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Reporting plugin for chaostoolkit journal results

License: Apache License 2.0

Python 86.91% CSS 9.18% JavaScript 0.01% Dockerfile 2.37% Makefile 1.55%

chaostoolkit-plugin chaostoolkit

chaostoolkit-reporting's Introduction

Chaos Toolkit - Chaos Engineering for All Engineers

Community • Installation • Tutorials • Reference • ChangeLog

Chaos Toolkit - Chaos Engineering for All Engineers

The Chaos Toolkit, or as we love to call it “ctk”, is a simple CLI-driven tool who helps you write and run Chaos Engineering experiment. It supports any target platform you can think of through existing extensions or the ones you write as you need.

Chaos Toolkit is versatile and works really well in settings where other Chaos Engineering tools may not fit: cloud environments, datacenters, CI/CD, etc.

Install or Upgrade

Provided you have Python 3.8+ installed, you can install it as follows:

$ pip install -U chaostoolkit

Getting Started

Once you have installed the Chaos Toolkit you can use it through its simple command line tool.

Running an experiment is as simple as:

$ chaos run experiment.json

Get involved!

Chaos Toolkit's mission is to provide an open API to chaos engineering in all its forms. As such, we encourage and welcome you to join our open community Slack team to discuss and share your experiments and needs with the community. You can also use StackOverflow to ask any questions regarding using the Chaos Toolkit or Chaos Engineering.

If you'd prefer not to use Slack then we welcome the raising of GitHub issues on this repo for any questions, requests, or discussions around the Chaos Toolkit.

Finally you can always email [email protected] with any questions as well.

Contribute

Contributors to this project are welcome as this is an open-source effort that seeks discussions and continuous improvement.

From a code perspective, if you wish to contribute, you will need to run a Python 3.8+ environment. Please, fork this project, write unit tests to cover the proposed changes, implement the changes, ensure they meet the formatting standards set out by ruff, add an entry into CHANGELOG.md, and then raise a PR to the repository for review

The project is driven by PDM, so install it and you can run the following commands:

$ pdm install
$ pdm run test
$ pdm run format
$ pdm run lint

The Chaos Toolkit projects require all contributors must sign a Developer Certificate of Origin on each commit they would like to merge into the master branch of the repository. Please, make sure you can abide by the rules of the DCO before submitting a PR.

chaostoolkit-reporting's People

Contributors

Stargazers

Watchers

Forkers

paulwilljones joaoasrosa vijayto souvikdaskiit brunochauvet samuel1707 dfw1n dhapola santosh-coupa vgopinathan cdsre

chaostoolkit-reporting's Issues

Reporting crashes when trying to get the locale

After I install all the dependencies, and use a virtual environment, when trying to generate a report (chaos report) I have the following problem:

Warning: entry point could not be loaded. Contact its author for help.


Traceback (most recent call last):
  File "/Users/joaorosa/.venvs/chaostk/lib/python3.7/site-packages/click_plugins/core.py", line 37, in decorator
    group.add_command(entry_point.load())
  File "/Users/joaorosa/.venvs/chaostk/lib/python3.7/site-packages/pkg_resources/__init__.py", line 2411, in load
    return self.resolve()
  File "/Users/joaorosa/.venvs/chaostk/lib/python3.7/site-packages/pkg_resources/__init__.py", line 2417, in resolve
    module = __import__(self.module_name, fromlist=['__name__'], level=0)
  File "/Users/joaorosa/.venvs/chaostk/lib/python3.7/site-packages/chaosreport/__init__.py", line 16, in <module>
    import cairosvg
  File "/Users/joaorosa/.venvs/chaostk/lib/python3.7/site-packages/cairosvg/__init__.py", line 42, in <module>
    from . import surface  # noqa isort:skip
  File "/Users/joaorosa/.venvs/chaostk/lib/python3.7/site-packages/cairosvg/surface.py", line 28, in <module>
    from .defs import (
  File "/Users/joaorosa/.venvs/chaostk/lib/python3.7/site-packages/cairosvg/defs.py", line 24, in <module>
    from .bounding_box import calculate_bounding_box, is_non_empty_bounding_box
  File "/Users/joaorosa/.venvs/chaostk/lib/python3.7/site-packages/cairosvg/bounding_box.py", line 26, in <module>
    from .features import match_features
  File "/Users/joaorosa/.venvs/chaostk/lib/python3.7/site-packages/cairosvg/features.py", line 25, in <module>
    LOCALE = locale.getdefaultlocale()[0] or ''
  File "/usr/local/Cellar/python/3.7.4_1/Frameworks/Python.framework/Versions/3.7/lib/python3.7/locale.py", line 568, in getdefaultlocale
    return _parse_localename(localename)
  File "/usr/local/Cellar/python/3.7.4_1/Frameworks/Python.framework/Versions/3.7/lib/python3.7/locale.py", line 495, in _parse_localename
    raise ValueError('unknown locale: %s' % localename)
ValueError: unknown locale: UTF-8

