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Feature azurefirewall #201

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Description of your changes

Create a Azure Firewall through crossplane and add NAT and Network Rules to restrict traffic.

Issue: #198

I have:

  • Read and followed Crossplane's [contribution process].
  • Run make reviewable test to ensure this PR is ready for review.

How has this code been tested

This code has been tested manually, using the configuration files in the "example" folder which can referred for the same.

@ShreyNamdeo ShreyNamdeo force-pushed the feature-azurefirewall branch from 89e5d9b to d77f8e2 Compare November 23, 2020 06:11
@escortnotice escortnotice marked this pull request as ready for review November 23, 2020 06:13
@muvaf muvaf requested review from hasheddan and kasey November 23, 2020 14:58
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Thanks for working on this @escortnotice! I have added some review comments below. It looks like the resource schema needs to be cleaned up some and tests need to be added. Also, I think you may have accidentally included an already existing commit in your history. Let me know if you have any questions :)


Spec AzureFirewallSpec `json:"spec"`
Status AzureFirewallStatus `json:"status,omitempty"`
///Properties SecurityGroupPropertiesFormat `json:"properties,omitempty"`
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Looks like this needs to be removed

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Delete the commented code at line 246

// +kubebuilder:printcolumn:name="SYNCED",type="string",JSONPath=".status.conditions[?(@.type=='Synced')].status"
// +kubebuilder:printcolumn:name="STATE",type="string",JSONPath=".status.state"
// +kubebuilder:printcolumn:name="LOCATION",type="string",JSONPath=".spec.location"
// +kubebuilder:printcolumn:name="RECLAIM-POLICY",type="string",JSONPath=".spec.reclaimPolicy"
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nitpick: reclaimPolicy is deprecated so we probably shouldn't show it here

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Removed reclaim policy declaration code.

// Location - Resource location.
Location string `json:"location"`

//AzureFirewallPropertiesFormat - Properties of AzureFirewall
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Suggested change
//AzureFirewallPropertiesFormat - Properties of AzureFirewall
// AzureFirewallPropertiesFormat - Properties of AzureFirewall

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Added space in comment line 275

Location string `json:"location"`

//AzureFirewallPropertiesFormat - Properties of AzureFirewall
AzureFirewallPropertiesFormat `json:"properties,omitempty"`
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If this is optional it should have // +optional

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'AzureFirewallPropertiesFormat' is not optional.

Etag string `json:"etag,omitempty"`

// ID - Resource ID.
ID string `json:"id,omitempty"`
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// +optional plus *string. Can you actually set the ID at creation time?

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Could you please give us a reference code or explain the changes needed as we are not aware.

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The Crossplane managed resource API conventions doc is a good resource that discusses these topics. The convention is to have pointer types for optional fields, and to use the // +optional marker comment for them.


// Type - READ-ONLY; Resource type.
Type string `json:"type,omitempty"`
// Location - Resource location.
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Suggested change
// Location - Resource location.

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Removed extra comment from the code.

Comment on lines 291 to 295
// Name - READ-ONLY; Resource name.
Name string `json:"name,omitempty"`

// Type - READ-ONLY; Resource type.
Type string `json:"type,omitempty"`
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These should be in status if read only

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We need to specify these properties while creating firewall , thus we kept them in Spec and we have removed the READ-ONLY signature from comment.

Location: azure.ToStringPtr(v.Spec.Location),
Tags: azure.ToStringPtrMap(v.Spec.Tags),
AzureFirewallPropertiesFormat: &networkmgmt.AzureFirewallPropertiesFormat{
//ApplicationRuleCollections: nil,
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Should this be removed?

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We have removed this commented code.

Comment on lines +92 to +94
if az.Name != nil {
azurefirewall.UpdateAzureFirewallStatusFromAzure(v, az)
}
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Do any spec fields need to be late initialized also?

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Can you please explain the statement we did not understand the context.

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Late initialization is the process of setting spec fields that are not provided by the user when they create the resource, but are set to default values by Azure. Here is an example of doing this: https://github.com/crossplane/provider-azure/blob/45f75a573ad4cc1727cfcee86d616b4892a11f74/pkg/clients/database/mysql.go#L306

// +kubebuilder:printcolumn:name="AGE",type="date",JSONPath=".metadata.creationTimestamp"
// +kubebuilder:subresource:status
// +kubebuilder:resource:scope=Cluster,categories={crossplane,managed,azure}
type AzureFirewall struct {
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Since this is a new resource it should be introduced at v1alpha1 version

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In the existing codebase we can see v1beta1 or v1alpha3 outside the network folder and v1alpha3 inside network folder , so do you suggest us to create v1alpha1 module also , if so we will need some direction or help from you as we are not aware of the process for doing that.

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@ShreyNamdeo yes creating a new package would be appropriate here 👍

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5 participants