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Add vsock-backed SSH session reminders

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Remind users when a VM is still running after 	hanger vm ssh exits instead of silently dropping them back to the host shell.\n\nAttach a Firecracker vsock device to each VM, persist the host vsock path/CID,\nadd a new guest-side banger-vsock-pingd responder to the runtime bundle and both\nimage-build paths, and expose a vm.ping RPC that the CLI and TUI call after SSH\nreturns. Doctor and start/build preflight now validate the helper plus\n/dev/vhost-vsock so the feature fails early and clearly.\n\nValidated with go mod tidy, bash -n customize.sh, git diff --check, make build,\nand GOCACHE=/tmp/banger-gocache go test ./... outside the sandbox because the\ndaemon tests need real Unix/UDP sockets. Rebuild the image/rootfs used for new\nVMs so the guest ping service is present.
This commit is contained in:
Thales Maciel 2026-03-18 20:14:51 -03:00
parent 4930d82cb9
commit 08ef706e3f
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GPG key ID: 33112E6833C34679
31 changed files with 912 additions and 75 deletions
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runtime-bundle.toml
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@ -10,6 +10,7 @@ required_paths = [
"customize.sh",
"packages.sh",
"namegen",
"banger-vsock-pingd",
"packages.apt",
"id_ed25519",
"rootfs-docker.ext4",
@ -23,6 +24,7 @@ firecracker_bin = "firecracker"
ssh_key_path = "id_ed25519"
namegen_path = "namegen"
customize_script = "customize.sh"
vsock_ping_helper_path = "banger-vsock-pingd"
default_packages_file = "packages.apt"
default_rootfs = "rootfs-docker.ext4"
default_kernel = "wtf/root/boot/vmlinux-6.8.0-94-generic"