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Test env NATS cluster cut-over

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George Lambert 2026-09-11 23:59:41 -04:00
commit 3eaad04d7b
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scripts/test.sh Executable file
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#!/usr/bin/env bash
# Local syntax check always. Live cluster check when pct is present.
set -euo pipefail
ROOT="$(cd "$(dirname "$0")/.." && pwd)"
bash -n "$ROOT/scripts/lib-ct.sh"
bash -n "$ROOT/scripts/create-cluster.sh"
bash -n "$ROOT/scripts/status.sh"
grep -q 'host: {{IP}}' "$ROOT/conf/nats.conf.tmpl"
grep -qv '0.0.0.0' "$ROOT/conf/nats.conf.tmpl"
if [[ ! -d /etc/pve/nodes ]]; then
echo "OK (syntax; not on Proxmox)"
exit 0
fi
# shellcheck disable=SC1091
. "$ROOT/cluster.env"
export PATH="/usr/sbin:/usr/bin:/bin:$PATH"
mapfile -t rows < <(printf '%s\n' "$NODES" | awk 'NF==3 {print}')
ready=0
for row in "${rows[@]}"; do
# shellcheck disable=SC2086
set -- $row
vmid=$1 name=$2 ip=$3
js="$(sudo pct exec "$vmid" -- curl -fsS --max-time 3 http://127.0.0.1:8222/varz 2>/dev/null || true)"
echo "$js" | grep -q '"jetstream"' && ready=$((ready + 1)) || echo "not ready $name"
done
[[ $ready -eq 3 ]] || { echo "cluster not fully up ($ready/3)" >&2; exit 1; }
# nats CLI on first node
first="$(echo "${rows[0]}" | awk '{print $1}')"
sudo pct exec "$first" -- bash -lc '
set -e
export DEBIAN_FRONTEND=noninteractive
if [[ ! -x /usr/local/bin/nats ]]; then
apt-get install -y --no-install-recommends unzip >/dev/null
curl -fsSL https://github.com/nats-io/natscli/releases/download/v0.1.6/nats-0.1.6-linux-amd64.zip -o /tmp/natscli.zip
rm -rf /tmp/natscli && mkdir -p /tmp/natscli
unzip -o /tmp/natscli.zip -d /tmp/natscli >/dev/null
BIN=$(find /tmp/natscli /tmp -maxdepth 3 -type f -name nats | head -1)
test -n "$BIN"
install -m 0755 "$BIN" /usr/local/bin/nats
fi
IP=$(hostname -I | awk "{print \$1}")
export NATS_URL=nats://$IP:4222
export PATH=/usr/local/bin:/usr/bin:/bin
nats stream rm VERAE_PX_TEST --force >/dev/null 2>&1 || true
nats stream add VERAE_PX_TEST --subjects="verae.px.test" --replicas=3 --storage=file --retention=limits --discard=old --max-msgs=-1 --max-bytes=-1 --max-age=1h --dupe-window=2m --defaults
nats pub verae.px.test cluster-ok
nats stream info VERAE_PX_TEST
'
echo "OK live cluster (3/3 + replicas=3 stream)"