build-all

roles/vault_ssh_keys/tasks/main.yml

@@ -0,0 +1,153 @@
+- name: Setup vault SSH keys
+  become: "{{ 'no' if inventory_hostname in ['sectorq.cloud', 'nas.home.lan'] else 'yes' }}"
+  block:
+    
+    - name: Include vault
+      ansible.builtin.include_vars:
+        file: init.yml
+
+    - name: Install required dependencies
+      ansible.builtin.dnf:
+        name:
+          - dnf-plugins-core
+          - curl
+        state: present
+
+    - name: Add HashiCorp repository
+      ansible.builtin.get_url:
+        url: https://rpm.releases.hashicorp.com/RHEL/hashicorp.repo
+        dest: /etc/yum.repos.d/hashicorp.repo
+        mode: "0644"
+
+    - name: Clean DNF cache
+      ansible.builtin.command: dnf clean all
+      changed_when: false
+
+    - name: Install Vault
+      ansible.builtin.dnf:
+        name: vault
+        state: present
+        update_cache: yes
+
+    - name: Set vault address
+      copy:
+        dest: /etc/profile.d/vault.sh
+        content: "export VAULT_ADDR=http://vault.home.lan:8205\n"
+        owner: root
+        group: root
+        mode: '0644'
+
+    - name: Read SSH CA public key from Vault
+      ansible.builtin.command:
+        cmd: vault read -field=public_key ssh/config/ca
+      register: vault_ca
+      changed_when: false
+      environment:
+        VAULT_ADDR: "{{ vault_addr }}"
+        VAULT_TOKEN: "{{ vault_token }}"
+
+    - name: Install trusted SSH user CA
+      ansible.builtin.copy:
+        content: "{{ vault_ca.stdout }}\n"
+        dest: /etc/ssh/trusted-user-ca-keys.pem
+        owner: root
+        group: root
+        mode: '0644'
+
+    - name: Enable Trusted User CA
+      ansible.builtin.lineinfile:
+        path: /etc/ssh/sshd_config
+        regexp: "^TrustedUserCAKeys"
+        line: "TrustedUserCAKeys /etc/ssh/trusted-user-ca-keys.pem"
+        state: present
+
+    - name: Enable PubkeyAuthentication
+      ansible.builtin.lineinfile:
+        path: /etc/ssh/sshd_config
+        regexp: "^PubkeyAuthentication.*"
+        line: "PubkeyAuthentication yes"
+        state: present
+
+    - name: Create vault agent dir
+      file:
+        path: /etc/vault-agent
+        state: directory
+        owner: root
+        group: root
+        mode: '0644'
+    
+    - name: Create vault agent config
+      copy:
+        dest: /etc/vault-agent/config.hcl
+        content: |
+          vault {
+            address = "http://vault.home.lan:8205"
+          }
+
+          auto_auth {
+            method "token_file" {
+              config = {
+                token_file_path = "/etc/vault-agent/token"
+              }
+            }
+
+            sink "file" {
+              config = {
+                path = "/tmp/vault-token"
+              }
+            }
+          }
+
+          template {
+            destination = "/home/jd/.ssh/id_ed25519-cert.pub"
+            perms = "0644"
+            user = "jd"
+            group = "jd"
+            contents = <<EOH
+          {{ '{{' }} with secret "ssh/sign/admin" (printf "public_key=%s" (trimSpace (file "/home/jd/.ssh/id_ed25519.pub"))) "valid_principals=jd" {{ '}}' }}
+          {{ '{{' }} .Data.signed_key {{ '}}' }}
+          {{ '{{' }} end {{ '}}' }}
+          EOH
+          }
+        owner: root
+        group: root
+        mode: '0644'
+
+    - name: Create file with token for vault agent
+      copy:
+        dest: /etc/vault-agent/token
+        content: "{{ vault_sshcert_token }}"
+        owner: root
+        group: root
+        mode: '0600'
+
+    - name: Create service for vault agent
+      copy:
+        dest: /etc/systemd/system/vault-agent.service
+        content: |
+          [Unit]
+          Description=Vault Agent
+          After=network-online.target
+
+          [Service]
+          ExecStart=/usr/bin/vault agent -config=/etc/vault-agent/config.hcl
+          Restart=always
+          User=root
+          Group=root
+
+          [Install]
+          WantedBy=multi-user.target
+        owner: root
+        group: root
+        mode: '0644'
+
+    - name: Enable and start vault agent service
+      systemd:
+        name: vault-agent
+        enabled: yes
+        state: started
+        
+    - name: Restart sshd
+      ansible.builtin.service:
+        name: sshd
+        state: restarted