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Goals at high level

Excercise secrets in real Juju (multiple versions) and Scenario. Make sure Ops API is consistent.

Option 1: Eval

Have pass Python code as a string in the action argument, have charm eval() this code.

The action returns the visible state (only this one secret, metadata, current and newest data).

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def reconcile(self, event: Any):
    secret = self.model.get_secret(...)
    passwd = secret.get_content(refresh=True)
    reldata = self.foo_requirer.get_foobar()
    
    try:
        self.workload.reconfigure_and_restart(
            redata,
            passwd,
            ...

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package main

import (
    "context"
    "crypto/tls"
    "fmt"
    "net"
    "net/http"
    "time"
)

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{
  "annotations": {
    "list": [
      {
        "builtIn": 1,
        "datasource": {
          "type": "grafana",
          "uid": "-- Grafana --"
        },
        "enable": true,

dimaqq

🦐/c/operator (populate-state-from-metadata)> tox -e py3.10-unit -- -k asjklasdkjl
py3.10-unit: venv> /Users/dima/.local/share/uv/tools/tox/bin/uv venv -p cpython3.10 --allow-existing --python-preference system /code/operator/.tox/py3.10-unit
py3.10-unit: install_dependency-groups> /Users/dima/.local/share/uv/tools/tox/bin/uv pip install 'eval-type-backport~=0.2; python_version < "3.10"' 'jsonpatch~=1.33' 'ops[testing,tracing]' 'pydantic~=2.10' 'pytest-xdist~=3.6' 'pytest~=8.0'
py3.10-unit: commands[0]> pytest -n auto --ignore=test/smoke --ignore=test/integration --ignore=test/benchmark --ignore=testing/tests/benchmark --ignore=tracing/test/ --ignore=examples/ -v --tb native -W 'ignore:Harness is deprecated:PendingDeprecationWarning' -k asjklasdkjl
================================================================================================================================================= test session starts ====================================================================================================

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⋊> dima@bb ⋊> ~ coredumpctl debug 3836963                                                                                                                                    13:51:34
           PID: 3836963 (python3)
           UID: 1000 (dima)
           GID: 1000 (dima)
        Signal: 11 (SEGV)
     Timestamp: Wed 2025-06-04 07:03:35 JST (6h ago)
  Command Line: /code/operator-xdist-3.7/.venv/bin/python3 -u -c $'import sys;exec(eval(sys.stdin.readline()))'
    Executable: /home/dima/3.13-dev/python/install/bin/python3.13d
 Control Group: /user.slice/user-1000.slice/user@1000.service/tmux-spawn-f92e4ddc-4a2d-4bf7-a7e2-58abbd1ec088.scope
          Unit: user@1000.service

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System behaved weird...

root@tracing-integration-tester-0:/var/lib/juju# curl -v --data '{"a":42}' localhost:41293
* Host localhost:41293 was resolved.
* IPv6: ::1
* IPv4: 127.0.0.1
*   Trying [::1]:41293...
* Connected to localhost (::1) port 41293
> POST / HTTP/1.1

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Fatal Python error: Segmentation fault

Thread 0x0000730aa34916c0 (most recent call first):
  File "/code/operator-xdist-3.6.1/.tox/unit/lib/python3.9/site-packages/execnet/gateway_base.py", line 534 in read
  File "/code/operator-xdist-3.6.1/.tox/unit/lib/python3.9/site-packages/execnet/gateway_base.py", line 567 in from_io
  File "/code/operator-xdist-3.6.1/.tox/unit/lib/python3.9/site-packages/execnet/gateway_base.py", line 1160 in _thread_receiver
  File "/code/operator-xdist-3.6.1/.tox/unit/lib/python3.9/site-packages/execnet/gateway_base.py", line 341 in run
  File "/code/operator-xdist-3.6.1/.tox/unit/lib/python3.9/site-packages/execnet/gateway_base.py", line 411 in _perform_spawn

Current thread 0x0000730aa5f0e740 (most recent call first):

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[2469010.901237] traps: python[2468223] general protection fault ip:78e1eff33c00 sp:7ffff5600ef8 error:0 in libpython3.8.so.1.0[333c00,78e1efd78000+c97000]

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Fatal Python error: Segmentation fault

Thread 0x0000704b0f63f6c0 (most recent call first):
  File "/home/dima/.local/share/uv/python/cpython-3.9.22-linux-x86_64-gnu/lib/python3.9/threading.py", line 316 in wait
  File "/code/operator/.tox/unit/lib/python3.9/site-packages/opentelemetry/sdk/trace/export/__init__.py", line 258 in worker
  File "/home/dima/.local/share/uv/python/cpython-3.9.22-linux-x86_64-gnu/lib/python3.9/threading.py", line 917 in run
  File "/home/dima/.local/share/uv/python/cpython-3.9.22-linux-x86_64-gnu/lib/python3.9/threading.py", line 980 in _bootstrap_inner
  File "/home/dima/.local/share/uv/python/cpython-3.9.22-linux-x86_64-gnu/lib/python3.9/threading.py", line 937 in _bootstrap

Thread 0x0000704b160516c0 (most recent call first):