Fix hostname resolution

[wanyunSu]

Description

Fixes #696
In status table, endpoints IP addresses now resolve to their corresponding hostnames.

Note: In k8s, the root controller displays its pod IP, as pod IPs do not have reverse DNS entries and cannot be resolved to hostnames.

┏━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━┳━━━━━━━━━┳━━━━━━━━━━┳━━━━━━━━━━┳━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ Name                   ┃ Info ┃ State   ┃ Substate ┃ In error ┃ Included ┃ Endpoint                          ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━╇━━━━━━━━━╇━━━━━━━━━━╇━━━━━━━━━━╇━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┩
│ root-controller        │      │ initial │ initial  │ No       │ Yes      │ grpc://np04-srv-019.cern.ch:31385 │
│   df-controller        │      │ initial │ initial  │ No       │ Yes      │ grpc://np04-srv-019.cern.ch:38835 │
│     df-01              │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-019.cern.ch:59007 │
│     dfo-01             │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-019.cern.ch:45217 │
│     tp-stream-writer   │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-019.cern.ch:51213 │
│   hsi-fake-controller  │      │ initial │ initial  │ No       │ Yes      │ grpc://np04-srv-019.cern.ch:42357 │
│     hsi-fake-01        │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-019.cern.ch:48435 │
│     hsi-fake-to-tc-app │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-019.cern.ch:52507 │
│   ru-controller        │      │ initial │ initial  │ No       │ Yes      │ grpc://np04-srv-019.cern.ch:38351 │
│     ru-01              │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-019.cern.ch:52931 │
│   trg-controller       │      │ initial │ initial  │ No       │ Yes      │ grpc://np04-srv-019.cern.ch:39977 │
│     mlt                │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-019.cern.ch:34643 │
│     tc-maker-1         │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-019.cern.ch:38079 │
└────────────────────────┴──────┴─────────┴──────────┴──────────┴──────────┴───────────────────────────────────┘

Type of change

• Documentation (non-breaking change that adds or improves the documentation)
• New feature (non-breaking change which adds functionality)
• Optimization (non-breaking, back-end change that speeds up the code)
• Bug fix (non-breaking change which fixes an issue)
• Breaking change (whatever its nature)

Key checklist

• All tests pass (eg. python -m pytest)
• Pre-commit hooks run successfully (eg. pre-commit run --all-files)

Further checks

• Code is commented, particularly in hard-to-understand areas
• Tests added or an issue has been opened to tackle that in the future.
  (Indicate issue here: # (issue))

[PawelPlesniak]

