Hitching a ride on a flatcar: a community project update

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Hitching a ride on a ﬂatcar: a community project update Cloud Native Rejekts | Valencia, Spain | 14 May 2022

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Thilo Engineering Manager, Microsoft @ThiloFM Andy Principal Product Manager, Microsoft @andrew_randall

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@ThiloFM @andrew_randall @ﬂatcar #REJEKTS2022

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flatcar /ˈflatkɑː/ noun: a minimal, lightweight foundation for containers @ThiloFM @andrew_randall @flatcar #REJEKTS2022

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Automated, streamlined updates Minimal distro for containers Secure, immutable ﬁle system Declarative provisioning Operational simplicity for security and manageability at scale @ThiloFM @andrew_randall @ﬂatcar #REJEKTS2022

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“Flatcar allows us to start thinking about our bare metal nodes like they’re cloud instances, we can think of them as more ephemeral. It’s really hard to explain, but once you’ve experienced what it’s like to run immutable infrastructure, you never want to go back.” – Nicole Hubbard, Principal Engineer, Equinix Metal

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2013 2017 2018 2014 2015 2016 2019 2020 2021 2009 ・・・ ChromeOS CoreOS Flatcar @ThiloFM @andrew_randall @ﬂatcar #REJEKTS2022

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@ThiloFM @andrew_randall @ﬂatcar #REJEKTS2022

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2013 2017 2018 2014 2015 2016 2019 2020 2021 2009 ・・・ ChromeOS CoreOS Flatcar CoreOS EOL @ThiloFM @andrew_randall @ﬂatcar #REJEKTS2022

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Flatcar Container Linux has a sizeable community of users on Azure, as well as other clouds, and on-premises. We know the CoreOS community has been on a winding journey over the years—we want to assure the Flatcar community that Microsoft and the Kinvolk team will continue to collaborate with the larger Flatcar community on the evolution of Flatcar Container Linux. Microsoft is committed to Flatcar Container Linux community development and will invest in working with the Flatcar community to create a growth path forward together. @ThiloFM @andrew_randall @ﬂatcar #REJEKTS2022

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From Vendor-led to Community-driven Open up builds ease path for new contributors Public team chat (Matrix) Monthly community calls Public release planning calls Security alerts Continued signiﬁcant investment @ThiloFM @andrew_randall @ﬂatcar #REJEKTS2022

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Project Highlights Modernised core packages, including kernel 4.19 → 5.15 Retired edge channel, rkt Simpliﬁed SDK and build automation LTS channel GPU support FIPS mode @ThiloFM @andrew_randall @ﬂatcar #REJEKTS2022 Active upstream engagement (K8s, Gentoo, Fedora CoreOS, …) Cluster API Ignition v3 (with back-compatibility) Cgroups v2 (+ v1 option for back-compatibility) ARM64 (Ampere, Graviton, Azure) EKS worker nodes

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Some Stats ❏ >300 bugs ﬁxed ❏ >250 packages upgraded ❏ 35 major releases ❏ 550 contributor interactions last quarter @ThiloFM @andrew_randall @ﬂatcar #REJEKTS2022

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Flourishing Ecosystem @ThiloFM @andrew_randall @ﬂatcar #REJEKTS2022

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Endpoints contacting public update server (excludes private update servers and those not using automatic updates) @ThiloFM @andrew_randall @ﬂatcar #REJEKTS2022 Growing User Community 47% annual growth Cloud Native Rejekts 2019

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What do folks love about Flatcar? @ThiloFM @andrew_randall @ﬂatcar #REJEKTS2022

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Looking ahead ❏ Systemd-sysext - Torcx replacement, more container runtimes, & more ❏ Supply chain security, TPM2.0 ❏ Slack channel ❏ Growing set of vendors, maintainers, supporters ❏ Neutral governance, foundation home https://github.com/orgs/flatcar-linux/projects/7/views/9 @ThiloFM @andrew_randall @ﬂatcar #REJEKTS2022 Your ideas, enthusiasm, & energy are welcome!