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Install and configure nsd and unbound on emma.ccchb.de 

Fixes #16
This commit is contained in:
genofire 2020-10-23 19:35:52 +02:00
parent 8ea37c14df
commit 83a7a1b4d1
19 changed files with 574 additions and 0 deletions
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14
roles/nsd/handlers/main.yml Normal file
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---
- name: Reload s6-rc
service:
name: s6-rc
state: reloaded
- name: Reload nsd
command: s6-svc -h /run/service/nsd
- name: Restart nsd
command: s6-svc -wR -T 5000 -ru /run/service/nsd
- name: Restart nsd log
command: s6-svc -wR -T 5000 -ru /run/service/nsd-log

84
roles/nsd/tasks/main.yml Normal file
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---
- name: Install nsd
package:
name: nsd
state: present
- name: Add /var/log/nsd to fstab
mount:
path: /var/log/nsd
src: tmpfs
fstype: tmpfs
opts: 'rw,size={{ nsd_log_size }},mode={{ nsd_log_mode }},uid={{ nsd_log_uid }},gid={{ nsd_log_gid }},late'
state: mounted
- name: Create nsd service directories
file:
path: '/etc/s6-rc/service/{{ item }}'
state: directory
owner: root
group: wheel
mode: 0755
with_items: '{{ nsd_service_dirs }}'
notify:
- Reload s6-rc
- Restart nsd log
- Restart nsd
- name: Generate nsd service scripts
template:
dest: '/etc/s6-rc/service/{{ item }}'
src: '{{ item }}.j2'
mode: 0555
owner: root
group: wheel
with_items: '{{ nsd_service_scripts }}'
notify:
- Reload s6-rc
- Restart nsd log
- Restart nsd
- name: Generate nsd service configuration
copy:
dest: '/etc/s6-rc/service/{{ item.name }}'
content: '{{ item.content }}'
mode: 0444
owner: root
group: wheel
loop_control:
label: '{{ item.name }} = {{ item.content }}'
notify:
- Reload s6-rc
- Restart nsd log
- Restart nsd
with_items: '{{ nsd_service_config }}'
- name: Configure nsd
template:
dest: /usr/local/etc/nsd/nsd.conf
src: nsd.conf.j2
mode: 0444
owner: root
group: wheel
notify:
- Reload nsd
- name: Flush handlers
meta: flush_handlers
- name: Start nsd
command: fdmove -c 2 1 s6-rc -u -v 2 -t 15000 change nsd
register: change
changed_when: change.stdout | length > 0
- name: Enable nsd
lineinfile:
path: /etc/s6-rc/service/enabled/contents
regexp: "^nsd$"
line: nsd
state: present
notify:
- Reload s6-rc
- name: Flush handlers (again)
meta: flush_handlers

13
roles/nsd/templates/nsd-log/finish.j2 Normal file
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#!/usr/local/bin/execlineb -S2
# {{ ansible_managed }}
s6-envdir ./env
multisubstitute {
importas -i -u NAME NAME
}
fdmove -c 1 2
ifelse { test "${1}" -eq 0 } {
echo "${NAME}-log: Stopped."
}
echo "${NAME}-log: Failed with exit status (${1}, ${2})."

23
roles/nsd/templates/nsd-log/run.j2 Normal file
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#!/usr/local/bin/execlineb
# {{ ansible_managed }}
s6-envdir ./env
multisubstitute {
importas -i -u NAME NAME
importas -i -u USER USER
importas -i -u GROUP GROUP
importas -i -u MODE MODE
importas -i -u DIR DIR
}
foreground { fdmove -c 1 2 echo "${NAME} log: Starting." }
ifelse -n { install -d -o "${USER}" -g "${GROUP}" -m "${MODE}" "$DIR" } {
foreground { fdmove -c 1 2 echo "${NAME} log: Failed to create logging directory." }
false
}
fdmove -c 2 1
s6-envuidgid $USER
s6-log -d 3 T $DIR

