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netmaker/scripts/netmaker.default.env
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Abhishek Kondur 292af315dd NM-271: Scalability Improvements (#3921) 
* feat(go): add user schema;

* feat(go): migrate to user schema;

* feat(go): add audit fields;

* feat(go): remove unused fields from the network model;

* feat(go): add network schema;

* feat(go): migrate to network schema;

* refactor(go): add comment to clarify migration logic;

* fix(go): test failures;

* fix(go): test failures;

* feat(go): change membership table to store memberships at all scopes;

* feat(go): add schema for access grants;

* feat(go): remove nameservers from new networks table; ensure db passed for schema functions;

* feat(go): set max conns for sqlite to 1;

* fix(go): issues updating user account status;

* NM-236: streamline operations in HA mode

* NM-236: only master pod should subscribe to updates from clients

* refactor(go): remove converters and access grants;

* refactor(go): add json tags in schema models;

* refactor(go): rename file to migrate_v1_6_0.go;

* refactor(go): add user groups and user roles tables; use schema tables;

* refactor(go): inline get and list from schema package;

* refactor(go): inline get network and list users from schema package;

* fix(go): staticcheck issues;

* fix(go): remove test not in use; fix test case;

* fix(go): validate network;

* fix(go): resolve static checks;

* fix(go): new models errors;

* fix(go): test errors;

* fix(go): handle no records;

* fix(go): add validations for user object;

* fix(go): set correct extclient status;

* fix(go): test error;

* feat(go): make schema the base package;

* feat(go): add host schema;

* feat(go): use schema host everywhere;

* feat(go): inline get host, list hosts and delete host;

* feat(go): use non-ptr value;

* feat(go): use save to upsert all fields;

* feat(go): use save to upsert all fields;

* feat(go): save turn endpoint as string;

* feat(go): check for gorm error record not found;

* fix(go): test failures;

* fix(go): update all network fields;

* fix(go): update all network fields;

* feat(go): add paginated list networks api;

* feat(go): add paginated list users api;

* feat(go): add paginated list hosts api;

* feat(go): add pagination to list groups api;

* fix(go): comment;

* fix(go): implement marshal and unmarshal text for custom types;

* fix(go): implement marshal and unmarshal json for custom types;

* fix(go): just use the old model for unmarshalling;

* fix(go): implement marshal and unmarshal json for custom types;

* NM-271:Import swap: compress/gzip replaced with github.com/klauspost/compress/gzip (2-4x faster, wire-compatible output). Added sync import.
Two sync.Pool variables (gzipWriterPool, bufferPool): reuse gzip.Writer and bytes.Buffer across calls instead of allocating fresh ones per publish.
compressPayload rewritten: pulls writer + buffer from pools, resets them, compresses at gzip.BestSpeed (level 1), copies the result out of the pooled buffer, and returns both objects to the pools.

* feat(go): remove paginated list networks api;

* feat(go): use custom paginated response object;

* NM-271: Improve server scalability under high host count

- Replace stdlib compress/gzip with klauspost/compress at BestSpeed and
  pool gzip writers and buffers via sync.Pool to eliminate compression
  as the dominant CPU hotspot.

- Debounce peer update broadcasts with a 500ms resettable window capped
  at 3s max-wait, coalescing rapid-fire PublishPeerUpdate calls into a
  single broadcast cycle.

- Cache HostPeerInfo (batch-refreshed by debounce worker) and
  HostPeerUpdate (stored as side-effect of each publish) so the pull API
  and peer_info API serve from pre-computed maps instead of triggering
  expensive per-host computations under thundering herd conditions.

- Warm both caches synchronously at startup before the first publish
  cycle so early pull requests are served instantly.

- Bound concurrent MQTT publishes to 5 via semaphore to prevent
  broker TCP buffer overflows that caused broken pipe disconnects.

- Remove manual Disconnect+SetupMQTT from ConnectionLostHandler and
  rely on the paho client's built-in AutoReconnect; add a 5s retry
  wait in publish() to ride out brief reconnection windows.

