terraform/builtin/providers/datadog/resource_datadog_monitor.go

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package datadog
import (
2016-04-19 02:28:46 +02:00
"encoding/json"
"fmt"
"log"
"strconv"
"strings"
"github.com/hashicorp/terraform/helper/schema"
"github.com/zorkian/go-datadog-api"
)
func resourceDatadogMonitor() *schema.Resource {
return &schema.Resource{
Create: resourceDatadogMonitorCreate,
Read: resourceDatadogMonitorRead,
Update: resourceDatadogMonitorUpdate,
Delete: resourceDatadogMonitorDelete,
Exists: resourceDatadogMonitorExists,
Importer: &schema.ResourceImporter{
State: resourceDatadogMonitorImport,
},
Schema: map[string]*schema.Schema{
"name": {
Type: schema.TypeString,
Required: true,
},
"message": {
Type: schema.TypeString,
Required: true,
StateFunc: func(val interface{}) string {
return strings.TrimSpace(val.(string))
},
},
"escalation_message": {
Type: schema.TypeString,
Optional: true,
StateFunc: func(val interface{}) string {
return strings.TrimSpace(val.(string))
},
},
"query": {
Type: schema.TypeString,
Required: true,
StateFunc: func(val interface{}) string {
return strings.TrimSpace(val.(string))
},
},
"type": {
Type: schema.TypeString,
Required: true,
},
// Options
"thresholds": {
Type: schema.TypeMap,
Optional: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"ok": {
Type: schema.TypeFloat,
Optional: true,
},
"warning": {
Type: schema.TypeFloat,
Optional: true,
},
"critical": {
Type: schema.TypeFloat,
Optional: true,
},
},
},
DiffSuppressFunc: suppressDataDogFloatIntDiff,
},
"notify_no_data": {
Type: schema.TypeBool,
Optional: true,
Default: false,
},
"new_host_delay": {
Type: schema.TypeInt,
Computed: true,
Optional: true,
},
"no_data_timeframe": {
Type: schema.TypeInt,
Optional: true,
},
"renotify_interval": {
Type: schema.TypeInt,
Optional: true,
},
"notify_audit": {
Type: schema.TypeBool,
Optional: true,
},
"timeout_h": {
Type: schema.TypeInt,
Optional: true,
},
"require_full_window": {
Type: schema.TypeBool,
Optional: true,
},
"locked": {
Type: schema.TypeBool,
Optional: true,
},
// TODO should actually be map[string]int
"silenced": {
Type: schema.TypeMap,
Optional: true,
Elem: &schema.Schema{
Type: schema.TypeString,
Elem: &schema.Schema{
Type: schema.TypeInt},
},
},
"include_tags": {
Type: schema.TypeBool,
Optional: true,
},
"tags": {
Type: schema.TypeList,
Optional: true,
Elem: &schema.Schema{Type: schema.TypeString},
},
},
}
}
func buildMonitorStruct(d *schema.ResourceData) *datadog.Monitor {
var thresholds datadog.ThresholdCount
if r, ok := d.GetOk("thresholds.ok"); ok {
thresholds.Ok = json.Number(r.(string))
}
if r, ok := d.GetOk("thresholds.warning"); ok {
thresholds.Warning = json.Number(r.(string))
}
if r, ok := d.GetOk("thresholds.critical"); ok {
thresholds.Critical = json.Number(r.(string))
}
o := datadog.Options{
Thresholds: thresholds,
NotifyNoData: d.Get("notify_no_data").(bool),
}
if attr, ok := d.GetOk("silenced"); ok {
s := make(map[string]int)
// TODO: this is not very defensive, test if we can fail on non int input
for k, v := range attr.(map[string]interface{}) {
s[k], _ = strconv.Atoi(v.(string))
}
o.Silenced = s
}
if attr, ok := d.GetOk("notify_no_data"); ok {
o.NotifyNoData = attr.(bool)
