remove shell version
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setup_tunnel.sh
117
setup_tunnel.sh
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#!/bin/bash
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#set -x
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OS_KEYPAIR_NAME=ovh_$(hostname -s)
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OS_MACHINE_NAME=gbv
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SERVER_RUNNING=false
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function int_hdl(){
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if $SERVER_RUNNING; then
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echo "Deleting machine..."
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OPENSTACK_RESPONSE="$(openstack server delete --wait $OS_MACHINE_NAME)"
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until [ "$OPENSTACK_TERMINATION_RESPONSE" = '[]' ]
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do
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echo "Waiting for termination..."
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sleep 10
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OPENSTACK_TERMINATION_RESPONSE="$(openstack server list -f json)"
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echo "OpenStack said:"
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jq <<< $OPENSTACK_TERMINATION_RESPONSE
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done
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fi
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}
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trap int_hdl SIGINT
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source openrc.sh
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#
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# Prerequisites
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#
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#if ! command -v ipcalc-ng &>/dev/null
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#then
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#echo >&2 "ipcalc-ng is required. Exiting."
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#exit 1
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#fi
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if ! command -v openstack &>/dev/null
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then
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echo >&2 "openstack is required. Exiting."
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exit 1
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fi
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if ! command -v nova &>/dev/null
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then
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echo >&2 "nova is required. Exiting."
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exit 1
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fi
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if ! command -v ssh &>/dev/null
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then
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echo >&2 "ssh is required. Exiting."
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exit 1
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fi
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if ! command -v ssh-keygen &>/dev/null
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then
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echo >&2 "ssh-keygen is required. Exiting."
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exit 1
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fi
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if ! command -v jq &>/dev/null
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then
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echo >&2 "jq is required. Exiting."
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exit 1
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fi
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#
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# Upload key material
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#
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if [ ! -e ~/.ssh/id_ovh ]
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then
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echo "Generating SSH key..."
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ssh-keygen -f ~/.ssh/id_ovh
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fi
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echo "Checking for SSH key in OpenStack..."
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openstack keypair list|grep -q $OS_KEYPAIR_NAME
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RESULT=$?
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if [ $RESULT -eq 1 ]; then
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echo "Uploading SSH key to OpenStack..."
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nova keypair-add --pub-key ~/.ssh/id_ovh.pub $OS_KEYPAIR_NAME
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fi
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#
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# Get flavor and image
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#
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echo "Gathering image and flavor information..."
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FLAVOR_PRESEL="$(openstack flavor list -f json|jq -r '.[]|select(.Name=="s1-2")')"
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echo "Selected this flavor:"
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jq <<< $FLAVOR_PRESEL
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FLAVOR="$(jq -r '.ID' <<< $FLAVOR_PRESEL)"
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IMAGE_PRESEL="$(openstack image list -f json|jq -r '.[]|select(.Name=="Debian 10")')"
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echo "Selected this image:"
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jq <<< $IMAGE_PRESEL
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IMAGE="$(jq -r '.ID' <<< $IMAGE_PRESEL)"
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echo "Creating server..."
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openstack server create --image $IMAGE --flavor $FLAVOR --wait --key-name $OS_KEYPAIR_NAME $OS_MACHINE_NAME
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SERVER_RUNNING=true
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#
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# Extract IPv4 address
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#
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SERVER_IPS="$(openstack server show gbv -f json|jq -r .addresses)"
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SERVER_IPS="${SERVER_IPS##Ext-Net=}"
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read -a SERVER_IPS <<< $SERVER_IPS
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SERVER_IPS[0]="${SERVER_IPS[0]%%,}"
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#ipcalc-ng -c4 ${SERVER_IPS[0]} &>/dev/null
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grep -q '\.' <<< ${SERVER_IPS[0]}
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IS_IPV4=$?
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if [ $IS_IPV4 -eq 0 ]
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then
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SERVER_IP=${SERVER_IPS[0]}
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else
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SERVER_IP=${SERVER_IPS[1]}
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fi
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echo "Server reachable on $SERVER_IP."
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#
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# Open tunnel
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#
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echo "Waiting 30 seconds for setup completion..."
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sleep 30
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echo "Opening tunnel on socks://localhost:23406..."
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trap - SIGINT
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ssh -D 23406 -i ~/.ssh/id_ovh -o StrictHostKeyChecking=no -o GlobalKnownHostsFile=/dev/null -o UserKnownHostsFile=/dev/null -N debian@$SERVER_IP
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echo "Tunnel closed. Destroying server..."
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int_hdl
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