🔨(CI) add Tilt
Tilt is a tool for local Kubernetes development. It makes it easy to see your changes as you make them, and it rebuilds and redeploys your app as you change it.
This commit is contained in:
Anthony LC
71
bin/Tiltfile
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71
bin/Tiltfile
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load('ext://uibutton', 'cmd_button', 'bool_input', 'location')
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load('ext://namespace', 'namespace_create', 'namespace_inject')
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namespace_create('desk')
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docker_build(
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'localhost:5001/people-backend:latest',
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context='..',
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dockerfile='../Dockerfile',
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only=['./src/backend', './src/mail', './docker'],
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target = 'backend-production',
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live_update=[
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sync('../src/backend', '/app'),
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run(
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'pip install -r /app/requirements.txt',
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trigger=['./api/requirements.txt']
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)
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]
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)
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docker_build(
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'localhost:5001/people-frontend:latest',
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context='..',
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dockerfile='../Dockerfile',
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build_args={'ENV': 'dev'},
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only=['./src/frontend', './src/mail', './docker'],
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target = 'frontend-builder-dev',
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live_update=[
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sync('../src/frontend', '/builder'),
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]
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)
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k8s_yaml(local('cd ../src/helm && helmfile -n desk -e dev template .'))
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migration = '''
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set -eu
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# get k8s pod name from tilt resource name
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POD_NAME="$(tilt get kubernetesdiscovery desk-backend -ojsonpath='{.status.pods[0].name}')"
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kubectl -n desk exec "$POD_NAME" -- python manage.py makemigrations
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'''
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cmd_button('Make migration',
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argv=['sh', '-c', migration],
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resource='desk-backend',
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icon_name='developer_board',
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text='Run makemigration',
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)
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pod_migrate = '''
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set -eu
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# get k8s pod name from tilt resource name
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POD_NAME="$(tilt get kubernetesdiscovery desk-backend -ojsonpath='{.status.pods[0].name}')"
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kubectl -n desk exec "$POD_NAME" -- python manage.py migrate --no-input
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'''
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cmd_button('Migrate db',
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argv=['sh', '-c', pod_migrate],
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resource='desk-backend',
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icon_name='developer_board',
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text='Run database migration',
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)
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pod_add_admin = '''
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set -eu
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# get k8s pod name from tilt resource name
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POD_NAME="$(tilt get kubernetesdiscovery desk-backend -ojsonpath='{.status.pods[0].name}')"
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kubectl -n desk exec "$POD_NAME" -- python manage.py createsuperuser --password admin --admin_email admin@example.com
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'''
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cmd_button('Add admin',
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argv=['sh', '-c', pod_add_admin],
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resource='desk-backend',
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icon_name='developer_board',
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text='Create superadmin',
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)
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102
bin/start-kind.sh
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102
bin/start-kind.sh
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#!/bin/sh
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set -o errexit
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CURRENT_DIR=$(pwd)
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# 0. Create ca
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echo "0. Create ca"
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mkcert -install
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cd /tmp
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mkcert "127.0.0.1.nip.io" "*.127.0.0.1.nip.io"
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cd $CURRENT_DIR
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# 1. Create registry container unless it already exists
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echo "1. Create registry container unless it already exists"
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reg_name='kind-registry'
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reg_port='5001'
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if [ "$(docker inspect -f '{{.State.Running}}' "${reg_name}" 2>/dev/null || true)" != 'true' ]; then
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docker run \
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-d --restart=always -p "127.0.0.1:${reg_port}:5000" --network bridge --name "${reg_name}" \
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registry:2
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fi
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# 2. Create kind cluster with containerd registry config dir enabled
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echo "2. Create kind cluster with containerd registry config dir enabled"
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# TODO: kind will eventually enable this by default and this patch will
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# be unnecessary.
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#
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# See:
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# https://github.com/kubernetes-sigs/kind/issues/2875
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# https://github.com/containerd/containerd/blob/main/docs/cri/config.md#registry-configuration
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# See: https://github.com/containerd/containerd/blob/main/docs/hosts.md
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cat <<EOF | kind create cluster --config=-
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kind: Cluster
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apiVersion: kind.x-k8s.io/v1alpha4
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containerdConfigPatches:
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- |-
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[plugins."io.containerd.grpc.v1.cri".registry]
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config_path = "/etc/containerd/certs.d"
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nodes:
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- role: control-plane
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image: kindest/node:v1.27.3
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kubeadmConfigPatches:
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- |
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kind: InitConfiguration
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nodeRegistration:
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kubeletExtraArgs:
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node-labels: "ingress-ready=true"
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extraPortMappings:
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- containerPort: 80
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hostPort: 80
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protocol: TCP
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- containerPort: 443
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hostPort: 443
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protocol: TCP
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- role: worker
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image: kindest/node:v1.27.3
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- role: worker
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image: kindest/node:v1.27.3
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EOF
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# 3. Add the registry config to the nodes
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echo "3. Add the registry config to the nodes"
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#
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# This is necessary because localhost resolves to loopback addresses that are
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# network-namespace local.
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# In other words: localhost in the container is not localhost on the host.
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#
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# We want a consistent name that works from both ends, so we tell containerd to
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# alias localhost:${reg_port} to the registry container when pulling images
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REGISTRY_DIR="/etc/containerd/certs.d/localhost:${reg_port}"
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for node in $(kind get nodes); do
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docker exec "${node}" mkdir -p "${REGISTRY_DIR}"
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cat <<EOF | docker exec -i "${node}" cp /dev/stdin "${REGISTRY_DIR}/hosts.toml"
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[host."http://${reg_name}:5000"]
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EOF
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done
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# 4. Connect the registry to the cluster network if not already connected
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echo "4. Connect the registry to the cluster network if not already connected"
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# This allows kind to bootstrap the network but ensures they're on the same network
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if [ "$(docker inspect -f='{{json .NetworkSettings.Networks.kind}}' "${reg_name}")" = 'null' ]; then
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docker network connect "kind" "${reg_name}"
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fi
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# 5. Document the local registry
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echo "5. Document the local registry"
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# https://github.com/kubernetes/enhancements/tree/master/keps/sig-cluster-lifecycle/generic/1755-communicating-a-local-registry
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cat <<EOF | kubectl apply -f -
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: local-registry-hosting
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namespace: kube-public
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data:
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localRegistryHosting.v1: |
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host: "localhost:${reg_port}"
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help: "https://kind.sigs.k8s.io/docs/user/local-registry/"
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EOF
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kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/main/deploy/static/provider/kind/deploy.yaml
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kubectl -n ingress-nginx create secret tls mkcert --key /tmp/127.0.0.1.nip.io+1-key.pem --cert /tmp/127.0.0.1.nip.io+1.pem
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kubectl -n ingress-nginx patch deployments.apps ingress-nginx-controller --type 'json' -p '[{"op": "add", "path": "/spec/template/spec/containers/0/args/-", "value":"--default-ssl-certificate=ingress-nginx/mkcert"}]'
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