Allow password auth and set default pass if $ALLOW_USER_PASSWD is set

Author: gmelikov

genesis/genesis.yaml

@@ -1,20 +1,20 @@
 # Build section. It specifies the build process of the project
 build:
-  
+
   # Dependencies of the project
   deps:
     # Genesis project
     - dst: /opt/genesis_core
       # Local path
       path:
         src: ../../genesis_core
-    
+
     # Network configuration
     - dst: /etc/netplan/90-genesis-net-base-config.yaml
       # Local path
       path:
         src: ../../genesis_core/etc/90-genesis-net-base-config.yaml
-    
+
     # Binary artifacts. Kernel, initrd, boot loaders.
     - dst: /opt/genesis_core/artifacts/undionly.kpxe
       # Local path
@@ -28,27 +28,30 @@ build:
       # Local path
       http:
         src: http://repository.genesis-core.tech:8081/seed_os/latest/vmlinuz
-    
+
     # Take SDK from a local path for development purposes.
     - dst: /opt/gcl_sdk
       optional: true
       path:
         env: LOCAL_GENESIS_SDK_PATH
-  
+
   # List of elements in the project
   elements:
     # List of images in the element
     - images:
       - name: genesis-core
         format: raw
-        
+
         # OS profile for the image
         profile: genesis_base
 
         # Provisioning script
         script: images/install.sh
-        
+
         # Override image build parameters, for instance Packer parameters
         override:
           disk_size: "6G"
       # manifest: manifests/genesis-core.yaml
+
+        envs:
+          - ALLOW_USER_PASSWD

genesis/images/install.sh

@@ -38,7 +38,14 @@ SDK_DEV_MODE=$([ -d "$DEV_SDK_PATH" ] && echo "true" || echo "false")
 # Install packages
 sudo apt update
 sudo apt install yq postgresql libev-dev libvirt-dev \
-    tftpd-hpa isc-dhcp-server -y
+    tftpd-hpa isc-dhcp-server yq -y
+
+ALLOW_USER_PASSWD=${ALLOW_USER_PASSWD-}
+if [ -n "$ALLOW_USER_PASSWD" ]; then
+    echo "ubuntu:ubuntu" | sudo chpasswd
+    sudo rm /etc/ssh/sshd_config.d/60-cloudimg-settings.conf
+    sudo yq -yi '.system_info.default_user.lock_passwd |= false' /etc/cloud/cloud.cfg
+fi
 
 # Useful for all-in-one-vm tests
 # sudo apt install qemu-kvm libvirt-daemon-system zfsutils-linux \