Handle TTL to -1 = no key expiration
This commit is contained in:
		@ -164,15 +164,20 @@ public class RedisLookupDataAdapter extends LookupDataAdapter {
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        final Timer.Context time = redisSetRequestTimer.time();
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        final String trimmedKey = StringUtils.trimToNull(key.toString());
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        try {
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            final String result = this.commands.setex(trimmedKey, ttlSec, value.toString());
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            final String result;
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            if (ttlSec > 0 ) {
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                result = this.commands.setex(trimmedKey, ttlSec, value.toString());
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            } else {
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                result = this.commands.set(trimmedKey, value.toString());
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            }
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            if (!result.equals("OK")) {
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                LOG.warn("Redis SETEX key <{}> to value <{}> with TTL <{}> returned {}", key, value, ttlSec, result);
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                LOG.warn("Redis SET(EX) key <{}> to value <{}> with TTL <{}> returned {}", key, value, ttlSec, result);
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                redisSetRequestErrors.mark();
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                return LookupResult.empty();
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            }
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            return LookupResult.single(value.toString());
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        } catch (Exception e) {
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            LOG.error("Redis SETEX key <{}> to value <{}> with TTL <{}> returned an exception: {}", key, value, ttlSec, e);
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            LOG.error("Redis SET(EX) key <{}> to value <{}> with TTL <{}> returned an exception: {}", key, value, ttlSec, e);
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            redisSetRequestErrors.mark();
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            return LookupResult.withError();
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        } finally {
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@ -200,20 +205,48 @@ public class RedisLookupDataAdapter extends LookupDataAdapter {
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        }
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    }
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    private LookupResult setExpire(String key, Long ttl) {
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        try {
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            final Boolean result = this.commands.expire(key, ttl);
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            if (!result) {
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                LOG.warn("Redis EXPIRE key <{}> to <{}> returned {}", key, ttl, result);
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                return LookupResult.withError();
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            }
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            final String value = this.commands.get(key);
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            return LookupResult.single(value.toString());
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        } catch (Exception e) {
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            LOG.error("Redis EXPIRE key <{}> to <{}> returned {}", key, ttl, e);
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            return LookupResult.withError(e.toString());
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        }
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    }
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    private LookupResult setPersist(String key) {
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        try {
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            final Boolean result = this.commands.persist(key);
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            if (!result) {
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                LOG.warn("Redis PERSIST key <{}> returned {}", key, result);
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                return LookupResult.withError();
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            }
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            final String value = this.commands.get(key);
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            return LookupResult.single(value.toString());
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        } catch (Exception e) {
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            LOG.error("Redis PERSIST key <{}> returned {}", key, e);
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            return LookupResult.withError(e.toString());
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        }
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    }
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    // TTL -1 = never expire
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    public LookupResult assignTtl(Object key, Long ttlSec) {
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        final Timer.Context time = redisSetRequestTimer.time();
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        final String trimmedKey = StringUtils.trimToNull(key.toString());
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        try {
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            final Boolean result = this.commands.expire(trimmedKey, ttlSec);
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            if (!result) {
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                LOG.warn("Redis EXPIRE key <{}> to <{}> returned {}", key, ttlSec, result);
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                redisSetRequestErrors.mark();
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                return LookupResult.withError();
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            if (ttlSec > 0) {
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                return setExpire(trimmedKey, ttlSec);
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            } else {
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                return setPersist(trimmedKey);
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            }
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            final String value = this.commands.get(trimmedKey);
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            return LookupResult.single(value.toString());
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        } catch (Exception e) {
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            LOG.error("Redis EXPIRE key <{}> to <{}> returned {}", key, ttlSec, e);
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            LOG.error("assignTtl <{}> to key <{}> returned {}", ttlSec, trimmedKey, e);
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            redisSetRequestErrors.mark();
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            return LookupResult.withError();
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        } finally {
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@ -221,6 +254,11 @@ public class RedisLookupDataAdapter extends LookupDataAdapter {
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        }
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    }
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    @Override
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    public LookupResult setStringList(Object key, List<String> listValue) {
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        return LookupResult.empty();
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    }
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    public interface Factory extends LookupDataAdapter.Factory2<RedisLookupDataAdapter> {
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        @Override
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        RedisLookupDataAdapter create(@Assisted("dto") DataAdapterDto dto);
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@ -241,7 +279,7 @@ public class RedisLookupDataAdapter extends LookupDataAdapter {
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                    .redisHost("127.0.0.1")
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                    .redisPort(6379)
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                    .redisDB(0)
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                    .redisKeyTTL(86400)
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                    .redisKeyTTL(-)
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                    .redisUsername("")
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                    .redisPassword("")
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                    .build();
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@ -82,7 +82,7 @@ class RedisLookupAdapterFieldSet extends React.Component {
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        label="Redis key TTL"
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        required
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        onChange={this.props.handleFormEvent}
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        help={this.props.validationMessage('redis_ttl', 'Redis key TTL in seconds')}
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        help={this.props.validationMessage('redis_ttl', 'Redis key TTL in seconds. Set -1 to not expire keys')}
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        bsStyle={this.props.validationState('redis_ttl')}
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        value={config.redis_ttl}
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        labelClassName="col-sm-3"
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