Chapter 5. Clair security scanner

http_listen_addr

String

Configures where the HTTP API is exposed.

Default: :6060

introspection_addr

String

Configures where Clair’s metrics and health endpoints are exposed.

log_level

String

Sets the logging level. Requires one of the following strings: debug-color, debug, info, warn, error, fatal, panic

tls

String

A map containing the configuration for serving the HTTP API of TLS/SSL and HTTP/2.

.cert

String

The TLS certificate to be used. Must be a full-chain certificate.

indexer

Object

Provides Clair indexer node configuration.

.airgap

Boolean

Disables HTTP access to the internet for indexers and fetchers. Private IPv4 and IPv6 addresses are allowed. Database connections are unaffected.

.connstring

String

A Postgres connection string. Accepts format as a URL or libpq connection string.

.index_report_request_concurrency

Integer

Rate limits the number of index report creation requests. Setting this to 0 attemps to auto-size this value. Setting a negative value means unlimited. The auto-sizing is a multiple of the number of available cores.

The API returns a 429 status code if concurrency is exceeded.

.scanlock_retry

Integer

A positive integer representing seconds. Concurrent indexers lock on manifest scans to avoid clobbering. This value tunes how often a waiting indexer polls for the lock.

.layer_scan_concurrency

Integer

Positive integer limiting the number of concurrent layer scans. Indexers will match a manifest’s layer concurrently. This value tunes the number of layers an indexer scans in parallel.

.migrations

Boolean

Whether indexer nodes handle migrations to their database.

.scanner

String

Indexer configuration.

Scanner allows for passing configuration options to layer scanners. The scanner will have this configuration pass to it on construction if designed to do so.

.scanner.dist

String

A map with the name of a particular scanner and arbitrary YAML as a value.

.scanner.package

String

A map with the name of a particular scanner and arbitrary YAML as a value.

.scanner.repo

String

A map with the name of a particular scanner and arbitrary YAML as a value.

matcher

Object

Provides Clair matcher node configuration.

.cache_age

String

Controls how long users should be hinted to cache responses for.

.connstring

String

A Postgres connection string. Accepts format as a URL or libpq connection string.

.max_conn_pool

Integer

Limits the database connection pool size.

Clair allows for a custom connection pool size. This number directly sets how many active database connections are allowed concurrently.

This parameter will be ignored in a future version. Users should configure this through the connection string.

.indexer_addr

String

A matcher contacts an indexer to create a vulnerability report. The location of this indexer is required.

Defaults to 30m.

.migrations

Boolean

Whether matcher nodes handle migrations to their databases.

.period

String

Determines how often updates for new security advisories take place.

Defaults to 6h.

.disable_updaters

Boolean

Whether to run background updates or not.

Default: False

.update_retention

Integer

Sets the number of update operations to retain between garbage collection cycles. This should be set to a safe MAX value based on database size constraints.

Defaults to 10m.

If a value of less than 0 is provided, garbage collection is disabled. 2 is the minimum value to ensure updates can be compared to notifications.

matchers

Array of strings

Provides configuration for the in-tree matchers.

.names

String

A list of string values informing the matcher factory about enabled matchers. If value is set to null, the default list of matchers run. The following strings are accepted: alpine-matcher, aws-matcher, debian-matcher, gobin, java-maven, oracle, photon, python, rhel, rhel-container-matcher, ruby, suse, ubuntu-matcher

.config

String

Provides configuration to a specific matcher.

A map keyed by the name of the matcher containing a sub-object which will be provided to the matchers factory constructor. For example:

updaters

Object

Provides configuration for the matcher’s update manager.

.sets

String

A list of values informing the update manager which updaters to run.

If value is set to null, the default set of updaters runs the following: alpine, aws, clair.cvss, debian, oracle, photon, osv, rhel, rhcc suse, ubuntu

If left blank, zero updaters run.

.config

String

Provides configuration to specific updater sets.

A map keyed by the name of the updater set containing a sub-object which will be provided to the updater set’s constructor. For a list of the sub-objects for each updater, see "Advanced updater configuration".

notifier

Object

Provides Clair notifier node configuration.

.connstring

String

Postgres connection string. Accepts format as URL, or libpq connection string.

.migrations

Boolean

Whether notifier nodes handle migrations to their database.

.indexer_addr

String

A notifier contacts an indexer to create or obtain manifests affected by vulnerabilities. The location of this indexer is required.

.matcher_addr

String

A notifier contacts a matcher to list update operations and acquire diffs. The location of this matcher is required.

.poll_interval

String

The frequency at which the notifier will query a matcher for update operations.

.delivery_interval

String

The frequency at which the notifier attempts delivery of created, or previously failed, notifications.

.disable_summary

Boolean

Controls whether notifications should be summarized to one per manifest.

auth

Object

Defines Clair’s external and intra-service JWT based authentication. If multiple auth mechanisms are defined, Clair picks one. Currently, multiple mechanisms are unsupported.

.psk

String

Defines pre-shared key authentication.

.psk.key

String

A shared base64 encoded key distributed between all parties signing and verifying JWTs.

.psk.iss

String

A list of JWT issuers to verify. An empty list accepts any issuer in a JWT claim.

trace

Object

Defines distributed tracing configuration based on OpenTelemetry.

.name

String

The name of the application traces will belong to.

.probability

Integer

The probability a trace will occur.

.jaeger

Object

Defines values for Jaeger tracing.

.jaeger.agent

Object

Defines values for configuring delivery to a Jaeger agent.

.jaeger.agent.endpoint

String

An address in the <host>:<post> syntax where traces can be submitted.

.jaeger.collector

Object

Defines values for configuring delivery to a Jaeger collector.

.jaeger.collector.endpoint

String

An address in the <host>:<post> syntax where traces can be submitted.

.jaeger.collector.username

String

A Jaeger username.

.jaeger.collector.password

String

A Jaeger password.

.jaeger.service_name

String

The service name registered in Jaeger.

.jaeger.tags

String

Key-value pairs to provide additional metadata.

.jaeger.buffer_max

Integer

The maximum number of spans that can be buffered in memory before they are sent to the Jaeger backend for storage and analysis.

metrics

Object

Defines distributed tracing configuration based on OpenTelemetry.

.name

String

The name of the metrics in use.

.prometheus

String

Configuration for a Prometheus metrics exporter.

.prometheus.endpoint

String

Defines the path where metrics are served.