https://linear.app/unleash/issue/2-1311/add-a-new-prometheus-metric-with-custom-root-roles-in-use
As a follow-up to https://github.com/Unleash/unleash/pull/4435, this PR
adds a metric for total custom root roles in use by at least one entity:
users, service accounts, groups.
`custom_root_roles_in_use_total`
Output from `http://localhost:4242/internal-backstage/prometheus`:
```
# HELP process_cpu_user_seconds_total Total user CPU time spent in seconds.
# TYPE process_cpu_user_seconds_total counter
process_cpu_user_seconds_total 0.060755
# HELP process_cpu_system_seconds_total Total system CPU time spent in seconds.
# TYPE process_cpu_system_seconds_total counter
process_cpu_system_seconds_total 0.01666
# HELP process_cpu_seconds_total Total user and system CPU time spent in seconds.
# TYPE process_cpu_seconds_total counter
process_cpu_seconds_total 0.077415
# HELP process_start_time_seconds Start time of the process since unix epoch in seconds.
# TYPE process_start_time_seconds gauge
process_start_time_seconds 1691420275
# HELP process_resident_memory_bytes Resident memory size in bytes.
# TYPE process_resident_memory_bytes gauge
process_resident_memory_bytes 199196672
# HELP nodejs_eventloop_lag_seconds Lag of event loop in seconds.
# TYPE nodejs_eventloop_lag_seconds gauge
nodejs_eventloop_lag_seconds 0
# HELP nodejs_eventloop_lag_min_seconds The minimum recorded event loop delay.
# TYPE nodejs_eventloop_lag_min_seconds gauge
nodejs_eventloop_lag_min_seconds 0.009076736
# HELP nodejs_eventloop_lag_max_seconds The maximum recorded event loop delay.
# TYPE nodejs_eventloop_lag_max_seconds gauge
nodejs_eventloop_lag_max_seconds 0.037683199
# HELP nodejs_eventloop_lag_mean_seconds The mean of the recorded event loop delays.
# TYPE nodejs_eventloop_lag_mean_seconds gauge
nodejs_eventloop_lag_mean_seconds 0.011063251638989169
# HELP nodejs_eventloop_lag_stddev_seconds The standard deviation of the recorded event loop delays.
# TYPE nodejs_eventloop_lag_stddev_seconds gauge
nodejs_eventloop_lag_stddev_seconds 0.0013618102764025837
# HELP nodejs_eventloop_lag_p50_seconds The 50th percentile of the recorded event loop delays.
# TYPE nodejs_eventloop_lag_p50_seconds gauge
nodejs_eventloop_lag_p50_seconds 0.011051007
# HELP nodejs_eventloop_lag_p90_seconds The 90th percentile of the recorded event loop delays.
# TYPE nodejs_eventloop_lag_p90_seconds gauge
nodejs_eventloop_lag_p90_seconds 0.011321343
# HELP nodejs_eventloop_lag_p99_seconds The 99th percentile of the recorded event loop delays.
# TYPE nodejs_eventloop_lag_p99_seconds gauge
nodejs_eventloop_lag_p99_seconds 0.013688831
# HELP nodejs_active_resources Number of active resources that are currently keeping the event loop alive, grouped by async resource type.
# TYPE nodejs_active_resources gauge
nodejs_active_resources{type="FSReqCallback"} 1
nodejs_active_resources{type="TTYWrap"} 3
nodejs_active_resources{type="TCPSocketWrap"} 5
nodejs_active_resources{type="TCPServerWrap"} 1
nodejs_active_resources{type="Timeout"} 1
nodejs_active_resources{type="Immediate"} 1
# HELP nodejs_active_resources_total Total number of active resources.
# TYPE nodejs_active_resources_total gauge
nodejs_active_resources_total 12
# HELP nodejs_active_handles Number of active libuv handles grouped by handle type. Every handle type is C++ class name.
# TYPE nodejs_active_handles gauge
nodejs_active_handles{type="WriteStream"} 2
nodejs_active_handles{type="ReadStream"} 1
nodejs_active_handles{type="Socket"} 5
nodejs_active_handles{type="Server"} 1
# HELP nodejs_active_handles_total Total number of active handles.
# TYPE nodejs_active_handles_total gauge
nodejs_active_handles_total 9
# HELP nodejs_active_requests Number of active libuv requests grouped by request type. Every request type is C++ class name.
