A modern DevOps process would no longer be possible without feature branches and pull request workflows. How are the changes of a pull request verified? Often, only a deployment into an isolated PR environment provides clarity. This allows testing in the overall context with surrounding systems and real data persistence, the deployment and upgrade process can be tested as well and last but not least a product owner can look at the change on a running system. This talk will show everything that is needed for a pull request deployment and also show approaches for challenges like database schema deployment with data initialization as well as regression testing. The examples will be presented using Azure DevOps and Azure Kubernetes Services.

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10. Code Test & Stabilize Code Test & Stabilize
Code
Complete
Planning

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23. Base
Infrastructure
CD
Service
CD
Base Infrastructure
Template
Resource Template
Resource Template
Dev/Test Prod
Service
CI
Build Stage
PR Stage
Testing PreProd Prod
Compile
Service
DB Schema
Compile
System Tests
Infrastructure
Artifacts
Pipeline
Artifacts
Task / Job Templates
Task / Job Templates
Resource Groups, vNets, VMs, Azure SQL,
CosmosDB, …
App Deployment, DB instance, DB Schema,
Managed Identities, Storage, …
Deplyoment Verification

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25. CI build for every
changed service

26. Require a
successful
deployment for
every changed
service

27. Additional
security scans

28. Frontend
deployment
Backend
deployment

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37. ▪
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38. PR Version
Release
Version

40. Service and
DB Schema
Testdata
Automated
system tests

41. Identify PR
Context
Add PR
status check
which is used
as policy

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43. PR Version
Release
Version
Build Version + Deployment Attempt

44. CI pipeline as resource
(trigger and artifacts)

45. Calculate release number
CI version + release revision

46. Calculate PR
specific variables
Setup PR
environment
(k8s namespace,
database,
identities)
Deploy service
Initialize test data

47. Run system tests
in PR
environment

48. Update PR status
(collect deployment and test
results)

49. Calculate the overall
status
Update the PR status

50. Extract deployment
URL (PR specific)
Only run for PR
Add a PR comment
with deployment
info

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61. https://dev.azure.com/4tecture-demo/_apis/public/distributedtask/webhooks/prupdated?api-version=6.0-preview

63. Method: POST
URI: https://dev.azure.com/4tecture-demo/_apis/public/distributedtask/webhooks/prupdated?api-version=6.0-preview
HTTP Version: 1.1
Headers:
{
Content-Type: application/json; charset=utf-8
}
Content:
{
"subscriptionId": "1de80ac8-b9a7-42d0-a2fe-5441c2b7ffc2",
"notificationId": 14,
"id": "af07be1b-f3ad-44c8-a7f1-c4835f2df06b",
"eventType": "git.pullrequest.updated",
"publisherId": "tfs",
"message": {
"text": "Jamal Hartnett marked the pull request as completed",
"html": "Jamal Hartnett marked the pull request as completed",
"markdown": "Jamal Hartnett marked the pull request as completed"
},
"detailedMessage": {
"text": "Jamal Hartnett marked the pull request as completedrnrn- Merge status: Succeededrn- Merge commit: eef717(https://fabrikam.visualstudio.com/DefaultCollection/_apis/git/repositories/4bc14d40-c903-45e2-872e-0462c7748079/commit
"html": "Jamal Hartnett marked the pull request as completedrn<ul>rn<li>Merge status: Succeeded</li>rn<li>Merge commit: <a href="https://fabrikam.visualstudio.com/DefaultCollection/_apis/git/repositories/4bc14d40-c903-45e2-872e-
0462c7748079/commits/eef717f69257a6333f221566c1c987dc94cc0d72">eef717</a></li>rn</ul>",
"markdown": "Jamal Hartnett marked the pull request as completedrnrn+ Merge status: Succeededrn+ Merge commit: [eef717](https://fabrikam.visualstudio.com/DefaultCollection/_apis/git/repositories/4bc14d40-c903-45e2-872e-0462c7748079/
},
"resource": {
"repository": {
"id": "4bc14d40-c903-45e2-872e-0462c7748079",
"name": "Fabrikam",
"url": "https://fabrikam.visualstudio.com/DefaultCollection/_apis/git/repositories/4bc14d40-c903-45e2-872e-0462c7748079",
"project": {
"id": "6ce954b1-ce1f-45d1-b94d-e6bf2464ba2c",
"name": "Fabrikam",
"url": "https://fabrikam.visualstudio.com/DefaultCollection/_apis/projects/6ce954b1-ce1f-45d1-b94d-e6bf2464ba2c",
"state": "wellFormed",
"visibility": "unchanged",
"lastUpdateTime": "0001-01-01T00:00:00"
},
"defaultBranch": "refs/heads/master",
"remoteUrl": "https://fabrikam.visualstudio.com/DefaultCollection/_git/Fabrikam"
},
"pullRequestId": 1,
"status": "completed",
"createdBy": {
"displayName": "Jamal Hartnett",
"url": "https://fabrikam.vssps.visualstudio.com/_apis/Identities/54d125f7-69f7-4191-904f-c5b96b6261c8",
"id": "54d125f7-69f7-4191-904f-c5b96b6261c8",
"uniqueName": "fabrikamfiber4@hotmail.com",
"imageUrl": "https://fabrikam.visualstudio.com/DefaultCollection/_api/_common/identityImage?id=54d125f7-69f7-4191-904f-c5b96b6261c8"
},
"creationDate": "2014-06-17T16:55:46.589889Z",
"closedDate": "2014-06-30T18:59:12.3660573Z",
"title": "my first pull request",
"description": " - test2rn",
"sourceRefName": "refs/heads/mytopic",

