From 4a34debc88eda9d839584b52bfcf5fbca10ae307 Mon Sep 17 00:00:00 2001
From: tv <tv@shackspace.de>
Date: Tue, 15 Jul 2014 10:57:48 +0200
Subject: Reaktor commands nag: POC

---
 commands/nag | 32 ++++++++++++++++++++++++++++++++
 config.py    |  5 +++++
 2 files changed, 37 insertions(+)
 create mode 100755 commands/nag

diff --git a/commands/nag b/commands/nag
new file mode 100755
index 0000000..6803583
--- /dev/null
+++ b/commands/nag
@@ -0,0 +1,32 @@
+#! /bin/sh
+set -euf
+
+cd "$workdir"
+
+if test -e nag.hosts; then
+  echo "nag seems to run already... if not, then delete $workdir/nag.*, please"
+  exit 23
+fi
+
+trap 'rm -f nag.hosts nag.services nag.patch' EXIT INT QUIT
+
+(cd "$hostsdir" && ls | sort) > nag.hosts
+(cd "$servicesdir" && ls | sort) > nag.services
+
+diff -u nag.hosts nag.services > nag.patch || :
+
+missing_services=$(sed -n '1d;2d;s/^-\(.*\)/\1/p' nag.patch | tr '\n' ' ')
+superfluous_services=$(sed -n '1d;2d;s/^+\(.*\)/\1/p' nag.patch | tr '\n' ' ')
+
+#
+# output
+#
+if test -n "$missing_services"; then
+  echo missing services: $missing_services
+fi
+if test -n "$superfluous_services"; then
+  echo superfluous services: $superfluous_services
+fi
+if test -z "$missing_services$superfluous_services"; then
+  echo hosts and services are in sync
+fi
diff --git a/config.py b/config.py
index b115827..247838d 100644
--- a/config.py
+++ b/config.py
@@ -71,6 +71,11 @@ public_commands = [
 ]
 commands = [
   default_command('reload')
+  default_command('nag', env={
+    'workdir': workdir,
+    'hostsdir': '/home/tv/krebs/hosts',
+    'servicesdir': '/home/tv/krebs/services'
+  })
 ]
 
 on_join = [
-- 
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