kacerr/firecracker-orchestrator
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feat: add serial console access via PTY + Unix socket proxy

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Each spawned clone now runs under a _console-proxy daemon that connects
firecracker's ttyS0 (stdin/stdout) to a PTY and serves it on a Unix
socket at clones/<id>/console.sock for the VM's lifetime.

  sudo ./fc-orch spawn 1
  sudo ./fc-orch console 1   # Ctrl+] to detach

spawnOne delegates VM startup to the proxy process (Setsid, detached)
and waits for console.sock to appear before returning. Kill continues
to work via PID files — proxy and firecracker PIDs are both recorded.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Honza Novak
2026-04-13 10:24:09 +00:00
parent 04067f7e6b
commit 9089cbdbe9
6 changed files with 437 additions and 97 deletions
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6
go.mod
View File

@@ -1,6 +1,6 @@
module github.com/kacerr/fc-orchestrator
go 1.23
go 1.25.0
require (
github.com/firecracker-microvm/firecracker-go-sdk v1.0.0
@@ -14,6 +14,7 @@ require (
github.com/containerd/fifo v1.0.0 // indirect
github.com/containernetworking/cni v1.0.1 // indirect
github.com/containernetworking/plugins v1.0.1 // indirect
github.com/creack/pty v1.1.24 // indirect
github.com/go-openapi/analysis v0.21.2 // indirect
github.com/go-openapi/errors v0.20.2 // indirect
github.com/go-openapi/jsonpointer v0.19.5 // indirect
@@ -38,7 +39,8 @@ require (
github.com/vishvananda/netns v0.0.0-20210104183010-2eb08e3e575f // indirect
go.mongodb.org/mongo-driver v1.8.3 // indirect
golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd // indirect
golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
golang.org/x/sys v0.43.0 // indirect
golang.org/x/term v0.42.0 // indirect
golang.org/x/text v0.3.7 // indirect
gopkg.in/yaml.v2 v2.4.0 // indirect
)