get-kubeconfig.sh

#!/bin/bash
# Usage: ./get_kubeconfig.sh 

SERVER_IP=$(terraform output -raw k3s_server_node_ip)
KUBECONFIG_PATH=kubeconfig.secret.yaml
MAX_ATTEMPTS=10
SLEEP_SECONDS=10

# Attempt to retrieve the file
attempt=0
while [ $attempt -lt $MAX_ATTEMPTS ]; do
  ((attempt++))
  echo "Attempt $attempt of $MAX_ATTEMPTS"
  scp -o StrictHostKeyChecking=no root@"$SERVER_IP":/etc/rancher/k3s/k3s.yaml "$KUBECONFIG_PATH" && break
  echo "Attempt $attempt failed, retrying in $SLEEP_SECONDS seconds..."
  sleep $SLEEP_SECONDS
done

# Check if successful
if [ $attempt -eq $MAX_ATTEMPTS ]; then
  echo "Failed to retrieve file after $MAX_ATTEMPTS attempts."
else
  echo "File successfully retrieved."
fi

# Replace localhost with remote IP
yq eval ".clusters[].cluster.server = \"https://${SERVER_IP}:6443\"" -i $KUBECONFIG_PATH 
# Replace cluster name with k3s_dev_cluster in clusters and contexts
yq eval ".clusters[].name = \"k3s_dev_cluster\"" -i $KUBECONFIG_PATH
yq eval ".contexts[].context.cluster = \"k3s_dev_cluster\"" -i $KUBECONFIG_PATH
# Replace user name with k3s_dev_webstra in users and contexts
yq eval ".users[].name = \"k3s_dev_webstra\"" -i $KUBECONFIG_PATH
yq eval ".contexts[].context.user = \"k3s_dev_webstra\"" -i $KUBECONFIG_PATH
# Replace context name with k3s_dev_cluster
yq eval ".contexts[].name = \"k3s_dev_cluster\"" -i $KUBECONFIG_PATH
# Replace current context with k3s_dev_cluster
yq eval ".current-context = \"k3s_dev_cluster\"" -i $KUBECONFIG_PATH

kubectl konfig import -s $KUBECONFIG_PATH
rm *.secret.yaml