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Squashed 'lib/killrvideo-docker-common/' changes from c40d0fa..0c67c94
0c67c94 Add powershell script for creating a .env file 0bc2e46 Add back support for docker toolbox setups in Windows f14f9cb Rework shell script to mirror powershell b78ef09 Remove leading slash for shell call 721c3bd Rename shell script for consistency 28f7b43 Fix broken powershell script git-subtree-dir: lib/killrvideo-docker-common git-subtree-split: 0c67c9442eb3873625ff39407e5a2c8a6b07e24c
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| killrvideo.env | ||
| .env |
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| <# | ||
| .DESCRIPTION | ||
| Gets the environment variables needed to run the Killrvideo docker-compose commands, then writes | ||
| them to a .env file in the working directory or the directory specified by the -Path switch. | ||
| .PARAMETER Path | ||
| The path to create the environment file. Defaults to the current working directory. | ||
| .PARAMETER FileName | ||
| The name of the environment file. Defaults to ".env". | ||
| .PARAMETER ProjectName | ||
| The COMPOSE_PROJECT_NAME value to use. Defaults to "killrvideo". | ||
| .PARAMETER Force | ||
| Switch to force creation of the file (i.e. overwrite it) if it already exists. | ||
| #> | ||
| [CmdletBinding()] | ||
| Param ( | ||
| [Parameter(Mandatory=$false)] | ||
| [string] | ||
| $Path = $((Resolve-Path .\).Path), | ||
|
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| [Parameter(Mandatory=$false)] | ||
| [string] | ||
| $FileName = '.env', | ||
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| [Parameter(Mandatory=$false)] | ||
| [string] | ||
| $ProjectName = 'killrvideo', | ||
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| [Parameter(Mandatory=$false)] | ||
| [switch] | ||
| $Force | ||
| ) | ||
|
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| $ErrorActionPreference = 'stop' | ||
|
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| # Make sure we have an absolute path | ||
| if ([System.IO.Path]::IsPathRooted($Path) -eq $false) { | ||
| $cwd = (Resolve-Path .\).Path | ||
| $Path = Join-Path $cwd $Path | ||
| } | ||
|
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| # Path to the file and does it exist | ||
| $envFilePath = Join-Path $Path $FileName | ||
| if ((Test-Path $envFilePath) -and ($Force -eq $false)) { | ||
| Write-Host "Environment file $(Resolve-Path $envFilePath) already exists, will not overwrite" | ||
| Exit | ||
| } | ||
|
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| # Base environment variables | ||
| $dockerEnv = @("COMPOSE_PROJECT_NAME=$ProjectName") | ||
|
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||
| # Get path to the get-environment script and run it, adding each value to the env array | ||
| $scriptPath = Split-Path -parent $PSCommandPath | ||
| $getEnvCommand = Resolve-Path "$scriptPath\get-environment.ps1" | ||
| & "$getEnvCommand" |% { $dockerEnv += $_ } | ||
|
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||
| # Make sure the path exists for the file | ||
| if ((Test-Path $Path) -eq $false) { | ||
| New-Item -Path $Path -Type Directory | Out-Null | ||
| } | ||
|
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||
| # Write the file (have to use the .NET API here because we need UTF-8 WITHOUT the BOM) | ||
| $Utf8NoBom = New-Object System.Text.UTF8Encoding($false) | ||
| [System.IO.File]::WriteAllLines($envFilePath, $dockerEnv, $Utf8NoBom) | ||
| Write-Host "Environment file written to $(Resolve-Path $envFilePath)" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,170 +1,63 @@ | ||
| <# | ||
| .DESCRIPTION | ||
| Gets the environment variables needed to run the Killrvideo docker-compose commands. | ||
| Gets the environment variables needed to run the Killrvideo docker-compose commands and outputs | ||
| them to stdout. | ||
| #> | ||
| [CmdletBinding()] | ||
| Param () | ||
|
|
||
| # Custom type representing the type of docker installation | ||
| Add-Type -TypeDefinition "public enum DockerInstallType { Windows, Toolbox }" | ||
|
|
||
| function Get-DockerType { | ||
| <# | ||
| .DESCRIPTION | ||
| Determines what type of docker installation is present (Docker for Windows or Docker Toolbox) | ||
| .OUTPUTS | ||
| A DockerInstallType enum value indicating the docker environment | ||
| #> | ||
| [CmdletBinding()] | ||
| Param() | ||
|
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| Write-Host 'Determining docker installation type' | ||
| # Figure out if we're Docker for Windows or Docker Toolbox setup | ||
| Write-Host 'Determining docker installation type' | ||