What extra configuration is needed for the locale?

Can you document the list of package for installing it on RedHat 7?

Hello,

Tested on Red Hat 7.7. For PDF reports.

After some times searching and debugging, I found that when installing that list of software, the reporting in pdf is working:
texlive-base
texlive-latex-fonts
texlive-latex-bin
texlive-latex
texlive-collection-fontsrecommended
pandoc
texlive-ec
texlive-pdftex-bin
texlive-pdftex-def

Maybe it would be a good idea to document it in the installation guide.:
https://docs.chaostoolkit.org/reference/usage/install/

Provision to have custom report

In the report we should have some kind of metrics that indicates something like
the System (where we run experiment) is not scalable enough
or
Something like Current Architecture is not able to handle this situation and needs change.
or
Some other recommended Actions

Introduce clear references between method activities and their full output in the appendix

Probe status is in the method flow, output is added into the appendix but there's no obvious reference/navigation between the two. I found this confusing.

I can't use Chaostoolkit-Reporting because Snaptime is missing a License

Snaptime is missing License and I can't procure chaostoolkit-reporting within my company. Is it possible to replace this package?

Brew cask install method now invalid

brew cask install ... method is now invalid
New format is: brew install ...

https://github.com/chaostoolkit/chaostoolkit-reporting/blob/master/osx-install.md

Crash when trying to generate a report

Issue
When I try to run chaos report I got the following error:

Warning: entry point could not be loaded. Contact its author for help.


Traceback (most recent call last):
  File "/Users/joaorosa/.venvs/chaostk/lib/python3.7/site-packages/click_plugins/core.py", line 37, in decorator
    group.add_command(entry_point.load())
  File "/Users/joaorosa/.venvs/chaostk/lib/python3.7/site-packages/pkg_resources/__init__.py", line 2411, in load
    return self.resolve()
  File "/Users/joaorosa/.venvs/chaostk/lib/python3.7/site-packages/pkg_resources/__init__.py", line 2417, in resolve
    module = __import__(self.module_name, fromlist=['__name__'], level=0)
  File "/Users/joaorosa/.venvs/chaostk/lib/python3.7/site-packages/chaosreport/__init__.py", line 16, in <module>
    import cairosvg
  File "/Users/joaorosa/.venvs/chaostk/lib/python3.7/site-packages/cairosvg/__init__.py", line 42, in <module>
    from . import surface  # noqa isort:skip
  File "/Users/joaorosa/.venvs/chaostk/lib/python3.7/site-packages/cairosvg/surface.py", line 25, in <module>
    import cairocffi as cairo
  File "/Users/joaorosa/.venvs/chaostk/lib/python3.7/site-packages/cairocffi/__init__.py", line 50, in <module>
    ('libcairo.so', 'libcairo.2.dylib', 'libcairo-2.dll'))
  File "/Users/joaorosa/.venvs/chaostk/lib/python3.7/site-packages/cairocffi/__init__.py", line 45, in dlopen
    raise OSError(error_message)  # pragma: no cover
OSError: no library called "cairo" was found
no library called "libcairo-2" was found
cannot load library 'libcairo.so': dlopen(libcairo.so, 2): image not found
cannot load library 'libcairo.2.dylib': dlopen(libcairo.2.dylib, 2): image not found
cannot load library 'libcairo-2.dll': dlopen(libcairo-2.dll, 2): image not found

