Un-hard-code SSH key name

.drone.yml

@@ -0,0 +1,14 @@
+---
+kind: pipeline
+name: publish docker image
+steps:
+  - name: build and publish
+    image: plugins/docker
+    settings:
+      username:
+        from_secret: docker_reg_username_3wc
+      password:
+        from_secret: docker_reg_passwd_3wc
+      repo: 3wordchant/capsul-flask
+      tags: latest
+

Dockerfile

@@ -0,0 +1,48 @@
+FROM python:3.8-alpine as build
+
+RUN apk add --no-cache \
+    build-base \
+    gcc \
+    gettext \
+    git \
+    jpeg-dev \
+    libffi-dev \
+    libjpeg \
+    musl-dev \
+    postgresql-dev \
+    python3-dev \
+    zlib-dev
+
+RUN mkdir -p /app/{code,venv}
+WORKDIR /app/code
+COPY Pipfile Pipfile.lock /app/code/
+
+RUN python3 -m venv /app/venv
+RUN pip install pipenv setuptools
+ENV PATH="/app/venv/bin:$PATH" VIRTUAL_ENV="/app/venv"
+RUN pip install wheel cppy
+# Install dependencies into the virtual environment with Pipenv
+RUN pipenv install --deploy --verbose
+
+FROM python:3.8-alpine
+
+RUN apk add --no-cache \
+    cloud-utils \
+    libjpeg \
+    libpq \
+    libstdc++ \
+    libvirt-client \
+    openssh-client \
+    virt-install
+
+COPY . /app/code/
+WORKDIR /app/code
+
+COPY --from=build /app/venv /app/venv
+ENV PATH="/app/venv/bin:$PATH" VIRTUAL_ENV="/app/venv"
+
+CMD ["gunicorn", "--bind", "0.0.0.0:5000", "-k", "gevent", "--worker-connections", "1000", "app:app"]
+
+VOLUME /app/code
+
+EXPOSE 5000

capsulflask/__init__.py

@@ -26,8 +26,24 @@ class StdoutMockFlaskMail:
     def send(self, message: Message):
       current_app.logger.info(f"Email would have been sent if configured:\n\nto: {','.join(message.recipients)}\nsubject: {message.subject}\nbody:\n\n{message.body}\n\n")
 
+
 load_dotenv(find_dotenv())
 
+for var_name in [
+  "SPOKE_HOST_TOKEN", "HUB_TOKEN", "STRIPE_SECRET_KEY",
+  "BTCPAY_PRIVATE_KEY", "MAIL_PASSWORD"
+]:
+  var = os.environ.get(f"{var_name}_FILE")
+  if not var:
+    continue
+
+  if not os.path.isfile(var):
+    continue
+
+  with open(var) as secret_file:
+    os.environ[var_name] = secret_file.read().rstrip('\n')
+  del os.environ[f"{var_name}_FILE"]
+
 app = Flask(__name__)
 
 app.config.from_mapping(

capsulflask/hub_api.py

@@ -178,4 +178,4 @@ def on_create_claimed(payload, host_id):
     network_name=payload['network_name'],
     public_ipv4=payload['public_ipv4'],
     ssh_authorized_keys=list(map(lambda x: x["name"], payload['ssh_authorized_keys'])),
-  )
+  )

capsulflask/hub_model.py

@@ -214,12 +214,13 @@ class CapsulFlaskHub(VirtualizationInterface):
       except:
         # no need to do anything here since if it cant be parsed then generic_operation will handle it.
         pass
+
+    if error_message != "":
+      raise ValueError(f"create capsul operation {operation_id} on {assigned_hosts} failed with {error_message}")
       
     if number_of_assigned != 1:
       assigned_hosts_string = ", ".join(assigned_hosts)
       raise ValueError(f"expected create capsul operation {operation_id} to be assigned to one host, it was assigned to {number_of_assigned} ({assigned_hosts_string})")
-    if error_message != "":
-      raise ValueError(f"create capsul operation {operation_id} on {assigned_hosts_string} failed with {error_message}")
       
 
   def destroy(self, email: str, id: str):

capsulflask/shell_scripts/capacity-avaliable.sh

@@ -3,7 +3,7 @@
 # check available RAM and IPv4s
 
 ram_bytes_to_allocate="$1"
-ram_bytes_available=$(grep -E "^(size|memory_available_bytes)" /proc/spl/kstat/zfs/arcstats | awk '{sum+=$3} END {printf "%.0f", sum}')
+ram_bytes_available="$(($(grep Available /proc/meminfo | grep -o '[0-9]*') * 1024))"
 ram_bytes_remainder="$((ram_bytes_available - ram_bytes_to_allocate))"
 
 if echo "$ram_bytes_to_allocate" | grep -vqE "^[0-9]+$"; then
@@ -11,8 +11,8 @@ if echo "$ram_bytes_to_allocate" | grep -vqE "^[0-9]+$"; then
   exit 1
 fi
 