}
if attr, ok := d.GetOk("new_host_delay"); ok {
o.NewHostDelay = datadog.Int(attr.(int))
}
if attr, ok := d.GetOk("no_data_timeframe"); ok {
o.NoDataTimeframe = datadog.NoDataTimeframe(attr.(int))
}
if attr, ok := d.GetOk("renotify_interval"); ok {
o.RenotifyInterval = attr.(int)
}
if attr, ok := d.GetOk("notify_audit"); ok {
o.NotifyAudit = attr.(bool)
}
if attr, ok := d.GetOk("timeout_h"); ok {
o.TimeoutH = attr.(int)
}
if attr, ok := d.GetOk("escalation_message"); ok {
o.EscalationMessage = attr.(string)
}
if attr, ok := d.GetOk("include_tags"); ok {
o.IncludeTags = attr.(bool)
}
if attr, ok := d.GetOk("require_full_window"); ok {
o.RequireFullWindow = attr.(bool)
}
if attr, ok := d.GetOk("locked"); ok {
o.Locked = attr.(bool)
}
m := datadog.Monitor{
Type: d.Get("type").(string),
Query: d.Get("query").(string),
Name: d.Get("name").(string),
Message: d.Get("message").(string),
Options: o,
}
if attr, ok := d.GetOk("tags"); ok {
tags := []string{}
for _, s := range attr.([]interface{}) {
tags = append(tags, s.(string))
}
m.Tags = tags
}
return &m
}
func resourceDatadogMonitorExists(d *schema.ResourceData, meta interface{}) (b bool, e error) {
// Exists - This is called to verify a resource still exists. It is called prior to Read,
// and lowers the burden of Read to be able to assume the resource exists.
client := meta.(*datadog.Client)
i, err := strconv.Atoi(d.Id())
if err != nil {
return false, err
}
if _, err = client.GetMonitor(i); err != nil {
if strings.Contains(err.Error(), "404 Not Found") {
return false, nil
}
return false, err
}
return true, nil
}
func resourceDatadogMonitorCreate(d *schema.ResourceData, meta interface{}) error {
client := meta.(*datadog.Client)
m := buildMonitorStruct(d)
m, err := client.CreateMonitor(m)
if err != nil {
return fmt.Errorf("error updating monitor: %s", err.Error())
}
d.SetId(strconv.Itoa(m.Id))
return nil
}
func resourceDatadogMonitorRead(d *schema.ResourceData, meta interface{}) error {
client := meta.(*datadog.Client)
i, err := strconv.Atoi(d.Id())
if err != nil {
return err
}
m, err := client.GetMonitor(i)
if err != nil {
return err
}
thresholds := make(map[string]string)
for k, v := range map[string]json.Number{
"ok": m.Options.Thresholds.Ok,
"warning": m.Options.Thresholds.Warning,
"critical": m.Options.Thresholds.Critical,
} {
s := v.String()
if s != "" {
thresholds[k] = s
}
}
tags := []string{}
for _, s := range m.Tags {
tags = append(tags, s)
}
log.Printf("[DEBUG] monitor: %v", m)
d.Set("name", m.Name)
d.Set("message", m.Message)
d.Set("query", m.Query)
d.Set("type", m.Type)
d.Set("thresholds", thresholds)
d.Set("new_host_delay", m.Options.NewHostDelay)
d.Set("notify_no_data", m.Options.NotifyNoData)
d.Set("no_data_timeframe", m.Options.NoDataTimeframe)
d.Set("renotify_interval", m.Options.RenotifyInterval)
d.Set("notify_audit", m.Options.NotifyAudit)
d.Set("timeout_h", m.Options.TimeoutH)
d.Set("escalation_message", m.Options.EscalationMessage)
d.Set("silenced", m.Options.Silenced)
d.Set("include_tags", m.Options.IncludeTags)
d.Set("tags", tags)
d.Set("require_full_window", m.Options.RequireFullWindow)
d.Set("locked", m.Options.Locked)
return nil
}
func resourceDatadogMonitorUpdate(d *schema.ResourceData, meta interface{}) error {