|
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| # Docker toolbox sets an install path environment variable so check for it | ||
| $dt = [DockerInstallType]::Windows | ||
| if ($Env:DOCKER_TOOLBOX_INSTALL_PATH) { | ||
| $dt = [DockerInstallType]::Toolbox | ||
| } | ||
|
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| Write-Verbose " => Using docker type $dt" | ||
| $dt | ||
| # Docker toolbox sets an install path environment variable so check for it | ||
| $isToolbox = $false | ||
| if ($Env:DOCKER_TOOLBOX_INSTALL_PATH) { | ||
| $isToolbox = $true | ||
| } | ||
|
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||
| function Get-DockerVirtualMachineIp { | ||
| <# | ||
| .DESCRIPTION | ||
| Find the IP address of the docker virtual machine | ||
| .PARAMETER DockerType | ||
| The type of docker installation. | ||
| .OUTPUTS | ||
| The IP Address of the docker virtual machine | ||
| #> | ||
| [CmdletBinding()] | ||
| Param ( | ||
| [parameter(Mandatory=$true)] | ||
| [DockerInstallType] | ||
| $DockerType | ||
| ) | ||
|
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| Write-Host 'Finding docker Virtual Machine IP' | ||
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| if ($DockerType -eq [DockerInstallType]::Windows) { | ||
| # In the DfW beta, the VM will be reachable via a host named 'docker' | ||
| $DOCKER_WINDOWS_HOST_NAME = 'docker' | ||
| $dnsResults = Resolve-DnsName $DOCKER_WINDOWS_HOST_NAME -ErrorAction SilentlyContinue | ||
| if ($dnsResults) { | ||
| Write-Verbose " => Able to resolve hostname '$DOCKER_WINDOWS_HOST_NAME' at $($dnsResults.IPAddress)" | ||
| $dnsResults.IPAddress | ||
| return | ||
| } | ||
| throw "Unable to resolve host '$DOCKER_WINDOWS_HOST_NAME'. Is Docker for Windows started?" | ||
| } else { | ||
| # Make sure the docker VM is started | ||
| Write-Host 'Ensuring Docker virtual machine is started' | ||
| Invoke-Expression "docker-machine start 2>&1" | Write-Host | ||
|
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| # When using Docker Toolbox, we should be able to get the IP from docker-machine | ||
| $dockerHost = Invoke-Expression 'docker-machine ip 2>&1' | ||
| if ($LastExitCode -eq 0) { | ||
| Write-Verbose " => Docker machine returned $dockerHost" | ||
| $dockerHost | ||
| return | ||
| } | ||
|
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| Write-Host 'Could not resolve the Docker IP with docker-machine ip command' | ||
| throw $dockerHost | ||
| } | ||
| } | ||
| Write-Verbose " => Is Docker Toolbox: $isToolbox" | ||
|
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| function Get-NetworkAddress { | ||
| <# | ||
| .DESCRIPTION | ||
| Get a network address from an IP address and subnet mask | ||
| .PARAMETER Address | ||
| The IP address | ||
| .PARAMETER SubnetMask | ||
| The subnet mask | ||
| .OUTPUTS | ||
| The IP address of the network. | ||
| #> | ||
| [CmdletBinding()] | ||
| Param ( | ||
| [parameter(Mandatory=$true)] | ||
| [System.Net.IPAddress] | ||
| $Address, | ||
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| [parameter(Mandatory=$false)] | ||
| [System.Net.IPAddress] | ||
| $SubnetMask | ||
| ) | ||
|
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| # Set default subnet mask if not provided | ||
| if ($SubnetMask -eq $null) { | ||
| $SubnetMask = [System.Net.IPAddress]::Parse("255.255.255.0") | ||
| } | ||
|
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| # Get as bytes | ||
| $ipBytes = $Address.GetAddressBytes() | ||
| $subnetBytes = $SubnetMask.GetAddressBytes() | ||
|
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| # Create array for network bytes and use bitwise and to apply subnet mask | ||
| $networkBytes = @() | ||
| for ($i = 0; $i -le 3; $i++) { | ||
| $networkBytes += $ipBytes[$i] -band $subnetBytes[$i] | ||
| # Do things differently for Toolbox vs Docker for Windows | ||
| if ($isToolbox) { | ||
| # See if the docker VM is running | ||
| & docker-machine status default | Tee-Object -Variable dockerMachineStatus | Out-Null | ||
| if ($dockerMachineStatus -ne 'Running') { | ||
| & docker-machine start default | Out-Null | ||
| } | ||
| # Return as IPAddress (constructor takes a single array as argument) | ||
| New-Object System.Net.IPAddress -ArgumentList @(,$networkBytes) | ||
|
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| # Add environment to this shell | ||
| & docker-machine env | Invoke-Expression | ||
| } | ||
|
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| function Get-HostIp { | ||
| <# | ||
| .DESCRIPTION | ||
| Get the Host's IP address that's on the same network as the provided vmIp | ||