Environment

Chaostoolkit
- Version: 1.3.0
OS: macOs Catalina

chaos-report.json was renamed

As per version 0.5.2...0.6.0 of the chaostoolkit-reporting repo, chaos-report.json was renamed to journal.json (as shown at: #9 but wasn't updated within the README.md where the commands stated:

$ chaos report --export-format=html5 chaos-report.json report.html
$ chaos report --export-format=pdf chaos-report.json report.pdf

https://github.com/chaostoolkit/chaostoolkit-reporting/blob/master/README.md

chaos report crashes when using a ref in method

$ docker run     --user $(id -u)     -v $(pwd):/tmp/result     -it     chaostoolkit/reporting report journal.json  out.txt
Traceback (most recent call last):
  File "/usr/local/bin/chaos", line 11, in <module>
    sys.exit(cli())
  File "/usr/local/lib/python3.6/site-packages/click/core.py", line 764, in __call__
    return self.main(*args, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/click/core.py", line 717, in main
    rv = self.invoke(ctx)
  File "/usr/local/lib/python3.6/site-packages/click/core.py", line 1137, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/local/lib/python3.6/site-packages/click/core.py", line 956, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/usr/local/lib/python3.6/site-packages/click/core.py", line 555, in invoke
    return callback(*args, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/chaosreport/cli.py", line 31, in report
    reports.append(generate_report(journal, export_format))
  File "/usr/local/lib/python3.6/site-packages/chaosreport/__init__.py", line 227, in generate_report
    filter(lambda a: a["type"] == "probe", experiment["method"])))
  File "/usr/local/lib/python3.6/site-packages/chaosreport/__init__.py", line 227, in <lambda>
    filter(lambda a: a["type"] == "probe", experiment["method"])))
KeyError: 'type'

Looking at experiment["method"] in my journal.json I notice that there is one element having no type:

<snip>
    "method": [
      {
        "ref": "get consul proxy state"
      },
<snip>

Removing the ref probe fixes the crash.

Package is missing template

The current released package is missing the markdown template.

Crash while generating PDF report

I see a crash while generating a report.

docker container run --volume $PWD:/tmp/result -it chaostoolkit/reporting -- report --export-format=pdf terminate-pod.json report-2.pdf

Any workaround for this?

Traceback (most recent call last):
File "/usr/local/bin/chaos", line 8, in
sys.exit(cli())
File "/usr/local/lib/python3.10/dist-packages/click/core.py", line 1130, in call
return self.main(*args, **kwargs)
File "/usr/local/lib/python3.10/dist-packages/click/core.py", line 1055, in main
rv = self.invoke(ctx)
File "/usr/local/lib/python3.10/dist-packages/click/core.py", line 1657, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/usr/local/lib/python3.10/dist-packages/click/core.py", line 1404, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/usr/local/lib/python3.10/dist-packages/click/core.py", line 760, in invoke
return __callback(*args, **kwargs)
File "/usr/local/lib/python3.10/dist-packages/chaosreport/cli.py", line 37, in report
save_report(header, reports, report_path, export_format)
File "/usr/local/lib/python3.10/dist-packages/chaosreport/init.py", line 326, in save_report
pypandoc.convert_file(
File "/usr/local/lib/python3.10/dist-packages/pypandoc/init.py", line 168, in convert_file
return _convert_input(discovered_source_files, format, 'path', to, extra_args=extra_args,
File "/usr/local/lib/python3.10/dist-packages/pypandoc/init.py", line 426, in _convert_input
raise RuntimeError(
RuntimeError: Pandoc died with exitcode "43" during conversion: Error producing PDF.
! Undefined control sequence.
l.196 /supervisord.pid\n

Update to new name of the chaos run journal output file

A part of chaostoolkit/chaostoolkit#31, the output file is now renamed from chaos-report.json to journal.json.

