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feat(yarn_client): auth config for YARN REST (none/simple/basic/kerberos)

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Add per-Connection authentication so CDH 5 / Kerberos / HTTP Basic
clusters can be queried.

- auth_type: none / simple / basic / kerberos
- auth_user / auth_password for HTTP Basic
- auth_principal / auth_keytab stored for audit/display; actual SPNEGO
  handled by httpx-kerberos using the system Kerberos credential cache
- YarnClientConfig.auth_for_httpx() returns the right httpx.Auth object
- _request passes auth= through to httpx.request alongside verify=

New dependency: httpx-kerberos.

Tests cover none/simple (no auth object), Basic auth header,
Kerberos auth object, missing basic user, invalid auth_type, and
tool-layer config propagation.
This commit is contained in:
Claude
2026-06-26 13:57:57 +08:00
parent ad557b5984
commit 10f075ab7f
9 changed files with 256 additions and 8 deletions
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[package.optional-dependencies]
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{ name = "krb5", marker = "sys_platform != 'win32'" },
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{ name = "gunicorn" },
{ name = "httpx" },
{ name = "httpx-kerberos" },
{ name = "loguru" },
{ name = "pydantic" },
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