zabbix-docker/Dockerfiles/agent2/windows/docker-entrypoint.ps1

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# Script trace mode
if ($env:DEBUG_MODE -eq "true") {
Set-PSDebug -trace 1
}
# Default Zabbix installation name
# Default Zabbix server host
if ([string]::IsNullOrWhitespace($env:ZBX_SERVER_HOST)) {
$env:ZBX_SERVER_HOST="zabbix-server"
}
# Default Zabbix server port number
if ([string]::IsNullOrWhitespace($env:ZBX_SERVER_PORT)) {
$env:ZBX_SERVER_PORT="10051"
}
# Default directories
# User 'zabbix' home directory
$ZabbixUserHomeDir="C:\zabbix"
# Configuration files directory
$ZabbixConfigDir="C:\zabbix\conf"
function Update-Config-Var {
Param (
[Parameter(Mandatory=$true, Position=0)]
[ValidateNotNullOrEmpty()]
[string] $ConfigPath,
[Parameter(Mandatory=$true, Position=1)]
[ValidateNotNullOrEmpty()]
[string]$VarName,
[Parameter(Mandatory=$false, Position=2)]
[string]$VarValue = $null,
[Parameter(Mandatory=$false, Position=3)]
[bool]$IsMultiple
)
$MaskList = "TLSPSKIdentity"
if (-not(Test-Path -Path $ConfigPath -PathType Leaf)) {
throw "**** Configuration file '$ConfigPath' does not exist"
}
if ($MaskList.Contains($VarName) -eq $true -And [string]::IsNullOrWhitespace($VarValue) -ne $true) {
Write-Host -NoNewline "** Updating '$ConfigPath' parameter ""$VarName"": '****'. Enable DEBUG_MODE to view value ..."
}
else {
Write-Host -NoNewline "** Updating '$ConfigPath' parameter ""$VarName"": '$VarValue'..."
}
if ([string]::IsNullOrWhitespace($VarValue)) {
if ((Get-Content $ConfigPath | %{$_ -match "^$VarName="}) -contains $true) {
(Get-Content $ConfigPath) |
Where-Object {$_ -notmatch "^$VarName=" } |
Set-Content $ConfigPath
}
Write-Host "removed"
return
}
if ($VarValue -eq '""') {
(Get-Content $ConfigPath) | Foreach-Object { $_ -Replace "^($VarName=)(.*)", '$1' } | Set-Content $ConfigPath
Write-Host "undefined"
return
}
if ($VarName -match '^TLS.*File$') {
$VarValue="$ZabbixUserHomeDir\enc\$VarValue"
}
if ((Get-Content $ConfigPath | %{$_ -match "^$VarName="}) -contains $true -And $IsMultiple -ne $true) {
(Get-Content $ConfigPath) | Foreach-Object { $_ -Replace "^$VarName=.+", "$VarName=$VarValue" } | Set-Content $ConfigPath
Write-Host updated
}
elseif ((Get-Content $ConfigPath | select-string -pattern "^[#;] $VarName=").length -gt 0) {
(Get-Content $ConfigPath) |
Foreach-Object {
$_
if ($_ -match "^[#;] $VarName=") {
"$VarName=$VarValue"
}
} | Set-Content $ConfigPath
Write-Host "added"
}
else {
Add-Content -Path $ConfigPath -Value "$VarName=$VarValue"
Write-Host "added at the end"
}
}
function Update-Config-Multiple-Var {
Param (
[Parameter(Mandatory=$true, Position=0)]
