prometheus/cadvisor
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Checks environment variables for empty strings

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If an environment variable is an empty string, cadvisor panics and fails to start
This commit is contained in:
Calum Lacroix 2017-02-08 18:44:56 +00:00 committed by GitHub
parent 36ab9f9aa4
commit 967e09a3a5
1 changed files with 5 additions and 3 deletions
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8
container/docker/handler.go
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@ -252,9 +252,11 @@ func newDockerContainerHandler(
// split env vars to get metadata map.
for _, exposedEnv := range metadataEnvs {
for _, envVar := range ctnr.Config.Env {
splits := strings.SplitN(envVar, "=", 2)
if splits[0] == exposedEnv {
handler.envs[strings.ToLower(exposedEnv)] = splits[1]
if envVar != "" {
splits := strings.SplitN(envVar, "=", 2)
if splits[0] == exposedEnv {
handler.envs[strings.ToLower(exposedEnv)] = splits[1]
}
}
}
}