Public/Metrics/Get-PiHoleStatsSummary.ps1

function Get-PiHoleStatsSummary {
    <#
.SYNOPSIS
Get overview of Pi-hole activity
Request various query, system, and FTL properties

.PARAMETER PiHoleServer
The URL to the PiHole Server, for example "http://pihole.domain.com:8080", or "http://192.168.1.100"

.PARAMETER Password
The API Password you generated from your PiHole server

.PARAMETER IgnoreSsl
Set to $true to skip SSL certificate validation

.PARAMETER RawOutput
This will dump the response instead of the formatted object

.EXAMPLE
Get-PiHoleStatsSummary -PiHoleServer "http://pihole.domain.com:8080" -Password "your-app-password"
    #>

    [CmdletBinding()]
    [System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSAvoidUsingPlainTextForPassword", "Password")]
    param (
        [Parameter(Mandatory = $true)]
        [System.URI]$PiHoleServer,
        [Parameter(Mandatory = $true)]
        [string]$Password,
        [bool]$IgnoreSsl = $false,
        [bool]$RawOutput = $false
    )
    try {
        $Sid = Request-PiHoleAuth -PiHoleServer $PiHoleServer -Password $Password -IgnoreSsl $IgnoreSsl

        $Params = @{
            Headers              = @{sid = $($Sid) }
            Uri                  = "$($PiHoleServer.OriginalString)/api/stats/summary"
            Method               = "Get"
            SkipCertificateCheck = $IgnoreSsl
            ContentType          = "application/json"
        }

        $Response = Invoke-RestMethod @Params

        if ($RawOutput) {
            Write-Output $Response
        }
        else {
            $Object = [PSCustomObject]@{
                Total          = $Response.queries.total
                Blocked        = $Response.queries.blocked
                PercentBlocked = $Response.queries.percent_blocked
                UniqueDomains  = $Response.queries.unique_domains
                Forwarded      = $Response.queries.forwarded
                Cached         = $Response.queries.cached
                Frequency      = $Response.queries.frequency
                Types          = [PSCustomObject]@{
                    A      = $Response.queries.types.A
                    AAAA   = $Response.queries.types.AAAA
                    ANY    = $Response.queries.types.ANY
                    SRV    = $Response.queries.types.SRV
                    SOA    = $Response.queries.types.SOA
                    PTR    = $Response.queries.types.PTR
                    TXT    = $Response.queries.types.TXT
                    NAPTR  = $Response.queries.types.NAPTR
                    MX     = $Response.queries.types.MX
                    DS     = $Response.queries.types.DS
                    RRSIG  = $Response.queries.types.RRSIG
                    DNSKEY = $Response.queries.types.DNSKEY
                    NS     = $Response.queries.types.NS
                    SVCB   = $Response.queries.types.SVCB
                    HTTPS  = $Response.queries.types.HTTPS
                    OTHER  = $Response.queries.types.OTHER
                }
                Status         = [PSCustomObject]@{
                    Unknown              = $Response.queries.status.UNKNOWN
                    Gravity              = $Response.queries.status.GRAVITY
                    Forwarded            = $Response.queries.status.FORWARDED
                    Cache                = $Response.queries.status.CACHE
                    Regex                = $Response.queries.status.REGEX
                    DenyList             = $Response.queries.status.DENYLIST
                    ExternalBlockedIp    = $Response.queries.status.EXTERNAL_BLOCKED_IP
                    ExternalBlockedNull  = $Response.queries.status.EXTERNAL_BLOCKED_NULL
                    ExternalBlockedNxra  = $Response.queries.status.EXTERNAL_BLOCKED_NXRA
                    GravityCname         = $Response.queries.status.GRAVITY_CNAME
                    RegexCname           = $Response.queries.status.REGEX_CNAME
                    DenyListCname        = $Response.queries.status.DENYLIST_CNAME
                    Retired              = $Response.queries.status.RETRIED
                    RetiredDnssec        = $Response.queries.status.RETRIED_DNSSEC
                    InProgress           = $Response.queries.status.IN_PROGRESS
                    Dbbusy               = $Response.queries.status.DBBUSY
                    SpecialDomain        = $Response.queries.status.SPECIAL_DOMAIN
                    CacheStale           = $Response.queries.status.CACHE_STALE
                    ExternalBlockedEde15 = $Response.queries.status.EXTERNAL_BLOCKED_EDE15
                }
                Replies        = [PSCustomObject]@{
                    Unknown  = $Response.queries.replies.UNKNOWN
                    Nodata   = $Response.queries.replies.NODATA
                    Nxdomain = $Response.queries.replies.NXDOMAIN
                    Cname    = $Response.queries.replies.CNAME
                    Ip       = $Response.queries.replies.IP
                    Domain   = $Response.queries.replies.DOMAIN
                    Rrname   = $Response.queries.replies.RRNAME
                    ServFail = $Response.queries.replies.SERVFAIL
                    Refused  = $Response.queries.replies.REFUSED
                    Notimp   = $Response.queries.replies.NOTIMP
                    Other    = $Response.queries.replies.OTHER
                    Dnssec   = $Response.queries.replies.DNSSEC
                    None     = $Response.queries.replies.NONE
                    Blob     = $Response.queries.replies.BLOB
                }
                Clients        = [PSCustomObject]@{
                    Active = $Response.clients.active
                    Total  = $Response.clients.total
                }
                Gravity        = [PSCustomObject]@{
                    DomainsBeingBlocked = $Response.gravity.domains_being_blocked
                    LastUpdate          = $Response.gravity.last_update
                }
            }
            Write-Output $Object
        }
    }

    catch {
        Write-Error -Message $_.Exception.Message
    }

    finally {
        if ($Sid) {
            Remove-PiHoleCurrentAuthSession -PiHoleServer $PiHoleServer -Sid $Sid -IgnoreSsl $IgnoreSsl
        }
    }
}