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Activitylog

Abstract

The activitylog service is responsible for storing events (activities) per resource.

Table of Contents

The Log Service Ecosystem

Log services like the activitylog, userlog, clientlog and sse are responsible for composing notifications for a specific audience.

  • The userlog service translates and adjusts messages to be human readable.
  • The clientlog service composes machine readable messages, so clients can act without the need to query the server.
  • The sse service is only responsible for sending these messages. It does not care about their form or language.
  • The activitylog service stores events per resource. These can be retrieved to show item activities

Activitylog Store

The activitylog stores activities for each resource. It works in conjunction with the eventhistory service to keep the data it needs to store to a minimum.

Translations

The activitylog service has embedded translations sourced via transifex to provide a basic set of translated languages. These embedded translations are available for all deployment scenarios. In addition, the service supports custom translations, though it is currently not possible to just add custom translations to embedded ones. If custom translations are configured, the embedded ones are not used. To configure custom translations, the ACTIVITYLOG_TRANSLATION_PATH environment variable needs to point to a base folder that will contain the translation files. This path must be available from all instances of the activitylog service, a shared storage is recommended. Translation files must be of type .po or .mo. For each language, the filename needs to be activitylog.po (or activitylog.mo) and stored in a folder structure defining the language code. In general the path/name pattern for a translation file needs to be:

{ACTIVITYLOG_TRANSLATION_PATH}/{language-code}/LC_MESSAGES/activitylog.po

The language code pattern is composed of language[_territory] where language is the base language and _territory is optional and defines a country.

For example, for the language de, one needs to place the corresponding translation files to {ACTIVITYLOG_TRANSLATION_PATH}/de_DE/LC_MESSAGES/activitylog.po.

Important: For the time being, the embedded ownCloud Web frontend only supports the main language code but does not handle any territory. When strings are available in the language code language_territory, the web frontend does not see it as it only requests language. In consequence, any translations made must exist in the requested language to avoid a fallback to the default.

Translation Rules

  • If a requested language code is not available, the service tries to fall back to the base language if available. For example, if the requested language-code de_DE is not available, the service tries to fall back to translations in the de folder.
  • If the base language de is also not available, the service falls back to the system’s default English (en), which is the source of the texts provided by the code.

Default Language

The default language can be defined via the OCIS_DEFAULT_LANGUAGE environment variable. See the settings service for a detailed description.

Example Yaml Config 

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# Autogenerated
# Filename: activitylog-config-example.yaml

tracing:
  enabled: false
  type: ""
  endpoint: ""
  collector: ""
log:
  level: ""
  pretty: false
  color: false
  file: ""
debug:
  addr: 127.0.0.1:9197
  token: ""
  pprof: false
  zpages: false
events:
  endpoint: 127.0.0.1:9233
  cluster: ocis-cluster
  tls_insecure: false
  tls_root_ca_certificate: ""
  enable_tls: false
  username: ""
  password: ""
store:
  store: nats-js-kv
  nodes:
  - 127.0.0.1:9233
  database: activitylog
  table: ""
  ttl: 0s
  username: ""
  password: ""
reva_gateway: com.owncloud.api.gateway
grpc_client_tls: null
http:
  addr: 127.0.0.1:9195
  root: /
  cors:
    allow_origins:
    - '*'
    allow_methods:
    - GET
    allow_headers:
    - Authorization
    - Origin
    - Content-Type
    - Accept
    - X-Requested-With
    - X-Request-Id
    - Ocs-Apirequest
    allow_credentials: true
  tls:
    enabled: false
    cert: ""
    key: ""
token_manager:
  jwt_secret: ""
translation_path: ""
default_language: en
service_account:
  service_account_id: ""
  service_account_secret: ""

