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Merge c44e907a00 into 2ce65c324c

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Björn Wenzel 2025-03-29 22:38:33 +00:00 committed by GitHub
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3
README.md
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@ -224,6 +224,9 @@ The following environment variables configure the exporter:
the default legacy format. Accepts URI form and key=value form arguments. The the default legacy format. Accepts URI form and key=value form arguments. The
URI may contain the username and password to connect with. URI may contain the username and password to connect with.
* `DATA_SOURCE_NAME_FILE`
The same as above but reads the URI from a file.
* `DATA_SOURCE_URI` * `DATA_SOURCE_URI`
an alternative to `DATA_SOURCE_NAME` which exclusively accepts the hostname an alternative to `DATA_SOURCE_NAME` which exclusively accepts the hostname
without a username and password component. For example, `my_pg_hostname` or without a username and password component. For example, `my_pg_hostname` or

10
cmd/postgres_exporter/datasource.go
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@ -124,6 +124,16 @@ func getDataSources() ([]string, error) {
return strings.Split(dsn, ","), nil return strings.Split(dsn, ","), nil
} }
dataSourceNameFile := os.Getenv("DATA_SOURCE_NAME_FILE")
if len(dataSourceNameFile) != 0 {
fileContents, err := ioutil.ReadFile(dataSourceNameFile)
if err != nil {
return nil, fmt.Errorf("failed loading data source name file %s: %s", dataSourceNameFile, err.Error())
}
dsnContent := strings.TrimSpace(string(fileContents))
return strings.Split(dsnContent, ","), nil
}
var user, pass, uri string var user, pass, uri string
dataSourceUserFile := os.Getenv("DATA_SOURCE_USER_FILE") dataSourceUserFile := os.Getenv("DATA_SOURCE_USER_FILE")