配置Kapacitor

kapacitord config

[auth]
  # Enable authentication for Kapacitor
  enabled = false
  
  # User permissions cache expiration time.
  cache-expiration = "10m"
  
  # Cost to compute bcrypt password hashes.
  # bcrypt rounds = 2^cost
  bcrypt-cost = 10
  
  # Address of a meta server.
  # If empty then meta, is not used as a user backend.
  # host:port
  meta-addr = "172.17.0.2:8091"
  meta-use-tls = false

  # Username for basic user authorization when using meta API. meta-password should also be set.
  meta-username = "kapauser"

  # Password for basic user authorization when using meta API. meta-username must also be set.
  meta-password = "kapapass"

  # Shared secret for JWT bearer token authentication when using meta API. 
  # If this is set, then the `meta-username` and `meta-password` settings are ignored.
  # This should match the `[meta] internal-shared-secret` setting on the meta nodes.
  meta-internal-shared-secret = "MyVoiceIsMyPassport"

  # Absolute path to PEM encoded Certificate Authority (CA) file.
  # A CA can be provided without a key/certificate pair.
  meta-ca = "/etc/kapacitor/ca.pem"

  # Absolute paths to PEM encoded private key and server certificate files.
  meta-cert = "/etc/kapacitor/cert.pem"
  meta-key = "/etc/kapacitor/key.pem"
  meta-insecure-skip-verify = false

# ...
[http]
  # HTTP API Server for Kapacitor
  # This server is always on,
  # it serves both as a write endpoint
  # and as the API endpoint for all other
  # Kapacitor calls.
  bind-address = ":9092"
  # Require authentication when interacting with Kapacitor
  auth-enabled = false
  log-enabled = true
  write-tracing = false
  pprof-enabled = false
  https-enabled = false
  https-certificate = "/etc/ssl/influxdb-selfsigned.pem"
  shared-secret = ""
  # The shared secret must match on all data and kapacitor nodes.
  ### Use a separate private key location.
  # https-private-key = ""
# ...

# ...

[tls]
  ciphers = [
    "TLS_AES_128_GCM_SHA256",
    "TLS_AES_256_GCM_SHA384",
    "TLS_CHACHA20_POLY1305_SHA256"
    ]
  min-version = "tls1.3"
  max-version = "tls1.3"

# ...

# ...

[config-override]
  # Enable/Disable the service for overriding configuration via the HTTP API.
  enabled = true

#...

# ...

[logging]
  # Destination for logs
  # Can be a path to a file or 'STDOUT', 'STDERR'.
  file = "/var/log/kapacitor/kapacitor.log"
  # Logging level can be one of:
  # DEBUG, INFO, WARN, ERROR, or OFF
  level = "INFO"

#...

# ...

[load]
  # Enable/Disable the service for loading tasks/templates/handlers
  # from a directory
  enabled = true
  # Directory where task/template/handler files are set
  dir = "/etc/kapacitor/load"

#...

# ...

[replay]
  # Where to store replay files.
  dir = "/var/lib/kapacitor/replay"

# ...

# ...

[storage]
  # Where to store the Kapacitor boltdb database
  boltdb = "/var/lib/kapacitor/kapacitor.db"

#...

# ...

[deadman]
  # Configure a deadman's switch
  # Globally configure deadman's switches on all tasks.
  # NOTE: for this to be of use you must also globally configure at least one alerting method.
  global = false
  # Threshold, if globally configured the alert will be triggered if the throughput in points/interval is <= threshold.
  threshold = 0.0
  # Interval, if globally configured the frequency at which to check the throughput.
  interval = "10s"
  # Id: the alert Id, NODE_NAME will be replaced with the name of the node being monitored.
  id = "node 'NODE_NAME' in task '{{ .TaskName }}'"
  # The message of the alert. INTERVAL will be replaced by the interval.
  message = "{{ .ID }} is {{ if eq .Level \"OK\" }}alive{{ else }}dead{{ end }}: {{ index .Fields \"collected\" | printf \"%0.3f\" }} points/INTERVAL."

#...

# ...

[[influxdb]]
  # Connect to InfluxDB
  # Kapacitor can subscribe, query, and write to this cluster.
  # Using InfluxDB is not required and can be disabled.
  # To connect to InfluxDB OSS 1.x or InfluxDB Enterprise, 
  # use the following configuration:
  
  enabled = true
  default = true
  name = "localhost"
  urls = ["http://localhost:8086"]
  username = ""
  password = ""
  timeout = 0

  # To connect to InfluxDB OSS 2.x or InfluxDB Cloud, 
  # use the following configuration:
  
  enabled = true
  default = true
  name = "localhost"
  urls = ["http://localhost:8086"]
  token = ""
  timeout = 0 
  
  # By default, all data sent to InfluxDB is compressed in gzip format.
  # To turn off gzip compression, add the following config setting:
  compression = "none"

