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if [[ -f "${temp_local_path}" ]]; then
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unzip ${temp_local_path} -d "${dest_dir}" > /dev/null
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rm -f ${temp_local_path}
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unzip "${temp_local_path}" -d "${dest_dir}" > /dev/null
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rm -f "${temp_local_path}"
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fi
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}
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@ -272,14 +275,14 @@ function save-windows-logs-via-ssh() {
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export-windows-docker-images-list "${node}"
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local remote_files=()
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for file in ${windows_node_logfiles[@]}; do
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for file in "${windows_node_logfiles[@]}"; do
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remote_files+=( "${WINDOWS_LOGS_DIR}\\${file}" )
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done
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remote_files+=( "${windows_node_otherfiles[@]}" )
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# TODO(pjh, yujuhong): handle rotated logs and copying multiple files at the
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# same time.
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for remote_file in ${remote_files[@]}; do
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for remote_file in "${remote_files[@]}"; do
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# Retry up to 3 times to allow ssh keys to be properly propagated and
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# stored.
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for retry in {1..3}; do
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@ -301,7 +304,7 @@ function save-logs-windows() {
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local -r node="${1}"
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local -r dest_dir="${2}"
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if [[ ! "${gcloud_supported_providers}" =~ "${KUBERNETES_PROVIDER}" ]]; then
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if [[ ! "${gcloud_supported_providers}" =~ ${KUBERNETES_PROVIDER} ]]; then
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echo "Not saving logs for ${node}, Windows log dumping requires gcloud support"
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return
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fi
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@ -323,14 +326,14 @@ function run-in-docker-container() {
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local node_name="$1"
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local container="$2"
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shift 2
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log-dump-ssh "${node_name}" "docker exec \"\$(docker ps -f label=io.kubernetes.container.name=${container} --format \"{{.ID}}\")\" $@"
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log-dump-ssh "${node_name}" "docker exec \"\$(docker ps -f label=io.kubernetes.container.name=${container} --format \"{{.ID}}\")\" $*"
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}
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function dump_masters() {
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local master_names
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if [[ -n "${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}" =~ "${KUBERNETES_PROVIDER}" ]]; then
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while IFS='' read -r line; do master_names+=("$line"); done < <(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 ${KUBERNETES_PROVIDER}"
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return
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elif [[ -n "${KUBEMARK_MASTER_NAME:-}" ]]; then
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@ -381,8 +384,8 @@ function dump_nodes() {
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node_names=( "$@" )
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elif [[ -n "${use_custom_instance_list}" ]]; then
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echo "Dumping logs for nodes provided by log_dump_custom_get_instances() function"
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node_names=( $(log_dump_custom_get_instances node) )
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elif [[ ! "${node_ssh_supported_providers}" =~ "${KUBERNETES_PROVIDER}" ]]; then
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while IFS='' read -r line; do node_names+=("$line"); done < <(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 ${KUBERNETES_PROVIDER}"
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return
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else
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@ -409,7 +412,7 @@ function dump_nodes() {
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linux_nodes_selected_for_logs=()
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if [[ -n "${LOGDUMP_ONLY_N_RANDOM_NODES:-}" ]]; then
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# We randomly choose 'LOGDUMP_ONLY_N_RANDOM_NODES' many nodes for fetching logs.
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for index in `shuf -i 0-$(( ${#node_names[*]} - 1 )) -n ${LOGDUMP_ONLY_N_RANDOM_NODES}`
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for index in $(shuf -i 0-$(( ${#node_names[*]} - 1 )) -n "${LOGDUMP_ONLY_N_RANDOM_NODES}")
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do
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linux_nodes_selected_for_logs+=("${node_names[$index]}")
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done
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@ -475,7 +478,7 @@ function find_non_logexported_nodes() {
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echo "Successfully listed marker files for successful nodes"
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NON_LOGEXPORTED_NODES=()
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for node in "${NODE_NAMES[@]}"; do
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if [[ ! "${succeeded_nodes}" =~ "${node}" ]]; then
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if [[ ! "${succeeded_nodes}" =~ ${node} ]]; then
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NON_LOGEXPORTED_NODES+=("${node}")
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fi
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done
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@ -486,7 +489,8 @@ function find_non_logexported_nodes() {
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function dump_nodes_with_logexporter() {
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if [[ -n "${use_custom_instance_list}" ]]; then
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echo "Dumping logs for nodes provided by log_dump_custom_get_instances() function"
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NODE_NAMES=( $(log_dump_custom_get_instances node) )
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NODE_NAMES=()
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while IFS='' read -r line; do NODE_NAMES+=("$line"); done < <(log_dump_custom_get_instances node)
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else
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echo "Detecting nodes in the cluster"
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detect-node-names &> /dev/null
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@ -498,7 +502,7 @@ function dump_nodes_with_logexporter() {
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fi
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# Obtain parameters required by logexporter.
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local -r service_account_credentials="$(cat ${GOOGLE_APPLICATION_CREDENTIALS} | base64 | tr -d '\n')"
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local -r service_account_credentials="$(base64 <<< "${GOOGLE_APPLICATION_CREDENTIALS}" | tr -d '\n')"
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local -r cloud_provider="${KUBERNETES_PROVIDER}"
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local -r enable_hollow_node_logs="${ENABLE_HOLLOW_NODE_LOGS:-false}"
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local -r logexport_sleep_seconds="$(( 90 + NUM_NODES / 3 ))"
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@ -559,7 +563,6 @@ function dump_nodes_with_logexporter() {
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done; wait)
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# List registry of marker files (of nodes whose logexporter succeeded) from GCS.
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local nodes_succeeded
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for retry in {1..10}; do
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if find_non_logexported_nodes; then
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break
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@ -589,28 +592,29 @@ function dump_nodes_with_logexporter() {
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"${KUBECTL}" get pods --namespace "${logexporter_namespace}" || true
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"${KUBECTL}" delete namespace "${logexporter_namespace}" || true
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if [[ "${#failed_nodes[@]}" != 0 ]]; then
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echo -e "Dumping logs through SSH for the following nodes:\n${failed_nodes[@]}"
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echo -e "Dumping logs through SSH for the following nodes:\n${failed_nodes[*]}"
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dump_nodes "${failed_nodes[@]}"
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fi
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}
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function detect_node_failures() {
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if ! [[ "${gcloud_supported_providers}" =~ "${KUBERNETES_PROVIDER}" ]]; then
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if ! [[ "${gcloud_supported_providers}" =~ ${KUBERNETES_PROVIDER} ]]; then
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return
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fi
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detect-node-names
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if [[ "${KUBERNETES_PROVIDER}" == "gce" ]]; then
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local all_instance_groups=(${INSTANCE_GROUPS[@]} ${WINDOWS_INSTANCE_GROUPS[@]})
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local all_instance_groups=("${INSTANCE_GROUPS[@]}" "${WINDOWS_INSTANCE_GROUPS[@]}")
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else
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local all_instance_groups=(${INSTANCE_GROUPS[@]})
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local all_instance_groups=("${INSTANCE_GROUPS[@]}")
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fi
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if [ -z "${all_instance_groups:-}" ]; then
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return
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fi
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for group in "${all_instance_groups[@]}"; do
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local creation_timestamp=$(gcloud compute instance-groups managed describe \
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local creation_timestamp
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creation_timestamp=$(gcloud compute instance-groups managed describe \
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"${group}" \
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--project "${PROJECT}" \
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--zone "${ZONE}" \
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@ -2,4 +2,3 @@
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./cluster/gce/gci/configure.sh
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./cluster/gce/gci/master-helper.sh
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./cluster/gce/util.sh
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./cluster/log-dump/log-dump.sh
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