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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
README.md
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@ -51,12 +51,12 @@ Copy `.env.example` to `.env` and edit:
DATABASE_URL=postgres://wrenn:wrenn@localhost:5432/wrenn?sslmode=disable
# Control plane
CP_LISTEN_ADDR=:8000
WRENN_CP_LISTEN_ADDR=:8000
CP_HOST_AGENT_ADDR=http://localhost:50051
# Host agent
AGENT_LISTEN_ADDR=:50051
AGENT_FILES_ROOTDIR=/var/lib/wrenn
WRENN_HOST_LISTEN_ADDR=:50051
WRENN_DIR=/var/lib/wrenn
```
### Run
@ -69,7 +69,7 @@ make migrate-up
./builds/wrenn-cp
```
Control plane listens on `CP_LISTEN_ADDR` (default `:8000`).
Control plane listens on `WRENN_CP_LISTEN_ADDR` (default `:8000`).
### Host registration
@ -87,16 +87,16 @@ Hosts must be registered with the control plane before they can serve sandboxes.
2. **Start the host agent** with the registration token and its externally-reachable address:
```bash
sudo AGENT_CP_URL=http://cp-host:8000 \
sudo WRENN_CP_URL=http://cp-host:8000 \
./builds/wrenn-agent \
--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 `$AGENT_FILES_ROOTDIR/host-token`.
On first startup the agent sends its specs (arch, CPU, memory, disk) to the control plane, receives a long-lived host JWT, and saves it to `$WRENN_DIR/host-token`.
3. **Subsequent startups** don't need `--register` — the agent loads the saved JWT automatically:
```bash
sudo AGENT_CP_URL=http://cp-host:8000 \
sudo WRENN_CP_URL=http://cp-host:8000 \
./builds/wrenn-agent --address 10.0.1.5:50051
```
@ -107,7 +107,7 @@ Hosts must be registered with the control plane before they can serve sandboxes.
```
Then restart the agent with the new token.
The agent sends heartbeats to the control plane every 30 seconds. Host agent listens on `AGENT_LISTEN_ADDR` (default `:50051`).
The agent sends heartbeats to the control plane every 30 seconds. Host agent listens on `WRENN_HOST_LISTEN_ADDR` (default `:50051`).
### Rootfs images