Collection of scripts for interfacing with proxmox containers
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#!/usr/bin/env bash
##########################
# Deploy script used for initilizing an Arch based container on Proxmox
##########################
# Header for this script
TITLE="Deployment_Script"
DEPTH=0
if [[ $DEPTH == 0 ]]; then
TAGSTR="-->"
elif [[ $DEPTH == 1 ]]; then
TAGSTR="--->"
elif [[ $DEPTH == 2 ]]; then
TAGSTR="----->"
elif [[ $DEPTH == 3 ]]; then
TAGSTR="------>"
fi
echo "====== $TITLE ======"
# IP address of the Proxmox host
PROXMOX_IP_ADDR=192.168.1.224
if [[ -z $PROXMOX_IP_ADDR ]]; then
echo "$TAGSTR PROXMOX_IP_ADDR was not set!"
exit
fi
# Verify we can talk to the proxmox host.
REPLYFROMSERVER=$(ssh root@$PROXMOX_IP_ADDR $"echo "Hello World"")
if [[ $REPLYFROMSERVER != "Hello World" ]]; then
echo "$TAGSTR Failed to verify SSH connectivty with proxmox host."
exit
fi
# Retrieve the IP address of a container as IPv4,IPv6
FN_get_IPaddr (){
# IPv6 address fetch
IPv6ADDR=$(ssh root@$PROXMOX_IP_ADDR $"pct exec 101 ip addr show eth0 | grep /128 | grep -v fd75")
IPv6ADDR=$(echo $IPv6ADDR | awk '{a=$2; split(a, b, "/"); print b[1]}')
# IPv4 address fetch
IPv4ADDR=$(ssh root@$PROXMOX_IP_ADDR $"pct exec 101 ip addr show eth0 | grep inet")
IPv4ADDR=$(echo $IPv4ADDR | awk '{a=$2; split(a, b, "/"); print b[1]}')
}
# Run a script on the the proxmox container. Arg 1 is container ID, arg 2 is script file.
FN_exec_script_container(){
scp $2 root@$PROXMOX_IP_ADDR:/tmp/$2 > /dev/null
ssh root@$PROXMOX_IP_ADDR /usr/bin/env bash <<- AcRP030Cclfad6
pct push $1 /tmp/$2 /tmp/$2 > /dev/null
pct exec $1 chmod +x /tmp/$2
pct exec $1 /tmp/$2
AcRP030Cclfad6
}
# Check if we are referring to a specific container.
if [[ $1 == "-ID" ]]; then
# Make sure we have a container ID
if [[ -z $2 ]]; then
echo "$TAGSTR No container ID was given!"
exit
fi
# Check if a script was provided.
if [[ -z $3 ]]; then
# No script found, just return the ip address.
FN_get_IPaddr $2
exit
else
# A script was found, verify it exists.
if [[ -e $3 ]]; then
FN_exec_script_container $2 $3
FN_get_IPaddr $2
echo "$TAGSTR $IPv4ADDR, $IPv6ADDR"
exit
else
echo "$TAGSTR Bash script $3 was not found."
exit
fi
fi
fi
# Make sure SSH public key is in proxmox host. This overwrites if it exists.
scp $HOME/.ssh/id_rsa.pub root@$PROXMOX_IP_ADDR:/tmp/id_rsa.pub > /dev/null
# No specific container was provided, so we create one.
# Can pass small script like this: https://stackoverflow.com/a/3872762/516959
echo "$TAGSTR Creating container"
VMID=$(ssh root@$PROXMOX_IP_ADDR /usr/bin/env bash <<-'AcRP030CAlfad6'
# use the highest VMID+1 as our new VMID. This returns 1 if no VMID's exist.
VMID=$(pct list | awk 'NR > 1 {print $1}' | sort -nr | head -n1)
VMID=$(($VMID + 1))
# VMID's less than 100 are for internal proxmox use, make sure we are >= 100.
# This also could mean there were no proxmox boxes created.
if [[ $VMID -lt 100 ]]; then
VMID=100
fi
# Create a new container with the VMID
pct create $VMID /var/lib/vz/template/cache/archlinux-base_20170704-1_amd64.tar.gz -ssh-public-keys /tmp/id_rsa.pub -storage local-zfs -net0 name=eth0,bridge=vmbr0,ip=dhcp,ip6=dhcp -ostype archlinux > /dev/null
# Start the container.
pct start $VMID > /dev/null
# And say all went well.
echo "$VMID"
AcRP030CAlfad6
)
# Send and execute our arch init script.
FN_exec_script_container $VMID arch_setup.sh
# Run any potential secondary script.
if [[ -n $1 ]]; then
# A script was found, verify it exists.
if [[ -e $1 ]]; then
FN_exec_script_container $VMID $1
else
echo "$TAGSTR Bash script $1 was not found."
exit
fi
fi
# Lastly, say we are done and what the IP address is to the terminal.
echo "$TAGSTR Completed $TITLE"
FN_get_IPaddr $2
cowsay "Arch setup all done! VMID: $VMID, IPv4: $IPv4ADDR, IPv6: $IPv6ADDR"