aurore/ansible
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Merge branch 'dhcp' into new-infra

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This commit is contained in:
jeltz 2023-01-07 02:26:35 +01:00
commit c32b949d04
Signed by: jeltz
GPG key ID: 800882B66C0C3326
17 changed files with 183 additions and 335 deletions
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2
hosts
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@ -123,6 +123,8 @@ ns-1.auro.re
ldap-1.int.infra.auro.re
radius-1.isp.infra.auro.re
#prometheus-fleming-fo.adm.auro.re
dhcp-1.isp.auro.re
dhcp-2.isp.auro.re
radius-fleming.adm.auro.re
dns-1.int.infra.auro.re
isp-1.rtr.infra.auro.re

63
playbooks/dhcpd.yml Executable file
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@ -0,0 +1,63 @@
#!/usr/bin/env ansible-playbook
---
- hosts:
- dhcp-1.isp.auro.re
- dhcp-2.isp.auro.re
vars:
dhcpd__omapi_key:
algorithm: hmac-sha512
secret: 99XuJO0ofX3VAnWWlyixWbQ5YTagPfgxyh14IbLNBb3/JzEklkWopvQdj/PXVYbfb/sRyFJBhLexPag4dLh7PA==
dhcpd__interfaces:
- client-0
- client-1
- client-2
- client-3
- client-4
dhcpd__dns_servers:
- 10.128.0.127
dhcpd__domain_search:
- isp.auro.re
- auro.re
dhcpd__subnets:
- network: 100.64.0.0/27
routers:
- 100.64.0.1
start: 100.64.0.4
end: 100.64.0.30
domain_name: client-0.isp.auro.re
failover: true
- network: 100.64.0.32/27
routers:
- 100.64.0.31
start: 100.64.0.33
end: 100.64.0.63
domain_name: client-1.isp.auro.re
failover: true
- network: 100.64.0.64/27
routers:
- 100.64.0.65
start: 100.64.0.67
end: 100.64.0.95
domain_name: client-2.isp.auro.re
failover: true
- network: 100.64.0.96/27
routers:
- 100.64.0.97
start: 100.64.0.99
end: 100.64.0.127
domain_name: client-3.isp.auro.re
failover: true
- network: 100.64.0.128/27
routers:
- 100.64.0.129
start: 100.64.0.131
end: 100.64.0.159
domain_name: client-4.isp.auro.re
failover: true
# FIXME: ugly
dhcpd__failover_primary: "{{ inventory_hostname_short == 'dhcp-1' }}"
dhcpd__failover_address: "{{ '10.128.0.204' if dhcpd__failover_primary else '10.128.0.91' }}"
dhcpd__failover_peer_address: "{{ '10.128.0.91' if dhcpd__failover_primary else '10.128.0.204' }}"
roles:
- dhcpd
...

9
playbooks/isc-dhcp-server.yml
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@ -1,9 +0,0 @@
#!/usr/bin/env ansible-playbook
---
- hosts: dhcp-*.adm.auro.re
vars:
update_motd:
unbound: isc-dhcp-server est déployé.
roles:
- isc_dhcp_server
- update_motd

15
roles/dhcpd/defaults/main.yml Normal file
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@ -0,0 +1,15 @@
---
dhcpd_interfaces: []
dhcpd__default_lease_time: 600
dhcpd__max_lease_time: 7200
dhcpd__dns_servers: []
dhcpd__domain_search: []
dhcpd__subnets: []
dhcpd__failover_port: 519
dhcpd__failover_mclt: 3600
dhcpd__failover_split: 128
dhcpd__failover_max_response_delay: 60
dhcpd__failover_max_unacked_updates: 10
dhcpd__failover_lb_max_seconds: 3
dhcpd__omapi_port: 7911
...

6
roles/dhcpd/handlers/main.yml Normal file
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@ -0,0 +1,6 @@
---
- name: Restart isc-dhcp-server
systemd:
name: isc-dhcp-server.service
state: restarted
...

