CanineHQ/canine · error · DockerCli::AuthenticationError

Failed to authenticate with registry: #{normalized_registry}

Error message

Failed to authenticate with registry: #{normalized_registry}

What it means

Error "Failed to authenticate with registry: #{normalized_registry}" thrown in CanineHQ/canine.

Source

Thrown at app/services/docker_cli.rb:10

class DockerCli
  class AuthenticationError < StandardError; end

  def self.with_registry_auth(registry_url:, username:, password:, &block)
    normalized_registry = normalize_registry_url(registry_url)

    # Login to registry
    login_success = login(normalized_registry, username, password)
    unless login_success
      raise AuthenticationError, "Failed to authenticate with registry: #{normalized_registry}"
    end

    # Execute the block
    begin
      yield
    ensure
      # Always logout, even if block raises an exception
      logout(normalized_registry)
    end
  end

  private

  def self.login(registry, username, password)
    docker_login_command = [
      "docker", "login", registry,
      "--username", username,
      "--password-stdin"

View on GitHub (pinned to ba4ee3968d)

When it happens

Trigger: Thrown at app/services/docker_cli.rb:10 when the library encounters an invalid state.

Common situations: See trigger scenarios.

Understand the failure class

• Authentication and authorization failures — expired tokens, bad credentials, and missing scopes.

AI-assisted analysis of CanineHQ/canine@ba4ee3968d (2026-08-23). Data as JSON: /api/errors/f0cb897278cbbe77. Report an issue: GitHub.