rego | An online Go regular expression tester | Regex library
kandi X-RAY | rego Summary
kandi X-RAY | rego Summary
Rego is an online Go regular expression tester. It’s currently deployed on Heroku at [
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- Run a regular expression
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Trending Discussions on rego
QUESTION
I have 3 roles and I am trying to return what actions a user can do based on the assigned roles.
Playground: https://play.openpolicyagent.org/p/5gN7ObojXh
The first part should check if the object being processed is in a list, and then if the role(s) return any actions.
I'm very new to OPA and Rego and I am finding it to be very confusing when anything more than simple comparisons are required.
...ANSWER
Answered 2022-Apr-03 at 14:38Rules in OPA are either complete or partial. Complete rules are those that evaluate to a single value, and as such will fail if evalutated to different, conflicting values — e.g. a boolean "allow" rule can't be both true and false.
Partial rules either return sets or objects, and are built incrementally by evaluating each rule with the same name and adding the result to the set/object produced by the rule.
Example policy using a partial rule to build a set might look something like this:
QUESTION
I am working on a rego policy that has multiple conditions. Each condition needs to make a call to the same endpoint of a REST api.
I have managed to retain the result of the service call as a result of another rule.
The result of the Evaluate Package command (VS Code with OPA extension) on the policy looks like this now:
[ [ { "allow": false, "someProp": [ "N/A" ] } ] ]
Will this affect the correctness of the policy once it gets deployed to the server?
EDIT
Until my changes, the policy only returned allow.
...ANSWER
Answered 2022-Mar-25 at 21:16The "evaluate package" feature of the VS Code plugin does pretty much just that :) i.e. it evaluates the whole package including all rules. You'll see the same default behavior in the Rego Playground, since it's a pretty good way of learning what's going on to see what all rules evaluate to.
When running OPA as a server (or by all means, opa eval
), you'll commonly query only the specific rule you're interested in, so if in your case you had defined your policy in a package called mypolicy
a request to the OPA REST API might be sent to the /v1/data/mypolicy/allow
endpoint to evaluate only the allow
rule rathe than the whole package (which could be queried at /v1/data/mypolicy
.
QUESTION
I'm using Open Policy Agent as an authorization component together with OIDC enabled apps.
I have input from the apps in the format:
...ANSWER
Answered 2022-Mar-10 at 07:52OPA stores all data under the data
path, including policy and rules. There's no way for the compiler to know that the input you're providing isn't referencing the policy itself (i.e. data["whatever"]
) which would be recursive. The easiest way to work around this is to simply use a top level attribute for your data which differs from your policy (i.e package name), like this:
QUESTION
Given input as follow:
...ANSWER
Answered 2022-Jan-28 at 03:50Here's one way of doing it.
QUESTION
I just started to use OPA, so there is a high chance I'm doing something wrong.
I have the following input:
...ANSWER
Answered 2022-Jan-21 at 21:58QUESTION
Working with Rego, the Open Policy Agent (OPA) "rules" language, and given the following data:
...ANSWER
Answered 2022-Jan-14 at 18:24Comprehension format
QUESTION
Here is small portion of my data in dictionary format.
...ANSWER
Answered 2021-Dec-25 at 16:34The day that has the highest number of complaints can be find like this.
QUESTION
I have set up DAPR to run a sidecar on my application that's absolutely fine. i am now trying to get OPA injected as middleware in the DAPR call. this should be simple... Set up the application annotation to config, the pipeline configuration, and the component:
Application annotation:
...ANSWER
Answered 2021-Dec-18 at 14:49There was an error in parsing value of the defaultStatus: https://github.com/dapr/dapr/issues/3216. It was fixed in v1.5.
QUESTION
I am trying to write a rule but am running into an issue. I managed to extract the following from as my input:
...ANSWER
Answered 2021-Dec-05 at 15:46In your set comprehension for p
, you're iterating over the objects in myData
, assigning each element to keep
. Then, you assert something on myData.Key
. I think what you're looking for is
QUESTION
I am attempting to learn the various features of something called Open Policy Agent because I think it may be a useful tool in a microservices based application.
Here is a link to the 'Running with Docker' section of the documentation for this application: https://www.openpolicyagent.org/docs/latest/deployments/#running-with-docker
Currently, I am running Docker using the Docker Desktop in a Windows 10 environment and I already have a docker-compose file set up for my main application which includes various docker images. My thoughts were that I could simply add the latest openpolicyagent image as well as the openpolicyagent demo-restful api so that I could begin learning about the service. To do this, I added the following lines to my docker-compose.yml:
...ANSWER
Answered 2021-Nov-25 at 19:59OPA can be run in a few different ways, and opa eval
is distinctly different from running OPA as a server, i.e. opa run --server
.
When you run OPA as a server - which is how you'd normally run OPA in production - you query OPA for policy decisions through OPA's REST API.
opa eval
on the other hand is more like a Swiss army knife of OPA, allowing you to quickly evaluate a rule or expression given some provided policy and data.
You can think of them as two entirely different tools.
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