cjones/restic-windows-backup
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internet connectivity check handles all repo types

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Closes #10
This commit is contained in:
Kevin Woley
2020-04-28 20:08:41 -07:00
parent 716e98563b
commit b73008a5f1
1 changed files with 14 additions and 5 deletions
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19
backup.ps1
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@@ -212,20 +212,29 @@ function Send-Email {
function Invoke-ConnectivityCheck {
Param($SuccessLog, $ErrorLog)
# Skip the internet connectivity check unsupported repo types (i.e. swift:, rclone:, or local )
if(($env:RESTIC_REPOSITORY -match "^swift:") -or ($env:RESTIC_REPOSITORY -match "^rclone:") -or (Test-Path $env:RESTIC_REPOSITORY)) {
Write-Output "[[Internet]] Skipping internet connectivity check." | Tee-Object -Append $SuccessLog
return $true
}
# parse connection string for hostname
# TODO: handle non-s3 repositories
# Uri parser doesn't handle leading connection type info
$connection_string = $env:RESTIC_REPOSITORY -replace "s3:"
# Uri parser doesn't handle leading connection type info (s3:, sftp:, rest:, azure:, gs:)
$connection_string = $env:RESTIC_REPOSITORY -replace "^s3:" -replace "^sftp:" -replace "^rest:" -replace "^azure:" -replace "^gs:"
$repository_host = ([System.Uri]$connection_string).host
if([string]::IsNullOrEmpty($repository_host)) {
Write-Output "[[Internet]] Repository string could not be parsed." | Tee-Object -Append $SuccessLog | Tee-Object -Append $ErrorLog
return $false
}
# test for internet connectivity
$connections = 0
$sleep_count = $InternetTestAttempts
while($true) {
$connections = Get-NetRoute | Where-Object DestinationPrefix -eq '0.0.0.0/0' | Get-NetIPInterface | Where-Object ConnectionState -eq 'Connected' | Measure-Object | ForEach-Object{$_.Count}
if($sleep_count -le 0) {
Write-Output "[[Internet]] Connection to repository could not be established." | Tee-Object -Append $SuccessLog | Tee-Object -Append $ErrorLog
Write-Output "[[Internet]] Connection to repository ($repository_host) could not be established." | Tee-Object -Append $SuccessLog | Tee-Object -Append $ErrorLog
return $false
}
if(($null -eq $connections) -or ($connections -eq 0)) {