diff options
| -rw-r--r-- | inventory/group_vars/promzone-chaos-at-home/vars.yml | 2 | ||||
| -rw-r--r-- | inventory/host_vars/ch-mimas.yml | 9 | ||||
| -rw-r--r-- | inventory/host_vars/ch-mon.yml | 2 | ||||
| -rw-r--r-- | inventory/host_vars/ch-pan.yml | 11 | ||||
| -rw-r--r-- | roles/monitoring/grafana/files/dashboard-bind.json | 2253 | ||||
| -rw-r--r-- | roles/monitoring/prometheus/exporter/bind/defaults/main.yml | 9 | ||||
| -rw-r--r-- | roles/monitoring/prometheus/exporter/bind/handlers/main.yml | 10 | ||||
| -rw-r--r-- | roles/monitoring/prometheus/exporter/bind/tasks/main.yml | 44 | ||||
| -rw-r--r-- | roles/monitoring/prometheus/exporter/bind/templates/service.j2 | 30 | ||||
| -rw-r--r-- | roles/monitoring/prometheus/exporter/meta/main.yml | 2 | ||||
| -rw-r--r-- | roles/monitoring/prometheus/server/defaults/main/main.yml | 1 | ||||
| -rw-r--r-- | roles/monitoring/prometheus/server/defaults/main/rules_bind.yml | 11 | ||||
| -rw-r--r-- | roles/network/bind/defaults/main.yml | 9 | ||||
| -rw-r--r-- | roles/network/bind/tasks/main.yml | 22 | ||||
| -rw-r--r-- | roles/network/bind/templates/stats.j2 | 7 |
15 files changed, 2420 insertions, 2 deletions
diff --git a/inventory/group_vars/promzone-chaos-at-home/vars.yml b/inventory/group_vars/promzone-chaos-at-home/vars.yml index 2cc051c0..2a71f94f 100644 --- a/inventory/group_vars/promzone-chaos-at-home/vars.yml +++ b/inventory/group_vars/promzone-chaos-at-home/vars.yml @@ -11,6 +11,7 @@ prometheus_exporter_ssl_version: 2.4.2 prometheus_exporter_blackbox_version: 0.22.0 prometheus_exporter_nut_version: 2.4.2 prometheus_exporter_smokeping_version: 0.6.1 +prometheus_exporter_bind_version: 0.5.0 prometheus_server_version: 2.38.0 prometheus_alertmanager_version: 0.24.0 @@ -27,6 +28,7 @@ prometheus_server_jobs: - ssl - ssl/probe - smokeping + - bind prometheus_zone_name: chaos@home prometheus_zone_targets: "{{ groups['promzone-chaos-at-home'] }}" diff --git a/inventory/host_vars/ch-mimas.yml b/inventory/host_vars/ch-mimas.yml index 7994ed2d..b5de8e27 100644 --- a/inventory/host_vars/ch-mimas.yml +++ b/inventory/host_vars/ch-mimas.yml @@ -21,6 +21,12 @@ bind_option_allow_recursion: - localhost bind_option_notify: 'no' +bind_stats_channels: + - addr: 127.0.0.1 + port: 8053 + allow: + - 127.0.0.1 + bind_empty_onion_zone: yes bind_slave_zones: pan: @@ -72,6 +78,9 @@ bind_slave_zones: prometheus_scrape_endpoint: "116.203.212.131:9999" +prometheus_exporters_extra: + - bind + prometheus_job_multitarget_blackbox__probe: ch-mon: - instance: "ssh-{{ inventory_hostname }}" diff --git a/inventory/host_vars/ch-mon.yml b/inventory/host_vars/ch-mon.yml index 4e324830..17fc2024 100644 --- a/inventory/host_vars/ch-mon.yml +++ b/inventory/host_vars/ch-mon.yml @@ -194,3 +194,5 @@ grafana_dashboards: datasource: "Prometheus" - file: smokeping datasource: "Prometheus" + - file: bind + datasource: "Prometheus" diff --git a/inventory/host_vars/ch-pan.yml b/inventory/host_vars/ch-pan.yml index 4198d252..0f370fb9 100644 --- a/inventory/host_vars/ch-pan.yml +++ b/inventory/host_vars/ch-pan.yml @@ -50,6 +50,12 @@ bind_option_allow_update: bind_option_allow_recursion: - localhost +bind_stats_channels: + - addr: 