29
roles/dhcpd/tasks/main.yml Normal file
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@ -0,0 +1,29 @@
---
- name: Install isc-dhcp-server
apt:
name: isc-dhcp-server
- name: Configure isc-dhcp-server
template:
src: "{{ item.src }}"
dest: "{{ item.dest }}"
mode: u=rw,g=r,o=
owner: root
group: root
loop:
- src: dhcpd.conf.j2
dest: /etc/dhcp/dhcpd.conf
- src: default.j2
dest: /etc/default/isc-dhcp-server
notify:
- Restart isc-dhcp-server
#- src: dhcpd6.conf.j2
# dest: /etc/dhcp/dhcpd6.conf
- name: Enable and start isc-dhcp-server
systemd:
name: isc-dhcp-server.service
state: started
enabled: true
...

4
roles/dhcpd/templates/default.j2 Normal file
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@ -0,0 +1,4 @@
{{ ansible_managed | comment }}
INTERFACESv4="{{ dhcpd__interfaces | join(' ') }}"
INTERFACESv6=""

64
roles/dhcpd/templates/dhcpd.conf.j2 Normal file
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@ -0,0 +1,64 @@
{{ ansible_managed | comment }}
default-lease-time {{ dhcpd__default_lease_time }};
max-lease-time {{ dhcpd__max_lease_time }};
ddns-update-style none;
authoritative;
{% if dhcpd__omapi_key | default({}) %}
omapi-port {{ dhcpd__omapi_port }};
omapi-key omapi_key;
key omapi_key {
algorithm {{ dhcpd__omapi_key.algorithm }};
secret {{ dhcpd__omapi_key.secret }};
}
{% endif %}
{% if dhcpd__subnets | selectattr("failover", "true") | list %}
failover peer "peer" {
{% if dhcpd__failover_primary | default(false) %}
primary;
mclt {{ dhcpd__failover_mclt }};
split {{ dhcpd__failover_split }};
{% else %}
secondary;
{% endif %}
address {{ dhcpd__failover_address }};
port {{ dhcpd__failover_port }};
peer address {{ dhcpd__failover_peer_address }};
peer port {{ dhcpd__failover_peer_port
| default(dhcpd__failover_port) }};
max-response-delay {{ dhcpd__failover_max_response_delay }};
max-unacked-updates {{ dhcpd__failover_max_unacked_updates }};
load balance max seconds {{ dhcpd__failover_lb_max_seconds }};
}
{% endif %}
{% if dhcpd__dns_servers | default([]) %}
option domain-name-servers {{ dhcpd__dns_servers | join(", ") }};
{% endif %}
{% if dhcpd__domain_search | default([]) %}
option domain-search {{ dhcpd__domain_search
| map("enquote") | join(", ") }};
{% endif %}
{% for subnet in dhcpd__subnets %}
subnet {{ subnet.network
| ansible.utils.ipaddr("network") }}
netmask {{ subnet.network
| ansible.utils.ipaddr("netmask") }} {
pool {
range {{ subnet.start }} {{ subnet.end }};
{% if subnet.failover | default(false) %}
failover peer "peer";
{% endif %}
}
{% if subnet.routers | default([]) %}
option routers {{ subnet.routers | join(", ") }};
{% endif %}
}
{% endfor %}

14
roles/isc_dhcp_server/handlers/main.yml
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@ -1,14 +0,0 @@
---
- name: force run dhcp re2o-service
command: /var/local/re2o-services/dhcp/main.py --force
become_user: re2o-services
- name: restart dhcpd
systemd:
state: restarted
name: isc-dhcp-server
- name: restart rsyslog
systemd:
name: rsyslog
state: restarted

