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Kraken Client Tool


kkci is a tool that interacts with Kraken Server. It provides:

  • custom tools commands like list tools, register new tool or upload a tool code
  • auxiliary commands - like get kkci or server versions


kkci is hosted on and can be installed by pip tool.

The command for kkci installation looks as follows:

$ pip install krakenci-client==0.980
Collecting krakenci-client==0.980
Using cached krakenci-client-0.980.tar.gz (4.6 kB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing metadata (pyproject.toml) ... done
Collecting requests<3.0.0,>=2.26.0
Using cached requests-2.28.1-py3-none-any.whl (62 kB)
Collecting click<8.0.0,>=7.1.2
Using cached click-7.1.2-py2.py3-none-any.whl (82 kB)
Collecting tabulate<0.9.0,>=0.8.9
Downloading tabulate-0.8.10-py3-none-any.whl (29 kB)
Collecting urllib3<1.27,>=1.21.1
Using cached urllib3-1.26.10-py2.py3-none-any.whl (139 kB)
Collecting certifi>=2017.4.17
Using cached certifi-2022.6.15-py3-none-any.whl (160 kB)
Collecting idna<4,>=2.5
Using cached idna-3.3-py3-none-any.whl (61 kB)
Collecting charset-normalizer<3,>=2
Using cached charset_normalizer-2.1.0-py3-none-any.whl (39 kB)
Building wheels for collected packages: krakenci-client
Building wheel for krakenci-client (pyproject.toml) ... done
Created wheel for krakenci-client: filename=krakenci_client-0.980-py3-none-any.whl size=4776 sha256=14c3ffa7b3676949839ddde24b82c6ffaa464dd55d17b69bbb55dffd48976162
Stored in directory: /home/godfryd/.cache/pip/wheels/78/10/bb/e935de7562c5b54ca6248247129a728662cab84f0a91ee6192
Successfully built krakenci-client
Installing collected packages: urllib3, tabulate, idna, click, charset-normalizer, certifi, requests, krakenci-client
Successfully installed certifi-2022.6.15 charset-normalizer-2.1.0 click-7.1.2 idna-3.3 krakenci-client-0.980 requests-2.28.1 tabulate-0.8.10 urllib3-1.26.10

It is good to always indicate what kkci version should be installed. In the example above, there is 0.980 version installed. The kkci version needs to match the version of Kraken Server otherwise it will not work.

The list of kkci versions can be checked on PyPI profile page: The version of Kraken Server is presented on its web pages in the top left corner.

Tools Commands

tools list

List Kraken Tools the last versions.

$ kkci -s http://admin:admin@localhost:8080 tools list
Id Name Location Entry Last Version
---- -------------- ----------------------- ------- ------------
5 artifacts 1
9 cache 1
7 cloc 1
1 git 1
10 gotest 1
11 junit_collect 1
16 local 1
17 local_tool 1
8 nglint 1
131 pkg_install minio:tool-131/ main 48d4c5e
6 pylint 1
3 pytest 1
4 rndtest 1
2 shell 1
12 values_collect 1

tools list-versions

List all versions of the given Kraken Tool.

$ kkci -s http://admin:admin@localhost:8080 tools list-versions pkg_install
Id Name Location Entry Version
---- ----------- ----------------------------------- ------- ---------
131 pkg_install minio:tool-131/ main 48d4c5e
130 pkg_install /home/godfryd/repos/kraken/pkg-tool main dev4
98 pkg_install /home/godfryd/repos/kraken/pkg-tool main dev3
97 pkg_install /home/godfryd/repos/kraken/pkg-tool main dev2
96 pkg_install /home/godfryd/repos/kraken/pkg-tool main dev1
95 pkg_install /home/godfryd/repos/kraken/pkg-tool main 14119
94 pkg_install /home/godfryd/repos/kraken/pkg-tool main dev

tools register

Register a new or overwrite the existing tool described in indicated TOOL_FILE.

$ kkci -s http://admin:admin@localhost:8080 tools register tool.json
Stored tool pkg_install@dev5

tools register-remote

Register a tool located in a remote repository indicated by URL.

$ kkci -s http://admin:admin@localhost:8080 tools register-remote \
-f pkg_install/tool.json
Stored tool pkg_install@48d4c5e

tools generate-step-file

Generate a step file for a tool by indicating its TOOL-FILE. This step file will allow running the tool on a local machine.