40
roles/nsd/templates/nsd.conf.j2 Normal file
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# {{ ansible_managed }}
server:
ip-address: 127.0.0.1@5353
ip-address: ::1@5353
# policy
statistics: 3600
round-robin: yes
minimal-responses: yes
hide-version: yes
hide-identity: no
# performance
server-count: 1
tcp-timeout: 12
# place nice with s6-rc
log-time-ascii: no
debug-mode: yes
# Remote control config section.
remote-control:
control-enable: yes
control-interface: /var/run/nsd/control
zone:
name: "."
request-xfr: 192.228.79.201 NOKEY # b.root-servers.net
request-xfr: 192.33.4.12 NOKEY # c.root-servers.net
request-xfr: 192.5.5.241 NOKEY # f.root-servers.net
request-xfr: 192.112.36.4 NOKEY # g.root-servers.net
request-xfr: 193.0.14.129 NOKEY # k.root-servers.net
request-xfr: 192.0.47.132 NOKEY # xfr.cjr.dns.icann.org
request-xfr: 192.0.32.132 NOKEY # xfr.lax.dns.icann.org
request-xfr: 2001:500:84::b NOKEY # b.root-servers.net
request-xfr: 2001:500:2f::f NOKEY # f.root-servers.net
request-xfr: 2001:7fd::1 NOKEY # k.root-servers.net
request-xfr: 2620:0:2830:202::132 NOKEY # xfr.cjr.dns.icann.org
request-xfr: 2620:0:2d0:202::132 NOKEY # xfr.lax.dns.icann.org

18
roles/nsd/templates/nsd/data/check.j2 Normal file
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#!/usr/local/bin/execlineb -P
# {{ ansible_managed }}
s6-envdir ./env
multisubstitute {
importas -i -u NAME NAME
}
ifelse {
redirfd -w 1 /dev/null
fdmove -c 2 1
nsd-control status
} {
foreground { fdmove -c 1 2 echo "${NAME}: Ready." }
true
}
foreground { fdmove -c 1 2 echo "${NAME}: Poll." }
false

13
roles/nsd/templates/nsd/finish.j2 Normal file
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#!/usr/local/bin/execlineb -S2
# {{ ansible_managed }}
s6-envdir ./env
multisubstitute {
importas -i -u NAME NAME
}
fdmove -c 1 2
ifelse { test "${1}" -eq 0 } {
echo "${NAME}: Stopped."
}
echo "${NAME}: Failed with exit status (${1}, ${2})."

13
roles/nsd/templates/nsd/run.j2 Normal file
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#!/usr/local/bin/execlineb -P
# {{ ansible_managed }}
s6-envdir ./env
multisubstitute {
importas -i -u NAME NAME
}
foreground { fdmove -c 1 2 echo "${NAME}: Starting." }
s6-notifyoncheck -d -w 100 -n 70
fdmove -c 2 1
nsd

50
roles/nsd/vars/main.yml Normal file
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---
nsd_log_size: '32m'
nsd_log_mode: '750'
nsd_log_uid: '20000'
nsd_log_gid: '20000'
nsd_service_dirs:
- nsd
- nsd/env
- nsd/data
- nsd-log
- nsd-log/env
nsd_service_scripts:
- nsd/run
- nsd/finish
- nsd/data/check
- nsd-log/run
- nsd-log/finish
nsd_service_config:
- name: nsd/type
content: longrun
- name: nsd/producer-for
content: nsd-log
- name: nsd/notification-fd
content: 3
- name: nsd/env/NAME
content: nsd
- name: nsd/env/PATH
content: /sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/root/bin
- name: nsd-log/type
content: longrun
- name: nsd-log/notification-fd
content: 3
- name: nsd-log/consumer-for
content: nsd
- name: nsd-log/env/NAME
content: nsd
- name: nsd-log/env/PATH
content: /sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/root/bin
- name: nsd-log/env/MODE
content: '750'
- name: nsd-log/env/USER
content: s6-log
- name: nsd-log/env/GROUP
content: s6-log
- name: nsd-log/env/DIR
content: /var/log/nsd

14
roles/unbound/handlers/main.yml Normal file
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---
- name: Reload s6-rc
service:
name: s6-rc
state: reloaded
- name: Reload unbound
command: s6-svc -h /run/service/unbound
- name: Restart unbound
command: s6-svc -wR -T 5000 -ru /run/service/unbound
- name: Restart unbound log
command: s6-svc -wR -T 5000 -ru /run/service/unbound-log