[ValidateNotNullOrEmpty()]
[string] $ConfigPath,
[Parameter(Mandatory=$true, Position=1)]
[ValidateNotNullOrEmpty()]
[string]$VarName,
[Parameter(Mandatory=$false, Position=2)]
[string]$VarValue = $null
)
foreach ($value in $VarValue.split(',')) {
Update-Config-Var $ConfigPath $VarName $value $true
}
}
function Prepare-Zbx-Agent-Config {
Write-Host "** Preparing Zabbix agent configuration file"
$ZbxAgentConfig="$ZabbixConfigDir\zabbix_agent2.win.conf"
if ([string]::IsNullOrWhitespace($env:ZBX_PASSIVESERVERS)) {
$env:ZBX_PASSIVESERVERS=""
}
else {
$env:ZBX_PASSIVESERVERS=",$env:ZBX_PASSIVESERVERS"
}
$env:ZBX_PASSIVESERVERS=$env:ZBX_SERVER_HOST + $env:ZBX_PASSIVESERVERS
if ([string]::IsNullOrWhitespace($env:ZBX_ACTIVESERVERS)) {
$env:ZBX_ACTIVESERVERS=""
}
else {
$env:ZBX_ACTIVESERVERS=",$env:ZBX_ACTIVESERVERS"
}
$env:ZBX_ACTIVESERVERS=$env:ZBX_SERVER_HOST + ":" + $env:ZBX_SERVER_PORT + $env:ZBX_ACTIVESERVERS
Update-Config-Var $ZbxAgentConfig "LogType" "console"
Update-Config-Var $ZbxAgentConfig "LogFile"
Update-Config-Var $ZbxAgentConfig "LogFileSize"
Update-Config-Var $ZbxAgentConfig "DebugLevel" "$env:ZBX_DEBUGLEVEL"
Update-Config-Var $ZbxAgentConfig "SourceIP"
Update-Config-Var $ZbxAgentConfig "LogRemoteCommands" "$env:ZBX_LOGREMOTECOMMANDS"
if ([string]::IsNullOrWhitespace($env:ZBX_PASSIVE_ALLOW)) {
$env:ZBX_PASSIVE_ALLOW="true"
}
if ($env:ZBX_PASSIVE_ALLOW -eq "true") {
Write-Host "** Using '$env:ZBX_PASSIVESERVERS' servers for passive checks"
Update-Config-Var $ZbxAgentConfig "Server" "$env:ZBX_PASSIVESERVERS"
}
else {
Update-Config-Var $ZbxAgentConfig "Server"
}
Update-Config-Var $ZbxAgentConfig "ListenPort" "$env:ZBX_LISTENPORT"
Update-Config-Var $ZbxAgentConfig "ListenIP" "$env:ZBX_LISTENIP"
if ([string]::IsNullOrWhitespace($env:ZBX_ACTIVE_ALLOW)) {
$env:ZBX_ACTIVE_ALLOW="true"
}
if ($env:ZBX_PASSIVE_ALLOW -eq "true") {
Write-Host "** Using '$env:ZBX_ACTIVESERVERS' servers for active checks"
Update-Config-Var $ZbxAgentConfig "ServerActive" "$env:ZBX_ACTIVESERVERS"
}
else {
Update-Config-Var $ZbxAgentConfig "ServerActive"
}
if ([string]::IsNullOrWhitespace($env:ZBX_ENABLEPERSISTENTBUFFER)) {
$env:ZBX_ENABLEPERSISTENTBUFFER="true"
}
if ($env:ZBX_ENABLEPERSISTENTBUFFER -eq "true") {
Update-Config-Var $ZbxAgentConfig "EnablePersistentBuffer" "1"
Update-Config-Var $ZbxAgentConfig "PersistentBufferFile" "$ZabbixUserHomeDir\buffer\agent2.db"
Update-Config-Var $ZbxAgentConfig "PersistentBufferPeriod" "$env:ZBX_PERSISTENTBUFFERPERIOD"
}
else {
Update-Config-Var $ZbxAgentConfig "EnablePersistentBuffer" "0"
}
if ([string]::IsNullOrWhitespace($env:ZBX_ENABLESTATUSPORT)) {
