apiVersion: helm.cattle.io/v1
kind: HelmChart
metadata:
  name: crowdsec
  namespace: infra-monitor
spec:
  repo: https://crowdsecurity.github.io/helm-charts
  chart: crowdsec
  targetNamespace: infra-monitor
  version: 0.13.0
  valuesContent: |-
    container_runtime: containerd
    image:
      tag: v1.6.3
    agent:
      # 由于dataScope为loki，所以此处强制要求部署在loki所在的节点 以节省网络资源
      nodeSelector:
        kubernetes.io/hostname: alihka 
      # 此处无实际作用 只是为了过helmChart的校验
      acquisition:
        - namespace: infra-net
          podName: ingress-nginx-controller-*
          program: nginx
          poll_without_inotify: true
      additionalAcquisition:
        - source: loki
          log_level: info
          url: http://loki.infra-monitor:3100/
          limit: 1000
          query: |
            {job="infra-net/ingress-nginx"}
          labels:
            type: nginx         
      env:
        - name: COLLECTIONS
          value: "crowdsecurity/base-http-scenarios crowdsecurity/http-dos"
        - name: SCENARIOS
          value: "crowdsecurity/nginx-req-limit-exceeded"
      persistentVolume:
        config:
          enabled: false
    lapi:
      affinity:
        nodeAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
            - preference:
                matchExpressions:
                  - key: topology.kubernetes.io/region
                    operator: In
                    values:
                      - cn-hk
              weight: 1
      resources:
        limits:
          memory: 200Mi
        requests:
          cpu: 150m
          memory: 100Mi
      persistentVolume:
        config:
          enabled: false
        data:
          enabled: false
    config:
      # api config.yaml配置
      config.yaml.local: |
        db_config:
          type: postgresql
          host: cnpg-cluster-hk-rw.infra-data
          port: 5432
          db_name: crowdsec
          user: app
          password: nyrHzh9WWlDZzvVw7bDFo74gKb9zsls0Sy7OwRTDWiRTNPQQQkW85taUFAoX2AIC
          sslmode: require
      # api profiles.yaml配置
      profiles.yaml: |
        name: captcha_remediation
        filters:
          - Alert.Remediation == true && Alert.GetScope() == "Ip" && Alert.GetScenario() contains "http" && GetDecisionsSinceCount(Alert.GetValue(), "24h") <= 3
        decisions:
          - type: captcha
            duration: 4h
        on_success: break
        ---
        name: default_ip_remediation
        filters:
          - Alert.Remediation == true && Alert.GetScope() == "Ip"
        decisions:
          - type: ban
            duration: 4h
        on_success: break
        ---
        name: default_range_remediation
        filters:
          - Alert.Remediation == true && Alert.GetScope() == "Range"
        decisions:
          - type: ban
            duration: 4h
        on_success: break
      # agent parsers 配置
      parsers:
        s01-parse:
          # 新增nginx json日志解析
          nginx-logs.yaml: |
            filter: "evt.Parsed.program startsWith 'nginx'"
            onsuccess: next_stage
            name: crowdsecurity/nginx-logs
            description: "Parse nginx access and error logs"
            pattern_syntax:
              NGCUSTOMURIPATH: "(?:/[A-Za-z0-9$.+!*'\\(\\)\\{\\},~:;=@\\#%&_\\-]*)+"
              NGCUSTOMURIPATHPARAM: '%{NGCUSTOMURIPATH}(?:%{URIPARAM})?'
            nodes:
              # nginx access logs
              - filter: TrimSpace(evt.Parsed.message) startsWith "{" && UnmarshalJSON(evt.Parsed.message, evt.Unmarshaled, "nginx") in ["", nil]
                statics:
                  - meta: service
                    value: http
                  - meta: log_type
                    value: http_access-log
                  - target: evt.StrTime
                    expression: evt.Unmarshaled.nginx.time_local
                  - meta: source_ip
                    expression: evt.Unmarshaled.nginx.remote_addr
                  - meta: http_status
                    expression: evt.Unmarshaled.nginx.status
                  - meta: http_path
                    expression: evt.Unmarshaled.nginx.request_uri
                  - meta: http_verb
                    expression: evt.Unmarshaled.nginx.request_method
                  - meta: http_user_agent
                    expression: evt.Unmarshaled.nginx.http_user_agent
                  - meta: target_fqdn
                    expression: evt.Unmarshaled.nginx.server_name
              # nginx error logs
              - grok:
                  pattern: '(%{IPORHOST:target_fqdn} )?%{NGINXERRTIME:time} \[%{LOGLEVEL:loglevel}\] %{NONNEGINT:pid}#%{NONNEGINT:tid}: (\*%{NONNEGINT:cid} )?%{GREEDYDATA:message}, client: %{IPORHOST:remote_addr}, server: %{DATA:target_fqdn}, request: "%{WORD:verb} ([^/]+)?%{NGCUSTOMURIPATHPARAM:request}( HTTP/%{NUMBER:http_version})?", host: "%{IPORHOST}(:%{NONNEGINT})?"'
                  apply_on: message
                  statics:
                    - meta: service
                      value: http
                    - meta: log_type
                      value: http_error-log
                    - target: evt.StrTime
                      expression: evt.Parsed.time
                    - meta: source_ip
                      expression: evt.Parsed.remote_addr
                    - meta: http_status
                      expression: evt.Parsed.status
                    - meta: http_path
                      expression: evt.Parsed.request
                    - meta: http_verb
                      expression: evt.Parsed.verb
                    - meta: http_user_agent
                      expression: evt.Parsed.http_user_agent
                    - meta: target_fqdn
                      expression: evt.Parsed.target_fqdn
                pattern_syntax:
                  NO_DOUBLE_QUOTE: '[^"]+'
                onsuccess: next_stage
                nodes:
                  - filter: "evt.Parsed.message contains 'was not found in'"
                    pattern_syntax:
                      USER_NOT_FOUND: 'user "%{NO_DOUBLE_QUOTE:username}" was not found in "%{NO_DOUBLE_QUOTE}"'
                    grok:
                      pattern: '%{USER_NOT_FOUND}'
                      apply_on: message
                    statics:
                      - meta: sub_type
                        value: "auth_fail"
                      - meta: username
                        expression: evt.Parsed.username
                  - filter: "evt.Parsed.message contains 'password mismatch'"
                    pattern_syntax:
                      PASSWORD_MISMATCH: 'user "%{NO_DOUBLE_QUOTE:username}": password mismatch'
                    grok:
                      pattern: '%{PASSWORD_MISMATCH}'
                      apply_on: message
                    statics:
                      - meta: sub_type
                        value: "auth_fail"
                      - meta: username
                        expression: evt.Parsed.username
                  - filter: "evt.Parsed.message contains 'limiting requests, excess'"
                    statics:
                      - meta: sub_type
                        value: "req_limit_exceeded"