84
roles/unbound/tasks/main.yml Normal file
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---
- name: Install unbound
package:
name: unbound
state: present
- name: Add /var/log/unbound to fstab
mount:
path: /var/log/unbound
src: tmpfs
fstype: tmpfs
opts: 'rw,size={{ unbound_log_size }},mode={{ unbound_log_mode }},uid={{ unbound_log_uid }},gid={{ unbound_log_gid }},late'
state: mounted
- name: Create unbound service directories
file:
path: '/etc/s6-rc/service/{{ item }}'
state: directory
owner: root
group: wheel
mode: 0755
with_items: '{{ unbound_service_dirs }}'
notify:
- Reload s6-rc
- Restart unbound log
- Restart unbound
- name: Generate unbound service scripts
template:
dest: '/etc/s6-rc/service/{{ item }}'
src: '{{ item }}.j2'
mode: 0555
owner: root
group: wheel
with_items: '{{ unbound_service_scripts }}'
notify:
- Reload s6-rc
- Restart unbound log
- Restart unbound
- name: Generate unbound service configuration
copy:
dest: '/etc/s6-rc/service/{{ item.name }}'
content: '{{ item.content }}'
mode: 0444
owner: root
group: wheel
loop_control:
label: '{{ item.name }} = {{ item.content }}'
notify:
- Reload s6-rc
- Restart unbound log
- Restart unbound
with_items: '{{ unbound_service_config }}'
- name: Configure unbound
template:
dest: /usr/local/etc/unbound/unbound.conf
src: unbound.conf.j2
mode: 0444
owner: root
group: wheel
notify:
- Reload unbound
- name: Flush handlers
meta: flush_handlers
- name: Start unbound
command: fdmove -c 2 1 s6-rc -u -v 2 -t 15000 change unbound
register: change
changed_when: change.stdout | length > 0
- name: Enable unbound
lineinfile:
path: /etc/s6-rc/service/enabled/contents
regexp: "^unbound$"
line: unbound
state: present
notify:
- Reload s6-rc
- name: Flush handlers (again)
meta: flush_handlers

13
roles/unbound/templates/unbound-log/finish.j2 Normal file
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@ -0,0 +1,13 @@
#!/usr/local/bin/execlineb -S2
# {{ ansible_managed }}
s6-envdir ./env
multisubstitute {
importas -i -u NAME NAME
}
fdmove -c 1 2
ifelse { test "${1}" -eq 0 } {
echo "${NAME}-log: Stopped."
}
echo "${NAME}-log: Failed with exit status (${1}, ${2})."

23
roles/unbound/templates/unbound-log/run.j2 Normal file
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@ -0,0 +1,23 @@
#!/usr/local/bin/execlineb
# {{ ansible_managed }}
s6-envdir ./env
multisubstitute {
importas -i -u NAME NAME
importas -i -u USER USER
importas -i -u GROUP GROUP
importas -i -u MODE MODE
importas -i -u DIR DIR
}
foreground { fdmove -c 1 2 echo "${NAME} log: Starting." }
ifelse -n { install -d -o "${USER}" -g "${GROUP}" -m "${MODE}" "$DIR" } {
foreground { fdmove -c 1 2 echo "${NAME} log: Failed to create logging directory." }
false
}
fdmove -c 2 1
s6-envuidgid $USER
s6-log -d 3 T $DIR

