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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/fastos/fastos.h>
#include <vespa/defaults.h>
#include <vespa/log/log.h>
#include <vespa/vespalib/text/stringtokenizer.h>
LOG_SETUP("vespa-config-status");
#include <iostream>
#include <lib/configstatus.h>
#include <lib/hostfilter.h>
class Application : public FastOS_Application {
ConfigStatus::Flags _flags;
vespalib::string _cfgId;
vespalib::string _specString;
int parseOpts();
vespalib::string getSources();
HostFilter parse_host_set(vespalib::stringref raw_arg) const;
public:
void usage(void);
int Main(void);
Application() : _flags(), _cfgId("admin/model"), _specString("") {}
};
int Application::parseOpts() {
char c = '?';
const char *optArg = NULL;
int optInd = 0;
while ((c = GetOpt("c:s:vC:f:", optArg, optInd)) != -1) {
switch (c) {
case 'v':
_flags.verbose = true;
break;
case 'C':
_cfgId = optArg;
break;
case 'c':
_specString = optArg;
break;
case 'h':
usage();
exit(0);
case 'f':
_flags.host_filter = parse_host_set(optArg);
break;
default:
usage();
exit(1);
}
}
if (_specString.empty()) {
_specString = getSources();
}
return optInd;
}
HostFilter Application::parse_host_set(vespalib::stringref raw_arg) const {
vespalib::StringTokenizer tokenizer(raw_arg, ",");
tokenizer.removeEmptyTokens();
HostFilter::HostSet hosts;
for (auto& host : tokenizer) {
hosts.emplace(host);
}
return HostFilter(std::move(hosts));
}
void Application::usage() {
std::cerr << "vespa-config-status version 1.0\n"
<< "Usage: " << _argv[0] << " [options]\n"
<< "options: [-v] for verbose\n"
<< " [-c host] or [-c host:port] to specify config server\n"
<< " [-f host0,...,hostN] filter to only query config\n"
" status for the given comma-separated set of hosts\n"
<< std::endl;
}
int Application::Main() {
parseOpts();
config::ServerSpec spec(_specString);
config::ConfigUri uri = config::ConfigUri::createFromSpec(_cfgId, spec);
ConfigStatus status(_flags, uri);
return status.action();
}
vespalib::string Application::getSources() {
vespalib::string specs;
for (std::string v : vespa::Defaults::vespaConfigSourcesRpcAddrs()) {
if (! specs.empty()) specs += ",";
specs += v;
}
return specs;
}
int main(int argc, char **argv) {
Application app;
return app.Entry(argc, argv);
}
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