$ kkci tools generate-step-file tool.json
Please, enter values for pkg_install tool parameters
pkgs (string): asd
provider (string, one of ['apt', 'yum', 'dnf', 'apk']): apt
aaa (integer): 1
git_cfg parameter is complex one, enter its value manually in the step file
background (boolean, default False):
source parameter is complex one, enter its value manually in the step file
keys parameter is complex one, enter its value manually in the step file
Step file stored to step.json

tools run

Run a tool on a local machine by indicating its TOOL-FILE with step file provide with -f option.

$ kkci tools run tool.json -f step.json
execute 'python3 -m pip install -r requirements.txt --target=./vendor' in '/home/godfryd/repos/kraken-tools/pkg_install'
Collecting distro
Using cached distro-1.7.0-py3-none-any.whl (20 kB)
Installing collected packages: distro
Successfully installed distro-1.7.0
WARNING: You are using pip version 22.0.4; however, version 22.1.2 is available.
You should consider upgrading via the '/home/godfryd/.cache/pypoetry/virtualenvs/krakenci-client-gzjv3aIZ-py3.10/bin/python3 -m pip install --upgrade pip' command.
execute 'PYTHONPATH=/home/godfryd/repos/kraken-tools/pkg_install:/home/godfryd/repos/kraken-tools/pkg_install/vendor /home/godfryd/.cache/pypoetry/virtualenvs/krakenci-client-gzjv3aIZ-py3.10/bin/python -m kraken.agent.tool -m main -s /home/godfryd/repos/kraken-tools/pkg_install/step.json check-integrity' in 'None'
execute 'PYTHONPATH=/home/godfryd/repos/kraken-tools/pkg_install:/home/godfryd/repos/kraken-tools/pkg_install/vendor /home/godfryd/.cache/pypoetry/virtualenvs/krakenci-client-gzjv3aIZ-py3.10/bin/python -m kraken.agent.tool -m main -s /home/godfryd/repos/kraken-tools/pkg_install/step.json get_commands' in 'None'
execute 'PYTHONPATH=/home/godfryd/repos/kraken-tools/pkg_install:/home/godfryd/repos/kraken-tools/pkg_install/vendor /home/godfryd/.cache/pypoetry/virtualenvs/krakenci-client-gzjv3aIZ-py3.10/bin/python -m kraken.agent.tool -m main -s /home/godfryd/repos/kraken-tools/pkg_install/step.json run' in 'None'
2022-07-07 06:35:32,144 run step tool pkg_install, cmd run
2022-07-07 06:35:32,272 exec: 'sudo dnf -y install mc' in '/home/godfryd/repos/kraken/client'
2022-07-07 06:35:32,304 output: sudo: dnf: command not found
2022-07-07 06:35:32,304 step tool pkg_install, cmd run done with retcode 1 in 0secs
2022-07-07 06:35:32,305 tool response: {"status": "error", "reason": "retcode", "retcode": 1, "msg": "cmd exited with non-zero retcode: 1"}

tools upload

Upload tool's code from DIRECTORY to Kraken Server.

$ kkci -s http://admin:admin@localhost:8080 tools upload ./pkg-tool/tool.json
execute 'python3 -m pip install -r requirements.txt --target=./vendor' in '/home/godfryd/repos/kraken/pkg-tool'
Collecting pycvs
Using cached pycvs-0.0.3-py3-none-any.whl (8.8 kB)
Collecting colorama
Using cached colorama-0.4.5-py2.py3-none-any.whl (16 kB)
Collecting pexpect
Using cached pexpect-4.8.0-py2.py3-none-any.whl (59 kB)
Collecting ptyprocess>=0.5
Using cached ptyprocess-0.7.0-py2.py3-none-any.whl (13 kB)
Installing collected packages: ptyprocess, pexpect, colorama, pycvs
Successfully installed colorama-0.4.5 pexpect-4.8.0 ptyprocess-0.7.0 pycvs-0.0.3
WARNING: You are using pip version 22.0.4; however, version 22.1.2 is available.
You should consider upgrading via the '/home/godfryd/.cache/pypoetry/virtualenvs/krakenci-client-gzjv3aIZ-py3.10/bin/python3 -m pip install --upgrade pip' command.
Uploaded tool pkg_install@dev6

Auxiliary Commands


Print a version of kkci.

$ kkci version


Print a version of Kraken Server indicated in -s option.

$ kkci -s http://admin:admin@localhost:8080 server-version


Dump workflow schema in JSON format from indicated Kraken Server in -s option to indicated file.

$ kkci -s http://admin:admin@localhost:8080 dump-workflow-schema schema.json