83 lines
2.5 KiB
Bash
Executable File
83 lines
2.5 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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source $(dirname "${BASH_SOURCE[0]}")/utils.sh
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# RESTART_WAIT_PERIOD is the period to wait before restarting containerd.
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RESTART_WAIT_PERIOD=${RESTART_WAIT_PERIOD:-10}
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# CONTAINERD_FLAGS contains all containerd flags.
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CONTAINERD_FLAGS="--log-level=debug "
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# Use a configuration file for containerd.
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CONTAINERD_CONFIG_FILE=${CONTAINERD_CONFIG_FILE:-""}
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if [ -f "${CONTAINERD_CONFIG_FILE}" ]; then
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CONTAINERD_FLAGS+="--config ${CONTAINERD_CONFIG_FILE} "
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fi
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CONTAINERD_SOCK=unix:///run/containerd/containerd.sock
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containerd_pid=
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# test_setup starts containerd.
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test_setup() {
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local report_dir=$1
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# Start containerd
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if [ ! -x ${ROOT}/_output/containerd ]; then
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echo "containerd is not built"
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exit 1
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fi
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sudo pkill -x containerd
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keepalive "sudo PATH=${PATH} ${ROOT}/_output/containerd ${CONTAINERD_FLAGS}" \
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${RESTART_WAIT_PERIOD} &> ${report_dir}/containerd.log &
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containerd_pid=$!
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# Wait for containerd to be running by using the containerd client ctr to check the version
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# of the containerd server. Wait an increasing amount of time after each of five attempts
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readiness_check "sudo ctr version"
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readiness_check "sudo ${GOPATH}/bin/crictl --runtime-endpoint=${CONTAINERD_SOCK} info"
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}
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# test_teardown kills containerd.
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test_teardown() {
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if [ -n "${containerd_pid}" ]; then
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kill ${containerd_pid}
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fi
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sudo pkill -x containerd
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}
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# keepalive runs a command and keeps it alive.
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# keepalive process is eventually killed in test_teardown.
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keepalive() {
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local command=$1
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echo ${command}
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local wait_period=$2
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while true; do
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${command}
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sleep ${wait_period}
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done
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}
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# readiness_check checks readiness of a daemon with specified command.
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readiness_check() {
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local command=$1
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local MAX_ATTEMPTS=5
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local attempt_num=1
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until ${command} &> /dev/null || (( attempt_num == MAX_ATTEMPTS ))
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do
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echo "$attempt_num attempt \"$command\"! Trying again in $attempt_num seconds..."
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sleep $(( attempt_num++ ))
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done
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}
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