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feat: add support for immortal streams to cli and agent #19328

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feat: add support for immortal streams to cli and agent #19328

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@ibetitsmike ibetitsmike commented Aug 12, 2025 •
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Added support for immortal streams to maintain persistent TCP connections to workspace services that automatically reconnect when interrupted.

What changed?

  • Implemented a new immortal streams feature that provides persistent TCP connections to workspace services
  • Created CLI commands for managing immortal streams (coder exp immortal-stream list/delete)
  • Added support for using immortal streams with SSH and port forwarding connections
  • Implemented server-side API endpoints for creating, listing, and deleting immortal streams
  • Added fallback mechanism to regular connections when immortal streams are unavailable

How to test?

  1. Use the experimental CLI commands to manage immortal streams:

    coder exp immortal-stream list <workspace-name>
coder exp immortal-stream delete <workspace-name> <stream-name>

  2. Test SSH with immortal streams:

    coder ssh --immortal <workspace-name>

  3. Test port forwarding with immortal streams:

    coder port-forward --immortal <workspace-name> <local-port>:<remote-port>

  4. Verify automatic reconnection by temporarily disrupting the network connection

Why make this change?

Immortal streams provide a more resilient connection mechanism for workspace services, automatically reconnecting when network interruptions occur. This improves the user experience by maintaining persistent connections to SSH and port-forwarded services, reducing the need for manual reconnection and preventing session loss during temporary network issues.

@ibetitsmike ibetitsmike mentioned this pull request Aug 12, 2025
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ibetitsmike commented Aug 12, 2025 •
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@ibetitsmike ibetitsmike mentioned this pull request Aug 12, 2025
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@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-cli branch 3 times, most recently from 9099850 to 992740a Compare August 13, 2025 14:52
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-agent-api branch 2 times, most recently from 2fbfcb1 to b4276f8 Compare August 15, 2025 00:51
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-cli branch 2 times, most recently from 59b4c90 to 32b88ff Compare August 15, 2025 08:48
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-agent-api branch from b4276f8 to 42450ba Compare August 15, 2025 08:48
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-cli branch from 32b88ff to 405d3d1 Compare August 16, 2025 11:06
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-agent-api branch 2 times, most recently from 0b6e27e to 9bcaa2f Compare August 19, 2025 06:52
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-cli branch from 405d3d1 to 5f740d4 Compare August 19, 2025 06:52
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-agent-api branch from 9bcaa2f to e256a4a Compare August 19, 2025 12:01
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-cli branch from 5f740d4 to 9a3fc9f Compare August 19, 2025 12:01
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-agent-api branch from e256a4a to 5c50940 Compare August 20, 2025 11:42
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-cli branch from 9a3fc9f to e73338d Compare August 20, 2025 11:42
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-agent-api branch from 5c50940 to c0cba16 Compare August 20, 2025 12:38
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-cli branch 2 times, most recently from 4996ebe to 5ed4b5d Compare August 20, 2025 13:17
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-agent-api branch from 57b8912 to fd99a7f Compare August 25, 2025 20:32
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-cli branch from 5ed4b5d to 5e5d5b5 Compare August 25, 2025 20:32
@github-actions github-actions bot added the stale This issue is like stale bread. label Sep 2, 2025
@github-actions github-actions bot closed this Sep 5, 2025
@ibetitsmike ibetitsmike reopened this Sep 8, 2025
@ibetitsmike ibetitsmike removed the stale This issue is like stale bread. label Sep 8, 2025
@ibetitsmike ibetitsmike changed the title chore: added support for immortal streams to cli and agent chore: add support for immortal streams to cli and agent Sep 8, 2025
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-cli branch from 5e5d5b5 to 1aab8a9 Compare September 8, 2025 08:42
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-agent-api branch from fd99a7f to 4c46fea Compare September 8, 2025 08:42
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-cli branch from 1aab8a9 to cbde135 Compare September 8, 2025 08:54
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-agent-api branch from 4c46fea to e81618b Compare September 8, 2025 08:54
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-cli branch from cbde135 to 9f2715f Compare September 8, 2025 09:18
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-agent-api branch from e81618b to 0f58377 Compare September 8, 2025 09:18
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-cli branch from 9f2715f to 34a68fe Compare September 8, 2025 10:01
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-agent-api branch from 0f58377 to 2173bc4 Compare September 8, 2025 10:01
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-cli branch 2 times, most recently from 75f3712 to 947c75e Compare September 8, 2025 10:37
@ibetitsmike ibetitsmike marked this pull request as ready for review September 8, 2025 10:58
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-cli branch from 387f151 to 72aa4cf Compare September 9, 2025 11:01
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-agent-api branch from c00f439 to dafdb32 Compare September 12, 2025 12:55
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-cli branch from 72aa4cf to 8d68a4f Compare September 12, 2025 12:55
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-agent-api branch from dafdb32 to be330a4 Compare September 12, 2025 12:59
@ibetitsmike ibetitsmike force-pushed the mike/immortal-streams-cli branch from 8d68a4f to 0a3a1b6 Compare September 12, 2025 12:59
@ibetitsmike ibetitsmike changed the title chore: add support for immortal streams to cli and agent feat: add support for immortal streams to cli and agent Sep 12, 2025
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