client := meta.(*datadog.Client)
m := &datadog.Monitor{}
i, err := strconv.Atoi(d.Id())
if err != nil {
return err
}
m.Id = i
if attr, ok := d.GetOk("name"); ok {
m.Name = attr.(string)
}
if attr, ok := d.GetOk("message"); ok {
m.Message = attr.(string)
}
if attr, ok := d.GetOk("query"); ok {
m.Query = attr.(string)
}
if attr, ok := d.GetOk("tags"); ok {
s := make([]string, 0)
for _, v := range attr.([]interface{}) {
s = append(s, v.(string))
}
m.Tags = s
}
o := datadog.Options{
NotifyNoData: d.Get("notify_no_data").(bool),
}
if attr, ok := d.GetOk("thresholds"); ok {
thresholds := attr.(map[string]interface{})
if thresholds["ok"] != nil {
o.Thresholds.Ok = json.Number(thresholds["ok"].(string))
}
if thresholds["warning"] != nil {
o.Thresholds.Warning = json.Number(thresholds["warning"].(string))
}
if thresholds["critical"] != nil {
o.Thresholds.Critical = json.Number(thresholds["critical"].(string))
}
}
if attr, ok := d.GetOk("notify_no_data"); ok {
o.NotifyNoData = attr.(bool)
}
if attr, ok := d.GetOk("new_host_delay"); ok {
o.NewHostDelay = datadog.Int(attr.(int))
}
if attr, ok := d.GetOk("no_data_timeframe"); ok {
o.NoDataTimeframe = datadog.NoDataTimeframe(attr.(int))
}
if attr, ok := d.GetOk("renotify_interval"); ok {
o.RenotifyInterval = attr.(int)
}
if attr, ok := d.GetOk("notify_audit"); ok {
o.NotifyAudit = attr.(bool)
}
if attr, ok := d.GetOk("timeout_h"); ok {
o.TimeoutH = attr.(int)
}
if attr, ok := d.GetOk("escalation_message"); ok {
o.EscalationMessage = attr.(string)
}
if attr, ok := d.GetOk("silenced"); ok {
// TODO: this is not very defensive, test if we can fail non int input
s := make(map[string]int)
for k, v := range attr.(map[string]interface{}) {
s[k], _ = strconv.Atoi(v.(string))
}
o.Silenced = s
}
if attr, ok := d.GetOk("include_tags"); ok {
o.IncludeTags = attr.(bool)
}
if attr, ok := d.GetOk("require_full_window"); ok {
o.RequireFullWindow = attr.(bool)
}
if attr, ok := d.GetOk("locked"); ok {
o.Locked = attr.(bool)
}
m.Options = o
if err = client.UpdateMonitor(m); err != nil {
return fmt.Errorf("error updating monitor: %s", err.Error())
}
return resourceDatadogMonitorRead(d, meta)
}
func resourceDatadogMonitorDelete(d *schema.ResourceData, meta interface{}) error {
client := meta.(*datadog.Client)
i, err := strconv.Atoi(d.Id())
if err != nil {
return err
}
if err = client.DeleteMonitor(i); err != nil {
return err
}
return nil
}
func resourceDatadogMonitorImport(d *schema.ResourceData, meta interface{}) ([]*schema.ResourceData, error) {
if err := resourceDatadogMonitorRead(d, meta); err != nil {
return nil, err
}
return []*schema.ResourceData{d}, nil
}
// Ignore any diff that results from the mix of ints or floats returned from the
// DataDog API.
func suppressDataDogFloatIntDiff(k, old, new string, d *schema.ResourceData) bool {
oF, err := strconv.ParseFloat(old, 64)
if err != nil {
log.Printf("Error parsing float of old value (%s): %s", old, err)
return false
}
nF, err := strconv.ParseFloat(new, 64)
if err != nil {
log.Printf("Error parsing float of new value (%s): %s", new, err)
return false
}
// if the float values of these attributes are equivalent, ignore this
// diff
if oF == nF {
return true
}
return false
}