* NM-271: Reduce server CPU contention under high concurrent load

- Cache ServerSettings with atomic.Value to eliminate repeated DB reads
  on every pull request (was 32+ goroutines blocked on read lock)
- Batch UpdateNodeCheckin writes in memory, flush every 30s to reduce
  per-checkin write lock contention (was 88+ goroutines blocked)
- Enable SQLite WAL mode + busy_timeout and remove global dbMutex;
  let SQLite handle concurrency natively (reads no longer block writes)
- Move ResetFailedOverPeer/ResetAutoRelayedPeer to async in pull()
  handler since results don't affect the cached response
- Skip no-op UpsertNode writes in failover/relay reset functions
  (early return when node has no failover/relay state)
- Remove CheckHostPorts from hostUpdateFallback hot path
- Switch to pure-Go SQLite driver (glebarez/sqlite), set CGO_ENABLED=0

* fix(go): ensure default values for page and per_page are used when not passed;

* fix(go): rename v1.6.0 to v1.5.1;

* fix(go): check for gorm.ErrRecordNotFound instead of database.IsEmptyRecord;

* fix(go): use host id, not pending host id;

* NM-271: Revert pure-Go SQLite and FIPS disable to verify impact

Revert to CGO-based mattn/go-sqlite3 driver and re-enable FIPS to
isolate whether these changes are still needed now that the global
dbMutex has been removed and WAL mode is enabled. Keep WAL mode
pragma with mattn-compatible DSN format.

* feat(go): add filters to paginated apis;

* feat(go): add filters to paginated apis;

* feat(go): remove check for max username length;

* feat(go): add filters to count as well;

* feat(go): use library to check email address validity;

* feat(go): ignore pagination if params not passed;

* fix(go): pagination issues;

* fix(go): check exists before using;

* fix(go): remove debug log;

* NM-271: rm debug logs

* NM-271: check if caching is enabled

* NM-271: add server sync mq topic for HA mode

* NM-271: fix build

* NM-271: push metrics in batch to exproter over api

* NM-271: use basic auth for exporter metrics api

* fix(go): use gorm err record not found;

* NM-271: Add monitoring stack on demand

* NM-271: -m arg for install script should only add monitoring stack

* fix(go): use gorm err record not found;

* NM-271: update docker compose file for prometheus

* NM-271: update docker compose file for prometheus

* fix(go): use user principal name when creating pending user;

* fix(go): use schema package for consts;

* NM-236: rm duplicate network hook

* NM-271: add server topic to reset idp hooks on master node

* fix(go): prevent disabling superadmin user;

Co-authored-by: tenki-reviewer[bot] <262613592+tenki-reviewer[bot]@users.noreply.github.com>

* fix(go): swap is admin and is superadmin;

Co-authored-by: tenki-reviewer[bot] <262613592+tenki-reviewer[bot]@users.noreply.github.com>

* fix(go): remove dead code block;

https://github.com/gravitl/netmaker/pull/3910#discussion_r2928837937

* fix(go): incorrect message when trying to disable self;

https://github.com/gravitl/netmaker/pull/3910#discussion_r2928837934

* NM-271: fix stale peers on reset_failovered pull and add HTTP timeout to metrics exporter

Run the failover/relay reset synchronously in the pull handler so the
response reflects post-reset topology instead of serving stale cached
peers. Add a 30s timeout to the metrics exporter HTTP client to prevent
PushAllMetricsToExporter from blocking the Keepalive loop.

* NM-271: fix gzip pool corruption, MQTT topic mismatch, stale settings cache, and reduce redundant DB fetches

- Only return gzip.Writer to pool after successful Close to prevent
  silently malformed MQTT payloads from a previously errored writer.
- Fix serversync subscription to exact topic match since syncType is
  now in the message payload, not the topic path.
- Prevent zero-value ServerSettings from being cached indefinitely
  when the DB record is missing or unmarshal fails on startup.
- Return fetched hosts/nodes from RefreshHostPeerInfoCache so
  warmPeerCaches reuses them instead of querying the DB twice.
- Compute fresh HostPeerUpdate on reset_failovered pull instead of
  serving stale cache, and store result back for subsequent requests.

* NM-271: fix gzip writer pool leak, log checkin flush errors, and fix master pod ordinal parsing

- Reset gzip.Writer to io.Discard before returning to pool so errored
  writers are never leaked or silently reused with corrupt state.
- Track and log failed DB inserts in FlushNodeCheckins so operators
  have visibility when check-in timestamps are lost.
- Parse StatefulSet pod ordinal as integer instead of using HasSuffix
  to prevent netmaker-10 from being misidentified as master pod.