-# 20GB
+# 0.25GB
-if [ "$ram_bytes_remainder" -le $((20 * 1024 * 1024 * 1024)) ]; then
+if [ "$ram_bytes_remainder" -le $((1 * 1024 * 1024 * 1024 / 4)) ]; then
   echo "VM is requesting more RAM than $(hostname -f) has available."
   echo "Bytes requested: $ram_bytes_to_allocate"
   echo "Bytes available: $ram_bytes_available"

capsulflask/shell_scripts/create.sh

@@ -6,6 +6,7 @@
 
 vmname="$1"
 template_file="/tank/img/$2"
+qemu_tank_dir="/tank"
 vcpus="$3"
 memory="$4"
 pubkeys="$5"
@@ -50,40 +51,40 @@ if echo "$public_ipv4" | grep -vqE "^[0-9.]+$"; then
   exit 1
 fi
 
-disk="/tank/vm/$vmname.qcow2"
+disk="$vmname.qcow2"
-cdrom="/tank/vm/$vmname.iso"
+cdrom="$vmname.iso"
-xml="/tank/vm/$vmname.xml"
+xml="$vmname.xml"
 
 if [ -f /tank/vm/$vmname.qcow2 ]; then
     echo "Randomly generated name matched an existing VM! Odds are like one in a billion. Buy a lotto ticket."
     exit 1
 fi
 
-cp "$template_file" "$disk"
+cp "$template_file" "/tank/vm/$disk"
 cp /tank/config/cyberia-cloudinit.yml /tmp/cloudinit.yml
 echo "$pubkeys" | while IFS= read -r line; do
   echo "      - $line" >> /tmp/cloudinit.yml
 done
 
-cloud-localds "$cdrom" /tmp/cloudinit.yml
+cloud-localds "/tank/vm/$cdrom" /tmp/cloudinit.yml
 
-qemu-img resize "$disk" "$root_volume_size"
+qemu-img resize "/tank/vm/$disk" "$root_volume_size"
 virt-install \
     --memory "$memory" \
     --vcpus "$vcpus" \
     --name "$vmname" \
-    --disk "$disk",bus=virtio \
+    --disk "$qemu_tank_dir/vm/$disk",bus=virtio \
-    --disk "$cdrom",device=cdrom \
+    --disk "$qemu_tank_dir/vm/$cdrom",device=cdrom \
     --os-type Linux \
     --os-variant generic \
     --virt-type kvm \
     --graphics vnc,listen=127.0.0.1 \
-    --network network=$network_name,filterref=clean-traffic,model=virtio \
+    --network network=$network_name,model=virtio \
     --import \
-    --print-xml > "$xml"
+    --print-xml > "/tank/vm/$xml"
 
-chmod 0600 "$xml" "$disk" "$cdrom"
+chmod 0600 "/tank/vm/$xml" "/tank/vm/$disk" "/tank/vm/$cdrom"
-virsh define "$xml"
+virsh define "/tank/vm/$xml"
 virsh start "$vmname"
 
 echo "success"

docker-compose.yml

@@ -0,0 +1,38 @@
+---
+version: "3.8"
+
+services:
+  app:
+    image: 3wordchant/capsul-flask:latest
+    build: .
+    volumes:
+      - "./:/app/code"
+      - "../tank:/tank"
+      - "/var/run/libvirt/libvirt-sock:/var/run/libvirt/libvirt-sock"
+    depends_on:
+      - db
+    ports:
+      - "5000:5000"
+    environment:
+      - "POSTGRES_CONNECTION_PARAMETERS=host=db port=5432 user=capsul password=capsul dbname=capsul"
+      - SPOKE_MODEL=shell-scripts
+        #- FLASK_DEBUG=1
+      - BASE_URL=http://localhost:5000
+      - ADMIN_PANEL_ALLOW_EMAIL_ADDRESSES=3wc.capsul@doesthisthing.work
+      - VIRSH_DEFAULT_CONNECT_URI=qemu:///system
+    # The image uses gunicorn by default, let's override it with Flask's
+    # built-in development server
+    command: ["flask", "run", "-h", "0.0.0.0", "-p", "5000"]
+    devices:
+      - "/dev/kvm:/dev/kvm"
+  db:
+    image: "postgres:9.6.5-alpine"
+    volumes:
+      - "postgres:/var/lib/postgresql/data"
+    environment:
+      POSTGRES_USER: capsul
+      POSTGRES_PASSWORD: capsul
+      POSTGRES_DB: capsul
+
+volumes:
+  postgres: