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Initial implementation #2

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fyrchik merged 1 commit from fyrchik/policy-engine:init into master 2023-10-23 10:18:07 +00:00
Conversation 1 Commits 1 Files changed 13 +664
fyrchik commented 2023-10-04 08:33:26 +00:00
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fyrchik force-pushed init from f95aac7b36 to 839b694a89 2023-10-17 14:11:25 +00:00 Compare
fyrchik force-pushed init from 839b694a89 to 3970569602 2023-10-17 14:33:29 +00:00 Compare
fyrchik changed title from [#xx] Initial implementation to Initial implementation 2023-10-19 14:51:56 +00:00
fyrchik requested review from storage-core-committers 2023-10-19 14:52:04 +00:00
fyrchik requested review from storage-core-developers 2023-10-19 14:52:05 +00:00
fyrchik requested review from storage-services-committers 2023-10-19 14:52:05 +00:00
fyrchik requested review from storage-services-developers 2023-10-19 14:52:05 +00:00
dkirillov approved these changes 2023-10-20 06:26:37 +00:00
dkirillov reviewed 2023-10-20 08:03:19 +00:00
chain.go Outdated
@ -0,0 +151,4 @@
return NoRuleFound, false
}
for i := range r.Action {
if globMatch(r.Action[i], req.Operation()) {
dkirillov commented 2023-10-20 08:03:19 +00:00
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Should the args be in reverse order?
if globMatch(req.Operation(), r.Action[i]) {

Should the args be in reverse order? `if globMatch(req.Operation(), r.Action[i]) {`
fyrchik commented 2023-10-20 10:17:55 +00:00
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Fixed

Fixed
dkirillov commented 2023-10-20 10:45:12 +00:00
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Did you push the fix into init branch in the main repo

Line 154 in c1ac4ad
if globMatch(req.Operation(), r.Action[i]) {

and not to the branch from which this PR is opened https://git.frostfs.info/fyrchik/policy-engine/src/commit/3970569602d100fc47b9b0e51f55586820652f8b/chain.go#L154 ?

Did you push the fix into `init` branch in the main repo https://git.frostfs.info/TrueCloudLab/policy-engine/src/commit/c1ac4ad957262ac4da2dc3bbfcb3b31028d71128/chain.go#L154 and not to the branch from which this PR is opened https://git.frostfs.info/fyrchik/policy-engine/src/commit/3970569602d100fc47b9b0e51f55586820652f8b/chain.go#L154 ?
fyrchik commented 2023-10-20 11:04:19 +00:00
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Yes, probably, fixed

Yes, probably, fixed
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dstepanov-yadro reviewed 2023-10-20 10:29:22 +00:00
chain.go Outdated
@ -0,0 +20,4 @@
func init() {
// FIXME #1 (@fyrchik): Introduce more optimal serialization format.
gob.Register(Chain{})
dstepanov-yadro commented 2023-10-20 10:19:13 +00:00
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As far as i remember gob requires to register every type, but Chain contains interfaces. Is simple json not good enough?

As far as i remember `gob` requires to register every type, but Chain contains interfaces. Is simple json not good enough?
fyrchik commented 2023-10-20 11:04:47 +00:00
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true, replaced

true, replaced
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chain.go Outdated
@ -0,0 +110,4 @@
CondArnNotLike ConditionType = "ArnNotLike"
)
func (c *Condition) Match(obj Request) bool {
dstepanov-yadro commented 2023-10-20 10:25:55 +00:00
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obj Request -> req Request

obj Request -> req Request
fyrchik commented 2023-10-20 11:35:35 +00:00
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fixed

fixed
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chain.go Outdated
@ -0,0 +118,4 @@
case ObjectRequest:
val = obj.Property(c.Key)
default:
return false
dstepanov-yadro commented 2023-10-20 10:23:04 +00:00
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Explain please why unknown Object leads to false, but unknown Op leads to panic?

Explain please why unknown Object leads to false, but unknown Op leads to panic?
fyrchik commented 2023-10-20 11:36:28 +00:00
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Made panic for both. Panic is for the development stage, to avoid long debugging sessions after silent misbehaviour.

Made panic for both. Panic is for the development stage, to avoid long debugging sessions after silent misbehaviour.
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dstepanov-yadro reviewed 2023-10-20 10:32:48 +00:00
resource.go Outdated
@ -0,0 +3,4 @@
// Request represents generic named resource (bucket, container etc.).
// Name is resource depenent but should be globally unique for any given
// type of resource.
type Request interface {
dstepanov-yadro commented 2023-10-20 10:32:48 +00:00
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I think interface can be replaced with struct, because Request looks like data-holder, not behavior.
But it is up to you.

