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37
kind/stacks/crossplane-integrations/README.md
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37
kind/stacks/crossplane-integrations/README.md
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# Crossplane Integrations for Backstage
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`idpBuilder` is extensible to launch custom Crossplane patterns using package extensions.
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Please use the below command to deploy an IDP reference implementation with an Argo application for preparing up the setup for terraform integrations:
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```bash
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idpbuilder create \
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--use-path-routing \
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--package https://github.com/cnoe-io/stacks//ref-implementation \
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--package https://github.com/cnoe-io/stacks//crossplane-integrations
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```
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## What is installed?
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1. Crossplane Runtime
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1. AWS providers
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1. Basic Compositions
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This needs your credentials for this to work. Follow the Crossplane installation documentation on how to add your credentials.
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## Application with cloud resources.
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With this integration, we can deploy an application with cloud resources using Backstage templates from the reference implementation, together with Crossplane integrations.
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In this example, we will create an application with a S3 Bucket.
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Choose a template named `App with S3 bucket`, type `demo3` as the name, then choose a region to create this bucket in.
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Once you click the create button, you will have a very similar setup as the basic example.
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The only difference is we now have a resource for a S3 Bucket which is managed by Crossplane.
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Note that Bucket is **not** created because Crossplane doesn't have necessary credentials to do so.
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If you'd like it to actually create a bucket, update [the credentials secret file](crossplane-providers/provider-secret.yaml), then run `idpbuilder create --package https://github.com/cnoe-io/stacks//ref-implementation`.
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In this example, we used Crossplane to provision resources, but you can use other cloud resource management tools such as Terraform instead.
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Regardless of your tool choice, concepts are the same. We use Backstage as the templating mechanism and UI for users, then use Kubernetes API with GitOps to deploy resources.
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22
kind/stacks/crossplane-integrations/crossplane-compositions.yaml
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kind/stacks/crossplane-integrations/crossplane-compositions.yaml
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apiVersion: argoproj.io/v1alpha1
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kind: Application
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metadata:
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name: crossplane-compositions
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namespace: argocd
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labels:
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env: dev
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finalizers:
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- resources-finalizer.argocd.argoproj.io
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spec:
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project: default
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source:
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repoURL: https://gitea.cnoe.localtest.me/giteaAdmin/edfbuilder-shoot
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targetRevision: HEAD
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path: "stacks/crossplane-integrations/crossplane-compositions"
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directory:
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recurse: true
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destination:
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server: "https://kubernetes.default.svc"
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namespace: crossplane-system
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syncPolicy:
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automated: {}
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# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
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# SPDX-License-Identifier: Apache-2.0
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apiVersion: apiextensions.crossplane.io/v1
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kind: CompositeResourceDefinition
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metadata:
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name: xobjectstorages.awsblueprints.io
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spec:
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claimNames:
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kind: ObjectStorage
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plural: objectstorages
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group: awsblueprints.io
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names:
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kind: XObjectStorage
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plural: xobjectstorages
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connectionSecretKeys:
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- region
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- bucket-name
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- s3-put-policy
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versions:
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- name: v1alpha1
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served: true
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referenceable: true
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schema:
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openAPIV3Schema:
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properties:
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spec:
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description: ObjectStorageSpec defines the desired state of ObjectStorage
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properties:
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resourceConfig:
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description: ResourceConfig defines general properties of this AWS
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resource.
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properties:
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deletionPolicy:
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description: Defaults to Delete
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enum:
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- Delete
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- Orphan
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type: string
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name:
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description: Set the name of this resource in AWS to the value
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provided by this field.
