Update ansible/group_vars/all.yml, ansible/roles/base/files/10periodic, ansible/roles/base/files/authorized_keys_administrator, ansible/roles/base/files/authorized_keys_user, ansible/roles/base/files/issue, ansible/roles/base/files/motd, ansible/roles/base/files/sshd_config_secured, ansible/roles/base/files/sshd_config_secured_redhat, ansible/roles/base/tasks/main.yml, ansible/roles/base/tasks/ssh.yml, ansible/roles/base/vars/main.yml, ansible/roles/cloudflare/tasks/main.yml, ansible/roles/k3s/argocd/tasks/main.yml, ansible/roles/k3s/argocd/templates/apps.yaml, ansible/roles/k3s/argocd/templates/argocd.yaml, ansible/roles/k3s/download/tasks/main.yml, ansible/roles/k3s/master/defaults/main.yml, ansible/roles/k3s/master/tasks/main.yml, ansible/roles/k3s/master/templates/content.j2, ansible/roles/k3s/master/templates/k3s.service.j2, ansible/roles/k3s/master/templates/metallb.configmap.j2, ansible/roles/k3s/master/templates/metallb.crds.j2, ansible/roles/k3s/master/templates/metallb.namespace.j2, ansible/roles/k3s/master/templates/vip.rbac.yaml.j2, ansible/roles/k3s/master/templates/vip.yaml.j2, ansible/roles/k3s/node/tasks/main.yml, ansible/roles/k3s/node/templates/k3s.service.j2, ansible/roles/k3s/post/defaults/main.yml, ansible/roles/k3s/post/tasks/main.yml, ansible/roles/k3s/post/templates/metallb.crs.j2, ansible/roles/k3s/prereq/tasks/main.yml, ansible/roles/update/tasks/main.yml, ansible/templates/packages.yml, ansible/ansible.cfg

ansible/roles/base/files/10periodic

@@ -0,0 +1,4 @@
+APT::Periodic::Update-Package-Lists "1";
+APT::Periodic::Download-Upgradeable-Packages "1";
+APT::Periodic::AutocleanInterval "7";
+APT::Periodic::Unattended-Upgrade "1";

ansible/roles/base/files/authorized_keys_administrator

@@ -0,0 +1 @@
+ssh-rsa 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 ansible

ansible/roles/base/files/authorized_keys_user

@@ -0,0 +1 @@
+ssh-rsa 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 

ansible/roles/base/files/issue

@@ -0,0 +1,3 @@
+Use of this system is restricted to authorized users only, and all use is subjected to an acceptable use policy.
+
+IF YOU ARE NOT AUTHORIZED TO USE THIS SYSTEM, DISCONNECT NOW.

ansible/roles/base/files/motd

@@ -0,0 +1,3 @@
+THIS SYSTEM IS FOR AUTHORIZED USE ONLY
+
+All activities are logged and monitored.

