Add platform selection (#866)

internal/config/application.go

@@ -46,6 +46,7 @@ type Application struct {
 	Registry           registry           `yaml:"registry" json:"registry" mapstructure:"registry"`
 	Exclusions         []string           `yaml:"exclude" json:"exclude" mapstructure:"exclude"`
 	Attest             attest             `yaml:"attest" json:"attest" mapstructure:"attest"`
+	Platform           string             `yaml:"platform" json:"platform" mapstructure:"platform"`
 }
 
 // PowerUserCatalogerEnabledDefault switches all catalogers to be enabled when running power-user command

internal/formats/syftjson/test-fixtures/snapshot/TestEncodeFullJSONDocument.golden

@@ -163,7 +163,9 @@
    ],
    "manifest": "ZXlKelkyaGxiV0ZXWlhKemFXOXVJam95TENKdFpXUnBZVlI1Y0dVaU9pSmguLi4=",
    "config": "ZXlKaGNtTm9hWFJsWTNSMWNtVWlPaUpoYldRMk5DSXNJbU52Ym1acC4uLg==",
-   "repoDigests": []
+   "repoDigests": [],
+   "architecture": "",
+   "os": ""
   }
  },
  "distro": {

internal/formats/syftjson/test-fixtures/snapshot/TestImageEncoder.golden

@@ -1,7 +1,7 @@
 {
  "artifacts": [
   {
-   "id": "3a6c7061f86ac3f7",
+   "id": "d9527e708c11f8b9",
    "name": "package-1",
    "version": "1.0.1",
    "type": "python",
@@ -9,7 +9,7 @@
    "locations": [
     {
      "path": "/somefile-1.txt",
-     "layerID": "sha256:135c16aca35f76c25a18cb6650c621a46b8b79864ad6f2834167de2679bb587d"
+     "layerID": "sha256:fb6beecb75b39f4bb813dbf177e501edd5ddb3e69bb45cedeb78c676ee1b7a59"
     }
    ],
    "licenses": [
@@ -32,7 +32,7 @@
    }
   },
   {
-   "id": "4e916af2d387ce9",
+   "id": "73f796c846875b9e",
    "name": "package-2",
    "version": "2.0.1",
    "type": "deb",
@@ -40,7 +40,7 @@
    "locations": [
     {
      "path": "/somefile-2.txt",
-     "layerID": "sha256:c751a2f31455b3049bcab3e3af5861c9431116c9f4a46213e44dbeff8ab36985"
+     "layerID": "sha256:319b588ce64253a87b533c8ed01cf0025e0eac98e7b516e12532957e1244fdec"
     }
    ],
    "licenses": [],
@@ -67,7 +67,7 @@
   "type": "image",
   "target": {
    "userInput": "user-image-input",
-   "imageID": "sha256:9998e833a66442934ad948e5cbe898630773c369ef16517623254fa46edd171b",
+   "imageID": "sha256:2480160b55bec40c44d3b145c7b2c1c47160db8575c3dcae086d76b9370ae7ca",
    "manifestDigest": "sha256:2731251dc34951c0e50fcc643b4c5f74922dad1a5d98f302b504cf46cd5d9368",
    "mediaType": "application/vnd.docker.distribution.manifest.v2+json",
    "tags": [
@@ -77,18 +77,20 @@
    "layers": [
     {
      "mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
-     "digest": "sha256:135c16aca35f76c25a18cb6650c621a46b8b79864ad6f2834167de2679bb587d",
+     "digest": "sha256:fb6beecb75b39f4bb813dbf177e501edd5ddb3e69bb45cedeb78c676ee1b7a59",
      "size": 22
     },
     {
      "mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
-     "digest": "sha256:c751a2f31455b3049bcab3e3af5861c9431116c9f4a46213e44dbeff8ab36985",
+     "digest": "sha256:319b588ce64253a87b533c8ed01cf0025e0eac98e7b516e12532957e1244fdec",
      "size": 16
     }
    ],
-   "manifest": "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",
-   "config": "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",
-   "repoDigests": []
+   "manifest": "eyJzY2hlbWFWZXJzaW9uIjoyLCJtZWRpYVR5cGUiOiJhcHBsaWNhdGlvbi92bmQuZG9ja2VyLmRpc3RyaWJ1dGlvbi5tYW5pZmVzdC52Mitqc29uIiwiY29uZmlnIjp7Im1lZGlhVHlwZSI6ImFwcGxpY2F0aW9uL3ZuZC5kb2NrZXIuY29udGFpbmVyLmltYWdlLnYxK2pzb24iLCJzaXplIjo2NjcsImRpZ2VzdCI6InNoYTI1NjoyNDgwMTYwYjU1YmVjNDBjNDRkM2IxNDVjN2IyYzFjNDcxNjBkYjg1NzVjM2RjYWUwODZkNzZiOTM3MGFlN2NhIn0sImxheWVycyI6W3sibWVkaWFUeXBlIjoiYXBwbGljYXRpb24vdm5kLmRvY2tlci5pbWFnZS5yb290ZnMuZGlmZi50YXIuZ3ppcCIsInNpemUiOjIwNDgsImRpZ2VzdCI6InNoYTI1NjpmYjZiZWVjYjc1YjM5ZjRiYjgxM2RiZjE3N2U1MDFlZGQ1ZGRiM2U2OWJiNDVjZWRlYjc4YzY3NmVlMWI3YTU5In0seyJtZWRpYVR5cGUiOiJhcHBsaWNhdGlvbi92bmQuZG9ja2VyLmltYWdlLnJvb3Rmcy5kaWZmLnRhci5nemlwIiwic2l6ZSI6MjA0OCwiZGlnZXN0Ijoic2hhMjU2OjMxOWI1ODhjZTY0MjUzYTg3YjUzM2M4ZWQwMWNmMDAyNWUwZWFjOThlN2I1MTZlMTI1MzI5NTdlMTI0NGZkZWMifV19",
+   "config": "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",
+   "repoDigests": [],
+   "architecture": "",
+   "os": ""
   }
  },
  "distro": {