From 8a7451534f15d7cb98095e8ed06b275711d22c73 Mon Sep 17 00:00:00 2001
From: test2 <test2@test2.gr>
Date: Tue, 10 Mar 2020 19:59:53 +0200
Subject: [PATCH] examples 1 ok

---
 swarmlab/run       | 8 ++++++--
 swarmlab/runafter  | 2 +-
 swarmlab/runbefore | 4 ++++
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/swarmlab/run b/swarmlab/run
index 8005651..5a2f69d 100644
--- a/swarmlab/run
+++ b/swarmlab/run
@@ -1,13 +1,17 @@
 #!/bin/bash
 
+# compile
 mpicc -o /project/mpi_hello_world ../examples/mpi_hello_world.c
 
+# scp hello wrold to all clients. sudo -u mpi for auto scp connect. see /home/mpi/.ssh 
 while read -r line; 
  do 
    sudo -u mpi scp /project/mpi_hello_world mpi@$line:/project/mpi_hello_world
 done < /project/hosts
-#sudo -u mpi scp /project/mpi_hello_world mpi@10.0.8.10:/project/mpi_hello_world
-#sudo -u mpi scp /project/mpi_hello_world mpi@10.0.8.11:/project/mpi_hello_world
+
+# cd to work dir
 cd /project
+
+# run it! 
 sudo -u mpi mpirun -n 10 -f /project/hosts  /project/mpi_hello_world  2>&1 | tee /tmp/output.log
 
diff --git a/swarmlab/runafter b/swarmlab/runafter
index 24d71ec..f6af0fe 100644
--- a/swarmlab/runafter
+++ b/swarmlab/runafter
@@ -1,4 +1,4 @@
 #!/bin/bash
 
-echo "cat /project/output.log file"
+echo "do more jobs"
 #cat /tmp/output.log
diff --git a/swarmlab/runbefore b/swarmlab/runbefore
index 69a3ca6..68e181e 100644
--- a/swarmlab/runbefore
+++ b/swarmlab/runbefore
@@ -1,5 +1,9 @@
 #!/bin/bash
 
+# find ip
 IP_ADDR=$(ip addr show | grep "inet " | grep  "eth0" | awk '{print $2}')
+
+
+# find all clients connected to network
 nmap -sP $IP_ADDR  | grep ondemand_mpi_worker | awk  -F "[()]" '{ for (i=2; i<NF; i+=2) print $i }' > /project/hosts