This PR generated the following results with k8s pm

drunc-unified-shell > ps
                                                    Processes running                                                     
┏━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━┳━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━┳━━━━━━━━━━━┓
┃ session ┃ friendly name           ┃ user     ┃ host         ┃ uuid                                 ┃ alive ┃ exit-code ┃
┡━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━╇━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━╇━━━━━━━━━━━┩
│ pawel   │ root-controller         │ pplesnia │ np04-srv-029 │ 6ab19d90-8008-4672-a8c6-9c3d36b36186 │ True  │ 0         │
│ pawel   │   ru-controller         │ pplesnia │ np04-srv-029 │ 1ac06e17-c7b9-45ed-82cb-5326981bd76e │ True  │ 0         │
│ pawel   │     ru-01               │ pplesnia │ np04-srv-029 │ ffb7927d-8725-4e8e-b4c4-76d7615a27f2 │ True  │ 0         │
│ pawel   │   df-controller         │ pplesnia │ np04-srv-029 │ 52703a4e-4e28-4adf-af9b-5856ded51e6c │ True  │ 0         │
│ pawel   │     tp-stream-writer    │ pplesnia │ np04-srv-029 │ f4fec28c-3faa-4484-ad16-c41ec533cbab │ True  │ 0         │
│ pawel   │     dfo-01              │ pplesnia │ np04-srv-029 │ ebc80103-b98b-4379-a054-211a5b1fcb02 │ True  │ 0         │
│ pawel   │     df-01               │ pplesnia │ np04-srv-029 │ 091387fc-2f23-4f2a-8d2e-6c105f86a802 │ True  │ 0         │
│ pawel   │   trg-controller        │ pplesnia │ np04-srv-029 │ 6da0ee54-01eb-432d-8e69-26ba13cf80a2 │ True  │ 0         │
│ pawel   │     tc-maker-1          │ pplesnia │ np04-srv-029 │ e7e8efb0-9e6c-4f37-81fe-ca3dda1025af │ True  │ 0         │
│ pawel   │     mlt                 │ pplesnia │ np04-srv-029 │ 4302e33d-36d6-4266-9f60-871fa3e7ecf8 │ True  │ 0         │
│ pawel   │   hsi-fake-controller   │ pplesnia │ np04-srv-029 │ 84f29954-dfb5-4d3f-8eea-3c0377af31f5 │ True  │ 0         │
│ pawel   │     hsi-fake-01         │ pplesnia │ np04-srv-029 │ 87071080-bba1-44e8-b668-05b7cad59887 │ True  │ 0         │
│ pawel   │     hsi-fake-to-tc-app  │ pplesnia │ np04-srv-029 │ 305ddbd1-adf2-4968-b40d-ae12ced185ac │ True  │ 0         │
│ pawel   │ local-connection-server │ pplesnia │ np04-srv-029 │ bee6ba1d-6e67-4811-b41b-503227c3e652 │ True  │ 0         │
└─────────┴─────────────────────────┴──────────┴──────────────┴──────────────────────────────────────┴───────┴───────────┘
drunc-unified-shell > status
                                                  pawel status                                                  
┏━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━┳━━━━━━━━━┳━━━━━━━━━━┳━━━━━━━━━━┳━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ Name                   ┃ Info ┃ State   ┃ Substate ┃ In error ┃ Included ┃ Endpoint                          ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━╇━━━━━━━━━╇━━━━━━━━━━╇━━━━━━━━━━╇━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┩
│ root-controller        │      │ initial │ initial  │ No       │ Yes      │ grpc://10.244.12.173:30510        │
│   df-controller        │      │ initial │ initial  │ No       │ Yes      │ grpc://np04-srv-029.cern.ch:43791 │
│     df-01              │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-029.cern.ch:43913 │
│     dfo-01             │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-029.cern.ch:44049 │
│     tp-stream-writer   │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-029.cern.ch:51901 │
│   hsi-fake-controller  │      │ initial │ initial  │ No       │ Yes      │ grpc://np04-srv-029.cern.ch:34943 │
│     hsi-fake-01        │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-029.cern.ch:33511 │
│     hsi-fake-to-tc-app │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-029.cern.ch:52767 │
│   ru-controller        │      │ initial │ initial  │ No       │ Yes      │ grpc://np04-srv-029.cern.ch:36755 │
│     ru-01              │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-029.cern.ch:43503 │
│   trg-controller       │      │ initial │ initial  │ No       │ Yes      │ grpc://np04-srv-029.cern.ch:32799 │
│     mlt                │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-029.cern.ch:46195 │
│     tc-maker-1         │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-029.cern.ch:53691 │
└────────────────────────┴──────┴─────────┴──────────┴──────────┴──────────┴───────────────────────────────────┘
[2026/02/16 12:54:27 UTC] INFO       shell_utils.py:165                       drunc.utils.ShellContext                           Current FSM status is initial. Available transitions are conf. Available sequence commands are start-run.

