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foundation modules for scanning container packages and reporting vulnerabilities

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ClairCore

ClairCore provides a set of go modules which handle scanning container layers for installed packages and reporting any discovered vulnerabilities.
ClairCore is designed to be embedded into a service wrapper.

For a full overview see: ClairCore Book

Usage

Two packages exist libindex and libvuln.
These packages export the methods for indexing an image's contents and matching the results of the index to vulnerabilities respectively.

libindex usage

Creating an instance

opts := &libindex.Opts{
    ConnString: "postgres://host:port",
    Migrations: true,
    // see definition for more configuration options
}
lib := libindex.New(opts)

call libindex with a populated Manifest

m := &claircore.Manifest{
    ...
}

ir, err := lib.Index(m)
if err != nil {
    log.Printf("%v", err)
}
if ir.State == "IndexError" {
    log.Printf("scan failed: %s", sr.Err)
}

libvuln usage

creating an instance

opts := &libvuln.Opts{
    ConnString: "postgres://host:port",
    Migrations: true,
    // see definition for more configuration option
}
lib := libvuln.New(opts)

call libvuln with a populated IndexReport

ir := &claircore.IndexReport{
    ...
}
vr, err := libvuln.Scan(ir)
if err != nil {
    log.Printf("%v", err)
}

Libvuln will first initialize all updaters before returning from its constructor.
Controlling how many updaters initialize in parallel is provided via the libvuln.Opts struct

To further understand how these packages work together see:
Highlevel Architecture
Vulnerability Matching

Local development and testing

The following targets start and stop a local development environment

make local-dev-up
make local-dev-down

If you modify libvuln or libindex code the following make targets will restart the services with your changes

make libindexhttp-restart
make libvulnhttp-restart

With the local development environment up the following make target runs all tests including integration

make integration

The following make target runs unit tests which do not require a database or local development environment

make unit

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