111
roles/isc_dhcp_server/tasks/main.yml
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@ -1,111 +0,0 @@
---
- name: Install dhcp (re2o-service)
import_role:
name: re2o_service
vars:
service_repo: https://gitlab.federez.net/re2o/dhcp.git
service_name: dhcp
service_version: master
service_config:
hostname: re2o.auro.re
username: service-user
password: "{{ vault_serviceuser_passwd }}"
- name: Ensure appropriate permissions on dhcp re2o service
file:
path: /var/local/re2o-services/dhcp/
state: directory
owner: re2o-services
group: nogroup
recurse: true
mode: 0755
- name: Install isc-dhcp-server
apt:
update_cache: true
name: isc-dhcp-server
state: present
register: apt_result
retries: 3
until: apt_result is succeeded
notify: restart dhcpd
- name: Ensure dhcp log directory exists
file:
path: /var/log/dhcp
owner: root
group: root
mode: u=rwx,g=rx,a=rx
state: directory
- name: Ensure rsyslog knows where to send dhcp logs
lineinfile:
path: /etc/rsyslog.conf
line: "local7.* /var/log/dhcp/dhcpd.log"
notify: restart rsyslog
- name: Configure dhcp log rotation
template:
src: logrotate.d/dhcp.j2
dest: /etc/logrotate.d/dhcp
mode: 0644
- name: set up cron to reload dhcp re2o service
cron:
# Do not change this name or idempotence *might* be lost.
name: dhcp-re2o-service
cron_file: re2o-services
minute: "*/2"
hour: "*"
day: "*"
weekday: "*"
month: "*"
user: root
job: "/usr/bin/python3 /var/local/re2o-services/dhcp/main.py"
- name: Configure /etc/default/isc-dhcp-server
template:
src: default/isc-dhcp-server.j2
dest: /etc/default/isc-dhcp-server
mode: 0644
notify: restart dhcpd
- name: Configure dhcp-failover.conf
template:
src: dhcp/dhcp-failover.conf.j2
dest: /etc/dhcp/dhcp-failover.conf
mode: 0600
when: dhcp_failover_enabled
notify: restart dhcpd
- name: Configure dhcpd.conf
template:
src: dhcp/dhcpd.conf.j2
dest: /etc/dhcp/dhcpd.conf
mode: 0600
notify: restart dhcpd
- name: Configure subnets.conf (regular service)
template:
src: dhcp/regular-subnets.conf.j2
dest: /etc/dhcp/subnets.conf
mode: 0600
notify: restart dhcpd
when: not is_aurore_host
- name: Configure subnets.conf (aurore service)
template:
src: dhcp/aurore-subnets.conf.j2
dest: /etc/dhcp/subnets.conf
mode: 0600
notify: restart dhcpd
when: is_aurore_host
- name: force run dhcp re2o-service
command: /var/local/re2o-services/dhcp/main.py --force
- name: Ensure dhcpd is running
service:
name: isc-dhcp-server
state: started
enabled: true

24
roles/isc_dhcp_server/templates/default/isc-dhcp-server.j2
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@ -1,24 +0,0 @@
# Defaults for isc-dhcp-server (sourced by /etc/init.d/isc-dhcp-server)
# Path to dhcpd's config file (default: /etc/dhcp/dhcpd.conf).
#DHCPDv4_CONF=/etc/dhcp/dhcpd.conf
#DHCPDv6_CONF=/etc/dhcp/dhcpd6.conf
# Path to dhcpd's PID file (default: /var/run/dhcpd.pid).
#DHCPDv4_PID=/var/run/dhcpd.pid
#DHCPDv6_PID=/var/run/dhcpd6.pid
# Additional options to start dhcpd with.
# Don't use options -cf or -pf here; use DHCPD_CONF/ DHCPD_PID instead
#OPTIONS=""
# On what interfaces should the DHCP server (dhcpd) serve DHCP requests?
# Separate multiple interfaces with spaces, e.g. "eth0 eth1".
{% if is_aurore_host %}
INTERFACESv4="ens19"
INTERFACESv6=""
{% else %}
INTERFACESv4="ens19 ens20 ens21 ens22 ens23"
INTERFACESv6=""
{% endif %}