ansible/roles/base/files/sshd_config_secured

@@ -0,0 +1,94 @@
+# Package generated configuration file
+# See the sshd_config(5) manpage for details
+
+# What ports, IPs and protocols we listen for
+Port 22
+# Use these options to restrict which interfaces/protocols sshd will bind to
+#ListenAddress ::
+#ListenAddress 0.0.0.0
+Protocol 2
+# HostKeys for protocol version 2
+HostKey /etc/ssh/ssh_host_rsa_key
+HostKey /etc/ssh/ssh_host_dsa_key
+HostKey /etc/ssh/ssh_host_ecdsa_key
+HostKey /etc/ssh/ssh_host_ed25519_key
+#Privilege Separation is turned on for security
+UsePrivilegeSeparation yes
+
+# Lifetime and size of ephemeral version 1 server key
+KeyRegenerationInterval 3600
+ServerKeyBits 1024
+
+# Logging
+SyslogFacility AUTH
+LogLevel INFO
+
+# Authentication:
+LoginGraceTime 120
+PermitRootLogin no
+StrictModes yes
+
+RSAAuthentication yes
+PubkeyAuthentication yes
+#AuthorizedKeysFile %h/.ssh/authorized_keys
+
+# Don't read the user's ~/.rhosts and ~/.shosts files
+IgnoreRhosts yes
+# For this to work you will also need host keys in /etc/ssh_known_hosts
+RhostsRSAAuthentication no
+# similar for protocol version 2
+HostbasedAuthentication no
+# Uncomment if you don't trust ~/.ssh/known_hosts for RhostsRSAAuthentication
+#IgnoreUserKnownHosts yes
+
+# To enable empty passwords, change to yes (NOT RECOMMENDED)
+PermitEmptyPasswords no
+
+# Change to yes to enable challenge-response passwords (beware issues with
+# some PAM modules and threads)
+ChallengeResponseAuthentication no
+
+# Change to no to disable tunnelled clear text passwords
+PasswordAuthentication no
+
+# Kerberos options
+#KerberosAuthentication no
+#KerberosGetAFSToken no
+#KerberosOrLocalPasswd yes
+#KerberosTicketCleanup yes
+
+# GSSAPI options
+#GSSAPIAuthentication no
+#GSSAPICleanupCredentials yes
+
+X11Forwarding no
+X11DisplayOffset 10
+PrintMotd no
+PrintLastLog yes
+TCPKeepAlive yes
+#UseLogin no
+
+#MaxStartups 10:30:60
+#Banner /etc/issue.net
+
+# Allow client to pass locale environment variables
+AcceptEnv LANG LC_*
+
+Subsystem sftp /usr/lib/openssh/sftp-server
+
+# Set this to 'yes' to enable PAM authentication, account processing,
+# and session processing. If this is enabled, PAM authentication will
+# be allowed through the ChallengeResponseAuthentication and
+# PasswordAuthentication.  Depending on your PAM configuration,
+# PAM authentication via ChallengeResponseAuthentication 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 ChallengeResponseAuthentication to 'no'.
+UsePAM yes
+
+ClientAliveInterval 300
+
+#enable remote powershell
+#Subsystem powershell /usr/bin/pwsh -sshs -NoLogo
+

ansible/roles/base/files/sshd_config_secured_redhat

@@ -0,0 +1,135 @@
+#	$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/bin:/usr/bin:/usr/local/sbin:/usr/sbin
+
+# 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.
+
+# To modify the system-wide sshd configuration, create a  *.conf  file under
+#  /etc/ssh/sshd_config.d/  which will be automatically included below
+Include /etc/ssh/sshd_config.d/*.conf
+
+# If you want to change the port on a SELinux system, you have to tell
+# SELinux about this change.
+# semanage port -a -t ssh_port_t -p tcp #PORTNUMBER
+#
+#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 no
+#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 yes
+PermitEmptyPasswords no
+
+# Change to no to disable s/key passwords
+#KbdInteractiveAuthentication yes
+
+# Kerberos options
+#KerberosAuthentication no
+#KerberosOrLocalPasswd yes
+#KerberosTicketCleanup yes
+#KerberosGetAFSToken no
+#KerberosUseKuserok yes
+
+# GSSAPI options
+#GSSAPIAuthentication no
+#GSSAPICleanupCredentials yes
+#GSSAPIStrictAcceptorCheck yes
+#GSSAPIKeyExchange no
+#GSSAPIEnablek5users no
+
+# 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'.
+# WARNING: 'UsePAM no' is not supported in Fedora and may cause several
+# problems.
+#UsePAM no
+
+#AllowAgentForwarding yes
+#AllowTcpForwarding yes
+#GatewayPorts no
+#X11Forwarding no
+#X11DisplayOffset 10
+#X11UseLocalhost yes
+#PermitTTY yes
+#PrintMotd yes
+#PrintLastLog yes
+#TCPKeepAlive yes
+#PermitUserEnvironment no
+#Compression delayed
+ClientAliveInterval 300
+#ClientAliveCountMax 3
+#UseDNS no
+#PidFile /var/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/libexec/openssh/sftp-server
+
+# Example of overriding settings on a per-user basis
+#Match User anoncvs
+#	X11Forwarding no
+#	AllowTcpForwarding no
+#	PermitTTY no
+#	ForceCommand cvs server
+PasswordAuthentication no
+
+#enable remote powershell
+#Subsystem powershell /usr/bin/pwsh -sshs -NoLogo
+