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cElasticSearchDSC.schema.psm1
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cElasticSearchDSC.schema.psm1
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Configuration cElasticSearchDSC
{
param(
[Parameter(Mandatory = $True)]
[ValidateSet('Present', 'Absent')]
[string] $Ensure,
[Parameter(Mandatory = $True)]
[System.IO.FileInfo] $JRESourcePath,
[Parameter(Mandatory = $True)]
[System.IO.FileInfo] $ElasticSourcePath,
[Parameter(Mandatory = $True)]
[String] $ElasticSearchNodeName,
[ValidateNotNullOrEmpty()]
[System.IO.FileInfo] $JREDestinationPath = "$Env:ProgramFiles\Java\jre8",
[ValidateNotNullOrEmpty()]
[System.IO.FileInfo] $ElasticDestinationPath = "$Env:ProgramFiles\ElasticSearch",
[ValidateNotNullOrEmpty()]
[System.IO.FileInfo] $ElasticDataPath = "D:\data\elastic-data",
[ValidateNotNullOrEmpty()]
[System.IO.FileInfo] $ElasticLogPath = "D:\data\elastic-logs"
)
Import-DscResource -ModuleName PSDesiredStateConfiguration
if ($Ensure -eq 'Absent')
{
Script UnstallElasticSearch
{
GetScript =
{
$instances = Get-Service "elasticsearch-service*"
$vals = @{
Installed = [boolean]$instances;
}
return $vals
}
TestScript =
{
$instances = Get-Service "elasticsearch-service*"
if ($instances)
{
Write-Verbose "elasticsearch-service is already running as a service"
}
else
{
Write-Verbose "elasticsearch-service is not running as a service"
}
return ![boolean]$instances
}
SetScript =
{
$batPath = Join-Path $Using:elasticDestinationPath "bin/elasticsearch-service.bat"
if (!(Test-Path $batPath))
{
throw "Cannot find elasticsearch-service-x64.exe at $batPath."
}
$env:JAVA_HOME = $using:JREDestinationPath
if (!$env:JAVA_HOME)
{
throw "Cannot find java.exe from env var JAVA_HOME path. elasticsearch-service.bat cannot remove elasticsearch service."
}
$process = Start-Process -FilePath $batPath -ArgumentList "remove" -PassThru -WindowStyle Hidden -Wait
Start-Sleep -Seconds 10
if ($process.ExitCode -ne 0)
{
Write-Error "ElasticSearch Service Removal completed with errors (exit code $($process.ExitCode))"
}
else
{
Write-Verbose "ElasticSearch Service completed successfully (exit code $($process.ExitCode))"
}
}
}
}
Archive JRE
{
Ensure = $Ensure
Destination = $JREDestinationPath
Path = $JRESourcePath
}
Environment JavaHomeEnv
{
Ensure = $Ensure
Name = "JAVA_HOME"
Value = $JREDestinationPath
DependsOn = "[Archive]JRE"
}
Archive ElasticSearch
{
Ensure = $Ensure
Destination = $ElasticDestinationPath
Path = $ElasticSourcePath
}
#Please keep the contents attribute format as it. otherwise the config file cannot be parsed by ES.
File ElasticConfigFile
{
Ensure = $Ensure
Type = "File"
DestinationPath = Join-Path "$ElasticDestinationPath" "config\elasticsearch.yml"
Contents =
"path.data: $ElasticDataPath
path.logs: $ElasticLogPath
node.name: $ElasticSearchNodeName
network.host: _site_
"
DependsOn = "[Archive]ElasticSearch"
Force = $true
}
File ElasticDataDirectory
{
Ensure = $Ensure
Type = "Directory"
DestinationPath = $ElasticDataPath
Force = $true
}
File ElasticLogDirectory
{
Ensure = $Ensure
Type = "Directory"
DestinationPath = $ElasticLogPath
Force = $true
}
if ($Ensure -eq 'Present')
{
Script InstallElasticSearch
{
DependsOn = "[File]ElasticConfigFile", "[File]ElasticDataDirectory", "[File]ElasticLogDirectory", "[Environment]JavaHomeEnv"
GetScript =
{
$instances = Get-Service "elasticsearch-service*"
$vals = @{
Installed = [boolean]$instances;
}
return $vals
}
TestScript =
{
$instances = Get-Service "elasticsearch-service*"
if ($instances)
{
Write-Verbose "elasticsearch-service is already running as a service"
}
else
{
Write-Verbose "elasticsearch-service is not running as a service"
}
return [boolean]$instances
}
SetScript =
{
$batPath = Join-Path $Using:elasticDestinationPath "bin/elasticsearch-service.bat"
$process = Start-Process -FilePath $batPath -ArgumentList "install" -PassThru -WindowStyle Hidden -Wait
if ($process.ExitCode -ne 0)
{
Write-Error "ElasticSearch Service installation completed with errors (exit code $($process.ExitCode))"
}
else
{
Write-Verbose "ElasticSearch Service installation completed successfully (exit code $($process.ExitCode))"
}
$start = Start-Process -FilePath $batPath -ArgumentList "start" -PassThru -WindowStyle Hidden -Wait
if ($start.ExitCode -ne 0)
{
Write-Error "ElasticSearch Service started with errors (exit code $($start.ExitCode))"
}
else
{
Write-Verbose "ElasticSearch Service started successfully (exit code $($start.ExitCode))"
}
}
}
}
}