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monitor.go
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monitor.go
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// Copyright 2018 The Terraformer Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package datadog
import (
"context"
"fmt"
"strconv"
"strings"
datadogV1 "github.com/DataDog/datadog-api-client-go/api/v1/datadog"
"github.com/GoogleCloudPlatform/terraformer/terraformutils"
)
var (
// MonitorAllowEmptyValues ...
MonitorAllowEmptyValues = []string{"tags.", "message"}
)
// MonitorGenerator ...
type MonitorGenerator struct {
DatadogService
}
func (g *MonitorGenerator) createResources(monitors []datadogV1.Monitor) []terraformutils.Resource {
resources := []terraformutils.Resource{}
for _, monitor := range monitors {
if monitor.GetType() == datadogV1.MONITORTYPE_SYNTHETICS_ALERT {
continue
}
resourceName := strconv.FormatInt(monitor.GetId(), 10)
resources = append(resources, g.createResource(resourceName))
}
return resources
}
func (g *MonitorGenerator) createResource(monitorID string) terraformutils.Resource {
return terraformutils.NewSimpleResource(
monitorID,
fmt.Sprintf("monitor_%s", monitorID),
"datadog_monitor",
"datadog",
MonitorAllowEmptyValues,
)
}
// InitResources Generate TerraformResources from Datadog API,
// from each monitor create 1 TerraformResource.
// Need Monitor ID as ID for terraform resource
func (g *MonitorGenerator) InitResources() error {
datadogClientV1 := g.Args["datadogClientV1"].(*datadogV1.APIClient)
authV1 := g.Args["authV1"].(context.Context)
optionalParams := datadogV1.NewListMonitorsOptionalParameters()
resources := []terraformutils.Resource{}
for _, filter := range g.Filter {
if filter.FieldPath == "id" && filter.IsApplicable("monitor") {
for _, value := range filter.AcceptableValues {
i, err := strconv.ParseInt(value, 10, 64)
if err != nil {
return err
}
monitor, _, err := datadogClientV1.MonitorsApi.GetMonitor(authV1, i)
if err != nil {
return err
}
resources = append(resources, g.createResource(strconv.FormatInt(monitor.GetId(), 10)))
}
}
if filter.FieldPath == "tags" && filter.IsApplicable("monitor") {
optionalParams.WithMonitorTags(strings.Join(filter.AcceptableValues, ","))
}
}
if len(resources) > 0 {
g.Resources = resources
return nil
}
var monitors []datadogV1.Monitor
pageSize := int32(1000)
pageNumber := int64(0)
for {
resp, _, err := datadogClientV1.MonitorsApi.ListMonitors(authV1, *optionalParams.
WithPageSize(pageSize).
WithPage(pageNumber))
if err != nil {
return err
}
if len(resp) == 0 || int32(len(resp)) < pageSize {
monitors = append(monitors, resp...)
break
}
monitors = append(monitors, resp...)
pageNumber++
}
g.Resources = g.createResources(monitors)
return nil
}