mirror of
https://github.com/weaveworks/scope.git
synced 2026-03-03 02:00:43 +00:00
36b743fe1f
- Restructure main funcs for clean defer-stack-unwinds - Fix Docker container to handle signals properly - Introduce runsvinit for container init process - Integration test
94 lines
2.7 KiB
Bash
Executable File
94 lines
2.7 KiB
Bash
Executable File
#!/bin/sh
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usage() {
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echo "$0 --dns <IP> --hostname <NAME> --searchpath <SEARCHPATH> --app.foo bar --probe.foo bar"
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exit 1
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}
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# This script exists to modify the network settings in the scope containers
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# as docker doesn't allow it when started with --net=host
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mkdir -p /etc/weave
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APP_ARGS=""
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PROBE_ARGS=""
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while true; do
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case "$1" in
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--dns)
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[ $# -gt 1 ] || usage
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DNS_SERVER="$2"
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shift
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;;
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--searchpath)
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[ $# -gt 1 ] || usage
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SEARCHPATH="$2"
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shift
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;;
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--app.*)
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if echo "$1" | grep "=" 1>/dev/null; then
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ARG_NAME=$(echo "$1" | sed 's/\-\-app\.\([^=]*\)=\(.*\)/\1/')
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ARG_VALUE=$(echo "$1" | sed 's/\-\-app\.\([^=]*\)=\(.*\)/\2/')
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else
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[ $# -gt 1 ] || usage
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ARG_NAME=$(echo "$1" | sed 's/\-\-app\.//')
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ARG_VALUE="$2"
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shift
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fi
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APP_ARGS="$APP_ARGS -$ARG_NAME=$ARG_VALUE"
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;;
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--probe.*)
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if echo "$1" | grep "=" 1>/dev/null; then
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ARG_NAME=$(echo "$1" | sed 's/\-\-probe\.\([^=]*\)=\(.*\)/\1/')
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ARG_VALUE=$(echo "$1" | sed 's/\-\-probe\.\([^=]*\)=\(.*\)/\2/')
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else
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[ $# -gt 1 ] || usage
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ARG_NAME=$(echo "$1" | sed 's/\-\-probe\.//')
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ARG_VALUE="$2"
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shift
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fi
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PROBE_ARGS="$PROBE_ARGS -$ARG_NAME=$ARG_VALUE"
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;;
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--service-token*)
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if echo "$1" | grep "=" 1>/dev/null; then
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ARG_VALUE=$(echo "$1" | sed 's/\-\-service-token=\(.*\)/\1/')
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else
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[ $# -gt 1 ] || usage
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ARG_VALUE="$2"
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shift
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fi
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PROBE_ARGS="$PROBE_ARGS -token=$ARG_VALUE"
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echo "scope.weave.works:80" >/etc/weave/apps
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touch /etc/service/app/down
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;;
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--no-app)
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touch /etc/service/app/down
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;;
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--no-probe)
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touch /etc/service/probe/down
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;;
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*)
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break
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;;
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esac
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shift
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done
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echo "$APP_ARGS" >/etc/weave/scope-app.args
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echo "$PROBE_ARGS" >/etc/weave/scope-probe.args
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if [ -n "$DNS_SERVER" -a -n "$SEARCHPATH" ]; then
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echo "domain $SEARCHPATH" >/etc/resolv.conf
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echo "search $SEARCHPATH" >>/etc/resolv.conf
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echo "nameserver $DNS_SERVER" >>/etc/resolv.conf
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fi
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# End of the command line can optionally be some
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# addresses of apps to connect to, for people not
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# using Weave DNS. We stick these in /etc/weave/apps
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# for the run-probe script to pick up.
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MANUAL_APPS=$@
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echo "$MANUAL_APPS" >>/etc/weave/apps
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exec /home/weave/runsvinit
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