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cAdvisor Web UI

cAdvisor exposes a web UI at its port:

http://<hostname>:<port>/

This UI has one primary resource at /containers which exports live information about all containers on the machine.

Web UI authentication

You can add authentication to the web UI by either HTTP basic or HTTP digest authentication.

NOTE: The Web UI authentication only protects the /containers endpoint, and not the other cAdvisor HTTP endpoints such as /api/... and /metrics. Some of these endpoints can expose sensitive information, so it is not advised to expose these endpoints publicly.

HTTP basic authentication

You will need to add a http_auth_file parameter with a HTTP basic auth file generated using htpasswd to enable HTTP basic auth. By default the auth realm is set as localhost.

./cadvisor --http_auth_file test.htpasswd --http_auth_realm localhost

The test.htpasswd file provided has a username and password already added (admin:password1) for testing purposes.

HTTP Digest authentication

You will need to add a http_digest_file parameter with a HTTP digest auth file generated using htdigest to enable HTTP Digest auth. By default the auth realm is set as localhost.

./cadvisor --http_digest_file test.htdigest --http_digest_realm localhost

The test.htdigest file provided has a username and password already added (admin:password1) for testing purposes.

Note : You can use either type of authentication, in case you decide to use both files in the arguments only HTTP basic auth will be enabled.