Update this package to mirror this change.

Formatting Issues and Unclear Docker Commands

README.md file (https://github.com/chaostoolkit/chaostoolkit-reporting/blob/master/README.md) is not chronologically ordered.

Current Order:

Install chaostoolkit-reporting
Install docker
Use chaostoolkit-reporting
Use docker

Docker commands are also unclear as to what is a command and what is an output (https://github.com/chaostoolkit/chaostoolkit-reporting/blob/master/README.md#use-a-docker-container)

Switch away from pandoc to a Python native exporter?

We are currently generate a Markdown report that feed into pandoc to generate any formats that pandoc knows about.

The downside is the heavy system dependencies this drags, mostly for PDF generation.

I wonder if we couldn't switch away from pandoc to native PDF/HTML generators, I'm assuming these are the two popular output formats.

Ideas of libs for PDF:

Python is not installed as a framework

When Python is installed using brew on Mac, Matplotlib will complain about Python not being installed as a framework during the reporting installation.

(venv) ~/repos/chaostoolkit-documentation-code (master) $ chaos report --help
Usage: chaos report [OPTIONS]

  Warning: entry point could not be loaded. Contact its author for help.

  Traceback (most recent call last):
    File "/Users/pauljones/repos/chaostoolkit-documentation-code/venv/lib/python3.6/site-packages/click_plugins/core.py", line 37, in decorator
      group.add_command(entry_point.load())
    File "/Users/pauljones/repos/chaostoolkit-documentation-code/venv/lib/python3.6/site-packages/pkg_resources/__init__.py", line 2318, in load
      return self.resolve()
    File "/Users/pauljones/repos/chaostoolkit-documentation-code/venv/lib/python3.6/site-packages/pkg_resources/__init__.py", line 2324, in resolve
      module = __import__(self.module_name, fromlist=['__name__'], level=0)
    File "/Users/pauljones/repos/chaostoolkit-documentation-code/venv/lib/python3.6/site-packages/chaosreport/__init__.py", line 20, in <module>
      import matplotlib.pyplot as plt
    File "/Users/pauljones/repos/chaostoolkit-documentation-code/venv/lib/python3.6/site-packages/matplotlib/pyplot.py", line 115, in <module>
      _backend_mod, new_figure_manager, draw_if_interactive, _show = pylab_setup()
    File "/Users/pauljones/repos/chaostoolkit-documentation-code/venv/lib/python3.6/site-packages/matplotlib/backends/__init__.py", line 62, in pylab_setup
      [backend_name], 0)
    File "/Users/pauljones/repos/chaostoolkit-documentation-code/venv/lib/python3.6/site-packages/matplotlib/backends/backend_macosx.py", line 17, in <module>
      from matplotlib.backends import _macosx
  RuntimeError: Python is not installed as a framework. The Mac OS X backend will not be able to function correctly if Python is not installed as a framework. See the Python documentation for more information on installing Python as a framework on Mac OS X. Please either
reinstall Python as a framework, or try one of the other backends. If you are using (Ana)Conda please install python.app and replace the use of 'python' with 'pythonw'. See 'Working with Matplotlib on OSX' in the Matplotlib FAQ for more information.

Options:
  --help  Show this message and exit.

Create a docker image of the reporting plugin

Installing all the right dependencies for the reporting plugin can be cumbersome. Provide a docker image for this instead.