* NM-271: simplify masterpod logic

* fix(go): use correct header;

Co-authored-by: tenki-reviewer[bot] <262613592+tenki-reviewer[bot]@users.noreply.github.com>

* fix(go): return after error response;

Co-authored-by: tenki-reviewer[bot] <262613592+tenki-reviewer[bot]@users.noreply.github.com>

* fix(go): use correct order of params;

https://github.com/gravitl/netmaker/pull/3910#discussion_r2929593036

* fix(go): set default values for page and page size; use v2 instead of /list;

* NM-271: use host name

* Update mq/serversync.go

Co-authored-by: tenki-reviewer[bot] <262613592+tenki-reviewer[bot]@users.noreply.github.com>

* NM-271: fix duplicate serversynce case

* NM-271: streamline gw updates

* Update logic/auth.go

Co-authored-by: tenki-reviewer[bot] <262613592+tenki-reviewer[bot]@users.noreply.github.com>

* Update schema/user_roles.go

Co-authored-by: tenki-reviewer[bot] <262613592+tenki-reviewer[bot]@users.noreply.github.com>

* fix(go): syntax error;

* fix(go): set default values when page and per_page are not passed or 0;

* fix(go): use uuid.parse instead of uuid.must parse;

* fix(go): review errors;

* fix(go): review errors;

* Update controllers/user.go

Co-authored-by: tenki-reviewer[bot] <262613592+tenki-reviewer[bot]@users.noreply.github.com>

* Update controllers/user.go

Co-authored-by: tenki-reviewer[bot] <262613592+tenki-reviewer[bot]@users.noreply.github.com>

* NM-163: fix errors:

* Update db/types/options.go

Co-authored-by: tenki-reviewer[bot] <262613592+tenki-reviewer[bot]@users.noreply.github.com>

* fix(go): persist return user in event;

* Update db/types/options.go

Co-authored-by: tenki-reviewer[bot] <262613592+tenki-reviewer[bot]@users.noreply.github.com>

* NM-271: signal pull on ip changes

* NM-163: duplicate lines of code

* NM-163: fix(go): fix missing return and filter parsing in user controller

- Add missing return after error response in updateUserAccountStatus
  to prevent double-response and spurious ext-client side-effects
- Use switch statements in listUsers to skip unrecognized
  account_status and mfa_status filter values

* NM-271: signal pull req on node ip change

* fix(go): check for both min and max page size;

* NM-271: refresh node object before update

* fix(go): enclose transfer superadmin in transaction;

* fix(go): review errors;

* fix(go): remove free tier checks;

* fix(go): review fixes;

* NM-271: streamline ip pool ops

* NM-271: fix tests, set max idle conns

* NM-271: fix(go): fix data races in settings cache and peer update worker

- Use pointer type in atomic.Value for serverSettingsCache to avoid
  replacing the variable non-atomically in InvalidateServerSettingsCache
- Swap peerUpdateReplace flag before draining the channel to prevent
  a concurrent replacePeers=true from being consumed by the wrong cycle

---------

Co-authored-by: VishalDalwadi <dalwadivishal26@gmail.com>
Co-authored-by: Vishal Dalwadi <51291657+VishalDalwadi@users.noreply.github.com>
Co-authored-by: tenki-reviewer[bot] <262613592+tenki-reviewer[bot]@users.noreply.github.com>
2026-03-18 00:24:54 +05:30