Environment Variables

Name Type Default Value Description
OCIS_TRACING_ENABLED
ACTIVITYLOG_TRACING_ENABLED		 bool false Activates tracing.
OCIS_TRACING_TYPE
ACTIVITYLOG_TRACING_TYPE		 string The type of tracing. Defaults to ‘’, which is the same as ‘jaeger’. Allowed tracing types are ‘jaeger’ and ’’ as of now.
OCIS_TRACING_ENDPOINT
ACTIVITYLOG_TRACING_ENDPOINT		 string The endpoint of the tracing agent.
OCIS_TRACING_COLLECTOR
ACTIVITYLOG_TRACING_COLLECTOR		 string The HTTP endpoint for sending spans directly to a collector, i.e. http://jaeger-collector:14268/api/traces. Only used if the tracing endpoint is unset.
OCIS_LOG_LEVEL
ACTIVITYLOG_LOG_LEVEL		 string The log level. Valid values are: ‘panic’, ‘fatal’, ’error’, ‘warn’, ‘info’, ‘debug’, ’trace’.
OCIS_LOG_PRETTY
ACTIVITYLOG_LOG_PRETTY		 bool false Activates pretty log output.
OCIS_LOG_COLOR
ACTIVITYLOG_LOG_COLOR		 bool false Activates colorized log output.
OCIS_LOG_FILE
ACTIVITYLOG_LOG_FILE		 string The path to the log file. Activates logging to this file if set.
ACTIVITYLOG_DEBUG_ADDR string 127.0.0.1:9197 Bind address of the debug server, where metrics, health, config and debug endpoints will be exposed.
ACTIVITYLOG_DEBUG_TOKEN string Token to secure the metrics endpoint.
ACTIVITYLOG_DEBUG_PPROF bool false Enables pprof, which can be used for profiling.
ACTIVITYLOG_DEBUG_ZPAGES bool false Enables zpages, which can be used for collecting and viewing in-memory traces.
OCIS_EVENTS_ENDPOINT string 127.0.0.1:9233 The address of the event system. The event system is the message queuing service. It is used as message broker for the microservice architecture.
OCIS_EVENTS_CLUSTER string ocis-cluster The clusterID of the event system. The event system is the message queuing service. It is used as message broker for the microservice architecture. Mandatory when using NATS as event system.
OCIS_INSECURE bool false Whether to verify the server TLS certificates.
OCIS_EVENTS_TLS_ROOT_CA_CERTIFICATE string The root CA certificate used to validate the server’s TLS certificate. If provided NOTIFICATIONS_EVENTS_TLS_INSECURE will be seen as false.
OCIS_EVENTS_ENABLE_TLS bool false Enable TLS for the connection to the events broker. The events broker is the ocis service which receives and delivers events between the services.
OCIS_EVENTS_AUTH_USERNAME string The username to authenticate with the events broker. The events broker is the ocis service which receives and delivers events between the services.
OCIS_EVENTS_AUTH_PASSWORD string The password to authenticate with the events broker. The events broker is the ocis service which receives and delivers events between the services.
OCIS_PERSISTENT_STORE
ACTIVITYLOG_STORE		 string nats-js-kv The type of the store. Supported values are: ‘memory’, ’nats-js-kv’, ‘redis-sentinel’, ’noop’. See the text description for details.
OCIS_PERSISTENT_STORE_NODES
ACTIVITYLOG_STORE_NODES		 []string [127.0.0.1:9233] A list of nodes to access the configured store. This has no effect when ‘memory’ store is configured. Note that the behaviour how nodes are used is dependent on the library of the configured store. See the Environment Variable Types description for more details.
ACTIVITYLOG_STORE_DATABASE string activitylog The database name the configured store should use.
ACTIVITYLOG_STORE_TABLE string The database table the store should use.
OCIS_PERSISTENT_STORE_TTL
ACTIVITYLOG_STORE_TTL		 Duration 0s Time to live for events in the store. See the Environment Variable Types description for more details.
OCIS_PERSISTENT_STORE_AUTH_USERNAME
ACTIVITYLOG_STORE_AUTH_USERNAME		 string The username to authenticate with the store. Only applies when store type ’nats-js-kv’ is configured.
OCIS_PERSISTENT_STORE_AUTH_PASSWORD
ACTIVITYLOG_STORE_AUTH_PASSWORD		 string The password to authenticate with the store. Only applies when store type ’nats-js-kv’ is configured.
OCIS_REVA_GATEWAY string com.owncloud.api.gateway CS3 gateway used to look up user metadata
ACTIVITYLOG_HTTP_ADDR string 127.0.0.1:9195 The bind address of the HTTP service.
ACTIVITYLOG_HTTP_ROOT string / Subdirectory that serves as the root for this HTTP service.
OCIS_CORS_ALLOW_ORIGINS
ACTIVITYLOG_CORS_ALLOW_ORIGINS		 []string [*] A list of allowed CORS origins. See following chapter for more details: Access-Control-Allow-Origin at https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Origin. See the Environment Variable Types description for more details.
OCIS_CORS_ALLOW_METHODS
ACTIVITYLOG_CORS_ALLOW_METHODS		 []string [GET] A list of allowed CORS methods. See following chapter for more details: Access-Control-Request-Method at https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Request-Method. See the Environment Variable Types description for more details.
OCIS_CORS_ALLOW_HEADERS
ACTIVITYLOG_CORS_ALLOW_HEADERS		 []string [Authorization Origin Content-Type Accept X-Requested-With X-Request-Id Ocs-Apirequest] A list of allowed CORS headers. See following chapter for more details: Access-Control-Request-Headers at https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Request-Headers. See the Environment Variable Types description for more details.
OCIS_CORS_ALLOW_CREDENTIALS
ACTIVITYLOG_CORS_ALLOW_CREDENTIALS		 bool true Allow credentials for CORS.See following chapter for more details: Access-Control-Allow-Credentials at https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Credentials.
OCIS_HTTP_TLS_ENABLED bool false Activates TLS for the http based services using the server certifcate and key configured via OCIS_HTTP_TLS_CERTIFICATE and OCIS_HTTP_TLS_KEY. If OCIS_HTTP_TLS_CERTIFICATE is not set a temporary server certificate is generated - to be used with PROXY_INSECURE_BACKEND=true.
OCIS_HTTP_TLS_CERTIFICATE string Path/File name of the TLS server certificate (in PEM format) for the http services.
OCIS_HTTP_TLS_KEY string Path/File name for the TLS certificate key (in PEM format) for the server certificate to use for the http services.
OCIS_JWT_SECRET
ACTIVITYLOG_JWT_SECRET		 string The secret to mint and validate jwt tokens.
OCIS_TRANSLATION_PATH
ACTIVITYLOG_TRANSLATION_PATH		 string (optional) Set this to a path with custom translations to overwrite the builtin translations. Note that file and folder naming rules apply, see the documentation for more details.
OCIS_DEFAULT_LANGUAGE string en The default language used by services and the WebUI. If not defined, English will be used as default. See the documentation for more details.
OCIS_SERVICE_ACCOUNT_ID
ACTIVITYLOG_SERVICE_ACCOUNT_ID		 string The ID of the service account the service should use. See the ‘auth-service’ service description for more details.
OCIS_SERVICE_ACCOUNT_SECRET
ACTIVITYLOG_SERVICE_ACCOUNT_SECRET		 string The service account secret.
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