redis-rb | A Ruby client library for Redis | REST library
kandi X-RAY | redis-rb Summary
kandi X-RAY | redis-rb Summary
A Ruby client that tries to match Redis' API one-to-one, while still providing an idiomatic interface. See RubyDoc.info for the API docs of the latest published gem.
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Trending Discussions on redis-rb
QUESTION
On my Ruby on Rails app, I keep getting the error below for the Heroku Redis Premium 0 add-on:
OpenSSL::SSL::SSLError: SSL_connect returned=1 errno=0 state=error: certificate verify failed (self signed certificate in certificate chain)
Heroku Redis documentation mentions that I need to enable TLS in my Redis client's configuration in order to connect to a Redis 6 database. To achive this, I have read SSL/TLS Support documentation on redis-rb. My understanding from it is; I need to assign ca_file
, cert
and key
for Redis.new#ssl_params
. The question is how to set these for Redis or through Sidekiq on Heroku?
Update 3: Heroku support provided an answer which solved the problem.
Update 2: Created Heroku support ticket and waiting response.
Update 1: Asked on Sidekiq's Github issues and was adviced go write Heroku support. Will update this question, when I do get an answer.
Related InfoI have verified the app does work when the add-on is either one of the below:
- hobby-dev for Redis 6
- premium 0 for Redis 5
Versions:
- Ruby – 3.0.0p0
- Ruby on Rails – 6.1.1
- Redis – 6.0
- redis-rb – 4.2.5
- Sidekiq – 6.2.1
- Heroku Stack – 20
Some links that helped me to narrow down the issue:
...ANSWER
Answered 2021-Feb-18 at 12:58Use OpenSSL::SSL::VERIFY_NONE
for your Redis client.
QUESTION
According to the redis-rb ruby gem docs;
...ANSWER
Answered 2020-Nov-05 at 11:59I am not a Ruby nor Redis expert.
Though by reading the Redis documentation about transaction here https://redis.io/topics/transactions we learn that a watched key is unwatched in two ways : either after EXEC is used. (then the transactions completes) or either by UNWATCH.
So there is indeed a reason to use UNWATCH. If the multi block is not called then EXEC is not called either. Then the key is never flushed.
Also I think the conditionnal bit containing redis.unwatch
can indeed happen to be called. As redis.get("key") == "some value"
seems to be purely arbitrary and basically a code design.
It could well be redis.get("key") > "some value"
for example.
(Also it seem having a block passed to watched does not UNWATCH the key automatically as per documentation, as the block is optionnal)
For your second question you are correct, you cannot unwatch a specific key it seems. Though redis.unwatch
seems to work fine.
This does not seem to be a Ruby design. Watching a key is only useful in order to process an atomic transaction, there is no point in leaving watched keys behind us when transaction is either successful or aborted.
I don't see any example of using UNWATCH in the Redis documentation https://redis.io/topics/transactions but it feels natural to flush every key after the transaction block.
QUESTION
I would like to come out with a regex expression that negate the matched results of regex expression: .google.*search
. And, is it possible to achieve it with regex from the regex expression I am trying to negate?
Test data
...ANSWER
Answered 2020-Sep-21 at 07:30the following regex does the trick
QUESTION
I am trying to test my cluster using these ruby clients by the creator of Redis itself. But I constantly get the following error:
error Can't reach a single startup node. NOAUTH Authentication required
I have tried:
...ANSWER
Answered 2020-Aug-04 at 05:38The example is of the old client code,. After hours of toil I found that the following works:
QUESTION
In my environment file, I have:
...ANSWER
Answered 2020-Jul-04 at 06:49Based on the testing that's been done, it looks like the only issue is configuring Rail's cache adapter to properly deliver the password to the Redis client during configuration.
In Rails source, setting the config will pass the latter parameters to the client.
This means if this works:
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