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local_ip_address is added from TLV22 Extended IS reachability
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@Vadims06
Vadims06 committed Dec 27, 2024
1 parent b463153 commit 7940824
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19 changes: 10 additions & 9 deletions README.md
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Expand Up @@ -18,14 +18,14 @@ Watcher stores topology events/state to show historical network state, whereas T
![](./docs/functional-watcher-role.png)

### Supported IS-IS TLV
| TLV name | TLV |
|----------------------------------|-----|
| IS Reachability | 2 |
| Extended IS Reachability (new) | 22 |
| IPv4 Internal Reachability (old) | 128 |
| IPv4 External Reachability (old) | 130 |
| Extended IPv4 Reachability (new) | 135 |
| IPv6 Reachability | 236 |
| TLV name | TLV | subTLV |
|----------------------------------|-----|-----------|
| IS Reachability | 2 | |
| Extended IS Reachability (new) | 22 | 6,8,12,13 |
| IPv4 Internal Reachability (old) | 128 | |
| IPv4 External Reachability (old) | 130 | |
| Extended IPv4 Reachability (new) | 135 | |
| IPv6 Reachability | 236 | |

### Network architecture
Number of watchers is equal to the number of IS-IS areas and each Watcher is placed in individual network namespace. IS-IS LSDB sits in watcher's namespace and doesn't interact with other Watchers keeping it isolated.
Expand Down Expand Up @@ -266,7 +266,8 @@ Make sure that:
* `01Jan2023_00h00m00s_7_hosts` - name of graph in Topolograph dashboard
* `49.0002` - area number
* `12345` - AS number
*Summary: `0200.1001.0003` detected that `0200.1001.0002` host went down at `2023-01-01T00:00:00Z` in IS-IS level 1 in area 49.0002 in AS 12345*
* `10.1.23.3` - Local IP address of detected node `0200.1001.0003` (available in 2.0.15)
*Summary: `0200.1001.0003` on the interface with `10.1.23.3` IP address detected that `0200.1001.0002` host went down at `2023-01-01T00:00:00Z` in IS-IS level 1 in area 49.0002 in AS 12345*

