mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-15 19:02:04 +00:00
130 lines
4.4 KiB
Bash
130 lines
4.4 KiB
Bash
#!/usr/bin/env bash
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set -uo pipefail
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####################################
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# IMPORTANT! #
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# EC2 instance should have #
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# `github:runner-type` tag #
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# set accordingly to a runner role #
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####################################
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echo "Running init script"
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export DEBIAN_FRONTEND=noninteractive
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export RUNNER_HOME=/home/ubuntu/actions-runner
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export RUNNER_URL="https://github.com/ClickHouse"
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# Funny fact, but metadata service has fixed IP
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INSTANCE_ID=$(ec2metadata --instance-id)
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export INSTANCE_ID
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# Add cloudflare DNS as a fallback
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# Get default gateway interface
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IFACE=$(ip --json route list | jq '.[]|select(.dst == "default").dev' --raw-output)
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# `Link 2 (eth0): 172.31.0.2`
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ETH_DNS=$(resolvectl dns "$IFACE") || :
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CLOUDFLARE_NS=1.1.1.1
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if [[ "$ETH_DNS" ]] && [[ "${ETH_DNS#*: }" != *"$CLOUDFLARE_NS"* ]]; then
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# Cut the leading legend
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ETH_DNS=${ETH_DNS#*: }
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# shellcheck disable=SC2206
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new_dns=(${ETH_DNS} "$CLOUDFLARE_NS")
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resolvectl dns "$IFACE" "${new_dns[@]}"
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fi
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# combine labels
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RUNNER_TYPE=$(/usr/local/bin/aws ec2 describe-tags --filters "Name=resource-id,Values=$INSTANCE_ID" --query "Tags[?Key=='github:runner-type'].Value" --output text)
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LABELS="self-hosted,Linux,$(uname -m),$RUNNER_TYPE"
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export LABELS
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# Refresh CloudWatch agent config
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aws ssm get-parameter --region us-east-1 --name AmazonCloudWatch-github-runners --query 'Parameter.Value' --output text > /opt/aws/amazon-cloudwatch-agent/etc/amazon-cloudwatch-agent.json
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systemctl restart amazon-cloudwatch-agent.service
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# Refresh teams ssh keys
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TEAM_KEYS_URL=$(aws ssm get-parameter --region us-east-1 --name team-keys-url --query 'Parameter.Value' --output=text)
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curl "${TEAM_KEYS_URL}" > /home/ubuntu/.ssh/authorized_keys2
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chown ubuntu: /home/ubuntu/.ssh -R
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# Create a pre-run script that will provide diagnostics info
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mkdir -p /tmp/actions-hooks
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cat > /tmp/actions-hooks/pre-run.sh << EOF
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#!/bin/bash
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set -uo pipefail
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echo "Runner's public DNS: $(ec2metadata --public-hostname)"
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echo "Runner's labels: ${LABELS}"
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EOF
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# Create a post-run script that will restart docker daemon before the job started
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cat > /tmp/actions-hooks/post-run.sh << 'EOF'
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#!/bin/bash
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set -xuo pipefail
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terminate-and-exit() {
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echo "Going to terminate the runner"
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INSTANCE_ID=$(ec2metadata --instance-id)
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# We execute it with at to not have it as an orphan process
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# GH Runners kill all remain processes
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echo "sleep 10; aws ec2 terminate-instances --instance-ids $INSTANCE_ID" | at now
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exit 0
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}
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# Free KiB, free percents
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ROOT_STAT=($(df / | awk '/\// {print $4 " " int($4/$2 * 100)}'))
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if [[ ${ROOT_STAT[0]} -lt 3000000 ]] || [[ ${ROOT_STAT[1]} -lt 5 ]]; then
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echo "The runner has ${ROOT_STAT[0]}KiB and ${ROOT_STAT[1]}% of free space on /"
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terminate-and-exit
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fi
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# shellcheck disable=SC2046
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docker ps --quiet | xargs --no-run-if-empty docker kill ||:
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# shellcheck disable=SC2046
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docker ps --all --quiet | xargs --no-run-if-empty docker rm -f ||:
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# If we have hanged containers after the previous commands, than we have a hanged one
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# and should restart the daemon
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if [ "$(docker ps --all --quiet)" ]; then
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# Systemd service of docker has StartLimitBurst=3 and StartLimitInterval=60s,
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# that's why we try restarting it for long
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for i in {1..25};
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do
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sudo systemctl restart docker && break || sleep 5
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done
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for i in {1..10}
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do
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docker info && break || sleep 2
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done
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# Last chance, otherwise we have to terminate poor instance
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docker info 1>/dev/null || { echo Docker unable to start; terminate-and-exit; }
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fi
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EOF
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while true; do
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runner_pid=$(pgrep run.sh)
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echo "Got runner pid $runner_pid"
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cd $RUNNER_HOME || exit 1
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if [ -z "$runner_pid" ]; then
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echo "Receiving token"
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RUNNER_TOKEN=$(/usr/local/bin/aws ssm get-parameter --name github_runner_registration_token --with-decryption --output text --query Parameter.Value)
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echo "Will try to remove runner"
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sudo -u ubuntu ./config.sh remove --token "$RUNNER_TOKEN" ||:
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echo "Going to configure runner"
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sudo -u ubuntu ./config.sh --url $RUNNER_URL --token "$RUNNER_TOKEN" --name "$INSTANCE_ID" --runnergroup Default --labels "$LABELS" --work _work
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echo "Run"
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sudo -u ubuntu \
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ACTIONS_RUNNER_HOOK_JOB_STARTED=/tmp/actions-hooks/pre-run.sh \
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ACTIONS_RUNNER_HOOK_JOB_COMPLETED=/tmp/actions-hooks/post-run.sh \
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./run.sh &
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sleep 15
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else
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echo "Runner is working with pid $runner_pid, nothing to do"
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sleep 10
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fi
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done
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