127.0.0.1 + port: 8053 + allow: + - 127.0.0.1 + bind_empty_onion_zone: yes bind_master_zones: @@ -99,10 +105,13 @@ bind_slave_zones: - 151.33.193.in-addr.arpa +prometheus_exporters_extra: + - bind + prometheus_job_multitarget_blackbox__probe: ch-mon: - instance: "ssh-{{ inventory_hostname }}" - target: "{{ network.primary.address | ipaddr('address') }}:{{ ansible_port | default(22) }}" + target: "{{ network.primary.address | ansible.utils.ipaddr('address') }}:{{ ansible_port | default(22) }}" module: ssh_banner - instance: "https-pan.chaos-at-home.org" target: "https://pan.chaos-at-home.org" diff --git a/roles/monitoring/grafana/files/dashboard-bind.json b/roles/monitoring/grafana/files/dashboard-bind.json new file mode 100644 index 00000000..658761ed --- /dev/null +++ b/roles/monitoring/grafana/files/dashboard-bind.json @@ -0,0 +1,2253 @@ +{ + "__inputs": [ + { + "name": "DS_PROMETHEUS", + "label": "Prometheus", + "description": "", + "type": 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+ "queryValue": "", + "refresh": 1, + "regex": "", + "skipUrlSync": false, + "type": "datasource" + }, + { + "current": {}, + "datasource": { + "type": "prometheus", + "uid": "${DS_PROMETHEUS}" + }, + "definition": "", + "hide": 0, + "includeAll": false, + "label": "Host:", + "multi": false, + "name": "node", + "options": [], + "query": { + "query": "label_values(bind_up, instance)", + "refId": "Prometheus-node-Variable-Query" + }, + "refresh": 1, + "regex": "", + "skipUrlSync": false, + "sort": 1, + "tagValuesQuery": "", + "tagsQuery": "", + "type": "query", + "useTags": false + } + ] + }, + "time": { + "from": "now-6h", + "to": "now" + }, + "timepicker": { + "refresh_intervals": [ + "5s", + "10s", + "30s", + "1m", + "5m", + "15m", + "30m", + "1h", + "2h", + "1d" + ], + "time_options": [ + "5m", + "15m", + "1h", + "6h", + "12h", + "24h", + "2d", + "7d", + "30d" + ] + }, + "timezone": "browser", + "title": "Bind9", + "uid": "XTqyUORMz", + "version": 5, + "weekStart": "" +}
\ No newline at end of file diff --git a/roles/monitoring/prometheus/exporter/bind/defaults/main.yml b/roles/monitoring/prometheus/exporter/bind/defaults/main.yml new file mode 100644 index 00000000..66a6fcc9 --- /dev/null +++ b/roles/monitoring/prometheus/exporter/bind/defaults/main.yml @@ -0,0 +1,9 @@ +--- +# prometheus_exporter_bind_version: + +prometheus_exporter_bind_stats_version: auto + +prometheus_exporter_bind_stats_groups: + - server + - view + - tasks diff --git a/roles/monitoring/prometheus/exporter/bind/handlers/main.yml b/roles/monitoring/prometheus/exporter/bind/handlers/main.yml new file mode 100644 index 00000000..5fa1f04d --- /dev/null +++ b/roles/monitoring/prometheus/exporter/bind/handlers/main.yml @@ -0,0 +1,10 @@ +--- +- name: restart prometheus-bind-exporter + service: + name: prometheus-bind-exporter + state: restarted + +- name: reload nginx + service: + name: nginx + state: reloaded diff --git a/roles/monitoring/prometheus/exporter/bind/tasks/main.yml b/roles/monitoring/prometheus/exporter/bind/tasks/main.yml new file mode 100644 index 00000000..1ac4b8d7 --- /dev/null +++ b/roles/monitoring/prometheus/exporter/bind/tasks/main.yml @@ -0,0 +1,44 @@ +--- +- name: generate apt pin file for exporter-bind package + when: prometheus_exporter_bind_version is defined + copy: + dest: "/etc/apt/preferences.d/prom-exporter-bind.pref" + content: | + Package: prom-exporter-bind + Pin: version {{ prometheus_exporter_bind_version }}-1 + Pin-Priority: 1001 + +- name: remove apt pin file for exporter-bind package + when: prometheus_exporter_bind_version is not defined + file: + path: "/etc/apt/preferences.d/prom-exporter-bind.pref" + state: absent + +- name: install apt packages + apt: + name: "prom-exporter-bind{% if prometheus_exporter_bind_version is defined %}={{ prometheus_exporter_bind_version }}-1{% endif %}" + state: present + allow_downgrade: yes + notify: restart prometheus-bind-exporter + +- name: generate systemd service unit + template: + src: service.j2 + dest: /etc/systemd/system/prometheus-bind-exporter.service + notify: restart prometheus-bind-exporter + +- name: make sure prometheus-bind-exporter is enabled and started + systemd: + name: prometheus-bind-exporter.service + daemon_reload: yes + state: started + enabled: yes + +- name: register exporter + copy: + content: | + location = /bind { + proxy_pass http://127.0.0.1:9119/metrics; + } + dest: /etc/prometheus/exporter/bind.locations + notify: reload nginx diff --git a/roles/monitoring/prometheus/exporter/bind/templates/service.j2 b/roles/monitoring/prometheus/exporter/bind/templates/service.j2 new file mode 100644 index 00000000..853fee18 --- /dev/null +++ b/roles/monitoring/prometheus/exporter/bind/templates/service.j2 @@ -0,0 +1,30 @@ +[Unit] +Description=Prometheus bind exporter + +[Service] +Restart=always +User=prometheus-exporter +ExecStart=/usr/bin/prometheus-bind-exporter --web.listen-address="127.0.0.1:9119" --bind.stats-version="{{ prometheus_exporter_bind_stats_version }}" --bind.stats-groups="{{ prometheus_exporter_bind_stats_groups | join(',') }}" + +# systemd hardening-options +AmbientCapabilities= +CapabilityBoundingSet= +DeviceAllow=/dev/null rw +DevicePolicy=strict +LockPersonality=true +MemoryDenyWriteExecute=true +NoNewPrivileges=true +PrivateDevices=true +PrivateTmp=true +ProtectControlGroups=true +ProtectHome=true +ProtectKernelModules=true +ProtectKernelTunables=true +ProtectSystem=strict +RemoveIPC=true +RestrictNamespaces=true +RestrictRealtime=true +SystemCallArchitectures=native + +[Install] +WantedBy=multi-user.target diff --git a/roles/monitoring/prometheus/exporter/meta/main.yml b/roles/monitoring/prometheus/exporter/meta/main.yml index 704b0f00..3999b608 100644 --- a/roles/monitoring/prometheus/exporter/meta/main.yml +++ b/roles/monitoring/prometheus/exporter/meta/main.yml @@ -15,3 +15,5 @@ dependencies: when: "'ssl' in (prometheus_exporters_default | union(prometheus_exporters_extra))" - role: monitoring/prometheus/exporter/smokeping when: "'smokeping' in (prometheus_exporters_default | union(prometheus_exporters_extra))" + - role: monitoring/prometheus/exporter/bind + when: "'bind' in (prometheus_exporters_default | union(prometheus_exporters_extra))" diff --git a/roles/monitoring/prometheus/server/defaults/main/main.yml b/roles/monitoring/prometheus/server/defaults/main/main.yml