12
roles/isc_dhcp_server/templates/dhcp/aurore-subnets.conf.j2
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@ -1,12 +0,0 @@
subnet 45.66.110.0 netmask 255.255.255.0 {
interface "ens19";
option subnet-mask 255.255.255.0;
option broadcast-address 45.66.110.255;
option routers 45.66.110.{{ router_ip_suffix }};
option domain-name-servers 45.66.110.{{ dns_host_suffix_main }}, {{ backup_dns_servers|join(', ') }};
option domain-name "adh.auro.re";
option domain-search "adh.auro.re";
include "/var/local/re2o-services/dhcp/generated/dhcp.adh.auro.re.list";
deny unknown-clients;
}

31
roles/isc_dhcp_server/templates/dhcp/dhcp-failover.conf.j2
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@ -1,31 +0,0 @@
failover peer "dhcp-failover" {
{% if inventory_hostname == dhcp_failover.primary_host %}
primary;
# MCLT = Maximum Client Lead Time.
# Must be specified on the primary, forbidden on the secondary.
mclt 3600;
# Address or DNS name on which this node listens for connections
# from its failover peer.
address {{ dhcp_failover.primary_host }};
peer address {{ dhcp_failover.secondary_host }};
# Load balancing.
split 128;
{% endif %}
{% if inventory_hostname == dhcp_failover.secondary_host %}
secondary;
# Address and peer address are reversed on the secondary node.
address {{ dhcp_failover.secondary_host }};
peer address {{ dhcp_failover.primary_host }};
{% endif %}
# The following options can be shared between primary and
# secondary failover peers.
port 647;
peer port 647;
max-response-delay 30;
max-unacked-updates 10;
load balance max seconds 3;
}

25
roles/isc_dhcp_server/templates/dhcp/dhcpd.conf.j2
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@ -1,25 +0,0 @@
default-lease-time 86400;
max-lease-time 86400;
# Option definitions common to all supported networks.
option interface-mtu {{ mtu }};
option root-path "/";
# The ddns-updates-style parameter controls whether or not the server will
# attempt to do a DNS update when a lease is confirmed. We default to the
# behavior of the version 2 packages ('none', since DHCP v2 didn't
# have support for DDNS.)
ddns-update-style none;
# If this DHCP server is the official DHCP server for the local
# network, the authoritative directive should be uncommented.
authoritative;
log-facility local7;
{% if dhcp_failover_enabled %}
include "/etc/dhcp/dhcp-failover.conf";
{% endif %}
include "/etc/dhcp/subnets.conf";

