improvements on air gapped installation

templates/ceph.conf.j2

@@ -1,3 +1,5 @@
 [global]
 public_network = {{ public_network }}
-cluster_network = {{ cluster_network }}
+{% if cluster_network is defined -%}
+    cluster_network = {{ cluster_network }}
+{% endif %}

templates/chrony.yaml.j2

@@ -18,10 +18,10 @@ confdir /etc/chrony/conf.d
 # Approved by Ubuntu Technical Board on 2011-02-08.
 # See http://www.pool.ntp.org/join.html for more information.
 server {{ ntp_server }} iburst prefer
-pool ntp.ubuntu.com        iburst maxsources 4
-pool 0.ubuntu.pool.ntp.org iburst maxsources 1
-pool 1.ubuntu.pool.ntp.org iburst maxsources 1
-pool 2.ubuntu.pool.ntp.org iburst maxsources 2
+#pool ntp.ubuntu.com        iburst maxsources 4
+#pool 0.ubuntu.pool.ntp.org iburst maxsources 1
+#pool 1.ubuntu.pool.ntp.org iburst maxsources 1
+#pool 2.ubuntu.pool.ntp.org iburst maxsources 2
 
 # Use time sources from DHCP.
 sourcedir /run/chrony-dhcp

templates/cluster_spec.yml.j2

@@ -1,7 +1,7 @@
 {% macro nodes() %}
     {%- for _host in groups['all'] %}
 service_type: host
-addr: {{hostvars[_host]['ansible_host']}}
+addr: {{hostvars[_host]['addr']}}
 hostname: {{ _host }}
 location:
     {% for key, value in hostvars[_host]['location'].items() %}
@@ -31,5 +31,4 @@ placement:
   label: "osd"
 spec:
   data_devices:
-    all: true
----
+    all: true

templates/initial-ceph.j2

@@ -0,0 +1,6 @@
+[mgr]
+mgr/cephadm/container_image_prometheus = {{ image_registry }}/prometheus/prometheus:{{ prometheus_tag }}
+mgr/cephadm/container_image_node_exporter = {{ image_registry }}/prometheus/node-exporter:{{ node_exporter_tag }}
+mgr/cephadm/container_image_grafana = server-1:5000/ceph/ceph-grafana:{{ grafana_tag }}
+mgr/cephadm/container_image_alertmanager = server-1:5000/prometheus/alertmanager:{{ alertmanager_tag }}
+

templates/sshd_config.j2

@@ -0,0 +1,121 @@
+# 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/sbin:/usr/bin:/sbin:/bin:/usr/games
+
+# 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.
+
+Include /etc/ssh/sshd_config.d/*.conf
+
+#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 yes
+#StrictModes yes
+#MaxAuthTries 6
+#MaxSessions 10
+
+#PubkeyAuthentication yes
+
+# Expect .ssh/authorized_keys2 to be disregarded by default in future.
+#AuthorizedKeysFile     .ssh/authorized_keys .ssh/authorized_keys2
+
+#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 yes to enable challenge-response passwords (beware issues with
+# some PAM modules and threads)
+KbdInteractiveAuthentication no
+
+# Kerberos options
+#KerberosAuthentication no
+#KerberosOrLocalPasswd yes
+#KerberosTicketCleanup yes
+#KerberosGetAFSToken no
+
+# GSSAPI options
+#GSSAPIAuthentication no
+#GSSAPICleanupCredentials yes
+#GSSAPIStrictAcceptorCheck yes
+#GSSAPIKeyExchange 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'.
+UsePAM yes
+
+#AllowAgentForwarding yes
+#AllowTcpForwarding yes
+#GatewayPorts no
+X11Forwarding yes
+#X11DisplayOffset 10
+#X11UseLocalhost yes
+#PermitTTY yes
+PrintMotd no
+#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
+
+# Allow client to pass locale environment variables
+AcceptEnv LANG LC_*
+
+# override default of no subsystems
+Subsystem       sftp    /usr/lib/openssh/sftp-server
+
+# Example of overriding settings on a per-user basis
+#Match User anoncvs
+#       X11Forwarding no
+#       AllowTcpForwarding no
+#       PermitTTY no
+#       ForceCommand cvs server