Upgrade reporting plugin to latest version of pandoc

When using the report command on mac os x, and having installed the following dependencies:

$ brew cask install mactex

$ brew install pandoc

$ brew install cairo

The report plugin fails with the following message:

outputfile=outputfile, filters=filters)
  File "/Users/russellmiles/.venvs/chaostk/lib/python3.6/site-packages/pypandoc/__init__.py", line 325, in _convert_input
    'Pandoc died with exitcode "%s" during conversion: %s' % (p.returncode, stderr)
RuntimeError: Pandoc died with exitcode "2" during conversion: b'--smart/-S has been removed.  Use +smart or -smart extension instead.\nFor example: pandoc -f markdown+smart -t markdown-smart.\nTry pandoc --help for more information.\n'

Using version of pandoc:

$ pandoc -v
pandoc 2.1.1

Repot generation crashes with message to reach out to author

When I generated the report I got the following error:

Warning: entry point could not be loaded. Contact its author for help.

Traceback (most recent call last):
File "/home/ubuntu/.venvs/chaostk/lib/python3.10/site-packages/click_plugins/core.py", line 37, in decorator
group.add_command(entry_point.load())
File "/usr/lib/python3.10/importlib/metadata/init.py", line 171, in load
module = import_module(match.group('module'))
File "/usr/lib/python3.10/importlib/init.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "", line 1050, in _gcd_import
File "", line 1027, in _find_and_load
File "", line 992, in _find_and_load_unlocked
File "", line 241, in _call_with_frames_removed
File "", line 1050, in _gcd_import
File "", line 1027, in _find_and_load
File "", line 1006, in _find_and_load_unlocked
File "", line 688, in _load_unlocked
File "", line 883, in exec_module
File "", line 241, in _call_with_frames_removed
File "/home/ubuntu/.venvs/chaostk/lib/python3.10/site-packages/chaosreport/init.py", line 15, in
import cairosvg
File "/home/ubuntu/.venvs/chaostk/lib/python3.10/site-packages/cairosvg/init.py", line 26, in
from . import surface # noqa isort:skip
File "/home/ubuntu/.venvs/chaostk/lib/python3.10/site-packages/cairosvg/surface.py", line 9, in
import cairocffi as cairo
File "/home/ubuntu/.venvs/chaostk/lib/python3.10/site-packages/cairocffi/init.py", line 47, in
cairo = dlopen(
File "/home/ubuntu/.venvs/chaostk/lib/python3.10/site-packages/cairocffi/init.py", line 44, in dlopen
raise OSError(error_message) # pragma: no cover
OSError: no library called "cairo-2" was found
no library called "cairo" was found
no library called "libcairo-2" was found
cannot load library 'libcairo.so.2': libcairo.so.2: cannot open shared object file: No such file or directory. Additionally, ctypes.util.find_library() did not manage to locate a library called 'libcairo.so.2'
cannot load library 'libcairo.2.dylib': libcairo.2.dylib: cannot open shared object file: No such file or directory. Additionally, ctypes.util.find_library() did not manage to locate a library called 'libcairo.2.dylib'
cannot load library 'libcairo-2.dll': libcairo-2.dll: cannot open shared object file: No such file or directory. Additionally, ctypes.util.find_library() did not manage to locate a library called 'libcairo-2.dll'

Reporting should not die on old experiment outputs

Since chaoslib 0.13.0, the reporting expects some new fields that didn't exist in the past. It should not die on that.

chaos report dependency error

Describe the bug
Error in chaostoolkit-reporting mac installation steps listed here; installation instructions for basictex incorrect

Runtime versions
Python 3.8.8
CLI 1.9.0
Core library 1.19.0

To Reproduce
$ brew cask install basictex

Expected behavior
Installation of basictex

utcfromtimestamp is deprecated in Python 3.12

chaostoolkit-reporting/chaosreport/__init__.py

Line 440 in 264f157

fromts = datetime.utcfromtimestamp

Multiple Probes are not displayed in html report

Problem : When run via docker , only 3/5 probes are displayed in HTML report.