| .PARAMETER VirtualMachineIPAddress | ||
| The virtual machine's IP address | ||
| .OUTPUTS | ||
| The IP address on the host that's on the same network. | ||
| #> | ||
| [CmdletBinding()] | ||
| Param ( | ||
| [parameter(Mandatory=$true)] | ||
| [string] | ||
| $VirtualMachineIPAddress | ||
| ) | ||
|
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| Write-Host 'Finding host IP on same network as docker Virtual Machine' | ||
|
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| $addresses = Get-NetIPAddress | ? AddressFamily -eq IPv4 | Select IPAddress, SubnetMask | ||
| foreach($address in $addresses) { | ||
| $vmNetworkAddress = Get-NetworkAddress -Address $VirtualMachineIPAddress -SubnetMask $address.SubnetMask | ||
| $networkAddress = Get-NetworkAddress -Address $address.IPAddress -SubnetMask $address.SubnetMask | ||
|
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| if ($networkAddress.Equals($vmNetworkAddress)) { | ||
| Write-Verbose " => Found host IP $($address.IPAddress)" | ||
| $address.IPAddress | ||
| return | ||
| } | ||
| } | ||
|
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| throw "Could not find a host IP address on same network as $VirtualMachineIPAddress" | ||
| # Determine the Docker VM's IP address | ||
| Write-Host 'Getting Docker VM IP' | ||
| if ($isToolbox) { | ||
| # Just use the command that comes with docker-machine | ||
| & docker-machine ip | Tee-Object -Variable dockerIp | Out-Null | ||
| } else { | ||
| # The VM's IP should be the IP address for eth0 when running a container in host networking mode | ||
| $dockerIpCmd = "ip -4 addr show scope global dev eth0 | grep inet | awk `'{print `$2}`' | cut -d / -f 1" | ||
| & docker run --rm --net=host busybox bin/sh -c $dockerIpCmd | Tee-Object -Variable dockerIp | Out-Null | ||
| } | ||
| Write-Verbose " => Got Docker IP: $dockerIp" | ||
|
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| # Figure out the network setup | ||
| $dockerType = Get-DockerType | ||
| $dockerVmIp = Get-DockerVirtualMachineIp -DockerType $dockerType | ||
| $hostIp = Get-HostIp $dockerVmIp | ||
| $isToolbox = $dockerType -eq [DockerInstallType]::Toolbox | ||
| # Determine the VM host's IP address | ||
| Write-Host 'Getting corresponding local machine IP' | ||
| if ($isToolbox) { | ||
| # The host only CIDR address will contain the host's IP (along with a suffix like /24) | ||
| & docker-machine inspect --format '{{ .Driver.HostOnlyCIDR }}' default | | ||
| Tee-Object -Variable hostCidr | | ||
| Out-Null | ||
| $hostIp = $hostCidr -replace "\/\d{2}", "" | ||
| } else { | ||
| # The host's IP should be the default route for eth0 when running a container in host networking mode | ||
| $hostIpCmd = "ip -4 route list dev eth0 0/0 | cut -d `' `' -f 3" | ||
| & docker run --rm --net=host busybox bin/sh -c $hostIpCmd | Tee-Object -Variable hostIp | Out-Null | ||
| } | ||
| Write-Verbose " => Got Host IP: $hostIp" | ||
|
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| # Write environment variable key value pairs to output | ||
| # Write environment variable pairs to stdout (so this can be piped to a file) | ||
| Write-Output "KILLRVIDEO_DOCKER_TOOLBOX=$($isToolbox.ToString().ToLower())" | ||
| Write-Output "KILLRVIDEO_HOST_IP=$hostIp" | ||
| Write-Output "KILLRVIDEO_DOCKER_IP=$dockerVmIp" | ||
| Write-Output "KILLRVIDEO_DOCKER_IP=$dockerIp" | ||
|
|
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,23 @@ | ||
| #!/bin/sh | ||
|
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| set -e # Bail if something fails | ||
|
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| # TODO: Determine if a Docker Toolbox setup | ||
| IS_TOOLBOX=false | ||
|
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| if [ "$IS_TOOLBOX" = true ]; then | ||
| echo "TODO: Docker machine environment setup" | ||
| fi | ||
|
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| # Get the docker VM's IP address | ||
| DOCKER_IP_CMD="ip -4 addr show scope global dev eth0 | grep inet | awk '{print \$2}' | cut -d / -f 1" | ||
| DOCKER_IP=$(docker run --rm --net=host busybox bin/sh -c "$DOCKER_IP_CMD") | ||
|
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| # Get the docker VM Host's IP address | ||
| HOST_IP_CMD="ip -4 route list dev eth0 0/0 | cut -d ' ' -f 3" | ||
| HOST_IP=$(docker run --rm --net=host busybox bin/sh -c "$HOST_IP_CMD") | ||
|
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| # Write values to stdout | ||
| echo "KILLRVIDEO_DOCKER_TOOLBOX=$IS_TOOLBOX" | ||
| echo "KILLRVIDEO_HOST_IP=$HOST_IP" | ||
| echo "KILLRVIDEO_DOCKER_IP=$DOCKER_IP" |
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