Better ephemeral workspace support with Codespaces

Signed-off-by: GitHub <noreply@github.com>

developer-workspace/gitpod/prepare-k3s.sh

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+#!/bin/bash
+
+script_dirname="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+rootfslock="${script_dirname}/_output/rootfs/rootfs-ready.lock"
+k3sreadylock="${script_dirname}/_output/rootfs/k3s-ready.lock"
+
+if test -f "${k3sreadylock}"; then
+    exit 0
+fi
+
+cd $script_dirname
+
+function waitssh() {
+  while ! nc -z 127.0.0.1 2222; do   
+    sleep 0.1
+  done
+  ./ssh.sh "whoami" &>/dev/null
+  if [ $? -ne 0 ]; then
+    sleep 1
+    waitssh
+  fi
+}
+
+function waitrootfs() {
+  while ! test -f "${rootfslock}"; do
+    sleep 0.1
+  done
+}
+
+echo "🔥 Installing everything, this will be done only one time per workspace."
+
+echo "Waiting for the rootfs to become available, it can take a while, open the terminal #2 for progress"
+waitrootfs
+echo "✅ rootfs available"
+
+echo "Waiting for the ssh server to become available, it can take a while, after this k3s is getting installed"
+waitssh
+echo "✅ ssh server available"
+
+./ssh.sh "curl -sfL https://get.k3s.io | sh -"
+
+mkdir -p ~/.kube
+./scp.sh root@127.0.0.1:/etc/rancher/k3s/k3s.yaml ~/.kube/config
+
+echo "✅ k3s server is ready"
+touch "${k3sreadylock}"
+
+# safety wait for cluster availability
+sleep 30s

developer-workspace/gitpod/prepare-rootfs.sh

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+#!/bin/bash
+
+set -euo pipefail
+
+img_url="https://cloud-images.ubuntu.com/hirsute/current/hirsute-server-cloudimg-amd64.tar.gz"
+
+script_dirname="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+outdir="${script_dirname}/_output/rootfs"
+
+rm -Rf $outdir
+mkdir -p $outdir
+
+curl -L -o "${outdir}/rootfs.tar.gz" $img_url
+
+cd $outdir
+
+tar -xvf rootfs.tar.gz
+
+qemu-img resize hirsute-server-cloudimg-amd64.img +20G
+
+sudo virt-customize -a hirsute-server-cloudimg-amd64.img --run-command 'resize2fs /dev/sda'
+
+sudo virt-customize -a hirsute-server-cloudimg-amd64.img --root-password password:root
+
+netconf="
+network:
+  version: 2
+  renderer: networkd
+  ethernets:
+    enp0s3:
+      dhcp4: yes
+"
+
+# networking setup
+sudo virt-customize -a hirsute-server-cloudimg-amd64.img --run-command "echo '${netconf}' > /etc/netplan/01-net.yaml"
+
+# copy kernel modules
+sudo virt-customize -a hirsute-server-cloudimg-amd64.img --copy-in /lib/modules/$(uname -r):/lib/modules
+
+# ssh
+sudo virt-customize -a hirsute-server-cloudimg-amd64.img --run-command 'apt remove openssh-server -y && apt install openssh-server -y'
+sudo virt-customize -a hirsute-server-cloudimg-amd64.img --run-command "sed -i 's/#PermitRootLogin prohibit-password/PermitRootLogin yes/' /etc/ssh/sshd_config"
+sudo virt-customize -a hirsute-server-cloudimg-amd64.img --run-command "sed -i 's/PasswordAuthentication no/PasswordAuthentication yes/' /etc/ssh/sshd_config"
+
+# mark as ready
+touch rootfs-ready.lock
+
+echo "k3s development environment is ready"

developer-workspace/gitpod/qemu.sh

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+#!/bin/bash
+
+set -xeuo pipefail
+
+script_dirname="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+outdir="${script_dirname}/_output"
+
+sudo qemu-system-x86_64 -kernel "/boot/vmlinuz" \
+-boot c -m 3073M -hda "${outdir}/rootfs/hirsute-server-cloudimg-amd64.img" \
+-net user \
+-smp 8 \
+-append "root=/dev/sda rw console=ttyS0,115200 acpi=off nokaslr" \
+-nic user,hostfwd=tcp::2222-:22,hostfwd=tcp::6443-:6443 \
+-serial mon:stdio -display none

developer-workspace/gitpod/scp.sh

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+#!/bin/bash
+
+sshpass -p 'root' scp -o StrictHostKeychecking=no -P 2222 $@

developer-workspace/gitpod/ssh.sh

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+#!/bin/bash
+
+sshpass  -p 'root' ssh -o StrictHostKeychecking=no -p 2222 root@127.0.0.1 "$@"