At first hook tries to use globally installed grype tool. And if it doesn't exist
then hook installs grype into a .pre-commit-grype temporary directory that
will be removed after scanning is completed.
The following tools have to be available on a runner prior using this pre-commit hook:
<rev>in the examples below, is the latest revision tag from fabasoad/pre-commit-grype repository.
This hook runs grype dir:. command.
repos:
- repo: https://github.com/fabasoad/pre-commit-grype
rev: <rev>
hooks:
- id: grype-dirThere are 2 ways to customize scanning for both grype and pre-commit-grype -
environment variables and arguments passed to args.
You can pass arguments to the hook as well as to the grype itself. To distinguish
parameters you need to use --grype-args for grype arguments and --hook-args
for pre-commit-grype arguments. Supported delimiter is =. So, use --hook-args=<arg>
but not --hook-args <arg>. Please find Examples for more details.
You can install grype locally and run grype --help to see all the available
arguments:
$ grype --version
grype 0.79.1
$ grype --help
A vulnerability scanner for container images, filesystems, and SBOMs.
Supports the following image sources:
grype yourrepo/yourimage:tag defaults to using images from a Docker daemon
grype path/to/yourproject a Docker tar, OCI tar, OCI directory, SIF container, or generic filesystem directory
You can also explicitly specify the scheme to use:
grype podman:yourrepo/yourimage:tag explicitly use the Podman daemon
grype docker:yourrepo/yourimage:tag explicitly use the Docker daemon
grype docker-archive:path/to/yourimage.tar use a tarball from disk for archives created from "docker save"
grype oci-archive:path/to/yourimage.tar use a tarball from disk for OCI archives (from Podman or otherwise)
grype oci-dir:path/to/yourimage read directly from a path on disk for OCI layout directories (from Skopeo or otherwise)
grype singularity:path/to/yourimage.sif read directly from a Singularity Image Format (SIF) container on disk
grype dir:path/to/yourproject read directly from a path on disk (any directory)
grype sbom:path/to/syft.json read Syft JSON from path on disk
grype registry:yourrepo/yourimage:tag pull image directly from a registry (no container runtime required)
grype purl:path/to/purl/file read a newline separated file of purls from a path on disk
You can also pipe in Syft JSON directly:
syft yourimage:tag -o json | grype
Usage:
grype [IMAGE] [flags]
grype [command]
Available Commands:
completion Generate a shell completion for Grype (listing local docker images)
config show the grype configuration
db vulnerability database operations
explain Ask grype to explain a set of findings
help Help about any command
version show version information
Flags:
--add-cpes-if-none generate CPEs for packages with no CPE data
--by-cve orient results by CVE instead of the original vulnerability ID when possible
-c, --config string grype configuration file
--distro string distro to match against in the format: <distro>:<version>
--exclude stringArray exclude paths from being scanned using a glob expression
-f, --fail-on string set the return code to 1 if a vulnerability is found with a severity >= the given severity, options=[negligible low medium high critical]
--file string file to write the default report output to (default is STDOUT)
-h, --help help for grype
--ignore-states string ignore matches for vulnerabilities with specified comma separated fix states, options=[fixed not-fixed unknown wont-fix]
--name string set the name of the target being analyzed
--only-fixed ignore matches for vulnerabilities that are not fixed
--only-notfixed ignore matches for vulnerabilities that are fixed
-o, --output stringArray report output formatter, formats=[json table cyclonedx cyclonedx-json sarif template], deprecated formats=[embedded-cyclonedx-vex-json embedded-cyclonedx-vex-xml]
--platform string an optional platform specifier for container image sources (e.g. 'linux/arm64', 'linux/arm64/v8', 'arm64', 'linux')
-q, --quiet suppress all logging output
-s, --scope string selection of layers to analyze, options=[squashed all-layers] (default "squashed")
--show-suppressed show suppressed/ignored vulnerabilities in the output (only supported with table output format)
-t, --template string specify the path to a Go template file (requires 'template' output to be selected)
-v, --verbose count increase verbosity (-v = info, -vv = debug)
--version version for grype
--vex stringArray a list of VEX documents to consider when producing scanning results
Use "grype [command] --help" for more information about a command.Here is the precedence order of pre-commit-grype tool:
- Parameter passed to the hook as argument via
--hook-args. - Environment variable.
- Default value.
For example, if you set PRE_COMMIT_GRYPE_LOG_LEVEL=warning and --hook-args=--log-level error then error value will be used.
With this parameter you can control the log level of pre-commit-grype hook output.
It doesn't impact grype log level output. To control grype log level output
please look at the Grype parameters.
- Parameter name:
--log-level - Environment variable:
PRE_COMMIT_GRYPE_LOG_LEVEL - Possible values:
debug,info,warning,error - Default:
info
With this parameter you can enable/disable the coloring of pre-commit-grype
hook logs. It doesn't impact grype logs coloring.
- Parameter name:
--log-color - Environment variable:
PRE_COMMIT_GRYPE_LOG_COLOR - Possible values:
true,false - Default:
true
Specifies specific grype version to use. This will work only if grype is not globally installed, otherwise globally installed grype takes precedence.
- Parameter name:
--grype-version - Environment variable:
PRE_COMMIT_GRYPE_GRYPE_VERSION - Possible values: Grype version that you can find here
- Default:
latest
With this parameter you can choose either to keep cache directory, or to remove
it. By default, it removes cache directory. With false parameter cache directory
will not be removed which means that if grype is not installed globally every
subsequent run won't download grype again. Don't forget to add cache directory
into the .gitignore file.
- Parameter name:
--clean-cache - Environment variable:
PRE_COMMIT_GRYPE_CLEAN_CACHE - Possible values:
true,false - Default:
true
Pass arguments separately from each other:
repos:
- repo: https://github.com/fabasoad/pre-commit-grype
rev: <rev>
hooks:
- id: grype-dir
args:
- --hook-args=--log-level debug
- --grype-args=--fail-on low
- --grype-args=--by-cvePass arguments altogether grouped by category:
repos:
- repo: https://github.com/fabasoad/pre-commit-grype
rev: <rev>
hooks:
- id: grype-dir
args:
- --hook-args=--log-level debug
- --grype-args=--fail-on low --by-cveSet these parameters to have the minimal possible logs output:
repos:
- repo: https://github.com/fabasoad/pre-commit-grype
rev: <rev>
hooks:
- id: grype-dir
args:
- --hook-args=--log-level=error
- --grype-args=--quiet
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