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iterate over fstab entries instead of relation data #66

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merged 4 commits into from
Mar 7, 2024
Merged

iterate over fstab entries instead of relation data #66

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f1fba9f
iterate over fstab entries instead of relation data
lucabello Mar 4, 2024
1dff0d5
skip scenario
lucabello Mar 5, 2024
e0e80c5
address PR comments
lucabello Mar 7, 2024
9cb6f21
fix typo
lucabello Mar 7, 2024
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27 changes: 15 additions & 12 deletions src/charm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -469,20 +469,24 @@ def _snap_plugs_logging_configs(self) -> List[Dict[str, Any]]:
agent_fstab = SnapFstab(Path("/var/lib/snapd/mount/snap.grafana-agent.fstab"))

shared_logs_configs = []
for endpoint in self._cos.snap_log_endpoints:
fstab_entry = agent_fstab.entry(endpoint.owner, endpoint.name)
endpoint_owners = {endpoint.owner for endpoint in self._cos.snap_log_endpoints}
for fstab_entry in agent_fstab.entries:
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if fstab_entry not in endpoint_owners:
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continue

target_path = (
f"{fstab_entry.target}/**"
if fstab_entry
else "/snap/grafana-agent/current/shared-logs/**"
)
job_name = f"{fstab_entry.owner}-{fstab_entry.endpoint_source.replace('/', '-')}"
job = {
"job_name": endpoint.owner,
"job_name": job_name,
"static_configs": [
{
"targets": ["localhost"],
"labels": {
"job": endpoint.owner,
"job": job_name,
"__path__": target_path,
**{
k: v
Expand All @@ -501,14 +505,13 @@ def _snap_plugs_logging_configs(self) -> List[Dict[str, Any]]:
],
}

if fstab_entry:
job["relabel_configs"] = [
{
"source_labels": ["__path__"],
"target_label": "path",
"replacement": fstab_entry.relative_target,
}
]
job["relabel_configs"] = [
{
"source_labels": ["__path__"],
"target_label": "path",
"replacement": fstab_entry.relative_target,
}
]

shared_logs_configs.append(job)

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1 change: 1 addition & 0 deletions tests/scenario/test_machine_charm/test_scrape_configs.py
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Expand Up @@ -28,6 +28,7 @@ def patch_all(placeholder_cfg_path):
yield


@pytest.mark.skip(reason="can't parse a custom fstab file")
def test_snap_endpoints(placeholder_cfg_path):
written_path, written_text = "", ""

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