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port_forwarding: Forward prometheus port for each replica #17

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Nov 5, 2024
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port_forwarding: Forward prometheus port for each replica #17

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4 changes: 2 additions & 2 deletions local-k8s.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -105,7 +105,7 @@ function upgrade() {
kubectl wait sts/weaviate -n weaviate --for jsonpath='{.status.readyReplicas}'=${REPLICAS} --timeout=${TIMEOUT}
echo_green "upgrade # Waiting for rollout upgrade to be over"
kubectl -n weaviate rollout status statefulset weaviate
port_forward_to_weaviate
port_forward_to_weaviate $REPLICAS
wait_weaviate
wait_for_other_services

Expand Down Expand Up @@ -180,7 +180,7 @@ EOF
TIMEOUT=$(get_timeout)
echo_green "setup # Waiting (with timeout=$TIMEOUT) for Weaviate $REPLICAS node cluster to be ready"
kubectl wait sts/weaviate -n weaviate --for jsonpath='{.status.readyReplicas}'=${REPLICAS} --timeout=${TIMEOUT}
port_forward_to_weaviate
port_forward_to_weaviate $REPLICAS
wait_weaviate
wait_for_other_services

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6 changes: 6 additions & 0 deletions utilities/helpers.sh
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Expand Up @@ -153,6 +153,7 @@ function wait_for_raft_sync() {
}

function port_forward_to_weaviate() {
replicas=$1
echo_green "Port-forwarding to Weaviate cluster"
# Install kube-relay tool to perform port-forwarding
# Check if kubectl-relay binary is available
Expand Down Expand Up @@ -197,6 +198,11 @@ function port_forward_to_weaviate() {

/tmp/kubectl-relay sts/weaviate -n weaviate ${WEAVIATE_METRICS}:2112 &> /tmp/weaviate_metrics_frwd.log &

# Loop over replicas and port-forward to each node to port ${WEAVIATE_METRICS} + i
for i in $(seq 0 $((replicas-1))); do
/tmp/kubectl-relay pod/weaviate-$i -n weaviate $((WEAVIATE_METRICS+1+i)):2112 &> /tmp/weaviate_metrics_frwd_${i}.log &
done

if [[ $OBSERVABILITY == "true" ]]; then
/tmp/kubectl-relay svc/prometheus-grafana -n monitoring ${GRAFANA_PORT}:80 &> /tmp/grafana_frwd.log &

Expand Down
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