index 611b1fef..8aa06d42 100644 --- a/roles/monitoring/prometheus/server/defaults/main/main.yml +++ b/roles/monitoring/prometheus/server/defaults/main/main.yml @@ -28,6 +28,7 @@ prometheus_server_rules: ssl: "{{ prometheus_server_rules_ssl + prometheus_server_rules_ssl_extra }}" ssl/probe: "{{ prometheus_server_rules_ssl__probe + prometheus_server_rules_ssl__probe_extra }}" smokeping: "{{ prometheus_server_rules_smokeping + prometheus_server_rules_smokeping_extra }}" + bind: "{{ prometheus_server_rules_bind + prometheus_server_rules_bind_extra }}" # prometheus_server_alertmanager: # url: "127.0.0.1:9093" diff --git a/roles/monitoring/prometheus/server/defaults/main/rules_bind.yml b/roles/monitoring/prometheus/server/defaults/main/rules_bind.yml new file mode 100644 index 00000000..4c401b9d --- /dev/null +++ b/roles/monitoring/prometheus/server/defaults/main/rules_bind.yml @@ -0,0 +1,11 @@ +--- +prometheus_server_rules_bind_extra: [] +prometheus_server_rules_bind: + - alert: BindStatsUnreachable + expr: bind_up == 0 + for: 0m + labels: + severity: critical + annotations: + summary: Unable to scrape bind stats channel (instance {{ '{{' }} $labels.instance {{ '}}' }}) + description: "The bind process might have crashed.\n VALUE = {{ '{{' }} $value {{ '}}' }}\n LABELS = {{ '{{' }} $labels {{ '}}' }}" diff --git a/roles/network/bind/defaults/main.yml b/roles/network/bind/defaults/main.yml index 80dbe396..7ed9521b 100644 --- a/roles/network/bind/defaults/main.yml +++ b/roles/network/bind/defaults/main.yml @@ -1,4 +1,12 @@ --- +## stats + +# bind_stats_channels: +# - addr: 127.0.0.1 +# port: 8053 +# allow: +# - 127.0.0.1 + ## options # bind_option_empty_zones_enable: yes @@ -9,7 +17,6 @@ # bind_option_also_notify: [] # bind_option_allow_transfer: [] - ## zone configs bind_empty_onion_zone: no diff --git a/roles/network/bind/tasks/main.yml b/roles/network/bind/tasks/main.yml index 2303e76c..49898162 100644 --- a/roles/network/bind/tasks/main.yml +++ b/roles/network/bind/tasks/main.yml @@ -89,6 +89,28 @@ notify: reload bind +- name: add stats configuration + when: bind_stats_channels is defined + template: + src: stats.j2 + dest: /etc/bind/named.conf.stats + notify: reload bind + +- name: remove stats configuration + when: bind_stats_channels is not defined + file: + path: /etc/bind/named.conf.stats + state: absent + notify: reload bind + +- name: enable/disable stats configuration + lineinfile: + path: /etc/bind/named.conf + line: 'include "/etc/bind/named.conf.stats";' + state: "{{ bind_stats_channels is defined | ternary('present', 'absent') }}" + notify: reload bind + + - name: add slave zone configuration when: bind_slave_zones is defined template: diff --git a/roles/network/bind/templates/stats.j2 b/roles/network/bind/templates/stats.j2 new file mode 100644 index 00000000..06a1f514 --- /dev/null +++ b/roles/network/bind/templates/stats.j2 @@ -0,0 +1,7 @@ +// Stats + +statistics-channels { +{% for channel in bind_stats_channels %} + inet {{ channel.addr | default('*') }}{% if 'port' in channel %} port {{ channel.port }}{% endif %}{% if 'allow' in channel %} allow { {{ channel.allow | join('; ') }}; }{% endif %}; +{% endfor %} +}; |