wrenn/sandbox
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Consolidate host agent path env vars into single AGENT_FILES_ROOTDIR

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Replace AGENT_KERNEL_PATH, AGENT_IMAGES_PATH, AGENT_SANDBOXES_PATH,
AGENT_SNAPSHOTS_PATH, and AGENT_TOKEN_FILE with a single
AGENT_FILES_ROOTDIR (default /var/lib/wrenn) that derives all
subdirectory paths automatically.
This commit is contained in:
Rafeed M. Bhuiyan
2026-03-17 05:59:26 +06:00
parent 2c66959b92
commit 866f3ac012
4 changed files with 17 additions and 21 deletions
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9
README.md
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@ -35,6 +35,9 @@ mkdir -p /var/lib/wrenn/images
# Sandbox working directory
mkdir -p /var/lib/wrenn/sandboxes
# Snapshots directory
mkdir -p /var/lib/wrenn/snapshots
# Enable IP forwarding
sysctl -w net.ipv4.ip_forward=1
```
@ -53,9 +56,7 @@ CP_HOST_AGENT_ADDR=http://localhost:50051
# Host agent
AGENT_LISTEN_ADDR=:50051
AGENT_KERNEL_PATH=/var/lib/wrenn/kernels/vmlinux
AGENT_IMAGES_PATH=/var/lib/wrenn/images
AGENT_SANDBOXES_PATH=/var/lib/wrenn/sandboxes
AGENT_FILES_ROOTDIR=/var/lib/wrenn
```
### Run
@ -91,7 +92,7 @@ Hosts must be registered with the control plane before they can serve sandboxes.
--register <token-from-step-1> \
--address 10.0.1.5:50051
```
On first startup the agent sends its specs (arch, CPU, memory, disk) to the control plane, receives a long-lived host JWT, and saves it to `AGENT_TOKEN_FILE` (default `/var/lib/wrenn/host-token`).
On first startup the agent sends its specs (arch, CPU, memory, disk) to the control plane, receives a long-lived host JWT, and saves it to `$AGENT_FILES_ROOTDIR/host-token`.
3. **Subsequent startups** don't need `--register` — the agent loads the saved JWT automatically:
```bash