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Last pushed: 5 months ago
Short Description
Clair local scan
Full Description

Clair server or local

CoreOs Clair, using the latest version 2.0.1

You can run a dedicated clair server with a database but if you want to run clair standalone in your CI/CD pipeline then you are in a surprise:

  • Starting clair from scratch takes about 20 to 30 minutes for the DB to be filled up
  • Clair needs to access the container layers and therefore you need remote access from clair to your build job

To fix these problems I have created a Travis scheduled job that creates the DB daily. This DB can be used to run clair standalone in your build job.

Important: Keep in mind that you can use a new version of the DB with updated vulnerabilities data. Just change the tag from '2017-03-15' to a today's date.

To be able to fill the database we need a clair server, for the convenience and later usability I am using an extended clair docker container.

How to scan containers

Start the clair DB and clair locally or in your job

docker run -d --name db arminc/clair-db:2017-03-15
docker run -p 6060:6060 --link db:postgres -d --name clair arminc/clair-local-scan:v2.0.1

Having clair locally working is nice but you need to do something with it. You can either scan it with the 'official' analyze-local-images from CoreOS, or you can use a version modified by me. My version verifies which vulnerabilities are accepted and which are not (using a whitelist). You can find more info here

Scan using analyze-local-images

analyze-local-images -endpoint http://IP:6060 -my-address IP arminc/clair-db:2017-03-15

Scan using clair-scanner

clair-scanner nginx:1.11.6-alpine example-nginx.yaml http://YOUR_LOCAL_IP:6060 YOUR_LOCAL_IP
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