Added support to manage framework config

lib/config/Get-IcingaConfigTreeCount.psm1

@@ -0,0 +1,25 @@
+function Get-IcingaConfigTreeCount()
+{
+    param(
+        $Path = ''
+    );
+
+    $Config       = Read-IcingaPowerShellConfig;
+    $PathArray    = $Path.Split('.');
+    $ConfigObject = $Config;
+    [int]$Count   = 0;
+
+    foreach ($entry in $PathArray) {
+        if (-Not (Test-IcingaPowerShellConfigItem -ConfigObject $ConfigObject -ConfigKey $entry)) {
+            continue;
+        }
+
+        $ConfigObject = $ConfigObject.$entry;
+    }
+
+    foreach ($config in $ConfigObject.PSObject.Properties) {
+        $Count += 1;
+    }
+
+    return $Count;
+}

lib/config/Get-IcingaPowerShellConfig.psm1

@@ -0,0 +1,20 @@
+function Get-IcingaPowerShellConfig()
+{
+    param(
+        $Path = ''
+    );
+
+    $Config       = Read-IcingaPowerShellConfig;
+    $PathArray    = $Path.Split('.');
+    $ConfigObject = $Config;
+
+    foreach ($entry in $PathArray) {
+        if (-Not (Test-IcingaPowerShellConfigItem -ConfigObject $ConfigObject -ConfigKey $entry)) {
+            return $null;
+        }
+
+        $ConfigObject = $ConfigObject.$entry;
+    }
+
+    return $ConfigObject;
+}

lib/config/New-IcingaPowerShellConfigItem.psm1

@@ -0,0 +1,14 @@
+function New-IcingaPowerShellConfigItem()
+{
+    param(
+        $ConfigObject,
+        [string]$ConfigKey,
+        $ConfigValue       = $null
+    );
+
+    if ($null -eq $ConfigValue) {
+        $ConfigValue = (New-Object -TypeName PSOBject);
+    }
+
+    $ConfigObject | Add-Member -MemberType NoteProperty -Name $ConfigKey -Value $ConfigValue;
+}

lib/config/Read-IcingaPowerShellConfig.psm1

@@ -0,0 +1,23 @@
+function Read-IcingaPowerShellConfig()
+{
+    $ConfigDir  = Get-IcingaPowerShellConfigDir;
+    $ConfigFile = Join-Path -Path $ConfigDir -ChildPath 'config.json';
+
+    if ($global:IcingaDaemonData.FrameworkRunningAsDaemon) {
+        if ($global:IcingaDaemonData.ContainsKey('Config')) {
+            return $global:IcingaDaemonData.Config;
+        }
+    }
+
+    if (-Not (Test-Path $ConfigFile)) {
+        return (New-Object -TypeName PSOBject);
+    }
+
+    [string]$Content = Get-Content -Path $ConfigFile;
+
+    if ([string]::IsNullOrEmpty($Content)) {
+        return (New-Object -TypeName PSOBject);
+    }
+
+    return (ConvertFrom-Json -InputObject $Content);
+}

lib/config/Remove-IcingaPowerShellConfig.psm1

@@ -0,0 +1,32 @@
+function Remove-IcingaPowerShellConfig()
+{
+    param(
+        $Path  = ''
+    );
+
+    if ([string]::IsNullOrEmpty($Path)) {
+        throw 'Please specify a valid path to an object';
+    }
+
+    $Config       = Read-IcingaPowerShellConfig;
+    $PathArray    = $Path.Split('.');
+    $ConfigObject = $Config;
+    [int]$Index   = $PathArray.Count;
+
+    foreach ($entry in $PathArray) {
+
+        if (-Not (Test-IcingaPowerShellConfigItem -ConfigObject $ConfigObject -ConfigKey $entry)) {
+            return $null;
+        }
+
+        if ($index -eq  1) {
+            $ConfigObject.PSObject.Properties.Remove($entry);
+            break;
+        }
+
+        $ConfigObject = $ConfigObject.$entry;
+        $Index        -= 1;
+    }
+
+    Write-IcingaPowerShellConfig $Config;
+}

lib/config/Set-IcingaPowerShellConfig.psm1

@@ -0,0 +1,31 @@
+function Set-IcingaPowerShellConfig()
+{
+    param(
+        $Path  = '',
+        $Value = $null
+    );
+
+    $Config       = Read-IcingaPowerShellConfig;
+    $PathArray    = $Path.Split('.');
+    $ConfigObject = $Config;
+    [int]$Index   = $PathArray.Count;
+    $InputValue   = $null;
+    foreach ($entry in $PathArray) {
+        if ($index -eq  1) {
+            $InputValue = $Value;
+        }
+        if (-Not (Test-IcingaPowerShellConfigItem -ConfigObject $ConfigObject -ConfigKey $entry)) {
+            New-IcingaPowerShellConfigItem -ConfigObject $ConfigObject -ConfigKey $entry -ConfigValue $InputValue;
+        }
+
+        if ($index -eq  1) {
+            $ConfigObject.$entry = $Value;
+            break;
+        }
+
+        $ConfigObject = $ConfigObject.$entry;
+        $index -= 1;
+    }
+
+    Write-IcingaPowerShellConfig $Config;
+}

lib/config/Test-IcingaPowerShellConfigItem.psm1

@@ -0,0 +1,9 @@
+function Test-IcingaPowerShellConfigItem()
+{
+    param(
+        $ConfigObject,
+        $ConfigKey
+    );
+
+    return ([bool]($ConfigObject.PSobject.Properties.Name -eq $ConfigKey) -eq $TRUE);
+}

lib/config/Write-IcingaPowerShellConfig.psm1

@@ -0,0 +1,23 @@
+function Write-IcingaPowerShellConfig()
+{
+    param(
+        $Config
+    );
+
+    $ConfigDir  = Get-IcingaPowerShellConfigDir;
+    $ConfigFile = Join-Path -Path $ConfigDir -ChildPath 'config.json';
+
+    if (-Not (Test-Path $ConfigDir)) {
+        New-Item -Path $ConfigDir -ItemType Directory | Out-Null;
+    }
+
+    $Content = ConvertTo-Json -InputObject $Config -Depth 100;
+
+    Set-Content -Path $ConfigFile -Value $Content;
+
+    if ($global:IcingaDaemonData.FrameworkRunningAsDaemon) {
+        if ($global:IcingaDaemonData.ContainsKey('Config')) {
+            $global:IcingaDaemonData.Config = $Config;
+        }
+    }
+}