1.
Enterprise DevOps Series:
Using VS Code & Zowe
ARNAL DAYARATNA, RESEARCH DIRECTOR, SOFTWARE DEVELOPMENT, IDC
ROSE SAKACH, PRODUCT MANAGER & ZOWE SQUAD LEADER, BROADCOM

2.
Broadcom Proprietary and Confidential. Copyright © 2020 Broadcom. All Rights Reserved. The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
Agenda
• Developer Trends & DevOps Impact
• Enterprise DevOps Enablers
• Use Case: Onboarding next-gen developer

3.
Development Trends and DevOps Impact
Arnal Dayaratna
© IDC

4.
Developer Influence and
Responsibilities
4© IDC

5.
© IDC 5
Developers Spend Less than
20% of their Time Writing Code
QE1. Thinking over the typical month, what percent of your time is spent on the following categories and
sub-categories (Pre-coding, Coding and Software QA, Debugging and Testing, Deployment,
Monitoring, Miscellaneous) . N = 1056
Source: PaaSView and the Developer 2020
§ In addition to developing
applications, developer
responsibilities also include:
§ Deployment
§ CI/CD
§ Monitoring
§ User experience
§ Security

6.
© IDC 6
QK1c1. Which development activity do you want to spend more time on in the next 12
months? And Less time on? N = 966
Source: PaaSView and the Developer 2020
Developers Want to Spend More Time Coding
§ Despite the proliferation of
developer responsibilities,
developers want to spend
more time on:
§ Requirements analysis
§ Software design
§ Coding

7.
QK2. Which of the following prevents you from doing more of the software
development work that you would like to do? N=966
Source: PaaSView and the Developer 2020.
© IDC 7
Developers Cite Lack of Automation
as Inhibiting Productivity
§ Developers view lack of automation
as the principal detriment to
productivity
§ Between 30% and 33% of
developers view insufficient talent
and resource allocation and
management as inhibitors to
developer productivity
§ More than 30% of developers cited
self-service provisioning as an
inhibitor to developer productivity

8.
Developer Tools and
DevOps Adoption
8© IDC

9.
Top 20 Languages Used by Full-time Developers, Worldwide
Java and JavaScript retain top two spots while Python and PHP make their way into the top 5
Area of each rectangle corresponds to worldwide, full-
time developer population
that uses each of the languages in question
on a “heavy” basis.
B1. Please indicate how much you (or the team you
are responsible for) used the following
languages as a software developer in the last
12 months. Choose one level of usage for each
language (Heavy).
n = 2,500
Source: PaaSView and the Developer, 2019
© IDC 9
§ Top 5 languages are Java,
JavaScript, C/C++, Python
and PHP.
§ Python and PHP have made
their way into the top 5
languages in 2019 at the
expense of SQL and C#.

10.
© IDC 10
Cloud-based Developer Tools Are Growing at a CAGR of 17.4%
§ While the market for on-
premises developer tools is
growing with a CAGR of
1.8%, cloud-based tools are
growing with a CAGR of
17.4% through 2024
§ Examples of cloud-based
developer tools include:
§ Eclipse Che
§ GitHub Codespaces

11.
© IDC | 11
DevOps Adoption Continues to Grow
§ In 2020, 81% of developers worked on a team that had adopted, or is planning to adopt DevOps
§ DevOps adoption has increased from 52% to 68% to 81% between the years of 2018, 2019 and 2020, respectively

12.
© IDC 12
Adoption of DevOps Practices Increased
YoY Between 2019 and 2020
QC3_DO6r1-r11 To what extent has your organization adopted each of the following DevOps practices? N=741; PaaSView
and the Developer 2020
C3. To what extent has your organization adopted each of the following DevOps practices? N=1610; PaaSView and the
Developer 2019
§ Adoption of all seven of the
DevOps practices
represented here has
increased by ~5%-10% in
2020 in comparison to 2019
§ Adoption of these practices
illustrates the continued
relevance of automation to
application development