$env:ZBX_ENABLESTATUSPORT="true"
}
if ($env:ZBX_ENABLESTATUSPORT -eq "true") {
Update-Config-Var $ZbxAgentConfig "StatusPort" "31999"
}
Update-Config-Var $ZbxAgentConfig "Hostname" "$env:ZBX_HOSTNAME"
Update-Config-Var $ZbxAgentConfig "HostnameItem" "$env:ZBX_HOSTNAMEITEM"
Update-Config-Var $ZbxAgentConfig "HostMetadata" "$env:ZBX_METADATA"
Update-Config-Var $ZbxAgentConfig "HostMetadataItem" "$env:ZBX_METADATAITEM"
Update-Config-Var $ZbxAgentConfig "HostInterface" "$env:ZBX_HOSTINTERFACE"
Update-Config-Var $ZbxAgentConfig "HostInterfaceItem" "$env:ZBX_HOSTINTERFACEITEM"
Update-Config-Var $ZbxAgentConfig "RefreshActiveChecks" "$env:ZBX_REFRESHACTIVECHECKS"
Update-Config-Var $ZbxAgentConfig "BufferSend" "$env:ZBX_BUFFERSEND"
Update-Config-Var $ZbxAgentConfig "BufferSize" "$env:ZBX_BUFFERSIZE"
Update-Config-Var $ZbxAgentConfig "MaxLinesPerSecond" "$env:ZBX_MAXLINESPERSECOND"
# Please use include to enable Alias feature
# update_config_multiple_var $ZBX_AGENT_CONFIG "Alias" $env:ZBX_ALIAS
# Please use include to enable Perfcounter feature
# update_config_multiple_var $ZBX_AGENT_CONFIG "PerfCounter" $env:ZBX_PERFCOUNTER
Update-Config-Var $ZbxAgentConfig "Timeout" "$env:ZBX_TIMEOUT"
Update-Config-Var $ZbxAgentConfig "Include" "$ZabbixConfigDir\zabbix_agentd.d\"
Update-Config-Var $ZbxAgentConfig "UnsafeUserParameters" "$env:ZBX_UNSAFEUSERPARAMETERS"
Update-Config-Var $ZbxAgentConfig "TLSConnect" "$env:ZBX_TLSCONNECT"
Update-Config-Var $ZbxAgentConfig "TLSAccept" "$env:ZBX_TLSACCEPT"
Update-Config-Var $ZbxAgentConfig "TLSCAFile" "$env:ZBX_TLSCAFILE"
Update-Config-Var $ZbxAgentConfig "TLSCRLFile" "$env:ZBX_TLSCRLFILE"
Update-Config-Var $ZbxAgentConfig "TLSServerCertIssuer" "$env:ZBX_TLSSERVERCERTISSUER"
Update-Config-Var $ZbxAgentConfig "TLSServerCertSubject" "$env:ZBX_TLSSERVERCERTSUBJECT"
Update-Config-Var $ZbxAgentConfig "TLSCertFile" "$env:ZBX_TLSCERTFILE"
Update-Config-Var $ZbxAgentConfig "TLSKeyFile" "$env:ZBX_TLSKEYFILE"
Update-Config-Var $ZbxAgentConfig "TLSPSKIdentity" "$env:ZBX_TLSPSKIDENTITY"
Update-Config-Var $ZbxAgentConfig "TLSPSKFile" "$env:ZBX_TLSPSKFILE"
Update-Config-Multiple-Var $ZbxAgentConfig "DenyKey" "$env:ZBX_DENYKEY"
Update-Config-Multiple-Var $ZbxAgentConfig "AllowKey" "$env:ZBX_ALLOWKEY"
}
function PrepareAgent {
Write-Host "** Preparing Zabbix agent"
Prepare-Zbx-Agent-Config
}
$commandArgs=$args
if ($args.length -gt 0 -And $args[0].Substring(0, 1) -eq '-') {
$commandArgs = "C:\zabbix\sbin\zabbix_agent2.exe " + $commandArgs
}
if ($args.length -gt 0 -And $args[0] -eq "C:\zabbix\sbin\zabbix_agent2.exe") {
PrepareAgent
}
if ($args.length -gt 0) {
Invoke-Expression "$CommandArgs"
}