Remove site url

[arturo-seijas]

Applicable spec:
N/A

Overview

Remove the site_url configuration option and configure the external hostname through the nginx-route relation.

Rationale

N/A

Juju Events Changes

N/A

Module Changes

charm.py

Library Changes

NA

Checklist

• The charm style guide was applied
• The contributing guide was applied
• The changes are compliant with ISD054 - Managing Charm Complexity
• The documentation is generated using src-docs
• The documentation for charmhub is updated
• The PR is tagged with appropriate label (urgent, trivial, complex)

[github-actions]

Lint checks failed for 58c3eed

```

--- /home/ubuntu/github-runner/_work/indico-operator/indico-operator/tests/integration/conftest.py 2024-05-22 17:53:57.113780+00:00
+++ /home/ubuntu/github-runner/_work/indico-operator/indico-operator/tests/integration/conftest.py 2024-05-22 17:55:02.045220+00:00
@@ -79,13 +79,17 @@
"postgresql-k8s", channel="14/edge", config=postgresql_config, trust=True
),
ops_test.model.deploy("redis-k8s", "redis-broker", channel="latest/edge"),
ops_test.model.deploy("redis-k8s", "redis-cache", channel="latest/edge"),
ops_test.model.deploy(

•        "nginx-ingress-integrator", channel="latest/edge", series="focal", config={
  

•        "nginx-ingress-integrator",
  

•        channel="latest/edge",
  

•        series="focal",
  

•        config={
             "service-hostname": hostname,
  

•        }, trust=True
  

•        },
  

•        trust=True,
     ),
  

  )
  await ops_test.model.wait_for_idle(
  apps=["postgresql-k8s"], status="active", raise_on_error=False
  )

[github-actions]

Test coverage for 58c3eed

Name                       Stmts   Miss Branch BrPart  Cover   Missing
----------------------------------------------------------------------
src/charm.py                 304      9     76      7    96%   575, 612-613, 701->717, 703->712, 712->717, 725-726, 765, 798->exit, 836-842
src/database_observer.py      33      0      4      0   100%
src/s3_observer.py            18      0      0      0   100%
src/saml_observer.py          15      0      0      0   100%
src/smtp_observer.py          16      0      0      0   100%
src/state.py                  74      0     10      0   100%
----------------------------------------------------------------------
TOTAL                        460      9     90      7    97%

Static code analysis report

Run started:2024-05-22 17:55:17.479716

Test results:
  No issues identified.

Code scanned:
  Total lines of code: 2841
  Total lines skipped (#nosec): 3
  Total potential issues skipped due to specifically being disabled (e.g., #nosec BXXX): 0

Run metrics:
  Total issues (by severity):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
  Total issues (by confidence):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
Files skipped (0):