First working version.

aws/roles/ec2_create/tasks/main.yml

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+- name: Create hashcat instance
+  ec2:
+    region: "{{ ec2.region }}"
+    keypair: "{{ ec2.credentials }}"
+    instance_tags: "{{ ec2.tags }}"
+    image: "{{ ec2.image }}"
+    instance_type: "{{ ec2.instance_type }}"
+    instance_profile_name: "{{ ec2.role | default('') }}"
+    instance_initiated_shutdown_behavior: "{{ ec2.shutdownbehavior }}"
+    volumes: "{{ ec2.volumes }}"
+    group: "{{ ec2.sg }}"
+    vpc_subnet_id: "{{ ec2.subnet }}"
+    assign_public_ip: "{{ ec2.public_ip | default('no') }}"
+    private_ip: "{{ ec2.private_ip | default('') }}"
+    wait: true
+  register: myec2
+
+- name: Add new instance to host group
+  add_host: hostname={{ item.public_ip }} groupname=hashcat
+  with_items: '{{myec2.instances}}'
+
+- name: Wait for SSH to come up
+  wait_for:
+    host: "{{ item.public_ip }}"
+    port: 22
+    state: started
+    #delay: 500
+  with_items: '{{ myec2.instances }}'

aws/roles/ec2_hashcat/tasks/main.yml

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+- name: Update repo list (update) and upgrade instance (upgrade)
+  become: yes
+  ansible.builtin.apt:
+    update_cache: yes
+
+- name: Upgrade the OS (dist-upgrade)
+  become: yes
+  ansible.builtin.apt:
+    upgrade: dist
+
+- name: Install p7zip
+  become: yes
+  ansible.builtin.apt:
+    name: p7zip
+    update_cache: yes
+
+- name: jq
+  become: yes
+  ansible.builtin.apt:
+    name: jq 
+    update_cache: yes
+
+#- name: Install build-essential
+#  become: yes
+#  ansible.builtin.apt:
+#    name: build-essential
+#    update_cache: yes
+
+- name: Install nVidia CUDA keyring 
+  become: yes
+  ansible.builtin.apt:
+    deb: https://developer.download.nvidia.com/compute/cuda/repos/{{ ec2.os }}/x86_64/cuda-keyring_1.0-1_all.deb
+
+- name: Install nVidia cuda-drivers
+  become: yes
+  ansible.builtin.apt:
+    name: cuda-drivers
+    update_cache: yes
+
+- name: Install nVidia cuda
+  become: yes
+  ansible.builtin.apt:
+    name: cuda
+    update_cache: yes
+
+- name: Copy hashcat_start script
+  become: yes
+  ansible.builtin.copy:
+    src: hashcat_start.j2
+    dest: /usr/local/bin/hashcat_start
+    owner: root
+    group: root
+    mode: '0755'
+
+- name: Download latest goofys
+  become: yes
+  ansible.builtin.get_url:
+    url: https://github.com/kahing/goofys/releases/latest/download/goofys
+    dest: /usr/local/bin/goofys
+    mode: '0755'
+
+- name: Create aws directory if it does not exist
+  become: yes
+  ansible.builtin.file:
+    path: /root/.aws/
+    state: directory
+    mode: '0755'
+
+- name: Copy AWS Credentials
+  become: yes
+  ansible.builtin.copy:
+    src: credentials.j2
+    dest: /root/.aws/credentials
+    owner: root
+    group: root
+    mode: '0600'
+
+- name: Set up fstab
+  become: yes
+  lineinfile:
+    dest: /etc/fstab
+    line: '{{ item }}'
+  with_items:
+    - 'goofys#{{ s3.bucket_name }}   {{ s3.mount_point }}        fuse     _netdev,allow_other,--file-mode=0660,--dir-mode=0770,--uid=1000,--gid=1000,--endpoint={{ s3.end_point }},noauto    0       0'
+
+- name: Mount S3 bucket
+  become: yes
+  command: mount /mnt
+  args:
+    warn: no
+  become: true
+
+- name: Run hashcat
+  become: yes
+  shell: "(/usr/local/bin/hashcat_start >/dev/null 2>&1 &)"
+  ###command: "(/usr/local/bin/hashcat_start &)"
+
+

aws/roles/ec2_terminate/tasks/main.yml

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+- name: Terminate hashcat instance
+  ec2:
+          region: "{{ ec2.region }}"
+          instance_tags: "{{ ec2.tags }}"
+          instance_profile_name: "{{ ec2.role | default('') }}"
+          image: "{{ ec2.image }}"
+          exact_count: 0
+          wait: true
+