Webinar - Unbox GitLab CI/CD

2
Agenda
● What is GitLab CI/CD
● Why GitLab CI/CD
● How to benefit from GitLab CI/CD
○ Quick start
○ Advanced workflows
■ Faster pipeline
■ Templating(include)
■ Dynamic child pipeline
■ Manual approval flow
■ K8s deployment
■ Security tests

3
What is GitLab CI/CD
GitLab CI/CD is a capability built into GitLab for software development through the
continuous methodologies:
Continuous Integration (CI)
Automated testing and artifact creation
Continuous Delivery (CD)
Automated deployment to test and staging environments
Manual deployment to Production
Continuous Deployment (CD)
Automated deployment to Production

4
Why consider GitLab CI/CD
● Versioned build & tests: a
.gitlab-ci.yml file contains your tests
and build scripts, ensuring every
branch gets build & tests it needs.
● Build artifacts & test results:
binaries, other build artifacts and
test results can be stored and
explored in GitLab.
● Native Docker support: custom
Docker images, spin up services as
part of testing, build new Docker
images, even run on Kubernetes.
● Multi-language: build scripts are
command line driven and work with
any language.
● Real time logging: a link in the
merge request takes you to the
current log.
● One application: no integrations to
maintain, no extra license costs, no
switching back and forth between
applications

5
Get Started with GitLab CI/CD

6
Run your ﬁrst GitLab CI/CD pipeline
Step 1: Define what to run
Step 2: Define where to run
Step 3: Give it a go!

7
Basic pipeline deﬁnition syntax
Yaml format for pipeline definition (.gitlab-ci.yml by default)

8
GitLab runner/executors brief
GitLab CI Runner is where the task is executed.
Runner types:
● Shared
● Group
● Project specific
GitLab
Server
Runner Runner
Common executor types:
● Shell (not ssh)
● Docker (most common)
● Kubernetes
Runner installations:
● Linux
● Windows
● MacOS
● Container/K8S

9
Ways to trigger GitLab pipeline
● Push your code to GitLab repository*
● Run it manually from the UI
● Schedule it to run at later time
● “Trigger”ed by upstream pipeline
● Use API to launch a pipeline with “trigger”

10
Advanced GitLab CI/CD Workﬂows

11
How to get my pipeline run faster?
● Parallel
crop_pictures
stage: Prepare
script: crop_pics.sh
enforce_relative_links:
stage: Prepare
script: src/other/code/links.sh
● Directed Acyclic Graph
linux-build:
stage: build
mac-build:
stage: build
linux-rspec:
stage: test
needs: [“linux-build”]
mac-rspec:
stage: test
needs: [“mac-build”]
linux-prod:
stage: deploy
needs: [“linux-build”]
mac-prod:
stage: deploy
needs: [“mac-build”]

12
More ways to make your faster
● Caching
cache:
paths:
- binary/
- .conﬁg
● Rules/condition
pseudo-deploy:
stage: deploy
only:
- branches
except:
- master
job:
script: "echo Hello, Rules!"
rules:
- if:
'$CI_MERGE_REQUEST_TARGET_BRANCH_NAME
== "master"'
when: always
- if: '$VAR =~ /pattern/'
when: manual
- when: on_success

13
Bored with writing every code block?
CI file template

14
Use of ‘include’
include: '/templates/.after-script-template.yml'
include:
- project: 'my-group/my-project'
ref: master
file: '/templates/.gitlab-ci-template.yml'
include:
- remote: 'https://gitlab.com/awesome-project/raw/master/.gitlab-ci-template.yml'
include:
- template: Auto-DevOps.gitlab-ci.yml
● Reuse code from the same project with include:local
● Reuse code from the another project with include:file
● Reuse code from arbitrary http(s) location with include:remote
● Reuse code from template with include:template

15
Need to “compute” a pipeline?
An example use case:
A project has 1000+ test cases with in-house test harness and want to run all of them in parallel during CI
process. Authoring and maintaining the pipeline might be tedious.
Example code:
generate-config:
stage: build
script: generate-ci-config > generated-config.yml
artifacts:
paths:
- generated-config.yml
child-pipeline:
stage: test
trigger:
include:
- artifact: generated-config.yml
job: generate-config

16
Want to get the pipeline wait for approval?
● Create a manual step with some environment.
approve:
stage: Approve
script:
- echo Approved!
environment:
name: approval_env
when: manual
allow_failure: false
only:
- master
● Protect the approval_env environment in the protected
environments settings by adding only needed user to
“Allowed to Deploy” list.

17
How can I run the whole pipeline conditionally?
● Workflow:rules controls to the entirety of a pipeline
workflow:
rules:
- if: $CI_COMMIT_REF_NAME =~ /-wip$/
when: never
- if: $CI_COMMIT_TAG
when: never
- when: always

18
Minimal code to build and deploy to k8s?
● Prepare your Dockerfile in the repo
● Enabled Auto DevOps
● Connect to your K8S cluster
● Install Helm, Ingress and Prometheus (optional)
● Deploy your application!

19
Wish to run security tests more frequently?
● Include your security test template in your .gitlab-ci.yml file
include:
- template: SAST.gitlab-ci.yml
● Run your pipeline

20
Review your security test result
● Check the result in your merge request
● View the report via Security Dashboard
● Pipeline level
● Project level
● Group level

21
The Top 10 OWASP vulnerabilities
The Top 10 OWASP vulnerabilities in 2020 are:
1. Injection
2. Broken Authentication
3. Sensitive Data Exposure
4. XML External Entities (XXE)
5. Broken Access Control
6. Security Misconfigurations
7. Cross Site Scripting (XSS)
8. Insecure Deserialization
9. Using Components with known vulnerabilities
10. Insufficient logging and monitoring
https://owasp.org/www-project-top-ten/
https://owasp.org/www-community/Source_Code_Analysis_Tools
https://about.gitlab.com/solutions/pci-compliance/
https://about.gitlab.com/blog/2020/01/21/gitlab-is-now-a-m
ember-of-the-owasp-foundation/

22
Seamlessly test for vulnerabilities within the developer workﬂow
App sec
tests

Webinar - Unbox GitLab CI/CD

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