74
roles/unbound/templates/unbound.conf.j2 Normal file
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# {{ ansible_managed }}
#
server:
num-threads: 1
interface: 127.0.0.1
interface: ::1
outgoing-num-tcp: 128
incoming-num-tcp: 128
so-rcvbuf: 1m
so-sndbuf: 1m
do-ip4: yes
do-ip6: yes
do-udp: yes
do-tcp: yes
access-control: ::0/0 refuse
access-control: 0.0.0.0/0 refuse
access-control: ::1 allow
access-control: 127.0.0.0/8 allow
access-control: 2a01:4f8:150:926f::0/64 allow
access-control: 10.0.0.0/24 allow
chroot: "/usr/local/etc/unbound"
username: "unbound"
directory: "/usr/local/etc/unbound"
use-systemd: no
do-daemonize: no
use-syslog: no
logfile: ""
pidfile: "/usr/local/etc/unbound/unbound.pid"
hide-identity: yes
hide-version: yes
hide-trustanchor: yes
harden-dnssec-stripped: yes
harden-below-nxdomain: yes
qname-minimisation: yes
qname-minimisation-strict: yes
use-caps-for-id: yes
private-address: 10.0.0.0/8
private-address: 172.16.0.0/12
private-address: 192.168.0.0/16
private-address: 169.254.0.0/16
private-address: fd00::/8
private-address: fe80::/10
private-address: ::ffff:0:0/96
do-not-query-localhost: no
prefetch: yes
prefetch-key: yes
deny-any: no
rrset-roundrobin: yes
minimal-responses: yes
disable-dnssec-lame-check: no
module-config: "validator iterator"
local-zone: "10.in-addr.arpa" nodefault
remote-control:
control-enable: yes
control-interface: /usr/local/etc/unbound/control
stub-zone:
name: "."
stub-prime: no
stub-addr: 127.0.0.1@5353

18
roles/unbound/templates/unbound/data/check.j2 Normal file
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#!/usr/local/bin/execlineb -P
# {{ ansible_managed }}
s6-envdir ./env
multisubstitute {
importas -i -u NAME NAME
}
ifelse {
redirfd -w 1 /dev/null
fdmove -c 2 1
unbound-control status
} {
foreground { fdmove -c 1 2 echo "${NAME}: Ready." }
true
}
foreground { fdmove -c 1 2 echo "${NAME}: Poll." }
false

13
roles/unbound/templates/unbound/finish.j2 Normal file
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@ -0,0 +1,13 @@
#!/usr/local/bin/execlineb -S2
# {{ ansible_managed }}
s6-envdir ./env
multisubstitute {
importas -i -u NAME NAME
}
fdmove -c 1 2
ifelse { test "${1}" -eq 0 } {
echo "${NAME}: Stopped."
}
echo "${NAME}: Failed with exit status (${1}, ${2})."

13
roles/unbound/templates/unbound/run.j2 Normal file
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@ -0,0 +1,13 @@
#!/usr/local/bin/execlineb -P
# {{ ansible_managed }}
s6-envdir ./env
multisubstitute {
importas -i -u NAME NAME
}
foreground { fdmove -c 1 2 echo "${NAME}: Starting." }
s6-notifyoncheck -d -w 100 -n 70
fdmove -c 2 1
unbound

52
roles/unbound/vars/main.yml Normal file
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---
unbound_log_size: '32m'
unbound_log_mode: '750'
unbound_log_uid: '20000'
unbound_log_gid: '20000'
unbound_service_dirs:
- unbound
- unbound/env
- unbound/data
- unbound-log
- unbound-log/env
unbound_service_scripts:
- unbound/run
- unbound/finish
- unbound/data/check
- unbound-log/run
- unbound-log/finish
unbound_service_config:
- name: unbound/type
content: longrun
- name: unbound/producer-for
content: unbound-log
- name: unbound/notification-fd
content: 3
- name: unbound/env/NAME
content: unbound
- name: unbound/env/PATH
content: /sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/root/bin
- name: unbound/dependencies
content: nsd
- name: unbound-log/type
content: longrun
- name: unbound-log/notification-fd
content: 3
- name: unbound-log/consumer-for
content: unbound
- name: unbound-log/env/NAME
content: unbound
- name: unbound-log/env/PATH
content: /sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/root/bin
- name: unbound-log/env/MODE
content: '750'
- name: unbound-log/env/USER
content: s6-log
- name: unbound-log/env/GROUP
content: s6-log
- name: unbound-log/env/DIR
content: /var/log/unbound

2
site.yml
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@ -1,5 +1,7 @@
---
- import_playbook: s6.yml
- import_playbook: dns.yml
- import_playbook: ntp.yml
- import_playbook: haproxy.yml
- import_playbook: bhyve.yml
- import_playbook: mail.yml