# TYPE nodejs_active_requests gauge
nodejs_active_requests{type="FSReqCallback"} 1
# HELP nodejs_active_requests_total Total number of active requests.
# TYPE nodejs_active_requests_total gauge
nodejs_active_requests_total 1
# HELP nodejs_heap_size_total_bytes Process heap size from Node.js in bytes.
# TYPE nodejs_heap_size_total_bytes gauge
nodejs_heap_size_total_bytes 118587392
# HELP nodejs_heap_size_used_bytes Process heap size used from Node.js in bytes.
# TYPE nodejs_heap_size_used_bytes gauge
nodejs_heap_size_used_bytes 89642552
# HELP nodejs_external_memory_bytes Node.js external memory size in bytes.
# TYPE nodejs_external_memory_bytes gauge
nodejs_external_memory_bytes 1601594
# HELP nodejs_heap_space_size_total_bytes Process heap space size total from Node.js in bytes.
# TYPE nodejs_heap_space_size_total_bytes gauge
nodejs_heap_space_size_total_bytes{space="read_only"} 0
nodejs_heap_space_size_total_bytes{space="old"} 70139904
nodejs_heap_space_size_total_bytes{space="code"} 3588096
nodejs_heap_space_size_total_bytes{space="map"} 2899968
nodejs_heap_space_size_total_bytes{space="large_object"} 7258112
nodejs_heap_space_size_total_bytes{space="code_large_object"} 1146880
nodejs_heap_space_size_total_bytes{space="new_large_object"} 0
nodejs_heap_space_size_total_bytes{space="new"} 33554432
# HELP nodejs_heap_space_size_used_bytes Process heap space size used from Node.js in bytes.
# TYPE nodejs_heap_space_size_used_bytes gauge
nodejs_heap_space_size_used_bytes{space="read_only"} 0
nodejs_heap_space_size_used_bytes{space="old"} 66992120
nodejs_heap_space_size_used_bytes{space="code"} 2892640
nodejs_heap_space_size_used_bytes{space="map"} 2519280
nodejs_heap_space_size_used_bytes{space="large_object"} 7026824
nodejs_heap_space_size_used_bytes{space="code_large_object"} 983200
nodejs_heap_space_size_used_bytes{space="new_large_object"} 0
nodejs_heap_space_size_used_bytes{space="new"} 9236136
# HELP nodejs_heap_space_size_available_bytes Process heap space size available from Node.js in bytes.
# TYPE nodejs_heap_space_size_available_bytes gauge
nodejs_heap_space_size_available_bytes{space="read_only"} 0
nodejs_heap_space_size_available_bytes{space="old"} 1898360
nodejs_heap_space_size_available_bytes{space="code"} 7328
nodejs_heap_space_size_available_bytes{space="map"} 327888
nodejs_heap_space_size_available_bytes{space="large_object"} 0
nodejs_heap_space_size_available_bytes{space="code_large_object"} 0
nodejs_heap_space_size_available_bytes{space="new_large_object"} 16495616
nodejs_heap_space_size_available_bytes{space="new"} 7259480
# HELP nodejs_version_info Node.js version info.
# TYPE nodejs_version_info gauge
nodejs_version_info{version="v18.16.0",major="18",minor="16",patch="0"} 1
# HELP nodejs_gc_duration_seconds Garbage collection duration by kind, one of major, minor, incremental or weakcb.
# TYPE nodejs_gc_duration_seconds histogram
# HELP http_request_duration_milliseconds App response time
# TYPE http_request_duration_milliseconds summary
# HELP db_query_duration_seconds DB query duration time
# TYPE db_query_duration_seconds summary
db_query_duration_seconds{quantile="0.1",store="api-tokens",action="getAllActive"} 0.03091475
db_query_duration_seconds{quantile="0.5",store="api-tokens",action="getAllActive"} 0.03091475
db_query_duration_seconds{quantile="0.9",store="api-tokens",action="getAllActive"} 0.03091475
db_query_duration_seconds{quantile="0.95",store="api-tokens",action="getAllActive"} 0.03091475
db_query_duration_seconds{quantile="0.99",store="api-tokens",action="getAllActive"} 0.03091475
db_query_duration_seconds_sum{store="api-tokens",action="getAllActive"} 0.03091475
db_query_duration_seconds_count{store="api-tokens",action="getAllActive"} 1
# HELP feature_toggle_update_total Number of times a toggle has been updated. Environment label would be "n/a" when it is not available, e.g. when a feature toggle is created.
