# The control node: ansible-core, python3-pip (for ansible-navigator's # virtual environment) and greg with a key and quiet rootless podman. for p in ansible-core python3-pip; do pkg_installed $p || { echo $p >>"$LAB_STATE/missing"; pkg_install $p; } done user_add greg install -d -m 700 -o greg -g greg /home/greg/.ssh runuser -u greg -- ssh-keygen -q -t ed25519 -N '' -f /home/greg/.ssh/id_ed25519 # Without a systemd user session (su, sudo -i), podman would warn on every # run; the cgroupfs manager works the same in any login. install -d -m 755 -o greg -g greg /home/greg/.config /home/greg/.config/containers printf '[engine]\ncgroup_manager = "cgroupfs"\nevents_logger = "file"\n' >/home/greg/.config/containers/containers.conf chown greg: /home/greg/.config/containers/containers.conf # greg's project: ansible.cfg, inventory and a playbook that needs # community.general, which only the image has (task 3). No # ansible-navigator.yml yet (task 1). install -d -m 755 -o greg -g greg /home/greg/ansible cat >/home/greg/ansible/ansible.cfg <<'X' [defaults] inventory = ./inventory remote_user = devops host_key_checking = false [privilege_escalation] become = true X printf '[nodes]\nnode1\nnode2\n' >/home/greg/ansible/inventory cat >/home/greg/ansible/site.yml <<'X' --- - name: Configure the managed nodes hosts: all tasks: - name: Make sure the node answers ansible.builtin.ping: - name: Record that Ansible manages the node community.general.ini_file: path: /etc/lab.ini section: lab option: managed_by value: ansible mode: "0644" X chown greg: /home/greg/ansible/* # The managed nodes, with devops: greg's key and passwordless sudo. nodes_up 2 for n in $(nodes_names); do in_node "$n" 'useradd -m devops && printf "devops ALL=(ALL) NOPASSWD: ALL\n" >/etc/sudoers.d/devops && chmod 440 /etc/sudoers.d/devops && install -d -m 700 -o devops -g devops /home/devops/.ssh' in_node -i "$n" 'cat >/home/devops/.ssh/authorized_keys && chown devops: /home/devops/.ssh/authorized_keys && chmod 600 /home/devops/.ssh/authorized_keys' /dev/null && break sleep 5 done ln -s /opt/le-lab-navigator/bin/ansible-navigator /usr/local/bin/ansible-navigator /usr/local/bin/ansible-navigator --version >/dev/null state_set navigator installed fi # The execution environment localhost/lab-ee:2.16: the node image with # ansible-core and ansible.posix and community.general from Ansible Galaxy. # Built as root, given to greg's rootless podman, and removed from root's. say "${C_DIM}Building the execution environment image...${C_0}" d=$(mktemp -d) cat >"$d/Containerfile" <=2,<3' 'community.general:>=11,<12' && break; sleep 5; \\ done \\ && ansible-doc community.general.lvg >/dev/null && ansible-doc ansible.posix.seboolean >/dev/null \\ && dnf clean all X podman build -q --layers=false -t localhost/lab-ee:2.16 "$d" >/dev/null rm -rf "$d" podman save localhost/lab-ee:2.16 | runuser -l greg -c 'podman load -q' >/dev/null 2>&1 podman rmi localhost/lab-ee:2.16 >/dev/null runuser -l greg -c 'podman image exists localhost/lab-ee:2.16'