Added ssh config (for accessing kobayashi chat)

roles/chat/tasks/main.yaml

@@ -9,6 +9,8 @@
     git clone https://github.com/tlinden/devzat
     cd /tmp/devzat
     go build
+  args:
+    creates: "/tmp/.ansible.devzatbuild"
   
 - name: create services template dir
   file:
@@ -33,6 +35,8 @@
 
 - name: copy devzat binary
   shell: install -m 755 /tmp/devzat/devzat /usr/local/bastille/templates/services/{{ role_name }}/usr/local/sbin/devzat
+  args:
+    creates: "/tmp/.ansible.devzat"
   
 - name: copy devzat config file
   copy:
@@ -55,3 +59,8 @@
 
 - name: template jail
   shell: "bastille template {{ role_name }} services/{{ role_name }}"
+  args:
+    # FIXME: might make it impossible to update, on the other hand w/o
+    # it this command fails with "devzat binary busy" when the jail is
+    # already running, since go binaries do not fork.
+    creates: "/tmp/.ansible.devzattemplate"

roles/pub/bin/user.sh

@@ -115,8 +115,30 @@ case "$action" in
         if test -e "/usr/local/bastille/keys/$user" -a ! -e "/home/$user/.ssh/authorized_keys"; then
             # install ssh key
             uid=$(getuid "$root" "$user")
-            install -m 700 -o "$uid" -g "$uid" -d "/home/$user/.ssh"
-            install -m 600 -o "$uid" -g "$uid" "/usr/local/bastille/keys/$user" "/home/$user/.ssh/authorized_keys"
+            run install -m 700 -o "$uid" -g "$uid" -d "/home/$user/.ssh"
+            run install -m 600 -o "$uid" -g "$uid" "/usr/local/bastille/keys/$user" "/home/$user/.ssh/authorized_keys"
+
+            # generate  chat  key,  which  is  required  so  login  to
+            # kobayashi, so that ssh-chat works  even if the user does
+            # not have their own key yet.
+            run ssh-keygen -t ed25519 -f /home/$user/.ssh/id_chat_kobayashi -P ""
+
+            (
+                echo "The key id_chat_kobayashi exists so that you're able to reach"
+                echo "the kobayashi chat service. Once you have generated your own"
+                echo "key, you can just delete it."
+            ) > "/home/$user/.ssh/README"
+
+            if test ! -e "/home/$user/.ssh/config"; then
+                (
+                    echo "Host kobayashi"
+                    echo "  Port 2222"
+                    echo "  IdentityFile ~/.ssh/id_chat_kobayashi"
+                    echo "  StrictHostKeyChecking no"
+                ) > "/home/$user/.ssh/config"
+            fi
+            
+            run chown "$uid:$uid" /home/$user/.ssh/*
         fi
         ;;
     absent)

roles/pub/templates/Bastillefile.j2

@@ -13,8 +13,8 @@ CMD mkdir -p /home
 
 FSTAB /home home nullfs rw 0 0
 
-
 # FIXME: fails for now, see: https://github.com/BastilleBSD/bastille/issues/743
 #CP usr/share/skel /usr/share/skel
 
 SERVICE sshd start
+SERVICE motd restart