containerd/hack/test-utils.sh
Lantao Liu 144ff3989b Update all glog flags to log-level.
Signed-off-by: Lantao Liu <lantaol@google.com>
2018-01-17 21:57:31 +00:00

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#!/bin/bash
# Copyright 2017 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
source $(dirname "${BASH_SOURCE[0]}")/utils.sh
source ${ROOT}/hack/versions
# CRI_CONTAINERD_FLAGS are the extra flags to use when start cri-containerd.
CRI_CONTAINERD_FLAGS=${CRI_CONTAINERD_FLAGS:-""}
# RESTART_WAIT_PERIOD is the period to wait before restarting cri-containerd/containerd.
RESTART_WAIT_PERIOD=${RESTART_WAIT_PERIOD:-10}
# STANDALONE_CRI_CONTAINERD indicates whether to run standalone cri-containerd.
STANDALONE_CRI_CONTAINERD=${STANDALONE_CRI_CONTAINERD:-true}
CRICONTAINERD_SOCK=/var/run/cri-containerd.sock
cri_containerd_pid=
containerd_pid=
# test_setup starts containerd and cri-containerd.
test_setup() {
local report_dir=$1
if [ ! -x ${ROOT}/_output/cri-containerd ]; then
echo "cri-containerd is not built"
exit 1
fi
# Start containerd
if [ ! -x "$(command -v containerd)" ]; then
echo "containerd is not installed, please run hack/install-deps.sh"
exit 1
fi
sudo pkill containerd
keepalive "sudo containerd" ${RESTART_WAIT_PERIOD} &> ${report_dir}/containerd.log &
containerd_pid=$!
# Wait for containerd to be running by using the containerd client ctr to check the version
# of the containerd server. Wait an increasing amount of time after each of five attempts
readiness_check "sudo ctr version"
# Start cri-containerd
if ${STANDALONE_CRI_CONTAINERD}; then
keepalive "sudo ${ROOT}/_output/cri-containerd --log-level=debug ${CRI_CONTAINERD_FLAGS}" \
${RESTART_WAIT_PERIOD} &> ${report_dir}/cri-containerd.log &
cri_containerd_pid=$!
fi
readiness_check "sudo ${GOPATH}/bin/crictl --runtime-endpoint=${CRICONTAINERD_SOCK} info"
}
# test_teardown kills containerd and cri-containerd.
test_teardown() {
if [ -n "${containerd_pid}" ]; then
kill ${containerd_pid}
fi
if [ -n "${cri_containerd_pid}" ]; then
kill ${cri_containerd_pid}
fi
sudo pkill containerd
}
# keepalive runs a command and keeps it alive.
# keepalive process is eventually killed in test_teardown.
keepalive() {
local command=$1
echo ${command}
local wait_period=$2
while true; do
${command}
sleep ${wait_period}
done
}
# readiness_check checks readiness of a daemon with specified command.
readiness_check() {
local command=$1
local MAX_ATTEMPTS=5
local attempt_num=1
until ${command} &> /dev/null || (( attempt_num == MAX_ATTEMPTS ))
do
echo "$attempt_num attempt \"$command\"! Trying again in $attempt_num seconds..."
sleep $(( attempt_num++ ))
done
}