43 lines
1.8 KiB
Bash
43 lines
1.8 KiB
Bash
# The control node: ansible-core and greg's project, with his key.
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for p in ansible-core; do pkg_installed $p || echo $p >>"$LAB_STATE/missing"; done
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pkg_installed ansible-core || 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 <<'C'
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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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C
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printf '[nodes]\nnode1\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: devops with greg's key and sudo, no httpd and no
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# swap file; firewalld running on node1, with only SSH open.
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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" 'id devops >/dev/null 2>&1 || useradd -m devops
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echo devops:Lab-Pass-1 | chpasswd
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echo "devops ALL=(ALL) NOPASSWD: ALL" >/etc/sudoers.d/devops
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chmod 440 /etc/sudoers.d/devops
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install -d -m 700 -o devops -g devops /home/devops/.ssh
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cat >/home/devops/.ssh/authorized_keys
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chown devops: /home/devops/.ssh/authorized_keys
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chmod 600 /home/devops/.ssh/authorized_keys
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rm -f /root/swapfile' </home/greg/.ssh/id_ed25519.pub
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done
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say "${C_DIM}Installing firewalld on node1...${C_0}"
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in_node node1 'rpm -q firewalld >/dev/null || dnf -y -q install firewalld >/dev/null
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systemctl enable --now firewalld >/dev/null 2>&1
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for i in $(seq 30); do firewall-cmd -q --state 2>/dev/null && break; sleep 1; done
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for s in $(firewall-cmd --permanent --list-services); do
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[ "$s" = ssh ] || firewall-cmd -q --permanent --remove-service="$s"
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done
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firewall-cmd -q --reload'
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in_node node1 'firewall-cmd --state' >/dev/null || die "firewalld didn't start on node1"
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