64. Incoming
WebHook as
resource with
trigger
Additional conditions for
dynamic payload evaluation

65. Calculate PR
specific variables
Delete
deployment
Delete database
Delete Identities

67. •
•
•
•
IDE
MSBuild
IntelliSense
Validation
Code Base
Consistency
Design
Compare
CI
CD

68. •
•
•
DB Scheme Migrations (Static & Dynamic SQL)
Single Pre- and Post Script Logic
Microsoft.Data.Tools.Msbuild
(NuGet)

69. •
•
•
•
•

70. •
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•
•
•

71. Local
DEV DB
Visual Studio
DB Project Git Repo
→
QA Dump
Prod Dump

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73. Start Deployment End Deployment
GENERATE
Deployment Script
Run Script
Pre-Deployment
Script
Run Script
Post-Deployment
Script
Scheme Migration
Deployment Script
(DacPac)
Database Deployment
Build Process
Run Script
Reference Data
Deployment Script

74. •
•
•
•
•
•
•

75. •
•
•
•

76. Release v2
Deploy
DB Schema
Deploy
Binaries
Prod Environment
v2
Binaries
v1
Prod Environment
v2
Binaries
v2
Release v2
Deploy
Binaries
Deploy
DB Schema
Prod Environment
v1 Binaries
v1
Binaries
v2
Factory
Prod Environment
v2 Binaries
v1
Binaries
v2
Factory

77. CD
PR
CI
Checkout
Build
App
Run Unit
Test
Build
Dacpac
Publish
Dacpac
Publish
App
Create /
restore DB
Deploy DB
Schema
Deploy
App
QA
Deploy DB
Schema
Deploy
App
Pre-Prod
Clone
Prod DB
Deploy DB
Schema
Deploy
App
Prod
Deploy DB
Schema
Deploy
App
CI Type

78. steps:
- pwsh: |
/opt/sqlpackage/sqlpackage
/a:Publish
/p:BlockOnPossibleDataLoss=
${{ parameters.blockOnDataLoss }}
/p:GenerateSmartDefaults=True
/tcs:"${{ parameters.connection }}
/sf:"${{ parameters.dacpacFile }}"
displayName: 'Deploy DACPACs'
https://docs.microsoft.com/de-de/sql/tools/sqlpackage/sqlpackage-download?view=sql-server-ver16

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https://hub.docker.com/_/microsoft-mssql-server

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86. ✓
✓
✓
✓

87. Infrastructure
QA Namespace
Fronend
Backend
PR-xy Namespace
Fronend
Backend
Database Server
Prod PR-xy

88. Infrastructure
QA Namespace
Fronend
Backend
PR-xy Namespace
Fronend
Backend
Database Server
Prod PR-xy

89. Infrastructure
QA Namespace
Fronend
Backend
PR-xy Namespace
Fronend
Database Server
Prod
Backend
PR-xy

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91. ▪
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92. Helm Release
Deployment
App Pod
App
Container
Init
Container
Job
DB Migration Pod
DB Migration
Container
Service Ingress
DB

94. ▪
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95. ▪
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Pipeline Agent
Docker
Container
Pipeline
Job

96. trigger:
- master
pool:
#vmImage: 'windows-latest'
default
container: mcr.microsoft.com/dotnet/framework/sdk:4.7.2-windowsservercore-ltsc2019
variables:
solution: '**/*.sln'
buildPlatform: 'Any CPU'
buildConfiguration: 'Release'
steps:
- task: NuGetToolInstaller@1
- task: NuGetCommand@2
inputs:
restoreSolution: '$(solution)'
- task: VSBuild@1
inputs:
solution: '$(solution)'
platform: '$(buildPlatform)'
configuration: '$(buildConfiguration)'
- task: VSTest@2
inputs:
testSelector: 'testAssemblies’
searchFolder: '$(System.DefaultWorkingDirectory)'
vstestLocationMethod: 'location'
vstestLocation: 'C:Program Files (x86)Microsoft Visual Studio2019TestAgentCommon7IDECommonExtensionsMicrosoftTestWindowvstest.console.exe'
platform: '$(buildPlatform)'
configuration: '$(buildConfiguration)'
- publish: $(System.DefaultWorkingDirectory)ConsoleAppbinRelease
artifact: ConsoleApp

97. ▪
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98. Pipeline Agent
Docker Network
Container
Pipeline Job
Build Container
Publish Container
Container Job
Container
API App
Container
SQL Server
Deploy DB
Run Test
Docker Registry

99. Container
Resources

100. Matrix → run test in different
environments in parallel
Dynamic service container
selection based on matrix variable

101. DB schema deployment
Run integration / system
tests

102. Docker network container alias
Docker network container alias

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