##### Logs sample 2
```
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2 changes: 1 addition & 1 deletion logstash/index_template/create.py
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Expand Up @@ -12,7 +12,7 @@
headers = {'Content-Type':'application/json'}

indexTempateNameToSettings = {}
indexTempateNameToSettings['isis-watcher-updown-events'] = {'index_patterns': ['isis-watcher-updown-events*'], 'template': {'mappings': {'dynamic': False, 'properties': {"@timestamp": {"type": "date"},"watcher_time": { "type": "date", "format": "date_optional_time"},"watcher_time_iso8601": { "type": "date", "format": "date_optional_time"},"watcher_name": {"type": "keyword"},"level_number": {"type": "keyword"},"event_name": {"type": "keyword"},"event_object": {"type": "keyword"},"old_cost": {"type": "integer"},"new_cost": {"type": "integer"},"event_detected_by": {"type": "keyword"},"graph_time": {"type": "keyword"},"asn": {"type": "keyword"},"area_num": {"type": "keyword"}}}}, '_meta': {'description': 'IS-IS index template for Watcher logs'}, 'allow_auto_create': True}
indexTempateNameToSettings['isis-watcher-updown-events'] = {'index_patterns': ['isis-watcher-updown-events*'], 'template': {'mappings': {'dynamic': False, 'properties': {"@timestamp": {"type": "date"},"watcher_time": { "type": "date", "format": "date_optional_time"},"watcher_time_iso8601": { "type": "date", "format": "date_optional_time"},"watcher_name": {"type": "keyword"},"level_number": {"type": "keyword"},"event_name": {"type": "keyword"},"event_object": {"type": "keyword"},"old_cost": {"type": "integer"},"new_cost": {"type": "integer"},"event_detected_by": {"type": "keyword"},"graph_time": {"type": "keyword"},"asn": {"type": "keyword"},"area_num": {"type": "keyword"},"local_ip_address": {"type": "keyword"}}}}, '_meta': {'description': 'IS-IS index template for Watcher logs'}, 'allow_auto_create': True}
indexTempateNameToSettings['isis-watcher-costs-changes'] = {'index_patterns': ['isis-watcher-costs-changes*'], 'template': {'mappings': {'dynamic': False, 'properties': {"@timestamp": {"type": "date"},"watcher_time": { "type": "date", "format": "date_optional_time"},"watcher_time_iso8601": { "type": "date", "format": "date_optional_time"},"watcher_name": {"type": "keyword"},"level_number": {"type": "keyword"},"event_name": {"type": "keyword"},"event_object": {"type": "keyword"},"old_cost": {"type": "integer"},"new_cost": {"type": "integer"},"event_detected_by": {"type": "keyword"},"subnet_type": {"type": "keyword"},"graph_time": {"type": "keyword"},"asn": {"type": "keyword"},"area_num": {"type": "keyword"},"int_ext_subtype": {"type": "integer"}}}}, '_meta': {'description': 'IS-IS index template for Watcher costs changes logs'}, 'allow_auto_create': True}

for indexTemplateName, indexTemplateSettings in indexTempateNameToSettings.items():
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16 changes: 8 additions & 8 deletions logstash/pipeline/logstash.conf
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Expand Up @@ -7,10 +7,10 @@ input {
filter {
if "changed" in [message] {
if "metric" in [message] {
# 2024-10-08T22:55:32Z,watcher1,1,metric,0200.1001.0004,changed,old_cost:5,new_cost:-1,0200.1001.0005,10Oct2024_00h00m00s_7_hosts,49.0002,12345
# 2024-10-08T22:55:32Z,watcher1,1,metric,0200.1001.0003,changed,old_cost:5,new_cost:-1,0200.1001.0002,10Oct2024_00h00m00s_7_hosts,49.0002,12345,10.1.23.2

dissect {
mapping => { "message" => "%{watcher_time},%{watcher_name},%{level_number},%{event_name},%{event_object},%{event_status},old_cost:%{old_cost},new_cost:%{new_cost},%{event_detected_by},%{graph_time},%{area_num},%{asn}"}
mapping => { "message" => "%{watcher_time},%{watcher_name},%{level_number},%{event_name},%{event_object},%{event_status},old_cost:%{old_cost},new_cost:%{new_cost},%{event_detected_by},%{graph_time},%{area_num},%{asn},%{local_ip_address}"}
}
if "-1" == [new_cost] {
mutate {
Expand All @@ -21,8 +21,8 @@ filter {
"[@metadata][zabbix_host]" => "isis_neighbor_up_down"
"[@metadata][z_object_item_name]" => "isis_neighbor_up_down"

"[@metadata][z_item_value]" => "IS-IS L%{level_number} down between %{event_object}-%{event_detected_by}, cost:%{new_cost}, detected by:%{event_detected_by}"
"[@metadata][webhook_item_value]" => "IS-IS L%{level_number} down between %{event_object}-%{event_detected_by}, cost:%{new_cost}, detected by:%{event_detected_by}" }}
"[@metadata][z_item_value]" => "IS-IS L%{level_number} down between %{event_object}-%{event_detected_by}, cost:%{new_cost}, detected by:%{event_detected_by}, local ip address:%{local_ip_address}"
"[@metadata][webhook_item_value]" => "IS-IS L%{level_number} down between %{event_object}-%{event_detected_by}, cost:%{new_cost}, detected by:%{event_detected_by}, local ip address:%{local_ip_address}" }}
} else if "-1" == [old_cost] {
mutate {
add_field => {
Expand All @@ -32,17 +32,17 @@ filter {
"[@metadata][zabbix_host]" => "isis_neighbor_up_down"
"[@metadata][z_object_item_name]" => "isis_neighbor_up_down"

"[@metadata][z_item_value]" => "IS-IS L%{level_number} up between %{event_object}-%{event_detected_by}, cost:%{new_cost}, detected by:%{event_detected_by}"
"[@metadata][webhook_item_value]" => "IS-IS L%{level_number} up between %{event_object}-%{event_detected_by}, cost:%{new_cost}, detected by:%{event_detected_by}" }}
"[@metadata][z_item_value]" => "IS-IS L%{level_number} up between %{event_object}-%{event_detected_by}, cost:%{new_cost}, detected by:%{event_detected_by}, local ip address:%{local_ip_address}"
"[@metadata][webhook_item_value]" => "IS-IS L%{level_number} up between %{event_object}-%{event_detected_by}, cost:%{new_cost}, detected by:%{event_detected_by}, local ip address:%{local_ip_address}" }}
} else {
mutate {
add_field => {
"[@metadata][elasticsearch_index]" => "isis-watcher-costs-changes"
"[@metadata][mongo_id]" => "output_mongo_cost"
"[@metadata][mongo_collection_name]" => "cost_change"
"[@metadata][zabbix_host]" => "isis_link_cost_change"
"[@metadata][z_item_value]" => "IS-IS L%{level_number} link cost changed between:%{event_object}-%{event_detected_by}, old:%{old_cost}, new:%{new_cost}, detected by:%{event_detected_by}"
"[@metadata][webhook_item_value]" => "IS-IS L%{level_number} link cost changed between:%{event_object}-%{event_detected_by}, old:%{old_cost}, new:%{new_cost}, detected by:%{event_detected_by}" } }
"[@metadata][z_item_value]" => "IS-IS L%{level_number} link cost changed between:%{event_object}-%{event_detected_by}, old:%{old_cost}, new:%{new_cost}, detected by:%{event_detected_by}, local ip address:%{local_ip_address}"
"[@metadata][webhook_item_value]" => "IS-IS L%{level_number} link cost changed between:%{event_object}-%{event_detected_by}, old:%{old_cost}, new:%{new_cost}, detected by:%{event_detected_by}, local ip address:%{local_ip_address}" } }
}
}
else if "network" in [message] {
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