From 3da2b57b3f979056f07578a7865ff3ad84010f6e Mon Sep 17 00:00:00 2001
From: Thomas E Lackey <telackey@bozemanpass.com>
Date: Fri, 2 Feb 2024 19:39:21 -0600
Subject: [PATCH] Basic docker/k8s setup.

---
 Dockerfile         | 42 ++++++++++++++++++++++
 docker-compose.yml | 14 ++++++++
 run.sh             | 89 ++++++++++++++++++++++++++++++++++++++++++++++
 src/config.ts      |  4 +--
 storage.conf       |  6 ++++
 5 files changed, 153 insertions(+), 2 deletions(-)
 create mode 100644 Dockerfile
 create mode 100644 docker-compose.yml
 create mode 100755 run.sh
 create mode 100644 storage.conf

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..a142890
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,42 @@
+FROM ubuntu:22.04
+
+RUN apt update && \
+      apt install -y --no-install-recommends --no-install-suggests \
+      netcat-traditional ca-certificates curl gnupg git podman fuse-overlayfs iproute2
+
+# Node
+ARG NODE_MAJOR=20
+RUN curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg && \
+      echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_$NODE_MAJOR.x nodistro main" | tee /etc/apt/sources.list.d/nodesource.list && \
+      apt update && apt install -y nodejs
+
+# kubectl
+RUN curl -LO https://storage.googleapis.com/kubernetes-release/release/`curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt`/bin/linux/amd64/kubectl && \
+      chmod +x ./kubectl && \
+      mv ./kubectl /usr/bin/kubectl
+
+# laconic-so
+RUN curl -LO https://github.com/cerc-io/stack-orchestrator/releases/latest/download/laconic-so && \
+      chmod +x ./laconic-so && \
+      mv ./laconic-so /usr/bin/laconic-so
+
+# laconic-registry-cli
+RUN npm config set @cerc-io:registry https://git.vdb.to/api/packages/cerc-io/npm/ && \
+      npm install -g @cerc-io/laconic-registry-cli && \
+      npm install -g yarn
+
+# symlink podman to docker
+RUN ln -s $(which podman) $(dirname `which podman`)/docker
+
+RUN mkdir -p /srv/containers/podman
+
+COPY storage.conf /etc/containers
+
+RUN mkdir -p /app
+
+COPY . /app/
+WORKDIR /app/
+RUN rm -rf node_modules && yarn && yarn clean && yarn build:release
+
+COPY run.sh .
+CMD ["./run.sh"]
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..c7c524e
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,14 @@
+
+services:
+  server:
+    image: cerc/webapp-deployer-backend:local
+    restart: always
+    volumes:
+      - containers:/srv/containers/podman
+      - config:/etc/config:ro
+    ports:
+      - 9555
+
+volumes:
+  config:
+  containers:
diff --git a/run.sh b/run.sh
new file mode 100755
index 0000000..1d5e3ab
--- /dev/null
+++ b/run.sh
@@ -0,0 +1,89 @@
+#!/bin/bash
+
+if [ -z "$DEPLOYMENT_DNS_SUFFIX" ]; then
+  echo "DEPLOYMENT_DNS_SUFFIX is required."
+  exit 2
+fi
+
+if [ -z "$DEPLOYMENT_RECORD_NAMESPACE" ]; then
+  echo "DEPLOYMENT_RECORD_NAMESPACE is required."
+  exit 2
+fi
+
+if [ -z "$IMAGE_REGISTRY" ]; then
+  echo "IMAGE_REGISTRY is required."
+  exit 2
+fi
+
+if [ ! -f "/etc/config/laconic.yml" ]; then
+  echo "/etc/config/laconic.yml is required."
+  exit 2
+fi
+
+if [ ! -f "/etc/config/kube.yml" ]; then
+  echo "/etc/config/kube.yml is required."
+  exit 2
+fi
+
+if [ ! -z "$IMAGE_REGISTRY_CREDS" ]; then
+  docker login --password "$IMAGE_REGISTRY_CREDS" --username ${IMAGE_REGISTRY_USER:-ANY} $IMAGE_REGISTRY
+fi
+
+function is_privileged {
+  ip link add dummy0 type dummy >/dev/null
+  if [[ $? -eq 0 ]]; then
+    echo "true"
+    ip link delete dummy0 >/dev/null
+  else
+    echo "false"
+  fi
+}
+
+if [[ "true" == "`is_privileged`" ]]; then
+  echo "Using 'overlay' storage driver."
+else
+  echo "Using 'vfs' storage driver."
+  sed -i 's/"overlay"/"vfs"/g' /etc/containers/storage.conf
+fi
+
+if [ ! -d "/srv/deployments/webapps" ]; then
+  mkdir -p /srv/deployments/webapps
+fi
+
+if [ "$CLEAN_STATE" == "true" ]; then
+  echo "Removing existing state..."
+  rm -f /srv/deployments//webapps/*.state
+fi
+
+echo "Starting API"
+cd /app/
+yarn start &
+
+while true; do
+  echo "=============================================================="
+
+  echo "########### UNDEPLOY ############"
+  laconic-so undeploy-webapp-from-registry \
+    --laconic-config /etc/config/laconic.yml \
+    --deployment-parent-dir /srv/deployments/webapps \
+    --delete-names \
+    --delete-volumes \
+    --state-file /srv/deployments/webapps/autoremove.state \
+    --discover
+
+  echo "############ DEPLOY #############"
+  laconic-so deploy-webapp-from-registry \
+    --kube-config /etc/config/kube.yml \
+    --laconic-config /etc/config/laconic.yml \
+    --image-registry ${IMAGE_REGISTRY} \
+    --deployment-parent-dir /srv/deployments/webapps \
+    --dns-suffix ${DEPLOYMENT_DNS_SUFFIX} \
+    --record-namespace-dns crn://${DEPLOYMENT_RECORD_NAMESPACE}/dns \
+    --record-namespace-deployments crn://${DEPLOYMENT_RECORD_NAMESPACE}/deployments \
+    --state-file /srv/deployments/webapps/autodeploy.state \
+    --discover
+
+  # Cleanup any build leftovers
+  podman system prune --all --force
+  sleep 15
+done
diff --git a/src/config.ts b/src/config.ts
index d69f201..7d6d6be 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -12,8 +12,8 @@ const loadConfigFile = (configFilePath: string): any => {
 export const Config = {
   LISTEN_PORT: parseInt(process.env.LISTEN_PORT || '9555'),
   LISTEN_ADDR: process.env.LISTEN_ADDR || '0.0.0.0',
-  LACONIC_CONFIG: process.env.LACONIC_CONFIG || `${process.env.HOME}/.laconic/config.yml`,
-  DEPLOYER_STATE: process.env.DEPLOYER_STATE
+  LACONIC_CONFIG: process.env.LACONIC_CONFIG || '/etc/config/laconic.yml',
+  DEPLOYER_STATE: process.env.DEPLOYER_STATE || '/srv/deployments/webapps/autodeploy.state'
 };
 
 
diff --git a/storage.conf b/storage.conf
new file mode 100644
index 0000000..7effdbc
--- /dev/null
+++ b/storage.conf
@@ -0,0 +1,6 @@
+[storage]
+driver = "overlay"
+runroot = "/srv/containers/podman/run"
+graphroot = "/srv/containers/podman/storage"
+[storage.options.overlay]
+mount_program = "/usr/bin/fuse-overlayfs"