PowerShell docker wrapper to a Hyper-V VM

0 powershell docker wrapper.md

PS C:\tmp> invoke-vmssh -command "uname -a" -username $env:defaultVmUser -vmname $env:defaultVmName
Linux debianvm 4.19.0-5-amd64 #1 SMP Debian 4.19.37-5+deb10u2 (2019-08-08) x86_64 GNU/Linux
PS C:\tmp> docker info | grep Server
Server Version: 18.09.1
PS C:\tmp>

Microsoft.PowerShell_profile.ps1

# Work around an RS5/PSReadline-2.0.0+beta2 bug (Spacebar is not marked 'essential')
Set-PSReadlineKeyHandler "Shift+SpaceBar" -ScriptBlock {
        [Microsoft.Powershell.PSConsoleReadLine]::Insert(' ')
}

$env:defaultVmName = "My VM"
$env:defaultVmUser = "myself"

function get-vmip {
  param(
    [parameter(position=0,valuefrompipeline=$true)] [string] $vmname
  )
  if ($vmname.length -eq 0) {
    $vmname = (get-vm).name `
      | out-gridview -passthru -title "Select a VM to connect to" `
      | select -first 1
  }
  ("${vmname}" | get-vm | get-vmnetworkadapter).ipaddresses `
    | ?{ $_ -like "*.*.*.*" } `
    | select -first 1
}

function connect-vm {
  param(
    [parameter(position=0,valuefrompipeline=$true)] [string] $vmname
  )
  & putty.exe (get-vmip $vmname)
}

function invoke-vmssh {
  param(
    [parameter(position=0,mandatory=$true)] [string] $vmname,
    [parameter(position=1,mandatory=$true,valuefrompipeline=$true)] [string] $command,
    [parameter()] [string] $username,
    [parameter()] [switch] $ansi
  )
  $vmhost = ("{0}{1}" -f (&{if ($username) { "${username}@" } else { "" }}), (get-vmip $vmname))
  if (${ansi}) {
    & "ansicon.exe" "plink.exe" -t -no-antispoof -no-sanitise-stdout -no-sanitise-stderr $vmhost $command
  } else {
    & "plink.exe" -T -no-antispoof -sanitise-stdout -sanitise-stderr $vmhost $command
  }
}

function get-dockerports {
  param(
    [parameter(position=0,mandatory=$true)] [string] $vmname
  )
  $outp = @(invoke-vmssh -username "${env:defaultVmUser}" $vmname "docker ps --format='{{.Image}} {{.Names}} {{.Ports}}'")
  $outp = @(@($outp | ?{ $_ -like "*0.0.0.0:*" }) -replace "0\.0\.0\.0:(.*)->(.*)/(.*)", "`$1 `$2 `$3")
  $outp
}

function connect-vmweb {
  param(
    [parameter(position=0,mandatory=$true)] [string] $vmname,
    [parameter(position=1)] [string] $containerport = "80"
  )
  $ip = get-vmip $vmname
  if ($containerport -eq "443") { $scheme = "https" } else { $scheme = "http" }
  @(get-dockerports $vmname) -match ".* .* .* ${containerport} tcp" -replace ".* .* (.*) ${containerport} tcp", "`$1" `
    | %{ "{0}://{1}:{2}/" -f $scheme, $ip, $_ } `
    | %{ start-process $_ }
}

function docker {
  invoke-vmssh -username "${env:defaultVmUser}" "${env:defaultVmName}" "docker $($args -join " ")"
}

function vmbash {
  invoke-vmssh -username "${env:defaultVmUser}" -ansi "${env:defaultVmName}" "bash -i"
}