  # Absolute path to pem encoded CA file.
  # A CA can be provided without a key/cert pair
  #   ssl-ca = "/etc/kapacitor/ca.pem"
  # Absolutes paths to pem encoded key and cert files.
  #   ssl-cert = "/etc/kapacitor/cert.pem"
  #   ssl-key = "/etc/kapacitor/key.pem"

  # Do not verify the TLS/SSL certificate.
  # This is insecure.
  insecure-skip-verify = false

  # Maximum time to try and connect to InfluxDB during startup
  startup-timeout = "5m"

  # Turn off all subscriptions
  disable-subscriptions = false

  # Subscription mode is either "cluster" or "server"
  subscription-mode = "server"

  # Which protocol to use for subscriptions
  # one of 'udp', 'http', or 'https'.
  subscription-protocol = "http"

  # Subscriptions resync time interval
  # Useful if you want to subscribe to new created databases
  # without restart Kapacitord
  subscriptions-sync-interval = "1m0s"

  # Override the global hostname option for this InfluxDB cluster.
  # Useful if the InfluxDB cluster is in a separate network and
  # needs special configuration to connect back to this Kapacitor instance.
  # Defaults to `hostname` if empty.
  kapacitor-hostname = ""

  # Override the global http port option for this InfluxDB cluster.
  # Useful if the InfluxDB cluster is in a separate network and
  # needs special configuration to connect back to this Kapacitor instance.
  # Defaults to the port from `[http] bind-address` if 0.
  http-port = 0

  # Host part of a bind address for UDP listeners.
  # For example if a UDP listener is using port 1234
  # and `udp-bind = "hostname_or_ip"`,
  # then the UDP port will be bound to `hostname_or_ip:1234`
  # The default empty value will bind to all addresses.
  udp-bind = ""
  # Subscriptions use the UDP network protocol.
  # The following options of for the created UDP listeners for each subscription.
  # Number of packets to buffer when reading packets off the socket.
  udp-buffer = 1000
  # The size in bytes of the OS read buffer for the UDP socket.
  # A value of 0 indicates use the OS default.
  udp-read-buffer = 0

  [influxdb.subscriptions]
    # Set of databases and retention policies to subscribe to.
    # If empty will subscribe to all, minus the list in
    # influxdb.excluded-subscriptions
    #
    # Format
    # db_name = <list of retention policies>
    #
    # Example:
    # my_database = [ "default", "longterm" ]
  [influxdb.excluded-subscriptions]
    # Set of databases and retention policies to exclude from the subscriptions.
    # If influxdb.subscriptions is empty it will subscribe to all
    # except databases listed here.
    #
    # Format
    # db_name = <list of retention policies>
    #
    # Example:
    # my_database = [ "default", "longterm" ]

# ...

# ...

[reporting]
  # Send usage statistics
  # every 12 hours to Enterprise.
  enabled = true
  url = "https://usage.influxdata.com"

#...

# ...

[stats]
  # Emit internal statistics about Kapacitor.
  # To consume these stats, create a stream task
  # that selects data from the configured database
  # and retention policy.
  #
  # Example:
  #  stream|from().database('_kapacitor').retentionPolicy('autogen')...
  #
  enabled = true
  stats-interval = "10s"
  database = "_kapacitor"
  retention-policy= "autogen"

# ...

# ...

[alert]
  # Persisting topics can become an I/O bottleneck under high load.
  # This setting disables them entirely.
  persist-topics = false
  # This setting sets the topic queue length.
  # Default is 5000. Minimum length is 1000.
  topic-buffer-length = 5000

# ...

# ...
[[swarm]]
  # Enable/Disable the Docker Swarm service.
  # Needed by the swarmAutoscale TICKscript node.
  enabled = false
  # Unique ID for this Swarm cluster
  # NOTE: This is not the ID generated by Swarm rather a user defined
  # ID for this cluster since Kapacitor can communicate with multiple clusters.
  id = ""
  # List of URLs for Docker Swarm servers.
  servers = ["http://localhost:2376"]
  # TLS/SSL Configuration for connecting to secured Docker daemons
  ssl-ca = ""
  ssl-cert = ""
  ssl-key = ""
  insecure-skip-verify = false
# ...

# ...
[kubernetes]
  # Enable/Disable the kubernetes service.
  # Needed by the k8sAutoscale TICKscript node.
  enabled = false
  # There are several ways to connect to the kubernetes API servers:
  #
  # Via the proxy, start the proxy via the `kubectl proxy` command:
  #   api-servers = ["http://localhost:8001"]
  #
  # From within the cluster itself, in which case
  # kubernetes secrets and DNS services are used
  # to determine the needed configuration.
  #   in-cluster = true
  #
  # Direct connection, in which case you need to know
  # the URL of the API servers,  the authentication token and
  # the path to the ca cert bundle.
  # These value can be found using the `kubectl config view` command.
  #   api-servers = ["http://192.168.99.100:8443"]
  #   token = "..."
  #   ca-path = "/path/to/kubernetes/ca.crt"
  #
  # Kubernetes can also serve as a discoverer for scrape targets.
  # In that case the type of resources to discoverer must be specified.
  # Valid values are: "node", "pod", "service", and "endpoint".
  #   resource = "pod"
# ...