13.
© IDC 13
Before and After Implementing DevOps
QC4_DO7. Prior to implementing DevOps, how often, on average, did your organization deploy code releases?
QC5_DO8. After implementing DevOps, how often, on average, does your organization deploy code releases? N = 741
Source: PaaSView and the Developer 2020.
§ DevOps continues to make
development go faster
§ The following deployment
cadences increased after the
adoption of DevOps:
§ Multiple times a day
§ Weekly
§ Every 2-3 weeks
§ Monthly

14.
© IDC 14
Developers Have Influence and Freedom Regarding the Selection
and Purchasing of Developer Tools and Cloud Adoption
QA1. MEAN SUMMARY TABLE - What degree of freedom do you personally have regarding the selection of each of the
following at your organization for your professional work (vs. your organization deciding for you). N=966
QA2. MEAN SUMMARY TABLE - What degree of influence do you or your team have with respect to purchasing decisions
made by budget holders at your organizations for each of the following? N=966
Source: PaaSView and the Developer 2020.
§ Developers have the
greatest influence over IDEs,
but they also influence
purchasing decisions related
to:
§ Cloud adoption
§ Legacy app
modernization
§ Use of AI/ML tools

15.
Enterprise DevOps Enablers

16.
Broadcom Proprietary and Confidential. Copyright © 2020 Broadcom. All Rights Reserved. The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
Primitive
by today’s
standards
Current Tools Limit Productivity
• ISPF/TSO interfaces
• JCL/Rexx for build and system testing
• Platform-dependent tools
• Workstation-based Eclipse IDE
• Vendor plug-ins
• Proprietary tools
Past Present

17.
Broadcom Proprietary and Confidential. Copyright © 2020 Broadcom. All Rights Reserved. The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
Typical High-Velocity Developer Toolchain; Why Not Mainframe?
COCKPITAUTOPILOT
IDE Version Control
DevOps automation w/ tools like code quality, task running, testing, CI/CD
etc.
Partnership
w/ DevOps
Engineers

18.
Broadcom Proprietary and Confidential. Copyright © 2020 Broadcom. All Rights Reserved. The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
Git-Native IDEs Now Mainframe Ready
• Lightweight IDE
• Microsoft backed, extensive plugin library
• Git- & Zowe-enabled
• Open source, including extensions
• Browser IDE & workspace server
• Container-native
• Git- & Zowe-enabled
• Open source, including extensions
USERS
WORLDWIDE
11M Rapid onboarding;
no workstation
maintenance

19.
Broadcom Proprietary and Confidential. Copyright © 2020 Broadcom. All Rights Reserved. The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.|
NEXT-GEN DEV &
DEVOPS ENGINEER
Modern-Mainframe Bridge
CHOICE
BASED ON
BEST FIT
MODERN
DEVOPS TOOLS
MAINFRAME
CLOUD
Mainframe
Security
CLI
APIs
CLI
APIs
Key Enabler – Zowe

20.
Broadcom Proprietary and Confidential. Copyright © 2020 Broadcom. All Rights Reserved. The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.|
ISPF
Endevor Bridge for Git
Broadcom enables veterans & next-
gens to work on the same code base
using their preferred tools
Preferred IDE/SCM
Key Enabler – CA Endevor Bridge for Git
* COBOL editing also available for Emacs, IntelliJ, Vim and Sublime Text

21.
Use Case: Onboarding next-gen
developer

22.
Broadcom Proprietary and Confidential. Copyright © 2020 Broadcom. All Rights Reserved. The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
Use Case: Onboarding Next-gen Developer
Michelle
GenZ, new to mainframe
Knows & loves VS Code & Git
Took OMP COBOL Course
Day1; simple debug of Mainframe
COBOL app
* VS Code plug-ins
available for free in VS
Code Marketplace
Manager recommends: Type
Zowe Explorer * Cockpit
COBOL Language Support * Cockpit
COBOL Control Flow * Cockpit
Git CLI Cockpit
Scripts for automated build, deploy, test Autopilot

