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|
#!/bin/bash
#
# A script to shutdown a dev swarm cluster.
set -e
ROOT="$(cd "$(dirname "$0")/../../.." && pwd)"
source "${ROOT}/swarm/dev/scripts/util.sh"
DEFAULT_BASE_DIR="${ROOT}/swarm/dev/cluster"
usage() {
cat >&2 <<USAGE
usage: $0 [options]
Shutdown a dev swarm cluster.
OPTIONS:
-d, --dir DIR Base directory [default: ${DEFAULT_BASE_DIR}]
-h, --help Show this message
USAGE
}
main() {
local base_dir="${DEFAULT_BASE_DIR}"
parse_args "$@"
local pid_dir="${base_dir}/pids"
stop_swarm_nodes
stop_node "geth"
stop_node "bootnode"
delete_network
}
parse_args() {
while true; do
case "$1" in
-h | --help)
usage
exit 0
;;
-d | --dir)
if [[ -z "$2" ]]; then
fail "--dir flag requires an argument"
fi
base_dir="$2"
shift 2
;;
*)
break
;;
esac
done
if [[ $# -ne 0 ]]; then
usage
fail "ERROR: invalid arguments: $@"
fi
}
stop_swarm_nodes() {
for name in $(ls "${pid_dir}" | grep -oP 'swarm\d+'); do
stop_node "${name}"
done
}
stop_node() {
local name=$1
local pid_file="${pid_dir}/${name}.pid"
if [[ -e "${pid_file}" ]]; then
info "stopping ${name}"
start-stop-daemon \
--stop \
--pidfile "${pid_file}" \
--remove-pidfile \
--oknodo \
--retry 15
fi
if ip netns list | grep -qF "${name}"; then
ip netns delete "${name}"
fi
if ip link show "veth${name}0" &>/dev/null; then
ip link delete dev "veth${name}0"
fi
}
delete_network() {
if ip link show "swarmbr0" &>/dev/null; then
ip link delete dev "swarmbr0"
fi
}
main "$@"
|
