ansible openssh

ansible/ansible.cfg

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+[defaults]
+inventory = ./inventory/hosts.yaml
+jinja2_extensions = jinja2.ext.do,jinja2.ext.i18n
+library = modules
+module_utils = module_utils
+display_skipped_hosts = false
+interpreter_python = auto_silent
+collections_paths = ./collections
+collections_path = ./collections
+roles_path = ./roles
+vault_password_file = ../.vault_password.txt

ansible/inventory/hosts.yaml

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+all:
+  children:
+    hosts:
+      server:
+        ansible_host: server.balsillie.net
+        ansible_os_family: Arch
+      lab:
+        ansible_host: lab.balsillie.net
+        ansible_os_family: Arch
+    nodes:
+      node1:
+        ansible_host: node1.balsillie.net
+      node2:
+        ansible_host: node2.balsillie.net
+      node3:
+        ansible_host: node3.balsillie.net
+    guests:
+      router:
+        ansible_host: router.balsillie.net
+    workstations:
+      lat5420:
+        ansible_host: lat5420.balsillie.net
+      sff:
+        ansible_host: sff.balsillie.net
+      bridie:
+        ansible_host: bridie.balsillie.net

ansible/roles/sshd/defaults/main.yml

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+---
+openssh_packages:
+  - openssh
+openssh_service: sshd.service
+openssh_configuration_file: /etc/ssh/sshd_config
+openssh_template_src: sshd_config_arch
+openssh_template_mode: "644"

ansible/roles/sshd/files/lab_authorized_keys

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+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHDSByUetRCOrrCRpyc0HMPVX8mKeJfXUcYH8+6NL2Md ladmin@lab.balsillie.net

ansible/roles/sshd/files/sshd_config_arch

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+#       $OpenBSD: sshd_config,v 1.104 2021/07/02 05:11:21 dtucker Exp $
+
+# This is the sshd server system-wide configuration file.  See
+# sshd_config(5) for more information.
+
+# This sshd was compiled with PATH=/usr/local/sbin:/usr/local/bin:/usr/bin
+
+# The strategy used for options in the default sshd_config shipped with
+# OpenSSH is to specify options with their default value where
+# possible, but leave them commented.  Uncommented options override the
+# default value.
+
+#Port 22
+#AddressFamily any
+#ListenAddress 0.0.0.0
+#ListenAddress ::
+
+#HostKey /etc/ssh/ssh_host_rsa_key
+#HostKey /etc/ssh/ssh_host_ecdsa_key
+#HostKey /etc/ssh/ssh_host_ed25519_key
+
+# Ciphers and keying
+#RekeyLimit default none
+
+# Logging
+#SyslogFacility AUTH
+#LogLevel INFO
+
+# Authentication:
+
+#LoginGraceTime 2m
+#PermitRootLogin prohibit-password
+#StrictModes yes
+#MaxAuthTries 6
+#MaxSessions 10
+
+PubkeyAuthentication yes
+
+# The default is to check both .ssh/authorized_keys and .ssh/authorized_keys2
+# but this is overridden so installations will only check .ssh/authorized_keys
+AuthorizedKeysFile      .ssh/authorized_keys
+
+#AuthorizedPrincipalsFile none
+
+#AuthorizedKeysCommand none
+#AuthorizedKeysCommandUser nobody
+
+# For this to work you will also need host keys in /etc/ssh/ssh_known_hosts
+#HostbasedAuthentication no
+# Change to yes if you don't trust ~/.ssh/known_hosts for
+# HostbasedAuthentication
+#IgnoreUserKnownHosts no
+# Don't read the user's ~/.rhosts and ~/.shosts files
+#IgnoreRhosts yes
+
+# To disable tunneled clear text passwords, change to no here!
+PasswordAuthentication no
+#PermitEmptyPasswords no
+
+# Change to no to disable s/key passwords
+KbdInteractiveAuthentication no
+
+# Kerberos options
+#KerberosAuthentication no
+#KerberosOrLocalPasswd yes
+#KerberosTicketCleanup yes
+#KerberosGetAFSToken no
+
+# GSSAPI options
+#GSSAPIAuthentication no
+#GSSAPICleanupCredentials yes
+
+# Set this to 'yes' to enable PAM authentication, account processing,
+# and session processing. If this is enabled, PAM authentication will
+# be allowed through the KbdInteractiveAuthentication and
+# PasswordAuthentication.  Depending on your PAM configuration,
+# PAM authentication via KbdInteractiveAuthentication may bypass
+# the setting of "PermitRootLogin without-password".
+# If you just want the PAM account and session checks to run without
+# PAM authentication, then enable this but set PasswordAuthentication
+# and KbdInteractiveAuthentication to 'no'.
+UsePAM yes
+
+#AllowAgentForwarding yes
+#AllowTcpForwarding yes
+#GatewayPorts no
+#X11Forwarding no
+#X11DisplayOffset 10
+#X11UseLocalhost yes
+#PermitTTY yes
+PrintMotd no # pam does that
+#PrintLastLog yes
+#TCPKeepAlive yes
+#PermitUserEnvironment no
+#Compression delayed
+#ClientAliveInterval 0
+#ClientAliveCountMax 3
+#UseDNS no
+#PidFile /run/sshd.pid
+#MaxStartups 10:30:100
+#PermitTunnel no
+#ChrootDirectory none
+#VersionAddendum none
+
+# no default banner path
+#Banner none
+
+# override default of no subsystems
+Subsystem       sftp    /usr/lib/ssh/sftp-server
+
+# Example of overriding settings on a per-user basis
+#Match User anoncvs
+#       X11Forwarding no
+#       AllowTcpForwarding no
+#       PermitTTY no
+#       ForceCommand cvs server

ansible/roles/sshd/tasks/main.yml

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+---
+- name: install openssh
+  ansible.general.pacman:
+    name: "{{ openssh_packages }}"
+    state: latest
+    update_cache: true
+    reason: explicit