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renew token periodically #120

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Merged
merged 2 commits into from
Jul 18, 2019
Merged

renew token periodically #120

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a1ee673
renew token periodically
Jul 16, 2019
6e27757
cleanup code
Jul 16, 2019
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43 changes: 39 additions & 4 deletions config-vault/src/main/java/io/scalecube/config/vault/VaultConfigSource.java
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,11 @@
import io.scalecube.config.source.ConfigSource;
import io.scalecube.config.source.LoadedConfigProperty;
import io.scalecube.config.utils.ThrowableUtil;
import java.time.Duration;
import java.util.Map;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;
import java.util.function.Function;
import java.util.stream.Collectors;
import org.slf4j.Logger;
Expand All @@ -30,6 +34,7 @@ public class VaultConfigSource implements ConfigSource {

private final Vault vault;
private final String secretsPath;
private final Duration renewEvery;

/**
* Create a new {@link VaultConfigSource} with the given {@link Builder}.
Expand All @@ -38,7 +43,34 @@ public class VaultConfigSource implements ConfigSource {
*/
private VaultConfigSource(Builder builder) {
this.secretsPath = builder.secretsPath();
this.renewEvery = builder.renewEvery;
vault = new Vault(builder.config);

if (renewEvery != null) {
long initialDelay = renewEvery.toMillis();
long period = renewEvery.toMillis();
TimeUnit unit = TimeUnit.MILLISECONDS;
ThreadFactory factory =
r -> {
Thread thread = new Thread(r);
thread.setDaemon(true);
thread.setName(VaultConfigSource.class.getSimpleName() + " token renewer");
return thread;
};
Executors.newScheduledThreadPool(1, factory)
.scheduleAtFixedRate(
() -> {
try {
vault.auth().renewSelf();
LOGGER.info("renew token success");
} catch (VaultException vaultException) {
LOGGER.error("failed to renew token", vaultException);
}
},
initialDelay,
period,
unit);
}
}

private void checkVaultStatus() throws VaultException {
Expand All @@ -56,10 +88,7 @@ public Map<String, ConfigProperty> loadConfig() {
try {
checkVaultStatus();
LogicalResponse response = vault.logical().read(this.secretsPath);
return response
.getData()
.entrySet()
.stream()
return response.getData().entrySet().stream()
.map(LoadedConfigProperty::withNameAndValue)
.map(LoadedConfigProperty.Builder::build)
.collect(Collectors.toMap(LoadedConfigProperty::name, Function.identity()));
Expand Down Expand Up @@ -104,6 +133,7 @@ public static final class Builder {

final VaultConfig config = new VaultConfig();
private final String secretsPath;
private Duration renewEvery = null;

Builder(String address, String token, String secretsPath) {
config
Expand All @@ -123,6 +153,11 @@ public Builder readTimeout(int readTimeout) {
return this;
}

public Builder renewEvery(Duration duration) {
renewEvery = duration;
return this;
}

/**
* Builds vault config source.
*
Expand Down