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# Email used for SSL certificates
NM_EMAIL=
# The base domain of netmaker
NM_DOMAIN=
# Public IPv4 endpoint of machine
SERVER_HOST=
# Public IPv6 endpoint of machine
SERVER_HOST6=
# The admin master key for accessing the API. Change this in any production installation.
MASTER_KEY=
# The username to set for MQ access
MQ_USERNAME=
# The password to set for MQ access
MQ_PASSWORD=
INSTALL_TYPE=
NETMAKER_TENANT_ID=
LICENSE_KEY=
SERVER_IMAGE_TAG=
UI_IMAGE_TAG=
# used for HA - identifies this server vs other servers if unset uses host_name
HOST_NAME=
METRICS_EXPORTER=off
#metrics exporter secret
METRICS_SECRET=
#metrics exporter user
METRICS_USERNAME=netmaker
# Enables DNS Mode, meaning all nodes will set hosts file for private dns settings
DNS_MODE=on
# Enable auto update of netclient ? ENUM:- enabled,disabled | default=enabled
NETCLIENT_AUTO_UPDATE=enabled
# The HTTP API port for Netmaker. Used for API calls / communication from front end.
# If changed, need to change port of BACKEND_URL for netmaker-ui.
API_PORT=8081
EXPORTER_API_PORT=8085
# The "allowed origin" for API requests. Change to restrict where API requests can come from with comma-separated
# URLs. ex:- https://dashboard.netmaker.domain1.com,https://dashboard.netmaker.domain2.com
CORS_ALLOWED_ORIGIN=*
# Show keys permanently in UI (until deleted) as opposed to 1-time display.
DISPLAY_KEYS=on
# Database to use - sqlite, postgres
DATABASE=sqlite
# The address of the mq server. If running from docker compose it will be "mq". Otherwise, need to input address.
# If using "host networking", it will find and detect the IP of the mq container.
# For EMQX websockets use `SERVER_BROKER_ENDPOINT=ws://mq:8083/mqtt`
SERVER_BROKER_ENDPOINT=ws://mq:1883
# Logging verbosity level - 1, 2, or 3
VERBOSITY=1
DEBUG_MODE=off
# Enables the REST backend (API running on API_PORT at SERVER_HTTP_HOST).
REST_BACKEND=on
# If turned "on", Server will not set Host based on remote IP check.
# This is already overridden if SERVER_HOST is set. Turned "off" by default.
DISABLE_REMOTE_IP_CHECK=off
# Whether or not to send telemetry data to help improve Netmaker. Switch to "off" to opt out of sending telemetry.
TELEMETRY=on
###
#
# OAuth section
#
###
# only mentioned domains will be allowded to signup using oauth, by default all domains are allowed
ALLOWED_EMAIL_DOMAINS=*
# "<azure-ad|github|google|oidc>"
AUTH_PROVIDER=
# "<client id of your oauth provider>"
CLIENT_ID=
# "<client secret of your oauth provider>"
CLIENT_SECRET=
# "https://dashboard.<netmaker base domain>"
FRONTEND_URL=
# "<only for azure, you may optionally specify the tenant for the OAuth>"
AZURE_TENANT=
# https://oidc.yourprovider.com - URL of oidc provider
OIDC_ISSUER=
# Duration of JWT token validity in seconds
JWT_VALIDITY_DURATION=43200
# Allow a user to connect to multiple networks simultaneously
RAC_RESTRICT_TO_SINGLE_NETWORK=false
# if turned on data will be cached on to improve performance significantly (IMPORTANT: If HA set to `false` )
CACHING_ENABLED=true
# if turned on netclient checks if peers are reachable over private/LAN address, and choose that as peer endpoint
ENDPOINT_DETECTION=true
# config for sending emails
# mail server host
SMTP_HOST=smtp.gmail.com
# mail server port
SMTP_PORT=587
# sender email
EMAIL_SENDER_ADDR=
# sender smtp user, if unset sender email will be used
EMAIL_SENDER_USER=
# sender smtp password
EMAIL_SENDER_PASSWORD=
# default domain for internal DNS lookup
DEFAULT_DOMAIN=nm.internal
# managed dns setting, set to true to resolve dns entries on netmaker network
MANAGE_DNS=true
# set to true, old acl is supported, otherwise, old acl is disabled
OLD_ACL_SUPPORT=true
# if STUN is set to true, hole punch is called
STUN=true
# Metrics Collection Port
METRICS_PORT=51821
# Metrics Collection interval in minutes
PUBLISH_METRIC_INTERVAL=15
PROMETHEUS_HOST=http://prometheus:9090 #https://prometheus.${NM_DOMAIN}
NETMAKER_METRICS_TARGET=http://netmaker-exporter:8085 #https://netmaker-exporter.${NM_DOMAIN}
METRICS_SECRET=
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