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type: string
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providerConfigName:
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type: string
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region:
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type: string
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tags:
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items:
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properties:
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key:
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type: string
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value:
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type: string
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required:
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- key
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- value
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type: object
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type: array
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required:
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- providerConfigName
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- region
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- tags
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type: object
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required:
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- resourceConfig
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type: object
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status:
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description: ObjectStorageStatus defines the observed state of ObjectStorage
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properties:
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bucketName:
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type: string
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bucketArn:
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type: string
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type: object
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type: object
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apiVersion: apiextensions.crossplane.io/v1
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kind: Composition
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metadata:
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name: s3bucket.awsblueprints.io
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labels:
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awsblueprints.io/provider: aws
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awsblueprints.io/environment: dev
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s3.awsblueprints.io/configuration: standard
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spec:
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writeConnectionSecretsToNamespace: crossplane-system
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compositeTypeRef:
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apiVersion: awsblueprints.io/v1alpha1
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kind: XObjectStorage
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patchSets:
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- name: common-fields
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patches:
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- type: FromCompositeFieldPath
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fromFieldPath: spec.resourceConfig.providerConfigName
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toFieldPath: spec.providerConfigRef.name
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- type: FromCompositeFieldPath
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fromFieldPath: spec.resourceConfig.deletionPolicy
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toFieldPath: spec.deletionPolicy
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- type: FromCompositeFieldPath
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fromFieldPath: spec.resourceConfig.region
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toFieldPath: spec.forProvider.region
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- type: FromCompositeFieldPath
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fromFieldPath: spec.resourceConfig.name
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toFieldPath: metadata.annotations[crossplane.io/external-name]
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resources:
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- name: s3-bucket
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connectionDetails:
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- name: bucket-name
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fromConnectionSecretKey: endpoint
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- name: region
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fromConnectionSecretKey: region
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base:
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apiVersion: s3.aws.crossplane.io/v1beta1
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kind: Bucket
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spec:
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deletionPolicy: Delete
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forProvider:
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objectOwnership: BucketOwnerEnforced
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publicAccessBlockConfiguration:
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blockPublicPolicy: true
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restrictPublicBuckets: true
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serverSideEncryptionConfiguration:
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rules:
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- applyServerSideEncryptionByDefault:
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sseAlgorithm: AES256
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tagging:
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tagSet:
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- key: cnoe
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value: "1"
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patches:
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- type: PatchSet
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patchSetName: common-fields
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- type: FromCompositeFieldPath
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fromFieldPath: spec.resourceConfig.tags
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toFieldPath: spec.forProvider.tagging.tagSet
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policy:
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mergeOptions:
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appendSlice: true
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keepMapValues: true
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- type: FromCompositeFieldPath
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fromFieldPath: spec.resourceConfig.region
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toFieldPath: spec.forProvider.locationConstraint
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- fromFieldPath: spec.writeConnectionSecretToRef.namespace
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toFieldPath: spec.writeConnectionSecretToRef.namespace
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- type: ToCompositeFieldPath
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fromFieldPath: metadata.annotations[crossplane.io/external-name]
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toFieldPath: status.bucketName
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- type: ToCompositeFieldPath
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fromFieldPath: status.atProvider.arn
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toFieldPath: status.bucketArn
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- fromFieldPath: metadata.uid
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toFieldPath: spec.writeConnectionSecretToRef.name
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transforms:
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- type: string
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string:
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fmt: "%s-bucket"
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kind/stacks/crossplane-integrations/crossplane-providers.yaml
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kind/stacks/crossplane-integrations/crossplane-providers.yaml
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apiVersion: argoproj.io/v1alpha1
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kind: Application
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metadata:
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name: crossplane-providers
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namespace: argocd
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labels:
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env: dev
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finalizers:
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- resources-finalizer.argocd.argoproj.io
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spec:
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project: default
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source:
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repoURL: https://gitea.cnoe.localtest.me/giteaAdmin/edfbuilder-shoot
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targetRevision: HEAD
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path: "stacks/crossplane-integrations/crossplane-providers"
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destination:
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server: "https://kubernetes.default.svc"
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namespace: crossplane-system
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syncPolicy:
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automated: {}
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syncOptions:
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- CreateNamespace=true
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apiVersion: pkg.crossplane.io/v1
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kind: Provider
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metadata:
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name: provider-aws
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spec:
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package: xpkg.upbound.io/crossplane-contrib/provider-aws:v0.48.0
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apiVersion: aws.crossplane.io/v1beta1
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kind: ProviderConfig
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metadata:
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name: default
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annotations:
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argocd.argoproj.io/sync-wave: "20"
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argocd.argoproj.io/sync-options: SkipDryRunOnMissingResource=true
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spec:
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credentials:
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source: Secret
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secretRef:
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namespace: crossplane-system
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name: local-secret
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key: creds
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apiVersion: v1
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kind: Secret
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metadata:
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name: local-secret
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namespace: crossplane-system
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stringData:
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creds: |
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[default]
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aws_access_key_id = replaceme
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aws_secret_access_key = replaceme
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aws_session_token = replacemeifneeded
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26
kind/stacks/crossplane-integrations/crossplane.yaml
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kind/stacks/crossplane-integrations/crossplane.yaml
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apiVersion: argoproj.io/v1alpha1
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kind: Application
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metadata:
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name: crossplane
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namespace: argocd
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labels:
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env: dev
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finalizers:
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- resources-finalizer.argocd.argoproj.io
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spec:
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project: default
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source:
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repoURL: 'https://charts.crossplane.io/stable'
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targetRevision: 1.15.0
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helm:
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releaseName: crossplane
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chart: crossplane
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destination:
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server: 'https://kubernetes.default.svc'
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namespace: crossplane-system
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syncPolicy:
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automated:
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prune: true
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selfHeal: true
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syncOptions:
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- CreateNamespace=true
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