[udf.functions.udf_name]

# ...
[udf]
# Configuration for UDFs (User Defined Functions)
  [udf.functions]
    # ...
    # Example Python UDF.
    # Use in TICKscript:
    #   stream.pyavg()
    #           .field('value')
    #           .size(10)
    #           .as('m_average')
    #
    [udf.functions.pyavg]
       prog = "/usr/bin/python2"
       args = ["-u", "./udf/agent/examples/moving_avg.py"]
       timeout = "10s"
       [udf.functions.pyavg.env]
           PYTHONPATH = "./udf/agent/py"
# ...

# ...
[collectd]
  enabled = false
  bind-address = ":25826"
  database = "collectd"
  retention-policy = ""
  batch-size = 1000
  batch-pending = 5
  batch-timeout = "10s"
  typesdb = "/usr/share/collectd/types.db"
# ...

# ...
[opentsdb]
  enabled = false
  bind-address = ":4242"
  database = "opentsdb"
  retention-policy = ""
  consistency-level = "one"
  tls-enabled = false
  certificate = "/etc/ssl/influxdb.pem"
  batch-size = 1000
  batch-pending = 5
  batch-timeout = "1s"
# ...

# ...
[[udp]]
  enabled = true
  bind-address = ":9100"
  database = "game"
  retention-policy = "autogen"
# ...

# ...
[[scraper]]
  enabled = false
  name = "myscraper"
  # Specify the id of a discoverer service specified below
  discoverer-id = "goethe-ec2"
  # Specify the type of discoverer service being used.
  discoverer-service = "ec2"
  db = "prometheus_raw"
  rp = "autogen"
  type = "prometheus"
  scheme = "http"
  metrics-path = "/metrics"
  scrape-interval = "1m0s"
  scrape-timeout = "10s"
  username = "schwartz.pudel"
  password = "f4usT!1808"
  bearer-token = ""
  ssl-ca = ""
  ssl-cert = ""
  ssl-key = ""
  ssl-server-name = ""
  insecure-skip-verify = false
# ...

# ...
[[ec2]]
  enabled = false
  id = "goethe-ec2"
  region = "us-east-1"
  access-key = "ABCD1234EFGH5678IJKL"
  secret-key = "1nP00dl3N01rM4Su1v1Ju5qU3ch3ZM01"
  profile = "mph"
  refresh-interval = "1m0s"
  port = 80
# ...

# ...
[fluxtask]
  # Configure flux tasks for kapacitor
  enabled = false
  # The InfluxDB instance name (from the [[influxdb]] config section)
  # to store historical task run data in 
  # Not recommended: use "none" to turn off historical task run data storage.
  task-run-influxdb = "localhost"
  # Bucket to store historical task run data in. We recommend leaving this empty; by default, data is written to the `kapacitor_fluxtask_logs` bucket or database.
  # If you have multiple Kapacitor instances and want to keep your data separate, specify the InfluxDB 2.x bucket or InfluxDB 1.x database to write to. For InfluxDB 1.x, use the `"mydb"` convention--the `"mydb/rp"` convention with the retention policy is not supported.  
  task-run-bucket=" " 
  # The organization name or ID if storing historical task run data
  # in InfluxDB 2.x or InfluxDB Cloud
  task-run-org = ""
  task-run-orgid = ""
  # The measurement name for the historical task run data
  task-run-measurement = "runs" 

# ...

# Set the skip-config-overrides configuration property
KAPACITOR_SKIP_CONFIG_OVERRIDES=false

# Set the value of the first URLs in the first InfluxDB configuration group
# [infludxb][0].[urls][0]
KAPACITOR_INFLUXDB_0_URLS_0=(http://localhost:8086)

# Set the value of the [storage].boltdb configuration property
KAPACITOR_STORAGE_BOLTDB=/var/lib/kapacitor/kapacitor.db

# Set the value of the authorization header in the first httpost configuration group
# [httppost][0].headers.{authorization:"some_value"}
KAPACITOR_HTTPPOST_0_HEADERS_Authorization=some_value

# Enable the Kubernetes service – [kubernetes].enabled
KAPACITOR_KUBERNETES_ENABLED=true

curl --request GET 'http://localhost:9092/kapacitor/v1/config'

curl --request GET 'http://localhost:9092/kapacitor/v1/config/influxdb'

curl --request POST 'http://localhost:9092/kapacitor/v1/config/smtp' \
  --data '{
    "set":{
        "enabled": true
    }
}'

curl --request POST 'http://localhost:9092/kapacitor/v1/config/smtp' \
  --data '{
    "delete":[
        "enabled"
    ]
}'