I think interface can be replaced with struct, because Request looks like data-holder, not behavior. But it is up to you.
fyrchik commented 2023-10-20 11:38:32 +00:00
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It is an interfarce because of 2 reasons:

  1. Multiple implementations are possible (S3 and gRPC protocol).
  2. We do not want to depend on frostfs-api here (object) and we do not want to copy all objects attributes just to create this struct.

Maybe I don't understand, what is the exact struct you have in mind?

It is an interfarce because of 2 reasons: 1. Multiple implementations are possible (S3 and gRPC protocol). 2. We do not want to depend on frostfs-api here (object) and we do not want to copy all objects attributes just to create this struct. Maybe I don't understand, what is the exact struct you have in mind?
dstepanov-yadro commented 2023-10-20 12:35:40 +00:00
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Something like that:

type Request struct {
	Operation string
	Properties map[string]string
	Resource Resource
}

Multiple implementations are possible (S3 and gRPC protocol).

I belive that both of s3-gw and node will go to the same implementation of this interface.

we do not want to copy all objects attributes

It is not required to copy everything

Something like that: ``` type Request struct { Operation string Properties map[string]string Resource Resource } ``` > Multiple implementations are possible (S3 and gRPC protocol). I belive that both of s3-gw and node will go to the same implementation of this interface. > we do not want to copy all objects attributes It is not required to copy everything
fyrchik commented 2023-10-20 12:45:28 +00:00
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I wanted to avoid allocating Properties map as much as possible. Let's see the prototypes and figure out whether is is better.

I wanted to avoid allocating `Properties` map as much as possible. Let's see the prototypes and figure out whether is is better.
fyrchik commented 2023-10-20 12:45:40 +00:00
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This is not a final implementation.

This is not a final implementation.
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dstepanov-yadro reviewed 2023-10-20 10:49:23 +00:00
chain.go Outdated
@ -0,0 +176,4 @@
func (r *Rule) matchAll(obj Request) (status Status, matched bool) {
for i := range r.Condition {
if !r.Condition[i].Match(obj) {
return NoRuleFound, false
dstepanov-yadro commented 2023-10-20 10:49:23 +00:00
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NoRuleFound -> AccessDenied:

NoRuleFound -> AccessDenied:
fyrchik commented 2023-10-20 11:39:30 +00:00
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There are multiple rules in the chain, AccessDenied implies one of the conditions has matched.

There are multiple rules in the chain, `AccessDenied` implies one of the conditions has matched.
dstepanov-yadro commented 2023-10-20 12:36:11 +00:00
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Ah, ok

Ah, ok
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dstepanov-yadro reviewed 2023-10-20 10:50:43 +00:00
chain.go Outdated
@ -0,0 +171,4 @@
return r.Status, true
}
}
return NoRuleFound, false
dstepanov-yadro commented 2023-10-20 10:50:43 +00:00
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NoRuleFound -> AccessDenied

NoRuleFound -> AccessDenied
fyrchik commented 2023-10-20 11:40:16 +00:00
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Agree here, I have postponed having default DENY values for future, to make the result more explicit.

Agree here, I have postponed having default DENY values for future, to make the result more explicit.
dstepanov-yadro marked this conversation as resolved
fyrchik force-pushed init from 3970569602 to c1ac4ad957 2023-10-20 11:04:18 +00:00 Compare
fyrchik force-pushed init from c1ac4ad957 to 9fe3e55d6f 2023-10-20 11:40:47 +00:00 Compare
dkirillov approved these changes 2023-10-20 13:19:20 +00:00
dstepanov-yadro approved these changes 2023-10-23 06:50:32 +00:00
dkirillov commented 2023-10-23 07:37:32 +00:00
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It seems we need fix link to the PR in commit message

It seems we need fix link to the PR in commit message
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fyrchik force-pushed init from 9fe3e55d6f to 5ebb2e694c 2023-10-23 07:45:28 +00:00 Compare
fyrchik merged commit 5ebb2e694c into master 2023-10-23 10:18:07 +00:00
fyrchik referenced this pull request from a commit 2023-10-23 10:18:09 +00:00
[#2] Initial implementation
fyrchik deleted branch init 2023-10-23 10:18:14 +00:00
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