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Rename AGENT_*/CP_LISTEN_ADDR env vars to WRENN_* prefix

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AGENT_FILES_ROOTDIR → WRENN_DIR, AGENT_LISTEN_ADDR → WRENN_HOST_LISTEN_ADDR,
AGENT_CP_URL → WRENN_CP_URL, AGENT_HOST_INTERFACE → WRENN_HOST_INTERFACE,
CP_LISTEN_ADDR → WRENN_CP_LISTEN_ADDR. Consolidates all env vars under a
consistent WRENN_ namespace.
This commit is contained in:
Rafeed M. Bhuiyan
2026-03-29 00:30:20 +06:00
parent 75b28ed899
commit 906cc42d13
6 changed files with 25 additions and 29 deletions
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16
cmd/host-agent/main.go
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@ -45,13 +45,13 @@ func main() {
// Clean up any stale dm-snapshot devices from a previous crash.
devicemapper.CleanupStaleDevices()
listenAddr := envOrDefault("AGENT_LISTEN_ADDR", ":50051")
rootDir := envOrDefault("AGENT_FILES_ROOTDIR", "/var/lib/wrenn")
cpURL := os.Getenv("AGENT_CP_URL")
listenAddr := envOrDefault("WRENN_HOST_LISTEN_ADDR", ":50051")
rootDir := envOrDefault("WRENN_DIR", "/var/lib/wrenn")
cpURL := os.Getenv("WRENN_CP_URL")
tokenFile := filepath.Join(rootDir, "host.jwt")
if cpURL == "" {
slog.Error("AGENT_CP_URL environment variable is required")
slog.Error("WRENN_CP_URL environment variable is required")
os.Exit(1)
}
if *advertiseAddr == "" {
@ -61,17 +61,13 @@ func main() {
// Expand base images to the standard disk size (sparse, no extra physical
// disk). This ensures dm-snapshot sandboxes see the full size from boot.
imagesDir := filepath.Join(rootDir, "images")
if err := sandbox.EnsureImageSizes(imagesDir, sandbox.DefaultDiskSizeMB); err != nil {
if err := sandbox.EnsureImageSizes(rootDir, sandbox.DefaultDiskSizeMB); err != nil {
slog.Error("failed to expand base images", "error", err)
os.Exit(1)
}
cfg := sandbox.Config{
KernelPath: filepath.Join(rootDir, "kernels", "vmlinux"),
ImagesDir: filepath.Join(rootDir, "images"),
SandboxesDir: filepath.Join(rootDir, "sandboxes"),
SnapshotsDir: filepath.Join(rootDir, "snapshots"),
WrennDir: rootDir,
}
mgr := sandbox.New(cfg)