纳管并验收 Nexus OCI 仓库

apps/nexus/terraform/oci/oci-hosted.json

@@ -0,0 +1,17 @@
+{
+  "name": "oci-hosted",
+  "online": true,
+  "storage": {
+    "blobStoreName": "default",
+    "strictContentTypeValidation": true,
+    "writePolicy": "ALLOW",
+    "latestPolicy": false
+  },
+  "oci": {
+    "v1Enabled": false,
+    "forceBasicAuth": false,
+    "pathEnabled": true
+  },
+  "component": { "proprietaryComponents": false },
+  "cosign": { "enforcement": "NONE" }
+}

apps/nexus/terraform/oci/oci-proxy.json

@@ -0,0 +1,27 @@
+{
+  "name": "oci-proxy",
+  "online": true,
+  "storage": {
+    "blobStoreName": "default",
+    "strictContentTypeValidation": true
+  },
+  "oci": {
+    "v1Enabled": false,
+    "forceBasicAuth": false,
+    "pathEnabled": true
+  },
+  "ociProxy": {
+    "indexType": "HUB",
+    "cacheForeignLayers": false,
+    "foreignLayerUrlWhitelist": []
+  },
+  "proxy": {
+    "remoteUrl": "https://registry-1.docker.io",
+    "contentMaxAge": 1440,
+    "metadataMaxAge": 60,
+    "preserveEncodedCharacters": false
+  },
+  "negativeCache": { "enabled": true, "timeToLive": 60 },
+  "httpClient": { "blocked": false, "autoBlock": true },
+  "cosign": { "enforcement": "NONE" }
+}

apps/nexus/terraform/oci/oci-public.json

@@ -0,0 +1,15 @@
+{
+  "name": "oci-public",
+  "online": true,
+  "storage": {
+    "blobStoreName": "default",
+    "strictContentTypeValidation": true
+  },
+  "group": { "memberNames": ["oci-proxy"] },
+  "oci": {
+    "v1Enabled": false,
+    "forceBasicAuth": false,
+    "pathEnabled": true
+  },
+  "cosign": { "enforcement": "NONE" }
+}

apps/nexus/terraform/reconcile-oci.sh

@@ -0,0 +1,80 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+mode="${1:---check}"
+case "$mode" in
+  --check | --apply) ;;
+  *) echo "usage: $0 [--check|--apply]" >&2; exit 2 ;;
+esac
+
+: "${TF_VAR_nexus_url:?set TF_VAR_nexus_url}"
+: "${TF_VAR_nexus_username:?set TF_VAR_nexus_username}"
+: "${TF_VAR_nexus_password:?set TF_VAR_nexus_password}"
+
+script_dir="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
+auth_file="$(mktemp /tmp/nexus-oci-auth.XXXXXX)"
+trap 'rm -f -- "$auth_file"' EXIT
+chmod 0600 "$auth_file"
+printf 'machine %s\nlogin %s\npassword %s\n' \
+  "${TF_VAR_nexus_url#*://}" "$TF_VAR_nexus_username" \
+  "$TF_VAR_nexus_password" >"$auth_file"
+
+drift=0
+for entry in \
+  "hosted:$script_dir/oci/oci-hosted.json" \
+  "proxy:$script_dir/oci/oci-proxy.json" \
+  "group:$script_dir/oci/oci-public.json"; do
+  repository_type="${entry%%:*}"
+  desired_file="${entry#*:}"
+  repository_name="$(jq -er '.name' "$desired_file")"
+  endpoint="$TF_VAR_nexus_url/service/rest/v1/repositories/oci/$repository_type"
+  current_file="$(mktemp /tmp/nexus-oci-current.XXXXXX)"
+
+  status="$(curl --silent --show-error --netrc-file "$auth_file" \
+    --output "$current_file" --write-out '%{http_code}' \
+    "$endpoint/$repository_name")"
+
+  if [[ "$status" == 404 ]]; then
+    drift=1
+    if [[ "$mode" == --apply ]]; then
+      curl --fail --silent --show-error --netrc-file "$auth_file" \
+        --header 'Content-Type: application/json' \
+        --data-binary "@$desired_file" "$endpoint"
+      echo "created $repository_name"
+    else
+      echo "missing $repository_name" >&2
+    fi
+  elif [[ "$status" == 200 ]]; then
+    if jq -e --slurpfile desired "$desired_file" '
+      def subset($actual; $wanted):
+        if ($wanted | type) == "object" then
+          all($wanted | keys[];
+            ($actual[.] != null) and subset($actual[.]; $wanted[.]))
+        else
+          $actual == $wanted
+        end;
+      subset(.; $desired[0])
+    ' "$current_file" >/dev/null; then
+      echo "in sync $repository_name"
+    else
+      drift=1
+      if [[ "$mode" == --apply ]]; then
+        curl --fail --silent --show-error --netrc-file "$auth_file" \
+          --request PUT --header 'Content-Type: application/json' \
+          --data-binary "@$desired_file" "$endpoint/$repository_name"
+        echo "updated $repository_name"
+      else
+        echo "drifted $repository_name" >&2
+      fi
+    fi
+  else
+    cat "$current_file" >&2
+    echo "unexpected HTTP $status for $repository_name" >&2
+    exit 1
+  fi
+  rm -f -- "$current_file"
+done
+
+if [[ "$mode" == --check && "$drift" -ne 0 ]]; then
+  exit 1
+fi

apps/nexus/terraform/security.tf

@@ -22,6 +22,22 @@ resource "sonatyperepo_privilege_repository_view" "anonymous_go" {
   repository  = sonatyperepo_repository_go_group.public.name
 }
 
+resource "sonatyperepo_privilege_repository_view" "anonymous_oci_public" {
+  name        = "ci-anonymous-oci-public-read"
+  description = "Anonymous read access to the public OCI group"
+  actions     = ["BROWSE", "READ"]
+  format      = "oci"
+  repository  = "oci-public"
+}
+
+resource "sonatyperepo_privilege_repository_view" "anonymous_oci_proxy" {
+  name        = "ci-anonymous-oci-proxy-read"
+  description = "Anonymous read access to the OCI proxy member"
+  actions     = ["BROWSE", "READ"]
+  format      = "oci"
+  repository  = "oci-proxy"
+}
+
 resource "sonatyperepo_role" "anonymous_ci" {
   id          = "ci-anonymous-read"
   name        = "CI anonymous read"
@@ -30,6 +46,8 @@ resource "sonatyperepo_role" "anonymous_ci" {
     sonatyperepo_privilege_repository_view.anonymous_ansible.name,
     sonatyperepo_privilege_repository_view.anonymous_ansible_proxy.name,
     sonatyperepo_privilege_repository_view.anonymous_go.name,
+    sonatyperepo_privilege_repository_view.anonymous_oci_public.name,
+    sonatyperepo_privilege_repository_view.anonymous_oci_proxy.name,
   ]
   roles = []
 }
@@ -48,3 +66,10 @@ resource "sonatyperepo_system_anonymous_access" "ci" {
   user_id    = sonatyperepo_user.anonymous.user_id
   realm_name = "NexusAuthorizingRealm"
 }
+
+resource "sonatyperepo_security_realms" "active" {
+  active = [
+    "NexusAuthenticatingRealm",
+    "OciBearerToken",
+  ]
+}