metrics: add tunneling script for access via SSH

License: MIT
Signed-off-by: Lars Gierth <[email protected]>

solarnet/metrics.sh

@@ -0,0 +1,57 @@
+#!/bin/sh
+
+[email protected]
+target=metrics.i.ipfs.io:80
+localport=8080
+
+usage() {
+  echo "usage: $0 [<proxy>] [<target>] [<localport>]"
+  echo "proxy through to a target "
+  exit 1
+}
+
+die() {
+  echo "error: $@"
+  exit 1
+}
+
+if [ $# -ge 1 ]; then
+  proxy="$1"
+fi
+
+if [ $# -ge 2 ]; then
+  target="$2"
+fi
+
+if [ $# -ge 3 ]; then
+  localport="$3"
+fi
+
+# set up local url
+localurl="http://localhost:$localport"
+
+# setup proxy
+echo "setting up proxy through $proxy"
+ssh "$proxy" -N -L "$localport:$target" &
+sid="$!"
+
+kill -0 "$!" || die "failed to log into $proxy"
+
+cleanup() {
+  echo "stopping..."
+  kill "$sid"
+  exit
+}
+
+trap cleanup INT TERM
+
+# use proxy
+echo "proxying $localurl -> $proxy -> $target"
+
+# open
+echo "open $localurl"
+open "$localurl"
+
+# wait forever
+echo "enter ^C to stop"
+tail -f /dev/null