# TYPE feature_toggle_update_total counter
# HELP feature_toggle_usage_total Number of times a feature toggle has been used
# TYPE feature_toggle_usage_total counter
# HELP feature_toggles_total Number of feature toggles
# TYPE feature_toggles_total gauge
feature_toggles_total{version="5.3.0"} 31
# HELP users_total Number of users
# TYPE users_total gauge
users_total 1011
# HELP projects_total Number of projects
# TYPE projects_total gauge
projects_total 4
# HELP environments_total Number of environments
# TYPE environments_total gauge
environments_total 10
# HELP groups_total Number of groups
# TYPE groups_total gauge
groups_total 5
# HELP roles_total Number of roles
# TYPE roles_total gauge
roles_total 11
# HELP custom_root_roles_total Number of custom root roles
# TYPE custom_root_roles_total gauge
custom_root_roles_total 3
# HELP custom_root_roles_in_use_total Number of custom root roles in use
# TYPE custom_root_roles_in_use_total gauge
custom_root_roles_in_use_total 2
# HELP segments_total Number of segments
# TYPE segments_total gauge
segments_total 5
# HELP context_total Number of context
# TYPE context_total gauge
context_total 7
# HELP strategies_total Number of strategies
# TYPE strategies_total gauge
strategies_total 5
# HELP client_apps_total Number of registered client apps aggregated by range by last seen
# TYPE client_apps_total gauge
client_apps_total{range="allTime"} 0
client_apps_total{range="30d"} 0
client_apps_total{range="7d"} 0
# HELP saml_enabled Whether SAML is enabled
# TYPE saml_enabled gauge
saml_enabled 1
# HELP oidc_enabled Whether OIDC is enabled
# TYPE oidc_enabled gauge
oidc_enabled 0
# HELP client_sdk_versions Which sdk versions are being used
# TYPE client_sdk_versions counter
# HELP optimal_304_diffing Count the Optimal 304 diffing with status
# TYPE optimal_304_diffing counter
# HELP db_pool_min Minimum DB pool size
# TYPE db_pool_min gauge
db_pool_min 0
# HELP db_pool_max Maximum DB pool size
# TYPE db_pool_max gauge
db_pool_max 4
# HELP db_pool_free Current free connections in DB pool
# TYPE db_pool_free gauge
db_pool_free 0
# HELP db_pool_used Current connections in use in DB pool
# TYPE db_pool_used gauge
db_pool_used 4
# HELP db_pool_pending_creates how many asynchronous create calls are running in DB pool
# TYPE db_pool_pending_creates gauge
db_pool_pending_creates 0
# HELP db_pool_pending_acquires how many acquires are waiting for a resource to be released in DB pool
# TYPE db_pool_pending_acquires gauge
db_pool_pending_acquires 24
```
## About the changes
Implementation of bulk metrics and registration endpoint. This will be
used by edge nodes to send all collected information.
Types around metrics were improved and `IClientApp.bucket` with type
`any` is no longer needed
---------
Co-authored-by: sighphyre <liquidwicked64@gmail.com>
## About the changes
This metric will expose an aggregated view of how many client
applications are registered in Unleash. Since applications are ephemeral
we are exposing this metric in different time windows based on when the
application was last seen.
The caveat is that we issue a database query for each new range we want
to add. Hopefully, this should not be a problem because:
a) the amount of ranges we'd expose is small and unlikely to grow
b) this is currently updated at startup time and even if we update it on
a scheduled basis the refresh rate will be rather sparse
## Sample data
This is how metrics will look like
```
# HELP client_apps_total Number of registered client apps aggregated by range by last seen
# TYPE client_apps_total gauge
client_apps_total{range="allTime"} 3
client_apps_total{range="30d"} 3
client_apps_total{range="7d"} 2
```
feat: options are now typed
- This makes it easier to know what to send to unleash.start / unleash.create
- Using a Partial to instantiate the config, then melding it with defaults to get a config object with all fields set either to their defaults or to whatever is passed in.
Co-authored-by: Fredrik Strand Oseberg <fredrik.no@gmail.com>
Co-authored-by: Ivar Conradi Østhus <ivarconr@gmail.com>
