# Monitor CPU Utilisation
resource "datadog_monitor" "cpumonitor" {
  name = "cpu monitor"
  type = "metric alert"
  message = "CPU usage alert"
  query = "avg(last_1m):avg:system.cpu.system{*} by {host} > 60"
  monitor_thresholds {
    ok = 20
    warning = 50
    critical = 60
  }
}

# Monitor Memory Utilisation
resource "datadog_monitor" "memorymonitor" {
  name                = "Usable Memory"
  type                = "query alert"
  evaluation_delay    = "15"
  include_tags        = true
  locked              = false
  message             = "Plaaper de plaaper de plaap"
  new_host_delay      = 300
  no_data_timeframe   = 0
  #notify_audit        = 0
  #notify_no_data      = 0
  priority            = 0
  renotify_interval   = 0
  require_full_window = true
  #restricted_roles    = []
  timeout_h           = 0
  query               = "max(last_5m):avg:system.mem.usable{*} by {host} / avg:system.mem.total{*} by {host} * 100 < 5"
  
  monitor_thresholds {
    critical = 5
    warning  = 10
  }
}

# Monitor System Load
resource "datadog_monitor" "systemload" {
  name                = "System Load"
  type                = "query alert"
  evaluation_delay    = "15"
  include_tags        = true
  locked              = false
  new_host_delay      = 300
  no_data_timeframe   = 0
  #notify_audit        = false
  priority            = 0
  renotify_interval   = 0
  require_full_window = true
  #restricted_roles    = []
  tags                = []
  timeout_h           = 0
  message             = "System Load exceeding set Thresholg, please investigate"
  query               = "min(last_30m):( avg:system.load.norm.5{*} by {host} ) > 2.5"

  monitor_thresholds {
    critical = "2.5"
    warning  = "2"
  }

}
# Monitor Disk Utilisation
resource "datadog_monitor" "disk_usage" {
  name                = "Disk Space"
  type                = "query alert"
  evaluation_delay    = 15
  include_tags        = true
  locked              = false
  new_host_delay      = 300
  no_data_timeframe   = 0
  #notify_audit        = 0
  priority            = 0
  renotify_interval   = 0
  require_full_window = true
  #restricted_roles    = []
  tags                = []
  timeout_h           = 0
  message             = "Disk Usage is exceeding set threshold, please investigate"
  query               = "max(last_5m):avg:system.disk.in_use{*} by {host,device} * 100 > 90"

  monitor_thresholds {
    critical = "90"
    warning   = "80"
  }
}

# Monitor Disk Inode Usage
resource "datadog_monitor" "disk_inodes" {
  name                = "Disk Inodes Usage"
  type                = "query alert"
  evaluation_delay    = 15
  include_tags        = true
  locked              = false
  new_host_delay      = 300
  no_data_timeframe   = 0
  #notify_audit        = 0
  priority            = 0
  renotify_interval   = 0
  require_full_window = true
  #restricted_roles    = []
  tags                = []
  timeout_h           = 0
  message             = "Disk Inode Usage is exceeding set threshold, please investigate"
  query               = "min(last_5m):avg:system.fs.inodes.in_use{*} by {host,device} * 100 > 95"

  monitor_thresholds {
    critical = "95"
    warning   = "90"
  }
}

# Monitor Disk Space Forecast
resource "datadog_monitor" "disk_forecast" {
  name                = "Disk Usage Forecast"
  type                = "query alert"
  evaluation_delay    = 15
  include_tags        = true
  locked              = false
  new_host_delay      = 300
  no_data_timeframe   = 0
  #notify_audit        = 0
  priority            = 0
  renotify_interval   = 0
  require_full_window = true
  #restricted_roles    = []
  tags                = []
  timeout_h           = 0
  message             = "Disk Usage is exceeding set threshold, please investigate"
  query               = "max(next_1w):forecast(avg:system.disk.in_use{*} by {host,device} * 100, 'linear', 1, interval='60m', history='1w', model='default') >= 80"

  monitor_thresholds {
    critical = "80"
    warning   = "72"
  }
}