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Implement ServerConfig admin REST API (#3741)

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Returns a valid config.json of the setup. In case of distributed
setup, it checks if quorum or more number of nodes have the same
config.json.
This commit is contained in:
Krishnan Parthasarathi
2017-02-21 02:28:50 +05:30
committed by Harshavardhana
parent 70d825c608
commit 2745bf2f1f
11 changed files with 691 additions and 10 deletions
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29
cmd/admin-handlers.go
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@@ -672,3 +672,32 @@ func (adminAPI adminAPIHandlers) HealFormatHandler(w http.ResponseWriter, r *htt
// Return 200 on success.
writeSuccessResponseHeadersOnly(w)
}
// GetConfigHandler - GET /?config
// - x-minio-operation = get
// Get config.json of this minio setup.
func (adminAPI adminAPIHandlers) GetConfigHandler(w http.ResponseWriter, r *http.Request) {
// Validate request signature.
adminAPIErr := checkRequestAuthType(r, "", "", "")
if adminAPIErr != ErrNone {
writeErrorResponse(w, adminAPIErr, r.URL)
return
}
// check if objectLayer is initialized, if not return.
if newObjectLayerFn() == nil {
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
return
}
// Get config.json from all nodes. In a single node setup, it
// returns local config.json.
configBytes, err := getPeerConfig(globalAdminPeers)
if err != nil {
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
errorIf(err, "Failed to get config from peers")
return
}
writeSuccessResponseJSON(w, configBytes)
}