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Adds YANG models for configurable intervals in CONFIG_DB for stormond (#18657)
#### Why I did it This is part of a larger feature: [SONiC Storage Monitoring Daemon](sonic-net/SONiC#1481) -- this commit adds the option to configure the daemon's polling interval and fsstats file sync interval (in seconds) of the daemon via config_db by introducing YANG models. #### How I did it Gives userside the option to dynamically a new table 'STORMOND' with key INTERVALS and fields 'daemon_polling_interval' with default value of '3600' seconds and 'fsstats_sync_interval' with default value of '86400' seconds as defined in the YANG model. #### How to verify it Flash image onto a DUT and add the aforementioned table to the CONFIG_DB. Verify that `stormond` has picked up your config intervals.
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‎src/sonic-yang-models/doc/Configuration.md

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| collector_port | Destination L4 port of the Sflow collector | | 6343 | |
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| collector_vrf | Specify the Collector VRF. In this revision, it is either default VRF or Management VRF.| | | |
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### Storage Monitoring Daemon Interval Configuration
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These options are used to configure the daemon polling and sync-to-disk interval
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of the Storage Monitoring Daemon (stormond)
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**Config Sample**
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```
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{
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"STORMOND_CONFIG": {
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"INTERVALS": {
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"daemon_polling_interval" : "60",
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"fsstats_sync_interval" : "360"
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}
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}
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}
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```
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* `daemon_polling_interval` - Determines how often stormond queries the disk for relevant information and posts to STATE_DB
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* `fsstats_sync_interval` - Determines how often key information from the STATE_DB is synced to a file on disk
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### Syslog Global Configuration
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These configuration options are used to configure rsyslog utility and the way

‎src/sonic-yang-models/tests/files/sample_config_db.json

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"global": {
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}
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}
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},
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"STORMOND_CONFIG": {
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"INTERVALS": {
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"daemon_polling_interval" : "3600",
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"fsstats_sync_interval" : "86400"
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}
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}
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}

‎src/sonic-yang-models/tests/yang_model_tests/tests/stormond.json

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{
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"STORMOND_CONFIG_TABLE": {
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"desc": "Config DB interval parameters for Storage Monitoring Daemon"
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},
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"STORMOND_INVALID_POLLING_INTERVAL": {
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"desc": "Configure an invalid daemon polling interval",
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"eStrKey" : "InvalidValue"
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},
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"STORMOND_INVALID_SYNC_INTERVAL": {
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"desc": "Configure an invalid fsstats file sync interval",
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"eStrKey" : "InvalidValue"
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},
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"STORMOND_POLLING_INTVL_BAD_LEN_MAX": {
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"desc": "Configure an invalid daemon polling interval: out of range value",
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"eStrKey" : "InvalidValue"
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},
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"STORMOND_SYNC_INTVL_BAD_LEN_MAX": {
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"desc": "Configure an invalid fsstats file sync interval: out of range value",
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"eStrKey" : "InvalidValue"
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},
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"STORMOND_SYNC_INTVL_EMPTY_VALUE": {
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"desc": "Configure an empty file sync interval",
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"eStrKey" : "InvalidValue"
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},
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"STORMOND_POLLING_INTVL_EMPTY_VALUE": {
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"desc": "Configure an empty file sync interval",
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"eStrKey" : "InvalidValue"
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}
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}

‎src/sonic-yang-models/tests/yang_model_tests/tests_config/stormond.json

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{
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"STORMOND_CONFIG_TABLE": {
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"sonic-stormond-config:sonic-stormond-config": {
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"sonic-stormond-config:STORMOND_CONFIG": {
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"INTERVALS":{
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"daemon_polling_interval" : "3600",
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"fsstats_sync_interval" : "86400"
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}
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}
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}
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},
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"STORMOND_INVALID_POLLING_INTERVAL": {
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"sonic-stormond-config:sonic-stormond-config": {
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"sonic-stormond-config:STORMOND_CONFIG": {
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"INTERVALS":{
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"daemon_polling_interval" : "-1",
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"fsstats_sync_interval" : "86400"
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}
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}
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}
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},
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"STORMOND_INVALID_SYNC_INTERVAL": {
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"sonic-stormond-config:sonic-stormond-config": {
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"sonic-stormond-config:STORMOND_CONFIG": {
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"INTERVALS":{
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"daemon_polling_interval" : "3600",
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"fsstats_sync_interval" : "five_thousand_two_hundred_seconds"
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}
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}
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}
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},
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"STORMOND_POLLING_INTVL_BAD_LEN_MAX": {
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"sonic-stormond-config:sonic-stormond-config": {
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"sonic-stormond-config:STORMOND_CONFIG": {
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"INTERVALS":{
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"daemon_polling_interval" : "360036003600360036003600360036003",
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"fsstats_sync_interval" : "86400"
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}
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}
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}
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},
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"STORMOND_SYNC_INTVL_BAD_LEN_MAX": {
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"sonic-stormond-config:sonic-stormond-config": {
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"sonic-stormond-config:STORMOND_CONFIG": {
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"INTERVALS":{
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"daemon_polling_interval" : "3600",
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"fsstats_sync_interval" : "864008640086400864008640086400864"
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}
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}
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}
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},
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"STORMOND_SYNC_INTVL_EMPTY_VALUE": {
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"sonic-stormond-config:sonic-stormond-config": {
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"sonic-stormond-config:STORMOND_CONFIG": {
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"INTERVALS":{
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"daemon_polling_interval" : "3600",
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"fsstats_sync_interval" : ""
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}
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}
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}
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},
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"STORMOND_POLLING_INTVL_EMPTY_VALUE": {
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"sonic-stormond-config:sonic-stormond-config": {
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"sonic-stormond-config:STORMOND_CONFIG": {
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"INTERVALS":{
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"daemon_polling_interval" : "",
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"fsstats_sync_interval" : "86400"
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}
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}
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}
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}
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}

‎src/sonic-yang-models/yang-models/sonic-stormond-config.yang

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module sonic-stormond-config{
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yang-version 1.1;
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namespace "http://github.com/sonic-net/sonic-stormond-config";
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prefix stormond-config;
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import sonic-types {
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prefix stypes;
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}
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description "STORMOND_CONFIG Table yang Module for SONiC";
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container sonic-stormond-config {
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container STORMOND_CONFIG {
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description "stormond_config table in config_db.json";
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container INTERVALS {
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leaf daemon_polling_interval {
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description "Polling inerval for Storage Monitoring Daemon in STORMOND_CONFIG table";
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type uint32 {
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range "1..4294967295";
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}
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default "3600";
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}
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leaf fsstats_sync_interval {
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description "FSSTATS JSON file syncing interval for the Storage Monitoring Daemon in STORMOND_CONFIG table";
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type uint32 {
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range "1..4294967295";
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}
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default "86400";
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}
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}
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}
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}
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}

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