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trivy

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You can ignore a list of errors by defining a .trivyignore file

trivy documentation

trivy - GitHub

Configuration in MegaLinter

Variable Description Default value
REPOSITORY_TRIVY_ARGUMENTS User custom arguments to add in linter CLI call
Ex: -s --foo "bar"
REPOSITORY_TRIVY_PRE_COMMANDS List of bash commands to run before the linter None
REPOSITORY_TRIVY_POST_COMMANDS List of bash commands to run after the linter None
REPOSITORY_TRIVY_CONFIG_FILE trivy configuration file nameUse LINTER_DEFAULT to let the linter find it trivy.yaml
REPOSITORY_TRIVY_RULES_PATH Path where to find linter configuration file Workspace folder, then MegaLinter default rules
REPOSITORY_TRIVY_DISABLE_ERRORS Run linter but consider errors as warnings false
REPOSITORY_TRIVY_DISABLE_ERRORS_IF_LESS_THAN Maximum number of errors allowed 0
REPOSITORY_TRIVY_CLI_EXECUTABLE Override CLI executable ['trivy']

IDE Integration

Use trivy in your favorite IDE to catch errors before MegaLinter !

IDE Extension Name Install
Visual Studio Code VSCode Trivy Install in VSCode

MegaLinter Flavours

This linter is available in the following flavours

Flavor Description Embedded linters Info
all Default MegaLinter Flavor 113 Docker Image Size (tag) Docker Pulls
ci_light Optimized for CI items (Dockerfile, Jenkinsfile, JSON/YAML schemas,XML 19 Docker Image Size (tag) Docker Pulls
cupcake MegaLinter for the most commonly used languages 81 Docker Image Size (tag) Docker Pulls
documentation MegaLinter for documentation projects 47 Docker Image Size (tag) Docker Pulls
dotnet Optimized for C, C++, C# or VB based projects 59 Docker Image Size (tag) Docker Pulls
go Optimized for GO based projects 49 Docker Image Size (tag) Docker Pulls
java Optimized for JAVA based projects 51 Docker Image Size (tag) Docker Pulls
javascript Optimized for JAVASCRIPT or TYPESCRIPT based projects 56 Docker Image Size (tag) Docker Pulls
php Optimized for PHP based projects 50 Docker Image Size (tag) Docker Pulls
python Optimized for PYTHON based projects 58 Docker Image Size (tag) Docker Pulls
ruby Optimized for RUBY based projects 47 Docker Image Size (tag) Docker Pulls
rust Optimized for RUST based projects 47 Docker Image Size (tag) Docker Pulls
salesforce Optimized for Salesforce based projects 50 Docker Image Size (tag) Docker Pulls
security Optimized for security 21 Docker Image Size (tag) Docker Pulls
swift Optimized for SWIFT based projects 47 Docker Image Size (tag) Docker Pulls
terraform Optimized for TERRAFORM based projects 51 Docker Image Size (tag) Docker Pulls

Behind the scenes

How are identified applicable files

  • If this linter is active, all files will always be linted

How the linting is performed

trivy is called once on the whole project directory (project CLI lint mode)

  • filtering can not be done using MegaLinter configuration variables,it must be done using trivy configuration or ignore file (if existing)
  • VALIDATE_ALL_CODEBASE: false doesn't make trivy analyze only updated files

Example calls

trivy fs --scanners vuln,config .

Help content

Scanner for vulnerabilities in container images, file systems, and Git repositories, as well as for configuration issues and hard-coded secrets

Usage:
  trivy [global flags] command [flags] target
  trivy [command]

Examples:
  # Scan a container image
  $ trivy image python:3.4-alpine

  # Scan a container image from a tar archive
  $ trivy image --input ruby-3.1.tar

  # Scan local filesystem
  $ trivy fs .

  # Run in server mode
  $ trivy server

Available Commands:
  aws         [EXPERIMENTAL] Scan AWS account
  completion  Generate the autocompletion script for the specified shell
  config      Scan config files for misconfigurations
  filesystem  Scan local filesystem
  help        Help about any command
  image       Scan a container image
  kubernetes  [EXPERIMENTAL] Scan kubernetes cluster
  module      Manage modules
  plugin      Manage plugins
  repository  Scan a remote repository
  rootfs      Scan rootfs
  sbom        Scan SBOM for vulnerabilities
  server      Server mode
  version     Print the version
  vm          [EXPERIMENTAL] Scan a virtual machine image

Flags:
      --cache-dir string          cache directory (default "/root/.cache/trivy")
  -c, --config string             config path (default "trivy.yaml")
  -d, --debug                     debug mode
  -f, --format string             version format (json)
      --generate-default-config   write the default config to trivy-default.yaml
  -h, --help                      help for trivy
      --insecure                  allow insecure server connections
  -q, --quiet                     suppress progress bar and log output
      --timeout duration          timeout (default 5m0s)
  -v, --version                   show version

Use "trivy [command] --help" for more information about a command.

Installation on mega-linter Docker image

  • Dockerfile commands :
RUN wget --tries=5 -q -O - https://raw.githubusercontent.com/aquasecurity/trivy/main/contrib/install.sh | sh -s -- -b /usr/local/bin