github.com/GoogleCloudPlatform/terraformer@v0.8.18/providers/datadog/logs_custom_pipeline.go (about)

     1  // Copyright 2018 The Terraformer Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package datadog
    16  
    17  import (
    18  	"context"
    19  	"encoding/json"
    20  	"fmt"
    21  	"strings"
    22  
    23  	datadogV1 "github.com/DataDog/datadog-api-client-go/api/v1/datadog"
    24  
    25  	"github.com/GoogleCloudPlatform/terraformer/terraformutils"
    26  )
    27  
    28  var (
    29  	// LogsCustomPipelineAllowEmptyValues ...
    30  	LogsCustomPipelineAllowEmptyValues = []string{"support_rules", "filter"}
    31  )
    32  
    33  // LogsCustomPipelineGenerator ...
    34  type LogsCustomPipelineGenerator struct {
    35  	DatadogService
    36  }
    37  
    38  func (g *LogsCustomPipelineGenerator) createResources(logsCustomPipelines []datadogV1.LogsPipeline) []terraformutils.Resource {
    39  	resources := []terraformutils.Resource{}
    40  	for _, logsCustomPipeline := range logsCustomPipelines {
    41  		// Import logs custom pipelines only
    42  		if !logsCustomPipeline.GetIsReadOnly() {
    43  			resourceName := logsCustomPipeline.GetId()
    44  			resources = append(resources, g.createResource(resourceName))
    45  		}
    46  	}
    47  
    48  	return resources
    49  }
    50  
    51  func (g *LogsCustomPipelineGenerator) createResource(logsCustomPipelineID string) terraformutils.Resource {
    52  	return terraformutils.NewSimpleResource(
    53  		logsCustomPipelineID,
    54  		fmt.Sprintf("logs_custom_pipeline_%s", logsCustomPipelineID),
    55  		"datadog_logs_custom_pipeline",
    56  		"datadog",
    57  		LogsCustomPipelineAllowEmptyValues,
    58  	)
    59  }
    60  
    61  // InitResources Generate TerraformResources from Datadog API,
    62  // from each custom pipeline create 1 TerraformResource.
    63  // Need LogsPipeline ID as ID for terraform resource
    64  func (g *LogsCustomPipelineGenerator) InitResources() error {
    65  	datadogClientV1 := g.Args["datadogClientV1"].(*datadogV1.APIClient)
    66  	authV1 := g.Args["authV1"].(context.Context)
    67  
    68  	resources := []terraformutils.Resource{}
    69  	for _, filter := range g.Filter {
    70  		if filter.FieldPath == "id" && filter.IsApplicable("logs_custom_pipeline") {
    71  			for _, value := range filter.AcceptableValues {
    72  				logsCustomPipeline, _, err := datadogClientV1.LogsPipelinesApi.GetLogsPipeline(authV1, value)
    73  				if err != nil {
    74  					return err
    75  				}
    76  
    77  				resources = append(resources, g.createResource(logsCustomPipeline.GetId()))
    78  			}
    79  		}
    80  	}
    81  
    82  	if len(resources) > 0 {
    83  		g.Resources = resources
    84  		return nil
    85  	}
    86  
    87  	logsCustomPipelines, _, err := datadogClientV1.LogsPipelinesApi.ListLogsPipelines(authV1)
    88  	if err != nil {
    89  		return err
    90  	}
    91  	g.Resources = g.createResources(logsCustomPipelines)
    92  	return nil
    93  }
    94  
    95  func (g *LogsCustomPipelineGenerator) PostConvertHook() error {
    96  	for i, r := range g.Resources {
    97  		for k, v := range r.Item {
    98  			// Hack to properly escape `%{` used in pipeline processors
    99  			if k == "processor" {
   100  				var z interface{}
   101  				jsonByte, err := json.Marshal(v)
   102  				if err != nil {
   103  					continue
   104  				}
   105  				jsonByte = []byte(strings.ReplaceAll(string(jsonByte), "%{", "%%{"))
   106  				if err = json.Unmarshal(jsonByte, &z); err != nil {
   107  					continue
   108  				}
   109  				g.Resources[i].Item[k] = z
   110  			}
   111  		}
   112  	}
   113  	return nil
   114  }