Takashi Kajinami
Telemetry Core Reviewer at OpenStack
Tokyo, Japan
Summary
🤩
Rockstar🎓
Top SchoolTakashi Kajinami is a seasoned OpenStack core reviewer and cloud engineer with 12 years of experience, currently leading multiple OpenStack projects (Heat, Storlets, Puppet OpenStack) and serving as Telemetry and Zaqar core reviewer. He blends deep backend and DevOps expertise—contributing across major OpenStack components (Nova, Neutron, Cinder, Swift, Glance, Octavia, Ceilometer, Horizon) and improving deployment tooling like TripleO and Packstack—to keep large distributed cloud platforms stable and modern. Known for pragmatic refactors, deprecation cleanups, and safety-minded changes (e.g., masking secrets and enforcing yaml.SafeLoader), he focuses on maintainability, testability, and deployment reliability. Based in Tokyo, he pairs open-source leadership with industry experience at Red Hat and NTT DATA, and currently researches confidential computing and secure cloud workloads. An uncommon strength: he moves fluently between code fixes, release liaison duties, and operational deployment constraints, ensuring upstream changes translate into safer downstream products.
12 years of coding experience
11 years of employment as a software developer
University of Tokyo
English, Japanese
Github Skills (56)
debugging10
puppeteer10
dep10
python10
apidoc10
package-management10
back-end-development10
puppet10
django10
testing10
cinder10
configuration-management10
linux10
object-storage10
software-quality10
Programming languages (13)
Github contributions (5)
openstack-archive/tripleo-heat-templates
Mar 2019 - Jan 2023
RETIRED, Heat templates for deploying OpenStack. Mirror of code maintained at opendev.org.
Role in this project:
DevOps Engineer
DevOps EngineerContributions:647 commits in 3 years 11 months
Contributions summary:Takashi's primary contribution centers on enhancing code quality and maintainability within the project. This includes enforcing PEP8/pyflakes rules to improve code readability across python codes, thereby streamlining the development process. The user also addresses YAML parsing issues by implementing `yaml.SafeLoader` and using context managers for file operations, which ensures safer and more efficient file handling. Furthermore, the user's commits demonstrate a focus on automating the validation of configuration files, which would benefit continuous integration, deployment, and maintenance of the project.
openstack
redhat-openstack/packstack
Apr 2021 - Oct 2022
Install utility to deploy OpenStack on multiple hosts. This is the GitHub mirror for https://opendev.org/x/packstack.
Role in this project:DevOps Engineer
DevOps EngineerContributions:33 commits in 1 year 5 months
Contributions summary:Takashi primarily focused on improving the deployment and configuration of OpenStack services within the Packstack project. They made several commits to refactor and modernize the Puppet manifests used for OpenStack deployment, addressing deprecated parameters and classes, and using more current best practices. They introduced ordering constraints to ensure RabbitMQ was running before other OpenStack services started and updated endpoint configurations for services like Placement. The user consistently made modifications related to service dependencies and the overall structure of the OpenStack deployment manifests.
openstack
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