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Custom Filtering for Snyk CLI

snyk-filter takes the JSON outputted from the Snyk CLI, e.g. snyk test --json and applies custom filtering of the results, as well as options to fail your build.

How do I use it?

Clone & Install

Just a test

First, clone the repo. Then run

npm install -g

Note about node-jq

snyk-filter uses the node-jq library, which requires that a jq binary is installed. This typically happens transparently via npm install -g, but on some systems JQ does not get properly installed locally. If you receive an error after installation regarding node-jq, then jq should be installed manually to avoid this error.

# install jq ahead of time (ubuntu example)
sudo apt-get install -y jq

# tell node-jq to skip trying to install it on its own
export NODE_JQ_SKIP_INSTALL_BINARY=true

# tell node-jq where the existing jq binary is
export JQ_PATH=$(which jq)

# finally, install snyk-filter (does not work with node version > 12)
sudo npm install -g

Usage

1. Implement your custom JQ filters in a .snyk-filter/snyk.yml file relative to your current working directory where you will be running snyk test from (see in sample-filters and tweak things from there - use JQPlay )

2. Then pipe your snyk test --json output into snyk-filter or use the -i argument to input a json file. Use the -f argument to point to the yml file containing your custom filters if you are not using the default location (.snyk-filter/snyk.yml).

3. Return code of snyk-filter will be 0 for pass (no issues) and 1 for fail (issues found)

Example with Snyk CLI (using .snyk-filter/snyk.yml by default)

snyk test --json | snyk-filter

Example with Snyk CLI and custom yml file location

snyk test --json | snyk-filter -f /path/to/example-cvss-9-or-above.yml

Example

snyk-filter -i snyk_results.json

Example with custom yml file location

snyk-filter -i snyk_results.json -f /path/to/example-high-upgradeable-vulns.yml

Options

--json to output json

License

License: Apache License, Version 2.0