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fix(failure using ipv6 in tests): fix controller addresses resolution #1020

fix(failure using ipv6 in tests): fix controller addresses resolution

fix(failure using ipv6 in tests): fix controller addresses resolution #1020

Workflow file for this run

name: Tunnel to Juju controller via load balancer on k8s
on:
pull_request:
paths-ignore:
- "README.md"
- "project-docs/**"
push:
branches:
- "main"
paths-ignore:
- "README.md"
- "project-docs/**"
# Testing only needs permissions to read the repository contents.
permissions:
contents: read
jobs:
# Ensure project builds before running testing matrix
build:
name: Build
runs-on: ubuntu-latest
timeout-minutes: 5
steps:
- uses: actions/checkout@v4
- uses: actions/setup-go@v5
with:
go-version-file: "go.mod"
cache: true
- run: go build -v .
# Run acceptance tests in a matrix with Terraform CLI versions
add-machine-test:
name: Add Machine
needs: build
runs-on: [self-hosted, jammy, x64]
env:
ACTIONS_ALLOW_IPV6: false
strategy:
fail-fast: false
matrix:
# Only on lxd
cloud:
- "microk8s"
terraform:
- "1.9.*"
timeout-minutes: 60
steps:
- uses: actions/checkout@v4
- uses: actions/setup-go@v5
with:
go-version-file: "go.mod"
cache: true
# set up terraform
- uses: hashicorp/setup-terraform@v3
with:
terraform_version: ${{ matrix.terraform }}
terraform_wrapper: false
# set up snap, lxd, tox, Juju, bootstrap a controller, etc.
- name: Setup operator environment
uses: charmed-kubernetes/actions-operator@main
with:
provider: ${{ matrix.cloud }}
juju-channel: 2.9/stable
- run: go mod download
- name: "Bring up loadbalancer & access via terraform plan"
run: |
echo "Determine Juju details"
CONTROLLER=$(juju whoami --format yaml | yq .controller)
JUJU_AGENT_VERSION=$(juju show-controller | yq .$CONTROLLER.details.agent-version |tr -d '"')
JUJU_USERNAME=$(juju show-controller | yq .$CONTROLLER.account.user)
JUJU_PASSWORD=$(cat ~/.local/share/juju/accounts.yaml | yq .controllers.$CONTROLLER.password)
JUJU_CA_CERT=$(juju show-controller | yq .$CONTROLLER.details.ca-cert | sed ':a;N;$!ba;s/\n/\\n/g')
# Ensure Juju controller name
echo "Controller name: $CONTROLLER"
echo "Juju Username: $JUJU_USERNAME"
# Enable Ingress in MicroK8s
sudo microk8s enable ingress
# Determine a subnet for MetalLB
subnet="$(ip route get 1 | head -n 1 | awk '{print $7}' | awk -F. '{print $1 "." $2 "." $3 ".240/24"}')"
echo "MetalLB subnet: $subnet"
# Add the current user to the microk8s group
echo "Adding current user to the microk8s group"
sudo usermod -a -G microk8s $(whoami)
chown -R $(whoami) ~/.kube
# Apply changes to group membership
newgrp microk8s
/snap/microk8s/current/usr/bin/env
# Enable MetalLB on MicroK8s
sudo microk8s enable metallb:$subnet
namespace="controller-$CONTROLLER"
service_name="controller-service-lb"
# Display services layout
echo "Services layout:"
sudo microk8s.kubectl get services -n $namespace
# Create a LoadBalancer service
sudo microk8s.kubectl apply -f - <<EOF
apiVersion: v1
kind: Service
metadata:
name: $service_name
namespace: $namespace
spec:
ipFamilies:
- IPv4
ipFamilyPolicy: SingleStack
ports:
- name: api-server
port: 17070
protocol: TCP
targetPort: 17070
selector:
app.kubernetes.io/name: controller
sessionAffinity: None
type: LoadBalancer
EOF
echo "Load Balancer service created."
# Display services layout with the Load Balancer
echo "Services layout with the Load Balancer:"
sudo microk8s.kubectl get services -n $namespace
echo "Waiting for external IP for $service_name in $namespace..."
external_ip=""
attempts=0
max_attempts=3
while [ -z "$external_ip" ] && [ "$attempts" -lt "$max_attempts" ]; do
external_ip="$(sudo microk8s.kubectl get service -n "$namespace" "$service_name" -o=jsonpath='{.status.loadBalancer.ingress[0].ip}')"
if [ -z "$external_ip" ]; then
echo "External IP not yet assigned. Waiting..."
attempts=$((attempts + 1))
sleep 5
fi
done
if [ -z "$external_ip" ]; then
echo "External IP not assigned after $max_attempts attempts. Exiting..."
exit 1
else
echo "LoadBalancer service ready at IP: $external_ip"
fi
# Write the Terraform configuration file
echo "
terraform {
required_providers {
juju = {
source = \"juju/juju\"
version = \">= 0.9.1\"
}
}
}
provider \"juju\" {
controller_addresses = \"$external_ip:17070\"
username = \"$JUJU_USERNAME\"
password = \"$JUJU_PASSWORD\"
ca_certificate = \"$JUJU_CA_CERT\"
}
resource \"juju_model\" \"testmodel\" {
name = \"test-model\"
}
resource \"juju_application\" \"testapp\" {
name = \"juju-qa-test\"
model = juju_model.testmodel.name
charm {
name = \"juju-qa-test\"
}
}
" > ./terraform_config.tf
echo "====== Using Terraform Config: ==========="
cat ./terraform_config.tf
echo "=========================================="
# Initialize and apply Terraform
echo "Initializing Terraform..."
terraform init
echo "Planning Terraform changes..."
terraform plan
echo "Applying Terraform changes..."
terraform apply --auto-approve
# Cleanup: Remove Terraform configuration file
rm ./terraform_config.tf