and SSH pm

drunc-unified-shell > ps
                                                   Processes running                                                   
┏━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━┳━━━━━━━━━━━┓
┃ session ┃ friendly name           ┃ user     ┃ host      ┃ uuid                                 ┃ alive ┃ exit-code ┃
┡━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━╇━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━╇━━━━━━━━━━━┩
│ pawel   │ root-controller         │ pplesnia │ localhost │ 11bb2113-3167-412d-80b3-7e27aeca0a86 │ True  │ 0         │
│ pawel   │   ru-controller         │ pplesnia │ localhost │ 27ac8268-d7c0-47fd-b2cd-dd8b71ab3dec │ True  │ 0         │
│ pawel   │     ru-01               │ pplesnia │ localhost │ 6d9e24b0-dae3-4173-a59b-9de7ef87354e │ True  │ 0         │
│ pawel   │   df-controller         │ pplesnia │ localhost │ a992fcfa-619c-4306-b4f6-c02a3e2c3cc8 │ True  │ 0         │
│ pawel   │     tp-stream-writer    │ pplesnia │ localhost │ 2f6a7788-64b0-4b20-aadd-d64d2641d753 │ True  │ 0         │
│ pawel   │     dfo-01              │ pplesnia │ localhost │ ca45c3f2-2174-4f54-99fa-9d51a629d02e │ True  │ 0         │
│ pawel   │     df-01               │ pplesnia │ localhost │ 987f8ab6-b13c-4656-9eb8-0b998a2af99b │ True  │ 0         │
│ pawel   │   trg-controller        │ pplesnia │ localhost │ d6444195-d131-4862-9805-b070c3554065 │ True  │ 0         │
│ pawel   │     tc-maker-1          │ pplesnia │ localhost │ b3564a97-ebfe-405a-b6ef-3d2046e89394 │ True  │ 0         │
│ pawel   │     mlt                 │ pplesnia │ localhost │ fb4f5fd5-dbef-4040-ad9c-583505d92b35 │ True  │ 0         │
│ pawel   │   hsi-fake-controller   │ pplesnia │ localhost │ 5dde62e4-9319-45e1-aadf-310878fca73f │ True  │ 0         │
│ pawel   │     hsi-fake-01         │ pplesnia │ localhost │ 4657f592-0ea9-4cfb-b6f0-5d88aee5aa74 │ True  │ 0         │
│ pawel   │     hsi-fake-to-tc-app  │ pplesnia │ localhost │ 689cf785-8c20-4431-8e5e-97ba5aa0b793 │ True  │ 0         │
│ pawel   │ local-connection-server │ pplesnia │ localhost │ 841a4de3-c12f-4408-932d-b5718905da18 │ True  │ 0         │
└─────────┴─────────────────────────┴──────────┴───────────┴──────────────────────────────────────┴───────┴───────────┘
drunc-unified-shell > status
                                                  pawel status                                                  
┏━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━┳━━━━━━━━━┳━━━━━━━━━━┳━━━━━━━━━━┳━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ Name                   ┃ Info ┃ State   ┃ Substate ┃ In error ┃ Included ┃ Endpoint                          ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━╇━━━━━━━━━╇━━━━━━━━━━╇━━━━━━━━━━╇━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┩
│ root-controller        │      │ initial │ initial  │ No       │ Yes      │ grpc://np04-srv-029.cern.ch:30510 │
│   df-controller        │      │ initial │ initial  │ No       │ Yes      │ grpc://np04-srv-029.cern.ch:41087 │
│     df-01              │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-029.cern.ch:57197 │
│     dfo-01             │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-029.cern.ch:35125 │
│     tp-stream-writer   │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-029.cern.ch:36819 │
│   hsi-fake-controller  │      │ initial │ initial  │ No       │ Yes      │ grpc://np04-srv-029.cern.ch:35881 │
│     hsi-fake-01        │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-029.cern.ch:34537 │
│     hsi-fake-to-tc-app │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-029.cern.ch:43139 │
│   ru-controller        │      │ initial │ initial  │ No       │ Yes      │ grpc://np04-srv-029.cern.ch:39101 │
│     ru-01              │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-029.cern.ch:33489 │
│   trg-controller       │      │ initial │ initial  │ No       │ Yes      │ grpc://np04-srv-029.cern.ch:41411 │
│     mlt                │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-029.cern.ch:37599 │
│     tc-maker-1         │      │ initial │ idle     │ No       │ Yes      │ rest://np04-srv-029.cern.ch:36603 │
└────────────────────────┴──────┴─────────┴──────────┴──────────┴──────────┴───────────────────────────────────┘

Further manual tests were ran succesfully

drunc-unified-shell k8s config/daqsystemtest/example-configs.data.xml local-1x1-config pawel boot ps start-run --run-number 1 ps status shutdown
drunc-unified-shell ssh-standalone config/daqsystemtest/example-configs.data.xml local-1x1-config pawel boot ps start-run --run-number 1 ps status shutdown

[PawelPlesniak]

LGTM, passed MSQT and manual tests