[Nexthop] Distro CLI image command #977
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travisb-nexthop wants to merge 2 commits intofacebook:mainfrom
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[Nexthop] Distro CLI image command #977travisb-nexthop wants to merge 2 commits intofacebook:mainfrom
travisb-nexthop wants to merge 2 commits intofacebook:mainfrom
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The Distro CLI getip and ssh commands make a best-effort attempt to determine an IP for the given switch based on its MAC address and then either return that IP or directly ssh to it. It does so by connecting to the Distro Infra container and checking on the configured interface for pre-existing IP neighbor/ARP entries. If no such entries are found it will attempt a subnet ping to refresh the Linux kernel neighbor entries. In most cases this is sufficient after the system has PXE booted and therefore the neighbor cache is filled. Testing is as easy as starting the Distro Infra container: ``` $ ./distro_infra.sh --intf eth1 --persist-dir data ``` Then running the fboss-image device getip command with the appropriate MAC address: ``` $ ./fboss-image device dc:da:4d:fc:ad:2d getip [0.00s] Getting IP for device dc:da:4d:fc:ad:2d 10.250.33.2 ```
The fboss-image device image command configures the Distro Infrastructure to PXE boot the given image file for the given device on the next reboot. This replaces the manual steps previously necessary with the MVP Distro Infrastucture. Testing: ``` $ ./fboss-image device dc:da:4d:fc:ad:2d image nh-fboss-broadcom-xgs.tar [0.00s] Setting image for device dc:da:4d:fc:ad:2d: nh-fboss-broadcom-xgs.tar [0.07s] Using persistent directory: /home/travisb/work/upstream/fboss/fboss-image/distro_infra/data [0.07s] Extracting image tarball to /home/travisb/work/upstream/fboss/fboss-image/distro_infra/data/dc-da-4d-fc-ad-2d... [1.96s] Image extracted successfully to /home/travisb/work/upstream/fboss/fboss-image/distro_infra/data/dc-da-4d-fc-ad-2d [1.96s] Enabling PXE boot for MAC address: dc-da-4d-fc-ad-2d [2.09s] Successfully configured device dc:da:4d:fc:ad:2d with image nh-fboss-broadcom-xgs.tar [2.09s] Device is ready for PXE boot ``` Then watch the switch PXE boot on the next boot: ``` >>Checking Media Presence...... >>Media Present...... >>Start PXE over IPv6 on MAC: DC-DA-4D-FC-AD-2D. Press ESC key to abort PXE boot.. Station IP address is FC00:33:0:0:0:FB05:5030:774C Server IP address is FC00:33:0:0:0:0:0:1000 NBP filename is ipxev6.efi NBP filesize is 1158144 Bytes >>Checking Media Presence...... >>Media Present...... Downloading NBP file... NBP file downloaded successfully. iPXE initialising devices... ```
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This is stacked on top of #975 |
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Pre-submission checklist
pip install -r requirements-dev.txt && pre-commit installpre-commit runSummary
The fboss-image device image command configures the Distro
Infrastructure to PXE boot the given image file for the given device
on the next reboot.
This replaces the manual steps previously necessary with the MVP
Distro Infrastructure.
Test Plan
Then watch the switch PXE boot on the next boot: