apiVersion: apps/v1
kind: Deployment
metadata:
  name: logstash
  namespace: elasticsearch
  labels:
    app.kubernetes.io/name: logstash
    app.kubernetes.io/component: logging
    app.kubernetes.io/part-of: telecom-platform
spec:
  replicas: 2
  selector:
    matchLabels:
      app.kubernetes.io/name: logstash
      app.kubernetes.io/component: logging
      app.kubernetes.io/part-of: telecom-platform
  template:
    metadata:
      labels:
        app.kubernetes.io/name: logstash
        app.kubernetes.io/component: logging
        app.kubernetes.io/part-of: telecom-platform
    spec:
      containers:
      - name: logstash
        image: docker.elastic.co/logstash/logstash:8.10.0
        ports:
        - containerPort: 5044
          name: beats
        - containerPort: 9600
          name: http
        env:
        - name: LS_JAVA_OPTS
          value: "-Xmx512m -Xms512m"
        - name: ELASTICSEARCH_HOSTS
          value: "http://elasticsearch-master:9200"
        - name: LOG_LEVEL
          value: "info"
        resources:
          requests:
            cpu: 200m
            memory: 512Mi
          limits:
            cpu: 1000m
            memory: 1Gi
        volumeMounts:
        - name: config
          mountPath: /usr/share/logstash/pipeline
        - name: settings
          mountPath: /usr/share/logstash/config
        livenessProbe:
          httpGet:
            path: /
            port: http
          initialDelaySeconds: 60
          periodSeconds: 10
        readinessProbe:
          httpGet:
            path: /
            port: http
          initialDelaySeconds: 30
          periodSeconds: 5
      volumes:
      - name: config
        configMap:
          name: logstash-config
      - name: settings
        configMap:
          name: logstash-settings
---
apiVersion: v1
kind: Service
metadata:
  name: logstash
  namespace: elasticsearch
  labels:
    app.kubernetes.io/name: logstash
    app.kubernetes.io/component: logging
    app.kubernetes.io/part-of: telecom-platform
spec:
  ports:
  - port: 5044
    name: beats
    targetPort: 5044
  - port: 9600
    name: http
    targetPort: 9600
  selector:
    app.kubernetes.io/name: logstash
    app.kubernetes.io/component: logging
    app.kubernetes.io/part-of: telecom-platform
  type: ClusterIP
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: logstash-config
  namespace: elasticsearch
  labels:
    app.kubernetes.io/name: logstash
    app.kubernetes.io/component: logging
    app.kubernetes.io/part-of: telecom-platform
data:
  logstash.conf: |
    input {
      beats {
        port => 5044
      }
      http {
        port => 8080
        codec => json
      }
    }
    
    filter {
      # Parse JSON logs
      if [message] {
        json {
          source => "message"
        }
      }
      
      # Add environment tag
      mutate {
        add_field => { "environment" => "production" }
      }
      
      # Parse timestamp
      if [timestamp] {
        date {
          match => [ "timestamp", "ISO8601" ]
        }
      }
      
      # Add telecom platform specific fields
      if [service] {
        mutate {
          add_field => { "[@metadata][service]" => "%{service}" }
        }
      }
      
      # GDPR compliance - anonymize sensitive data
      if [phone] {
        mutate {
          replace => { "phone" => "XXX-XXX-XXXX" }
        }
      }
      
      if [email] {
        mutate {
          replace => { "email" => "XXXX@XXXX.com" }
        }
      }
    }
    
    output {
      elasticsearch {
        hosts => ["elasticsearch-master:9200"]
        index => "telecom-platform-logs-%{+YYYY.MM.dd}"
        template_name => "telecom-platform"
        template_pattern => "telecom-platform-*"
        template => {
          "index_patterns" => ["telecom-platform-*"],
          "settings" => {
            "number_of_shards" => 3,
            "number_of_replicas" => 1,
            "index.lifecycle.name" => "telecom-platform-policy",
            "index.lifecycle.rollover_alias" => "telecom-platform-logs"
          },
          "mappings" => {
            "properties" => {
              "@timestamp" => { "type" => "date" },
              "level" => { "type" => "keyword" },
              "service" => { "type" => "keyword" },
              "environment" => { "type" => "keyword" },
              "message" => { "type" => "text" },
              "user_id" => { "type" => "keyword" },
              "request_id" => { "type" => "keyword" },
              "duration_ms" => { "type" => "long" },
              "status_code" => { "type" => "integer" }
            }
          }
        }
      }
    }
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: logstash-settings
  namespace: elasticsearch
  labels:
    app.kubernetes.io/name: logstash
    app.kubernetes.io/component: logging
    app.kubernetes.io/part-of: telecom-platform
data:
  logstash.yml: |
    http.host: "0.0.0.0"
    xpack.monitoring.elasticsearch.hosts: [ "http://elasticsearch-master:9200" ]
    xpack.monitoring.enabled: true
    path.config: /usr/share/logstash/pipeline
    pipeline.workers: 2
    pipeline.batch.size: 125
    pipeline.batch.delay: 50