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Speed up VM create with work seeds

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Beat VM create wall time without changing VM semantics.

Generate a work-seed ext4 sidecar during image builds and rootfs rebuilds, then clone and resize that seed for each new VM instead of rebuilding /root from scratch. Plumb the new seed artifact through config, runtime metadata, store state, runtime-bundle defaults, doctor checks, and default-image reconciliation so older images still fall back cleanly.

Add a daemon TAP pool to keep idle bridge-attached devices warm, expose stage timing in lifecycle logs, add a create/SSH benchmark script plus Make target, and teach verify.sh that tap-pool-* devices are reusable capacity rather than cleanup leaks.

Validated with go test ./..., make build, ./verify.sh, and make bench-create ARGS="--runs 2".
This commit is contained in:
Thales Maciel 2026-03-18 21:22:12 -03:00
parent a14a80fd6b
commit c8d9a122f9
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GPG key ID: 33112E6833C34679
24 changed files with 695 additions and 44 deletions
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2
internal/daemon/logger_test.go
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@ -141,7 +141,7 @@ func TestBuildImagePreservesBuildLogOnFailure(t *testing.T) {
}
binDir := t.TempDir()
for _, name := range []string{"sudo", "ip", "pgrep", "chown", "chmod", "kill", "iptables", "sysctl", "e2fsck", "resize2fs"} {
for _, name := range []string{"sudo", "ip", "pgrep", "chown", "chmod", "kill", "iptables", "sysctl", "e2fsck", "resize2fs", "mkfs.ext4", "mount", "umount", "cp"} {
writeFakeExecutable(t, filepath.Join(binDir, name))
}
t.Setenv("PATH", binDir)