Mackerel.ps1

# http://qiita.com/HKDnet/items/57a0630705d3f6468a77
# $Env:MackerelApiKey is needed

function Get-MackerelHosts {
    $ret = Invoke-RestMethod -Uri "https://mackerel.io/api/v0/hosts.json" -Headers @{ "X-Api-Key" = $Env:MackerelApiKey }
    return $ret.hosts
}

function Get-MackerelServices {
    $ret = Invoke-RestMethod -Uri "https://mackerel.io/api/v0/services" -Method GET -Headers @{ "X-Api-Key" = $Env:MackerelApiKey}
    return $ret.services
}
function Get-MackerelRoles {
    param(
        [String]
        $ServiceName
    )
    return (Get-MackerelServices | ? { $_.name -eq $ServiceName }).roles
}

function Get-MackerelHost {
    param(
        [String]
        $ServiceName = "",
        [String]
        $RoleName = ""
    )
    if ([String]::IsNullOrWhiteSpace($ServiceName)) {
        $ServiceName = (Get-MackerelServices | % { $_.name } | peco)
    }
    if ([String]::IsNullOrWhiteSpace($RoleName)) {
        $RoleName = (Get-MackerelRoles -ServiceName $ServiceName | peco)
    }
    $ret = Invoke-RestMethod -Uri "https://mackerel.io/api/v0/hosts.json?service=$ServiceName&role=$RoleName" -Headers @{ "X-Api-Key" = $Env:MackerelApiKey }
    return $ret.hosts | % { $_.name }
}

# 2015-09-08 add
function Get-MackerelSelfInfo {
     return Get-MackerelHosts | ? { $_.name -eq $Env:COMPUTERNAME } 
}

function Set-MackerelStatus {
    param(
        [String]
        $Id,
        [String]
        $Status
    )
    $url = "https://mackerel.io/api/v0/hosts/{0}/status" -f $Id
    $body = @{ "status" = $Status } | ConvertTo-Json
    $header = @{
        "X-Api-Key" = $Env:MackerelApiKey;
        "Content-Type" = "application/json"
    }
    Invoke-RestMethod -Method Post -Uri $url -Headers $header -Body $body
}
function Get-MackerelId {
    param(
        [String]
        $Hostname = $Env:COMPUTERNAME
    )
    $ret = Get-MackerelHosts | ? { $_.name -eq $Hostname } 
    return $ret[0].id
}