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docs(ha-config-bootstrap): add initial cluster config installation steps

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Rongsong Shen 2026-05-29 10:57:09 +00:00
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.kiro/specs/ha-config-bootstrap/manual-tests.md
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@ -84,6 +84,36 @@ done
> All nodes share the same self-signed cert so they mutually trust each other. > All nodes share the same self-signed cert so they mutually trust each other.
> In production each node has its own cert signed by a shared CA. > In production each node has its own cert signed by a shared CA.
### Initial Cluster Configuration (required)
The controller looks for its cluster config at:
```
{workdir}/{myname}/conf/current ← pointer file (contains the config filename)
{workdir}/{myname}/conf/cluster.bin.<hex_tag> ← actual capnp config blob
```
The `<hex_tag>` is the first 8 bytes of the SHA-256 of the config blob, as 16 hex digits.
**Steps (using your existing config file):**
```bash
# 1. Compute the config tag from your config blob
TAG=$(sha256sum /path/to/your_config.bin | awk '{print $1}' | cut -c1-16)
echo "Config tag: $TAG"
# 2. Install config into each node's workdir
for node in a b c; do
NODE_NAME="ctrl-${node}"
CONF_DIR="/tmp/xce-${node}/${NODE_NAME}/conf"
mkdir -p "$CONF_DIR"
cp /path/to/your_config.bin "${CONF_DIR}/cluster.bin.${TAG}"
printf "cluster.bin.${TAG}" > "${CONF_DIR}/current"
done
```
> The `current` file must contain exactly the filename (no trailing newline,
> no path separators). `printf` (not `echo`) avoids the trailing newline.
### Start the 3-node cluster (3 terminals) ### Start the 3-node cluster (3 terminals)
**Terminal 1 — Node A (priority 0 = highest):** **Terminal 1 — Node A (priority 0 = highest):**