94
roles/isc_dhcp_server/templates/dhcp/regular-subnets.conf.j2
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@ -1,94 +0,0 @@
# Bornes WiFi
subnet 10.{{ subnet_ids.ap }}.0.0 netmask 255.255.0.0 {
interface "ens19";
option subnet-mask 255.255.0.0;
option broadcast-address 10.{{ subnet_ids.ap }}.255.255;
option routers 10.{{ subnet_ids.ap }}.0.250;
option domain-name "borne.auro.re";
option domain-search "borne.auro.re";
option domain-name-servers 10.{{ subnet_ids.ap }}.0.{{ dns_host_suffix_main }}, 10.{{ subnet_ids.ap }}.0.{{ dns_host_suffix_backup }}, {{ backup_dns_servers|join(', ') }};
include "/var/local/re2o-services/dhcp/generated/dhcp.borne.auro.re.list";
deny unknown-clients;
}
# Users filaire
subnet 10.{{ subnet_ids.users_wired }}.0.0 netmask 255.255.0.0 {
interface "ens20";
option subnet-mask 255.255.0.0;
option broadcast-address 10.{{ subnet_ids.users_wired }}.255.255;
option routers 10.{{ subnet_ids.users_wired }}.0.{{ router_ip_suffix }};
option domain-name "fil.{{ apartment_block_dhcp }}.auro.re";
option domain-search "auro.re";
option domain-name-servers 10.{{ subnet_ids.users_wired }}.0.{{ dns_host_suffix_main }}, 10.{{ subnet_ids.users_wired }}.0.{{ dns_host_suffix_backup }}, {{ backup_dns_servers|join(', ') }};
include "/var/local/re2o-services/dhcp/generated/dhcp.fil.{{ apartment_block_dhcp }}.auro.re.list";
deny unknown-clients;
}
# Users WiFi
subnet 10.{{ subnet_ids.users_wifi }}.0.0 netmask 255.255.0.0 {
interface "ens21";
option subnet-mask 255.255.0.0;
option broadcast-address 10.{{ subnet_ids.users_wifi }}.255.255;
option routers 10.{{ subnet_ids.users_wifi }}.0.{{ router_ip_suffix }};
option domain-name "wifi.{{ apartment_block_dhcp }}.auro.re";
option domain-search "auro.re";
option domain-name-servers 10.{{ subnet_ids.users_wifi }}.0.{{ dns_host_suffix_main }}, 10.{{ subnet_ids.users_wifi }}.0.{{ dns_host_suffix_backup }}, {{ backup_dns_servers|join(', ') }};
include "/var/local/re2o-services/dhcp/generated/dhcp.wifi.{{ apartment_block_dhcp }}.auro.re.list";
pool {
range 10.{{ subnet_ids.users_wifi }}.8.0 10.{{ subnet_ids.users_wifi }}.10.255;
{% if dhcp_failover is defined %}
failover peer "dhcp-failover";
{% endif %}
}
}
# Banni
subnet 10.{{ subnet_ids.users_banni }}.0.0 netmask 255.255.0.0 {
interface "ens22";
option subnet-mask 255.255.0.0;
option broadcast-address 10.{{ subnet_ids.users_banni }}.255.255;
option routers 10.{{ subnet_ids.users_banni }}.0.{{ router_ip_suffix }};
option domain-name "banni.{{ apartment_block_dhcp }}.auro.re";
option domain-search "auro.re";
option domain-name-servers 10.{{ subnet_ids.users_banni }}.0.{{ dns_host_suffix_main }}, 10.{{ subnet_ids.users_banni }}.0.{{ dns_host_suffix_backup }};
pool {
range 10.{{ subnet_ids.users_banni }}.1.0 10.{{ subnet_ids.users_banni }}.2.255;
{% if dhcp_failover is defined %}
failover peer "dhcp-failover";
{% endif %}
}
}
# Accueil
subnet 10.{{ subnet_ids.users_accueil }}.0.0 netmask 255.255.0.0 {
interface "ens23";
option subnet-mask 255.255.0.0;
option broadcast-address 10.{{ subnet_ids.users_accueil }}.255.255;
option routers 10.{{ subnet_ids.users_accueil }}.0.{{ router_ip_suffix }};
option domain-name "accueil.{{ apartment_block_dhcp }}.auro.re";
option domain-search "auro.re";
option domain-name-servers 10.{{ subnet_ids.users_accueil }}.0.{{ dns_host_suffix_main }}, 10.{{ subnet_ids.users_accueil }}.0.{{ dns_host_suffix_backup }};
pool {
range 10.{{ subnet_ids.users_accueil }}.1.0 10.{{ subnet_ids.users_accueil }}.2.255;
{% if dhcp_failover is defined %}
failover peer "dhcp-failover";
{% endif %}
}
}

11
roles/isc_dhcp_server/templates/logrotate.d/dhcp.j2
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@ -1,11 +0,0 @@
/var/log/dhcp/dhcpd.log {
# common options
daily
rotate 365
missingok
compress
delaycompress
notifempty
copytruncate
}

4
roles/isc_dhcp_server/vars/main.yml
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@ -1,4 +0,0 @@
---
dhcp_failover:
primary_host: dhcp-{{ apartment_block }}.adm.auro.re
secondary_host: dhcp-{{ apartment_block }}-backup.adm.auro.re