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authormakefu <github@syntax-fehler.de>2014-02-20 18:50:20 +0100
committermakefu <github@syntax-fehler.de>2014-02-20 18:50:20 +0100
commitf46851de1af7c044471523c40e0fe88579b8a997 (patch)
treef5d2e1424ef4cae39881bae5f4966976c482e12c /ship/lib/retiolum
parent3d8232b6effc27bea833f0f99ab80f7c740d5433 (diff)
add proposal for find-supers
this script may be used when bootstrapping new retiolum nodes
Diffstat (limited to 'ship/lib/retiolum')
-rw-r--r--ship/lib/retiolum76
1 files changed, 76 insertions, 0 deletions
diff --git a/ship/lib/retiolum b/ship/lib/retiolum
new file mode 100644
index 00000000..015537bd
--- /dev/null
+++ b/ship/lib/retiolum
@@ -0,0 +1,76 @@
+#!/bin/sh
+# retiolum host functions
+#@include core
+netname=${netname:-retiolum}
+
+
+check_free_v4(){
+ myipv4=${1-10.243.0.-1}
+ v4num=${myipv4##*.}
+ printf "Retard check: "
+ if [ "$v4num" -gt 0 -a "$v4num" -lt "256" ];
+ then
+ info "No retard detected\n"
+ cd /etc/tinc/$netname/hosts
+ info "Check if ip is still free: "
+ for i in `ls -1`; do
+ if grep -q -e $myipv4\$ $i ;then
+ warn "Host IP already taken by $i! "
+ return 1
+ fi
+ done
+ info "Passed\n"
+ return 0
+ else
+ error "you are made of stupid. bailing out\n"
+ return 1
+ fi
+ cd - >/dev/null
+}
+
+find_active_nodes(){
+ # TODO this function currently only supports a single address for a host
+ cd /etc/tinc/retiolum/hosts
+ # posix grep does not support [[:space:]]
+ for name in `
+ grep '^[ ]*Address[ ]*=' * |
+ cut -d: -f1 | sort | uniq
+ `; do
+ if eval "`sed -n '
+ s/[ ]\+//g
+ s/^\(Address\|Port\)=\(.*\)/\1="\${\1+\$\1\n}\2"/p
+ ' $name`"; then
+ port=${Port-655}
+ for host in $Address; do
+ if nc -zw 2 $host $port 2>/dev/null; then
+ echo "$name [('$host', $port)]"
+ fi &
+ done
+ wait
+ fi &
+ done
+ wait
+ cd - >/dev/null
+}
+find_supernodes(){
+ cd /etc/tinc/retiolum/hosts
+ for name in `
+ grep '^[ ]*Address[ ]*=' * |
+ cut -d: -f1 | sort | uniq
+ `; do
+ if eval "`sed -n '
+ s/[ ]\+//g
+ s/^\(Address\|Port\)=\(.*\)/\1="\${\1+\$\1\n}\2"/p
+ ' $name`"; then
+ port=${Port-655}
+ for host in $Address; do
+ if nc -zw 2 $host $port 2>/dev/null; then
+ echo "$name [('$host', $port)]"
+ fi &
+ done
+ wait
+ fi &
+ done
+ wait
+ cd - >/dev/null
+}