microcloud/charms/setup: local image server for faster development it…

…erations

Signed-off-by: Gabriel Mougard <gabriel.mougard@canonical.com>

microcloud/charms/setup/local-maas-image-server/Dockerfile

@@ -0,0 +1,3 @@
+FROM nginx:latest
+
+COPY nginx.conf /etc/nginx/nginx.conf

microcloud/charms/setup/local-maas-image-server/nginx.conf

@@ -0,0 +1,47 @@
+worker_processes  1;
+
+error_log  /var/log/nginx/error.log warn;
+pid        /var/run/nginx.pid;
+
+events {
+    worker_connections  1024;
+}
+
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    # Improve performance by turning on sendfile and adjusting other parameters
+    sendfile        on;
+    tcp_nopush      on;
+    tcp_nodelay     on;
+    keepalive_timeout  65;
+    client_max_body_size 5g;
+
+    # Compression reduces the response size and improves the speed
+    gzip  on;
+    gzip_min_length 10240;
+    gzip_proxied expired no-cache no-store private auth;
+    gzip_types text/plain text/css text/xml text/javascript application/x-javascript application/xml;
+    gzip_disable "MSIE [1-6]\.";
+
+    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+                      '$status $body_bytes_sent "$http_referer" '
+                      '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log  /var/log/nginx/access.log  main;
+
+    server {
+        listen 80;
+        server_name 0.0.0.0;
+
+        # Point to the Simplestreams data directory
+        root /usr/share/maas/images/ephemeral-v3/stable;
+
+        location / {
+            expires 30d;
+            add_header Cache-Control "public, max-age=2592000";
+            try_files $uri $uri/ =404;
+        }
+    }
+}

microcloud/charms/setup/local-maas-image-server/run.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+HOST_PATH="/usr/share/maas/images"
+
+if [ ! -d "$HOST_PATH" ]; then
+    echo "Warning: Directory $HOST_PATH does not exist. Creating folder..."
+    sudo mkdir -p $HOST_PATH
+fi
+
+KEYRING_FILE=/usr/share/keyrings/ubuntu-cloudimage-keyring.gpg
+IMAGE_SRC=https://images.maas.io/ephemeral-v3/stable
+IMAGE_DIR=/usr/share/maas/images/ephemeral-v3/stable
+
+sudo sstream-mirror \
+    --keyring=$KEYRING_FILE $IMAGE_SRC $IMAGE_DIR \
+    'arch=amd64' 'release~(jammy)' --max=1 --progress
+
+sudo sstream-mirror \
+    --keyring=$KEYRING_FILE $IMAGE_SRC $IMAGE_DIR \
+    'os~(grub*|pxelinux)' --max=1 --progress
+
+docker build -t nginx-maas-image-server .
+docker run --name local-maas-image-server \
+    -d -p 5000:80 \
+    -v $HOST_PATH/ephemeral-v3/stable:/usr/share/maas/images/ephemeral-v3/stable \
+    nginx-maas-image-server