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fix: check for duplicate labels

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This commit is contained in:
Jakob
2025-12-12 10:04:51 +01:00
parent df15485d7c
commit b05712cf83
1 changed files with 12 additions and 1 deletions
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13
src/core/system.cpp
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@@ -1751,7 +1751,18 @@ std::string System::get_metrics_prometheus() {
// collect string for info metric (skip dynamic strings like uptime and timestamp)
std::string val = p.value().as<const char *>();
if (!val.empty() && key != "uptime" && key != "timestamp") {
local_info_labels.push_back({to_lowercase(key), val});
std::string lower_key = to_lowercase(key);
// check if key already exists in local_info_labels
bool key_exists = false;
for (const auto & label : local_info_labels) {
if (label.first == lower_key) {
key_exists = true;
break;
}
}
if (!key_exists) {
local_info_labels.push_back({lower_key, val});
}
}
}
}