23.
v
COBOL Control Flow
COBOL Control Flow TYPE: VS Code Extension DESCRIPTION: View IBM Enterprise COBOL paragraphs as interactive graphical nodes
OPENSOURCE

24.
v
COBOL Language Support
OPENSOURCE
COBOL Language Support TYPE: VS Code Extension DESCRIPTION: Autocomplete, highlighting & real-time syntax validation for IBM Enterprise COBOL

25.
v
Zowe Explorer
OPENSOURCE
Zowe Explorer TYPE: VS Code Extension DESCRIPTION: Interact with mainframe data sets, jobs, USS files
ENABLERS
z/OSMF
REST API
Location: Mainframe
Zowe API
Mediation Layer
Location: Mainframe

26.
v
Git
OPENSOURCE
Git TYPE: Git DESCRIPTION: Run Git commands w/ CA Endevor-resident code via CA Endevor Bridge for Git
ENABLERS
CA Endevor
REST API
Location: Mainframe
GitHub or GitLab or
BitBucket or Azure DevOps
Location: Distributed Server
CA Endevor
Bridge for Git
Location: Distributed Server
Zowe API
Mediation Layer
Location: Mainframe

27.
v
compileLink
OPENSOURCE
compileLink TYPE: Scripts (e.g., NPM Scripts) DESCRIPTION: Automated build - local and/or orchestrated via CI/CD (e.g., Jenkins)
ENABLERS
CA Endevor
REST API
Location: Mainframe
CA Endevor
for Zowe CLI
Location: Client
Zowe API
Mediation Layer
Location: Mainframe

28.
Broadcom Proprietary and Confidential. Copyright © 2020 Broadcom. All Rights Reserved. The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
Results
• Next-gen is productive from Day 1
• Addresses recruitment and retention challenges
• No disruption to mainframe veterans
• Knowledge transfer to next-gens over time
• Aligns with Enterprise DevOps
• Common processes & toolchains further enabling cross-platform apps
• Zero incremental cost*
• Open source-driven, free extensions
• Ensures the long-term vitality of the mainframe
• Removes appdev silo while retaining core attributes of the platform
* Assumes mainframe-native & off-platform tools already licensed

29.
Broadcom Proprietary and Confidential. Copyright © 2020 Broadcom. All Rights Reserved. The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
What’s next for Michelle?
* Ecosystem of 25+ Zowe Conformant CLI extensions
JCL Language
Support
Debugger for
Mainframe
Data Set Viewer
• Debug Adaptor
Protocol (DAP)
• CA InterTest
(mainframe)
• Language Server
Protocol (LSP)
• CA JCLCheck
(mainframe)
• Visualize VSAM Data
• CA File Master Plus
(mainframe)
Additional VS Code extensions: Additional Zowe CLI extensions*:

30.
Broadcom Proprietary and Confidential. Copyright © 2020 Broadcom. All Rights Reserved. The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
CA Brightside Subscription
Open Source-driven, Enterprise Grade
CA Brightside
24x7 enterprise-class
technical support
• Full adoption lifecycle
Broadcom commercial add-
ons
Quality & security tested
Simplified & streamlined
installation
Intellectual property legal
assurance
Easy access to all Broadcom
Product Zowe extensions:
• CA Endevor
• CA Endevor Bridge for Git
• CA File Master Plus
• CA IDMS
• CA JCLCheck
• CA MAT Analyze / Detect
• CA OPS/MVS plugins
• CA Spool
• CA SYSVIEW
• CA View
• CA-7
Access to Broadcom Add-ons
• z/OS-Extended-Files,
• z/OS-Extended-Jobs plugins
Command line interface
API Mediation Layer
Web Desktop
Explorer
Advanced COBOL edit/debug
Advanced HLASM edit
Zowe Explorer
Explorer for Endevor
Enterprise support from a trusted mainframe partner
Code4z
30

31.
Thank You