resources: augeas: New resource

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>

test/shell/augeas-1.sh

@@ -0,0 +1,30 @@
+#!/bin/bash -e
+
+if env | grep -q -e '^TRAVIS=true$'; then
+	# inotify doesn't seem to work properly on travis
+	echo "Travis and Jenkins give wonky results here, skipping test!"
+	exit
+fi
+
+mkdir -p "${MGMT_TMPDIR}"
+> "${MGMT_TMPDIR}"sshd_config
+
+# run empty graph, with prometheus support
+timeout --kill-after=20s 15s ./mgmt run --tmp-prefix --yaml=augeas-1.yaml &
+pid=$!
+sleep 5s	# let it converge
+
+grep "X11Forwarding no" "${MGMT_TMPDIR}"sshd_config
+
+sed -i "s/no/yes/" "${MGMT_TMPDIR}"sshd_config
+
+grep "X11Forwarding yes" "${MGMT_TMPDIR}"sshd_config
+
+sleep 3	# Augeas is slow
+
+grep "X11Forwarding no" "${MGMT_TMPDIR}"sshd_config
+
+
+killall -SIGINT mgmt	# send ^C to exit mgmt
+wait $pid	# get exit status
+exit $?

test/shell/augeas-1.yaml

@@ -0,0 +1,11 @@
+---
+graph: mygraph
+resources:
+  augeas:
+  - name: sshd_test
+    lens: Sshd.lns
+    file: "/tmp/mgmt/sshd_config"
+    sets:
+      - path: X11Forwarding
+        value: no
+edges: