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# This PowerShell script tries to do almost all the things required to set up
# an Ubuntu WSL2 instance for use with DDEV and docker-ce installed inside WSL2.
# It requires that an Ubuntu wsl2 distro be installed already, preferably with `wsl --install`, but it can also be
# done manually.
# Run this in an administrative PowerShell window.
# You can download, inspect, and run this, or run it directly with
# Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072;
# iex ((New-Object System.Net.WebClient).DownloadString('https://raw.githubusercontent.com/ddev/ddev/master/scripts/install_ddev_wsl2_docker_inside.ps1'))

#Requires -RunAsAdministrator

# Make sure wsl is installed and working
if (-not(wsl -l -v)) {
    throw "WSL2 does not seem to be installed yet; please install it with 'wsl --install'"
}
# Make sure default distro an ubuntu release
if (-not( wsl -e grep ^NAME=.Ubuntu //etc/os-release)) {
    throw "Your installed WSL2 distro does not seem to be Ubuntu. You can certainly use DDEV with WSL2 in another distro, but this script is oriented to Ubuntu."
}
# Install Chocolatey if needed
if (-not (Get-Command "choco" -errorAction SilentlyContinue))
{
    "Chocolatey does not appear to be installed yet, installing"
    $ErrorActionPreference = "Stop"
    Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))
}

if (wsl bash -c "test -d /mnt/wsl/docker-desktop >/dev/null 2>&1" ) {
    throw "Docker Desktop integration is enabled with the default distro and it must but turned off."
}
$ErrorActionPreference = "Stop"
# Install needed choco items; ddev/gsudo needed for ddev inside wsl2 to update hosts file on windows
choco upgrade -y ddev gsudo mkcert

mkcert -install
$env:CAROOT="$(mkcert -CAROOT)"
setx CAROOT $env:CAROOT; If ($Env:WSLENV -notlike "*CAROOT/up:*") { $env:WSLENV="CAROOT/up:$env:WSLENV"; setx WSLENV $Env:WSLENV }

wsl -u root bash -c "apt-get remove -y -qq docker docker-engine docker.io containerd runc >/dev/null 2>&1"
wsl -u root apt-get update
wsl -u root apt-get install -y ca-certificates curl gnupg lsb-release
wsl -u root mkdir -p /etc/apt/keyrings
wsl -u root bash -c "rm -f /etc/apt/keyrings/docker.gpg && mkdir -p /etc/apt/keyrings && curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg"
wsl -u root -e bash -c 'echo deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu  $(lsb_release -cs) stable | tee /etc/apt/sources.list.d/docker.list > /dev/null 2>&1'

wsl -u root -e bash -c "rm -f /etc/apt/trusted.gpg.d/ddev.gpg && curl -fsSL https://pkg.ddev.com/apt/gpg.key | gpg --dearmor | tee /etc/apt/trusted.gpg.d/ddev.gpg > /dev/null"
wsl -u root -e bash -c 'echo deb [signed-by=/etc/apt/trusted.gpg.d/ddev.gpg] https://pkg.ddev.com/apt/ \* \* > /etc/apt/sources.list.d/ddev.list'
wsl -u root -e bash -c "apt update && apt install -y ddev docker-ce docker-ce-cli containerd.io wslu"
wsl -u root -e bash -c "apt-get upgrade -y >/dev/null"
wsl bash -c 'sudo usermod -aG docker $USER'

wsl bash -c 'echo CAROOT=$CAROOT'
wsl -u root mkcert -install
wsl -u root service docker start
if (-not(wsl -e docker ps)) {
    throw "docker does not seem to be working inside the WSL2 distro yet. "
}
# If docker desktop was previously set up, the .docker can break normal use of docker client.
wsl rm -rf ~/.docker

refreshenv

wsl -u root -e bash -c "touch /etc/wsl.conf && if ! fgrep '[boot]' /etc/wsl.conf >/dev/null; then printf '\n[boot]\nsystemd=true\n' >>/etc/wsl.conf; fi"

wsl ddev version

My WSL system files got super messed up yesterday and had to fix them using the DISM command and that did fix my WSL2/Ubuntu distro filesystem being "gone" but a whole host of other problems were spawned. I fixed them all but finally ran into my "docker-ce" being hosed and the normal installation for that did not work as I got the following error when doing that:

Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
docker does not seem to be working inside the WSL2 distro yet.
At line:62 char:5
+     throw "docker does not seem to be working inside the WSL2 distro  ...
+     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : OperationStopped: (docker does not...L2 distro yet. :String) [], RuntimeException
    + FullyQualifiedErrorId : docker does not seem to be working inside the WSL2 distro yet.

Running the commands in this script fixed my issue! Thank you!