72 lines
1.6 KiB
Django/Jinja
72 lines
1.6 KiB
Django/Jinja
#!/bin/bash
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{% if tripleo_systemd_wrapper_debug|bool -%}
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set -x
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{% endif -%}
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add_date() {
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echo "$(date) $@"
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}
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# Set up script logging for debugging purpose.
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# It will be taken care of by logrotate since there is the .log
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# suffix.
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exec 3>&1 4>&2
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trap 'exec 2>&4 1>&3' 0 1 2 3
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exec 1>>/var/log/neutron/kill-script.log 2>&1
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SIG=$1
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PID=$2
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NETNS=$(ip netns identify ${PID})
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if [ "x${NETNS}" == "x" ]; then
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add_date "No network namespace detected, exiting"
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exit 1
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fi
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{% if tripleo_systemd_wrapper_container_cli == 'podman' %}
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CLI="nsenter --net=/run/netns/${NETNS} --preserve-credentials -m -t 1 podman"
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{% elif tripleo_systemd_wrapper_container_cli == 'docker' %}
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{% if tripleo_systemd_wrapper_docker_additional_sockets and tripleo_systemd_wrapper_docker_additional_sockets|length > 0-%}
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export DOCKER_HOST=unix://{{ tripleo_systemd_wrapper_docker_additional_sockets[0] }}
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{% endif -%}
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CLI='docker'
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{% else %}
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CLI='echo noop'
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{% endif %}
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kill_container() {
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add_date "Stopping container $1 ($2)"
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$CLI stop $2
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add_date "Deleting container $1 ($2)"
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$CLI rm $2
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}
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hup_container() {
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add_date "Sending HUP signal to $1 ($2)"
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$CLI kill --signal HUP $2
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}
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{% raw -%}
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if [ -f /proc/$PID/cgroup ]; then
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# Get container ID based on process cgroups
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CT_ID=$(awk 'BEGIN {FS="[-.]"} /name=/{print $3}' /proc/$PID/cgroup)
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CT_NAME=$($CLI inspect -f '{{.Name}}' $CT_ID)
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case $SIG in
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HUP)
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hup_container $CT_NAME $CT_ID
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;;
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9)
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kill_container $CT_NAME $CT_ID
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;;
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*)
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add_date "Unknown action ${SIG} for ${CT_NAME} ${CT_ID}"
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exit 1
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;;
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esac
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else
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add_date "No such PID: ${PID}"
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exit 1
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fi
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{% endraw %}
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