From 1e179fc8058f7bbcea7b6a681726796b4ffe9748 Mon Sep 17 00:00:00 2001
From: Vincenzo Maffione <v.maffione@gmail.com>
Date: Wed, 7 Jun 2017 10:04:07 +0200
Subject: rumba: add initial version of rumba-access

---
 rumba/model.py     |  8 ++++++++
 tools/rumba-access | 31 +++++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+)
 create mode 100755 tools/rumba-access

diff --git a/rumba/model.py b/rumba/model.py
index eee8fac..941cba8 100644
--- a/rumba/model.py
+++ b/rumba/model.py
@@ -520,6 +520,13 @@ class Experiment:
                     if not ipcp.dif_bootstrapper:
                         break
 
+    def dump_ssh_info(self):
+        f = open('ssh_info', 'w')
+        for node in self.nodes:
+            f.write("%s %s %s %s\n" % (node.name, self.testbed.username,
+                            node.ssh_config.hostname, node.ssh_config.port))
+        f.close()
+
     # Examine the nodes and DIFs, compute the registration and enrollment
     # order, the list of IPCPs to create, registrations, ...
     def generate(self):
@@ -545,6 +552,7 @@ class Experiment:
     def swap_in(self):
         # Realize the experiment testbed (testbed-specific)
         self.testbed.swap_in(self)
+        self.dump_ssh_info()
 
     def swap_out(self):
         # Undo the testbed (testbed-specific)
diff --git a/tools/rumba-access b/tools/rumba-access
new file mode 100755
index 0000000..06b0a02
--- /dev/null
+++ b/tools/rumba-access
@@ -0,0 +1,31 @@
+#!/bin/bash
+
+FILE=ssh_info
+
+MACHINE_ID=$1
+if [ "$MACHINE_ID" == "" ]; then
+	echo "usage: $0 NODE_NAME"
+	exit 255
+fi
+
+USER=$(grep "\<${MACHINE_ID}\>" ${FILE} | awk '{print $2}')
+if [ "$USER" == "" ]; then
+	echo "Error: Node ${MACHINE_ID} unknown"
+	exit 255
+fi
+
+HOST=$(grep "\<${MACHINE_ID}\>" ${FILE} | awk '{print $3}')
+if [ "$HOST" == "" ]; then
+	echo "Error: Node ${MACHINE_ID} unknown"
+	exit 255
+fi
+
+SSH_PORT=$(grep "\<${MACHINE_ID}\>" ${FILE} | awk '{print $4}')
+if [ "$SSH_PORT" == "" ]; then
+	echo "Error: Node ${MACHINE_ID} unknown"
+	exit 255
+fi
+
+echo "Accessing Rumba node ${MACHINE_ID}"
+# -o IdentityFile=buildroot/irati_rsa
+ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -p ${SSH_PORT} ${USER}@${HOST}
-- 
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