Expected result :
All probes should be displayed in HTML report.

command used to run :

Getting error while generating report in RHEL8 linux instances

Hello team,
Earlier we used CENTOS7 and the reporting feature worked well but for RHEL8 instances we are getting error. All the dependencies were installed. Please help to resolve.

root@10-119-113-238:/apps/opt/addvol/dev/chaos # chaos report --export-format=html5 journal.json report.html
Traceback (most recent call last):
File "/usr/local/bin/chaos", line 8, in
sys.exit(cli())
File "/usr/local/lib/python3.9/site-packages/click/core.py", line 1130, in call
return self.main(*args, **kwargs)
File "/usr/local/lib/python3.9/site-packages/click/core.py", line 1055, in main
rv = self.invoke(ctx)
File "/usr/local/lib/python3.9/site-packages/click/core.py", line 1657, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/usr/local/lib/python3.9/site-packages/click/core.py", line 1404, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/usr/local/lib/python3.9/site-packages/click/core.py", line 760, in invoke
return __callback(*args, **kwargs)
File "/usr/local/lib/python3.9/site-packages/chaosreport/cli.py", line 36, in report
reports.append(generate_report(journal, export_format))
File "/usr/local/lib/python3.9/site-packages/chaosreport/init.py", line 270, in generate_report
template = get_report_template(journal["chaoslib-version"])
File "/usr/local/lib/python3.9/site-packages/chaosreport/init.py", line 368, in get_report_template
"<={v}".format(v=semver.format_version(**vinfo._asdict())),
AttributeError: 'Version' object has no attribute '_asdict'

Copy Commands include Dollar Sign

All files within: https://github.com/chaostoolkit/chaostoolkit-reporting include a copy function for CLI Commands where the "$" is copied as well like it was previously in https://github.com/chaostoolkit/chaostoolkit-documentation

Add instructions for installing dependencies for Mac OS X

Create aggregated reports

It would be useful to create aggregated reports, that is, reports generated using many journal files from different experiments.

I think that running many experiments is a common usage pattern and that chaos run and chaos report should be able to work with wildcards somehow.

Option 1:

chaos run --journal-path journal.json my/experiments/*.json
chaos report --export-format=pdf journal.json journal.pdf

Option 2:

chaos run --journal-path journal-1.json my-experiment-1.json
chaos run --journal-path journal-2.json my-experiment-2.json
chaos report --export-format=pdf journal*.json journal.pdf

Add a "report generated to" message when report generation has completed successfully

What about windows?

Can you confirm whether this works on Windows?

Issue with Docker Report

When trying to download a docker image at: https://github.com/chaostoolkit/chaostoolkit-reporting#download-a-docker-image it relies on docker being installed in a specific way which it doesn't explain

Couple of Doc Changes

All contained within the README.md file at https://github.com/chaostoolkit/chaostoolkit-reporting/blob/master/README.md

The guide assumes you know how to install extensions from a requirements.txt file (https://github.com/chaostoolkit/chaostoolkit-reporting/blob/master/requirements.txt)
which contains dependencies

It also mentions that you will need to install pandoc and a selection of other packages for pdf reports where this is already covered in another link on the document (https://github.com/chaostoolkit/chaostoolkit-reporting/blob/master/osx-install.md) which details the installation of both of these as well as cairo

Reporting plugin not working when using 1.0.0rc1

docker run --user id -u -v pwd:/tmp/result -it chaostoolkit/reporting -- report --export-format=html5 journal.json journal2.json report.html
[2018-12-06 16:26:25 WARNING]
There is a new version (1.0.0rc1) of the chaostoolkit available.
You may upgrade by typing:

$ pip install -U chaostoolkit

Please review changes at https://github.com/chaostoolkit/chaostoolkit/blob/master/CHANGELOG.md

Traceback (most recent call last):
File "/usr/local/bin/chaos", line 11, in
sys.exit(cli())
File "/usr/local/lib/python3.6/site-packages/click/core.py", line 764, in call
return self.main(*args, **kwargs)
File "/usr/local/lib/python3.6/site-packages/click/core.py", line 717, in main
rv = self.invoke(ctx)
File "/usr/local/lib/python3.6/site-packages/click/core.py", line 1137, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/usr/local/lib/python3.6/site-packages/click/core.py", line 956, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/usr/local/lib/python3.6/site-packages/click/core.py", line 555, in invoke
return callback(*args, **kwargs)
File "/usr/local/lib/python3.6/site-packages/chaosreport/cli.py", line 31, in report
reports.append(generate_report(journal, export_format))
File "/usr/local/lib/python3.6/site-packages/chaosreport/init.py", line 236, in generate_report
template = get_report_template(journal["chaoslib-version"])
File "/usr/local/lib/python3.6/site-packages/chaosreport/init.py", line 296, in get_report_template
**vinfo._asdict()))):
File "/usr/local/lib/python3.6/site-packages/semver.py", line 329, in match
cmp_res = compare(version, match_version)
File "/usr/local/lib/python3.6/site-packages/semver.py", line 282, in compare
v1, v2 = parse(ver1), parse(ver2)
File "/usr/local/lib/python3.6/site-packages/semver.py", line 65, in parse
raise ValueError('%s is not valid SemVer string' % version)
ValueError: 1.0.0rc1 is not valid SemVer string

PDF Report is not generating

I am trying to use below command on aws ec2 -x86_64 linux platform to generate pdf report but getting below error -

chaos report --export-format=pdf journal.json report.pdf

/home/ec2-user/.venvs/chaostk/lib64/python3.7/site-packages/dateparser/date_parser.py:35: PytzUsageWarning: The localize method is no longer necessary, as this time zone supports the fold attribute (PEP 495). For more details on migrating to a PEP 495-compliant implementation, see https://pytz-deprecation-shim.readthedocs.io/en/latest/migration.html
date_obj = stz.localize(date_obj)
Traceback (most recent call last):
File "/home/ec2-user/.venvs/chaostk/bin/chaos", line 8, in
sys.exit(cli())
File "/home/ec2-user/.venvs/chaostk/lib64/python3.7/site-packages/click/core.py", line 1130, in call
return self.main(*args, **kwargs)
File "/home/ec2-user/.venvs/chaostk/lib64/python3.7/site-packages/click/core.py", line 1055, in main
rv = self.invoke(ctx)
File "/home/ec2-user/.venvs/chaostk/lib64/python3.7/site-packages/click/core.py", line 1657, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/home/ec2-user/.venvs/chaostk/lib64/python3.7/site-packages/click/core.py", line 1404, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/home/ec2-user/.venvs/chaostk/lib64/python3.7/site-packages/click/core.py", line 760, in invoke
return __callback(*args, **kwargs)
File "/home/ec2-user/.venvs/chaostk/lib64/python3.7/site-packages/chaosreport/cli.py", line 32, in report
save_report(header, reports, report_path, export_format)
File "/home/ec2-user/.venvs/chaostk/lib64/python3.7/site-packages/chaosreport/init.py", line 275, in save_report
extra_args=extra_args)
File "/home/ec2-user/.venvs/chaostk/lib64/python3.7/site-packages/pypandoc/init.py", line 153, in convert_file
cworkdir=cworkdir)
File "/home/ec2-user/.venvs/chaostk/lib64/python3.7/site-packages/pypandoc/init.py", line 405, in _convert_input
'Pandoc died with exitcode "%s" during conversion: %s' % (p.returncode, stderr)
RuntimeError: Pandoc died with exitcode "43" during conversion: Error producing PDF.
! LaTeX Error: File `iftex.sty' not found.

Type X to quit or to proceed,
or enter new name. (Default extension: sty)

Enter file name:
! Emergency stop.
<read *>

l.10 \ifPDFTeX

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