39 lines
1.6 KiB
Bash
39 lines
1.6 KiB
Bash
# The control node: ansible-core and greg's project, with a key the nodes
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# already accept.
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pkg_installed ansible-core || { echo ansible-core >>"$LAB_STATE/missing"; pkg_install ansible-core; }
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user_add greg
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install -d -m 700 -o greg -g greg /home/greg/.ssh
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runuser -u greg -- ssh-keygen -q -t ed25519 -N '' -f /home/greg/.ssh/id_ed25519
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install -d -m 755 -o greg -g greg /home/greg/ansible
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cat >/home/greg/ansible/ansible.cfg <<'X'
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[defaults]
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inventory = inventory
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remote_user = devops
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host_key_checking = false
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[privilege_escalation]
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become = true
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X
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printf '[webservers]\nnode1\n\n[dbservers]\nnode2\n' >/home/greg/ansible/inventory
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chown greg: /home/greg/ansible/ansible.cfg /home/greg/ansible/inventory
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# The managed nodes, prepared as in chapter 3.1: devops with greg's key and
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# passwordless sudo.
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nodes_up 2
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for n in $(nodes_names); do
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in_node -i "$n" 'useradd -m devops && install -d -m 700 -o devops -g devops /home/devops/.ssh &&
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cat >/home/devops/.ssh/authorized_keys && chown devops: /home/devops/.ssh/authorized_keys &&
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chmod 600 /home/devops/.ssh/authorized_keys &&
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echo "devops ALL=(ALL) NOPASSWD: ALL" >/etc/sudoers.d/devops && chmod 440 /etc/sudoers.d/devops' \
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</home/greg/.ssh/id_ed25519.pub
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done
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# What's installed here now; reset removes what the tasks add.
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rpm -qa --qf '%{NAME}\n' | sort -u >"$LAB_STATE/rpms"
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# firewalld on both nodes, and a web server behind it on node1.
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for n in $(nodes_names); do
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in_node "$n" 'dnf -y -q install firewalld && systemctl enable --now --quiet firewalld' >/dev/null
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done
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in_node node1 'dnf -y -q install httpd && echo "node1 web page" >/var/www/html/index.html &&
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systemctl enable --now --quiet httpd' >/dev/null
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