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CLI tool to pull statistics from Elasticsearch.

Project description

CLI tool to pull statistics from Elasticsearch.

Build status

Support Matrix

The following combinations are regularly tested.

watches Elasticsearch Python
1.0.3 2.4.4 2.7, 3.5
1.0.2 2.4.4 2.7, 3.5
1.0.1 2.4.4 2.7


The tool uses docopt to describe command line language and supports the following options:

  watches cluster_health     [-i=INTERVAL -d=DURATION --url=URL -bltsv -f=FILTER...] [(--cacert=CACERT --cert=CERT --key=KEY) | (--cacert=CACERT)] [(--username=USERNAME --password=PASSWORD)] [--header=HEADER...] [--transform=TYPE] [--local --index=INDEX --level=LEVEL]
  watches cluster_state      [-i=INTERVAL -d=DURATION --url=URL -bltsv -f=FILTER...] [(--cacert=CACERT --cert=CERT --key=KEY) | (--cacert=CACERT)] [(--username=USERNAME --password=PASSWORD)] [--header=HEADER...] [--transform=TYPE] [--local --index=INDEX --metric=METRIC]
  watches cluster_stats      [-i=INTERVAL -d=DURATION --url=URL -bltsv -f=FILTER...] [(--cacert=CACERT --cert=CERT --key=KEY) | (--cacert=CACERT)] [(--username=USERNAME --password=PASSWORD)] [--header=HEADER...] [--transform=TYPE]
  watches nodes_stats        [-i=INTERVAL -d=DURATION --url=URL -bltsv -f=FILTER...] [(--cacert=CACERT --cert=CERT --key=KEY) | (--cacert=CACERT)] [(--username=USERNAME --password=PASSWORD)] [--header=HEADER...] [--transform=TYPE] [--metric=METRIC]
  watches nodes_info         [-i=INTERVAL -d=DURATION --url=URL -bltsv -f=FILTER...] [(--cacert=CACERT --cert=CERT --key=KEY) | (--cacert=CACERT)] [(--username=USERNAME --password=PASSWORD)] [--header=HEADER...] [--transform=TYPE] [--node_id=NODE_ID --metric=METRIC]
  watches indices_stats      [-i=INTERVAL -d=DURATION --url=URL -bltsv -f=FILTER...] [(--cacert=CACERT --cert=CERT --key=KEY) | (--cacert=CACERT)] [(--username=USERNAME --password=PASSWORD)] [--header=HEADER...] [--transform=TYPE] [--level=LEVEL --index=INDEX]
  watches nodes_hotthreads   [-i=INTERVAL -d=DURATION --url=URL -bsv] [(--cacert=CACERT --cert=CERT --key=KEY) | (--cacert=CACERT)] [(--username=USERNAME --password=PASSWORD)] [--header=HEADER...] [--node_id=NODE_ID --threads=THREADS --delay=DELAY --type=TYPE]
  watches just_nodes_stats   [-i=INTERVAL -d=DURATION --url=URL -bltsv -f=FILTER...] [(--cacert=CACERT --cert=CERT --key=KEY) | (--cacert=CACERT)] [(--username=USERNAME --password=PASSWORD)] [--header=HEADER...] [--metric=METRIC]
  watches just_indices_stats [-i=INTERVAL -d=DURATION --url=URL -bltsv -f=FILTER...] [(--cacert=CACERT --cert=CERT --key=KEY) | (--cacert=CACERT)] [(--username=USERNAME --password=PASSWORD)] [--header=HEADER...] [--level=LEVEL --index=INDEX]
  watches -h
  watches --version

