mirror of
https://github.com/postmannen/ctrl.git
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135 lines
4.7 KiB
Bash
Executable file
135 lines
4.7 KiB
Bash
Executable file
#!/bin/bash
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# Loop over all lines of host ip addresses specified in the hosts.txt
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# file, and execute the the script given as the input argument. If no
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# script is given as argument the scriptName specified below will be
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# used.
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# This script will run until done, to kill it use
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# > CTRL+z
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# > pkill -f loop-wrapper
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###
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# Info: change out the script in scriptName below with the executable
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# script you want copied to host, and executed.
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###
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# Environmental variables can be passed on to the host if needed by
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# embedding them directly in the ssh command. See below.
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#
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# sshOut=$(ssh -o ConnectTimeout=$sshTimeout -n -i $idRsaFile "$sshUser"@"$ipAddress" "sudo bash -c 'export NODENAME="$name"; $scpDestinationFolder/$scriptName'" 2>&1)
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# Here we are exporting NODENAME set to the current value of $name when
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# starting the ssh session, and then the script called on host can take
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# use of it directly.
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if [ -z "$1" ]; then
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echo "No script to call supplied"
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echo "Usage: ./loop-wrapper <my-script> <id.rsa>"
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exit 1
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else
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scriptSourcePath=$(dirname "$1")"/"
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echo "scriptSourcePath=$scriptSourcePath"
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scriptName=$(basename "$1")
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echo "scriptName=$scriptName"
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fi
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if [ -z "$2" ]; then
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echo "No id.rsa file supplied"
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echo "Usage: ./loop-wrapper <my-script> <id.rsa>"
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exit 1
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else
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idRsaFile=$2
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fi
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pingTimeout=3
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statusLog="./status.log"
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touch $statusLog
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notDoneFile="./notdone.tmp"
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doneFile="./done.log"
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touch $doneFile
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# The file containing the ip adresses to work with.
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# One address per line.
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hostsFile="./hosts.txt"
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sshTimeout=30
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sshUser=ansible
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scpDestinationFolder=/home/$sshUser
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# Loop until notDoneFile is empty. Checked in the end of loop.
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while true; do
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touch $notDoneFile
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# Read from the hosts.txt file one line at a time
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# and execute..
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while IFS=, read -r ipAddress name; do
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if [[ -z "$name" ]]; then
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echo "error: missing name for ip $ipAddress in hosts.txt. Should be <ip address>,<node name>"
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exit 1
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fi
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echo working on :"$ipAddress","$name"
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# Check if host is available
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if ping "$ipAddress" -c 1 -t $pingTimeout; then
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echo ok info:ping ok:"$name", "$ipAddress" >>$statusLog
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## Put whatever to execute here...
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## copy files&scripts to run on host.
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## Execute the copied files/scripts on host.
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# ----------------------------------------------
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# scp script file.
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if scp -o ConnectTimeout=$sshTimeout -o StrictHostKeyChecking=no -i $idRsaFile "$scriptSourcePath$scriptName" "$sshUser"@"$ipAddress":; then
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# Execute script file copied via ssh.
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sshOut=$(ssh -o ConnectTimeout=$sshTimeout -n -i $idRsaFile "$sshUser"@"$ipAddress" "sudo bash -c 'export NODENAME=$name; $scpDestinationFolder/$scriptName'" 2>&1)
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if [ $? -eq 0 ]; then
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echo ok info:succesfully executing ssh command: "$name", "$ipAddress"
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echo ok info:succesfully executing ssh command: "$name", "$ipAddress" >>$statusLog
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else
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echo error:failed executing ssh command: "$sshOut", "$ipAddress", "$name"
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echo error:failed executing ssh command: "$sshOut","$ipAddress", "$name" >>$statusLog
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echo "$ipAddress","$name" >>$notDoneFile
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continue
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fi
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else
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echo error:failed scp copying, not running ssh command:"$ipAddress", "$name"
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echo error:failed scp copying, not running ssh command:"$ipAddress", "$name" >>$statusLog
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echo "$ipAddress","$name" >>$notDoneFile
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continue
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fi
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# ----------------------------------------------
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echo "info: all done for host: " "$ipAddress", "$name"
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echo "info: all done for host: " "$ipAddress", "$name" >>$statusLog
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echo "$ipAddress","$name","$sshOut" >>$doneFile
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else
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echo error: no ping reply: "$ipAddress", "$name"
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echo error: no ping reply: "$ipAddress", "$name" >>$statusLog
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echo "$ipAddress","$name" >>$notDoneFile
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continue
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fi
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done <./hosts.txt
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# Check if notdone file is empty, loop if not empty,
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# and break out and exit if empty.
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if [ -s "$notDoneFile" ]; then
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# The file is not-empty.
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echo "the notDone file is not-empty, so we're looping"
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cp $notDoneFile "$hostsFile"
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rm $notDoneFile
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else
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# The file is empty, meaning.. we're done.
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echo "info: all done for all hosts, exiting: "
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echo "info: all done for all hosts, exiting: " >>$statusLog
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cp $notDoneFile "$hostsFile"
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rm $notDoneFile
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break
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fi
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sleep 2
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done
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