description: Pipeline for parsing azure platform logs.
processors:
- set:
    field: event.ingested
    value: '{{_ingest.timestamp}}'
- rename:
    field: azure
    target_field: azure-eventhub
    ignore_missing: true
- script:
    source: ctx.message = ctx.message.replace(params.empty_field_name, '')
    params:
      empty_field_name: '"":"",'
    ignore_failure: true
- json:
    field: message
    target_field: azure.platformlogs
- rename:
    field: azure.platformlogs.identity
    target_field: azure.platformlogs.identity_name
    ignore_missing: true
    description: 'Rename the field to `identity_name` to avoid conflicts with the `identity` containing a JSON object.'
    if: "ctx.azure?.platformlogs?.identity instanceof String"
- date:
    field: azure.platformlogs.time
    target_field: '@timestamp'
    ignore_failure: true
    formats:
    - ISO8601
- date:
    field: azure.platformlogs.EventTimeString
    target_field: '@timestamp'
    ignore_failure: true
    formats:
      - ISO8601
      - "M/d/yyyy h:mm:ss a XXX"
- rename:
    field: message
    target_field: event.original
    if: 'ctx.event?.original == null'
- remove:
    field: message
    ignore_missing: true
- remove:
    field: azure.platformlogs.time
    ignore_missing: true
- rename:
    field: azure.platformlogs.resourceId
    target_field: azure.resource_id
    ignore_missing: true
- rename:
    field: azure.platformlogs.Region
    target_field: cloud.region
    ignore_missing: true
- json:
    field: azure.platformlogs.EventProperties
    target_field: azure.platformlogs.properties
    ignore_failure: true
- remove:
    if: ctx.azure.platformlogs.properties != null
    field:
      - azure.platformlogs.EventProperties
    ignore_missing: true
- json:
    field: azure.platformlogs.properties.log
    target_field: azure.platformlogs.properties.log
    ignore_failure: true
- rename:
    field: azure.platformlogs.properties.log
    if: "ctx.azure?.platformlogs?.properties?.log != null && ctx.azure?.platformlogs?.properties?.log instanceof String"
    target_field: message
    ignore_missing: true
- rename:
    field: azure.platformlogs.EventName
    target_field: event.action
    ignore_missing: true
- grok:
    field: azure.platformlogs.callerIpAddress
    patterns:
      - \[%{IPORHOST:source.ip}\]:%{INT:source.port:int}
      - "%{IPORHOST:source.ip}:%{INT:source.port:int}"
      - "%{IPORHOST:source.ip}"
    ignore_missing: true
    ignore_failure: true
- remove:
    field: azure.platformlogs.callerIpAddress
    if: 'ctx.source?.ip != null'
    ignore_missing: true
- set:
    field: client.ip
    value: '{{source.ip}}'
    ignore_empty_value: true
- append:
    field: related.ip
    value: '{{source.ip}}'
    allow_duplicates: false
    if: 'ctx.source?.ip != null'
- rename:
    field: azure.platformlogs.level
    target_field: log.level
    ignore_missing: true
- rename:
    field: azure.platformlogs.durationMs
    target_field: event.duration
    ignore_missing: true
- script:
    lang: painless
    source: if (ctx.event.duration!= null) {ctx.event.duration = ctx.event.duration
      * params.param_nano;}
    params:
      param_nano: 1000000
    ignore_failure: true
- rename:
    field: azure.platformlogs.location
    target_field: geo.name
    ignore_missing: true
- script:
    lang: painless
    source: >-
      if (ctx?.azure?.platformlogs?.properties?.eventCategory != null) {
        ctx.azure.platformlogs.event_category = ctx.azure.platformlogs.properties.eventCategory;
      }
      else if (ctx?.azure?.platformlogs?.properties?.policies != null)  {
        ctx.azure.platformlogs.event_category = 'Policy';
      }
      else {
        ctx.azure.platformlogs.event_category = 'Administrative';
      }
    ignore_failure: true
- rename:
    field: azure.platformlogs.resultType
    target_field: azure.platformlogs.result_type
    ignore_missing: true
- convert:
    field: azure.platformlogs.result_type
    target_field: event.outcome
    type: string
    if: "ctx?.azure?.platformlogs?.result_type != null && ctx.azure.platformlogs.result_type instanceof String && (ctx.azure.platformlogs.result_type.toLowerCase() == 'success' || ctx.azure.platformlogs.result_type.toLowerCase() == 'failure')"
- convert:
    field: azure.platformlogs.properties.result
    target_field: event.outcome
    type: string
    if: "ctx?.event?.outcome == null && ctx?.azure?.platformlogs?.properties?.result != null && ctx?.azure?.platformlogs?.properties?.result instanceof String && ['success', 'failure', 'unknown'].contains(ctx.azure?.platformlogs?.properties?.result)"
- convert:
    field: azure.platformlogs.Status
    target_field: event.outcome
    type: string
    if: "ctx?.event?.outcome == null && ctx?.azure?.platformlogs?.Status != null && ctx?.azure?.platformlogs?.Status instanceof String && ['success', 'failure', 'unknown', 'Succeeded', 'Failed'].contains(ctx.azure?.platformlogs?.Status)"
- rename:
    field: azure.platformlogs.operationName
    target_field: azure.platformlogs.operation_name
    ignore_missing: true
- convert:
    field: azure.platformlogs.operation_name
    target_field: event.action
    type: string
    ignore_missing: true
- rename:
    field: azure.platformlogs.resultSignature
    target_field: azure.platformlogs.result_signature
    ignore_missing: true
- rename:
    field: azure.platformlogs.correlationId
    target_field: azure.correlation_id
    ignore_missing: true
- rename:
    field: azure.platformlogs.properties.statusCode
    target_field: azure.platformlogs.properties.status_code
    ignore_missing: true
- rename:
    field: azure.platformlogs.Status
    target_field: azure.platformlogs.status
    ignore_missing: true
- geoip:
    field: source.ip
    target_field: geo
    ignore_missing: true
- script:
    lang: painless
    ignore_failure: true
    params:
      "write":
        type:
          - change
      "read":
        type:
          - access
      "delete":
        type:
          - deletion
      "action":
        type:
          - change
    source: >-
      if (ctx?.azure?.platformlogs?.category == null) {
        return;
      }
      def hm = new HashMap(params.get(ctx.azure.platformlogs.category.toLowerCase()));
      hm.forEach((k, v) -> ctx.event[k] = v);
- geoip:
    database_file: GeoLite2-ASN.mmdb
    field: source.ip
    target_field: source.as
    properties:
    - asn
    - organization_name
    ignore_missing: true
- rename:
    field: source.as.asn
    target_field: source.as.number
    ignore_missing: true
- rename:
    field: source.as.organization_name
    target_field: source.as.organization.name
    ignore_missing: true
- set:
    field: event.kind
    value: event
- pipeline:
    name: '{< IngestPipeline "azure-shared-pipeline" >}'
on_failure:
- set:
    field: error.message
    value: '{{ _ingest.on_failure_message }}'