  -d=DURATION, --duration=DURATION   How long the watches should run in seconds. Use value '-1' to run forever. [default: 0].
  -i=INTERVAL, --interval=INTERVAL   Interval between data retrievals. Apply if 'duration' > 0. [default: 3].
  --url=URL           URL of ES node HTTP endpoint [default: http://localhost:9200].
  -b                  Disable python output buffering (not recommended for production use).
  -l                  Single line output (no pretty-print JSON formatting).
  -t, --timestamp     Add timestamp field to data. The value is local datetime converted to UTC in ISO 8601 format.
  -s, --sniff         Turn on sniffing.
  -v, --verbose       Print more debug info: input options, ... etc.
  -f=FILTER, --filter_path=FILTER   Filter returned JSON (see
  --username=USERNAME Username to authenticate with
  --password=PASSWORD Password to authenticate with
  --cacert=CACERT     Path to Certification Authority Certificate pem file
  --cert=CERT         Path to Client Certificate pem file
  --key=KEY           Path to Client Key pem file
  --level=LEVEL       Aggregation level of returned data, valid options: node/cluster, indices and shards [default: cluster].
  --local             Return the local node information instead of master node [default: false].
  --node_id=NODE_ID   A comma-separated list of node IDs or names to limit the returned information; use `_local` to return information from local node you're connecting to [default: ].
  --index=INDEX       A comma-separated list of index names; use `_all` or empty string to perform the operation on all indices.
  --metric=METRIC     A comma-separated list of metric names; use `_all` or empty string to perform the operation for all metrics.
  --threads=THREADS   Specify the number of threads to provide information for.
  --delay=DELAY       Delay (interval) to do the second sampling of threads.
  --type=TYPE         The type of threads to sample (default: cpu), valid choices are: 'cpu', 'wait', 'block'.
  --transform=TYPE    Transform JSON response (see online doc for more details). Valid choices: 'nested'.
  -h, --help          Show this screen.
  --version           Show version.
  --header=HEADER     Custom HTTP header to add to the request (e.g. --header="X-Proxy-Remote-User: username")

  # Get cluster health from specified HTTP endpoint with added "timestamp" field in the response
  $ watches cluster_health --timestamp --url=

  # Get cluster health every 1 second, run forever until process is terminated
  $ watches cluster_health --interval=1 --duration=-1

  # Get cluster health every 1 second during next 10 seconds and use sniffing
  $ watches cluster_health --interval=1 --duration=10 --sniff

  # Alternatively, using short option notation
  $ watches cluster_health -i 1 -d 10 -s

  # Get cluster health from secured node
  $ watches cluster_health \
      --url=https://localhots:9200 \
      --cacert /tmp/search-guard-ssl/example-pki-scripts/ca/chain-ca.pem \
      --cert /tmp/search-guard-ssl/example-pki-scripts/kirk.crt.pem \
      --key /tmp/search-guard-ssl/example-pki-scripts/kirk.key.pem

  # Filter cluster health for status fields
  $ watches cluster_health --level=shards -f status -f indices.*.status -f indices.*.shards.*.status

    Option --filter_path works under original context for commands 'just_nodes_stats' and 'just_indices_stats'.
    For example, if command 'just_indices_stats' is called the 'indices_stats' command is executed first, then
    --filter_path option is applied and only then the result data is transformed into 'just_indices_stats' output.

To connect to Elasticsearch cluster watches uses official elasticsearch-py client which can use Sniffing. It is recommended to use --sniff option (see above) to enable sniffing for long running tasks.


If you’ve cloned this project, and want to install the library (and all development dependencies), the command you’ll want to run is:

$ pip install -e .[test]


If you’d like to run all tests for this project, you would run the following command:

$ python test

This will trigger py.test, along with its popular coverage plugin.

Read to learn more details.


If you’d like to cut a new release of this CLI tool, and publish it to the Python Package Index (PyPI), you can do so by following the following tutorial or by running:

$ python sdist bdist_wheel
$ twine upload dist/*

This will build both a source tarball of your CLI tool, as well as a newer wheel build (and this will, by default, run on all platforms).

The twine upload command (which requires you to install the twine tool) will then securely upload your new package to PyPI so everyone in the world can use it!

Do not forget to update version by modifying and files (download URL and other if applicable).


Built on top of skele-cli skeleton, read skele-cli blog post to learn more.


Watches CLI is licensed under the Apache License, Version 2.0.

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