create-filtered-edge-checkpoint.ps1 #3

# ============================================================================
# Copyright and license info is available in the LICENSE file included with
# the Server Deployment Package (SDP), and also available online:
# https://swarm.workshop.perforce.com/projects/perforce-software-sdp/view/main/LICENSE
# ----------------------------------------------------------------------------

<#
    .Synopsis
        Creates a filtered edge checkpoint from a master offline database
        
    .Description
        Create filtered checkpoint
        
    .Parameter SDPInstance
        The specified instance to process
        
    .Parameter EdgeServer
        The specified id of edge server (from 'p4 servers')
        
    .Parameter CkpFile
        The specified checkpoint file to produce
        
    .Example
        create-filtered-edge-checkpoint.ps1 1 Edge p4_1.ckp.1234.gz
        
#>

[CmdletBinding()]
param ([string]$SDPInstance = $(throw "SDPInstance parameter is required."),
       [string]$EdgeServer = $(throw "EdgeServer parameter is required."))

Set-StrictMode -Version 2.0

# Source the SDP Functions shared between scripts
$SDPFunctionsPath = Split-Path -parent $MyInvocation.MyCommand.Path | Join-Path -childpath "SDP-Functions.ps1" 
. $SDPFunctionsPath

$global:ScriptName = "create-filtered-edge-checkpoint.ps1"
$global:ScriptTask = "Create Filtered edge checkpoint from master"
$global:LogFileName = "create-filtered-edge-checkpoint.log"

Parse-SDPConfigFile $MyInvocation.MyCommand.Path
Create-LogFile

$OrigPath = convert-path .
Set-Location -Path $global:LOGS_DIR

try {
    $checkpoint_prefix = -join($global:CHECKPOINTS_DIR, "\", $global:SDP_INSTANCE_P4SERVICE_NAME, ".ckp.")
    $checkpoint_path = -join($checkpoint_prefix, "[0-9]*.gz")
    $files = @(Get-ChildItem -Path $checkpoint_path | Sort-Object -Property LastWriteTime -Descending)
    if (!$files -or $files.count -eq 0) {
        $journal = Get-JournalCounter $global:OFFLINE_DB_DIR
    } else {
        $journal = $files[0].Name | select-string '\.ckp\.([0-9]*)\.gz' | % {$_.Matches} | % {$_.Groups[1].Value}
    }
    $CkpFile = -join($checkpoint_prefix, "filtered-edge.", $journal, ".gz")
    remove-files $CkpFile 0
    
    # With -K we filter out the various Edge-specific tables which will be replaced with 
    # current live versions.
    $EXCLUDED_TABLES = "db.have,db.working,db.resolve,db.locks,db.revsh,db.workingx,db.resolvex"

    log "Checkpointing from master offline_db skipping tables not used on the edge - with filtering."
    $cmd = "$global:P4DEXE -r $global:OFFLINE_DB_DIR -K ""$EXCLUDED_TABLES"" -P $EdgeServer -jd -z $CkpFile"
    run-cmd-with-check $cmd "ERROR - attempting to create filtered checkpoint"
    
    Log "End ${global:SDP_INSTANCE_P4SERVICE_NAME} ${global:ScriptTask}"
    Write-Output "`r`n${global:ScriptTask} completed successfully - see ${global:logfile}"
    Log "Please copy $CkpFile to remote server and restore using recover-edge.ps1"
}
Catch
{
    write-error $error[0].ScriptStackTrace
    LogException $_.Exception
    Write-Output "`r`nFAILED - ${global:ScriptTask} - see ${global:logfile}"
}

Set-Location -Path $OrigPath