DataContainer-Utils.psm1
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function Backup-DataContainer ($Config) { $backupContainer = "${Config.container}-data" $volumeArgs = -join ($Config.volumes | ForEach-Object { "-v /backup/${_}:${_} " }) $cpCmds = -join ($Config.volumes | ForEach-Object { "cp -Rf /backup/${_} ${_}" }) # backup data container's volumes docker "run --volumes-from ${Config.container} --name $backupContainer $volumeArgs alpine $cpCmds" if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE } # commit backup to registry $remote = "${Config.registry}$backupContainer" docker commit $backupContainer $remote if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE } docker push $registry if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE } } function Restore-DataContainer ($Config) { $backupContainer = "${Config.container}-data" $remote = "${Config.registry}$backupContainer" $volumeArgs = -join ($Config.volumes | ForEach-Object { "-v /backup/${_}:${_} " }) docker "run $volumeArgs --entrypoint "bin/sh" --name $backupContainer $remote" if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE } } function Backup-FromConfig { param( # ConfigFile [Parameter(Mandatory = $true)] [string] $ConfigFile ) $ErrorActionPreference = 'stop' $configs = Get-Content $ConfigFile -Raw | ConvertFrom-Json foreach ($cfg in $configs) { Backup-DataContainer($cfg) } } function Restore-FromConfig { param( # ConfigFile [Parameter(Mandatory = $true)] [string] $ConfigFile ) $ErrorActionPreference = 'stop' $configs = Get-Content $ConfigFile -Raw | ConvertFrom-Json foreach ($cfg in $configs) { Restore-DataContainer($cfg) } } function Get-DataContainerConfig { param( # ConfigFile [Parameter(Mandatory = $true)] [string] $ConfigFile ) foreach ($cfg in $configs) { Write-Output "${cfg.container} >> ${cfg.registry}${cfg.container}-data" foreach ($path in $cfg.volumes) { Write-Output " $path" } Write-Output "" } } Export-ModuleMember -Function Backup-FromConfig Export-ModuleMember -Function Restore-FromConfig Export-ModuleMember -Function Get-DataContainerConfig |