Automate credential export in genkeys

bin/genkeys

@@ -15,6 +15,8 @@ if [ ! -f $site_path/cloud_iot_config.json ]; then
     false
 fi
 
+registry_id=$(jq -r .registry_id $site_path/cloud_iot_config.json)
+
 metadatas=`find ${site_path%/}/devices -name metadata.json`
 
 for metadata in $metadatas; do
@@ -29,5 +31,18 @@ for metadata in $metadatas; do
         else
             $ROOT_DIR/bin/keygen $auth_type $filepath
         fi
+
+        password=""
+        if [ -f $filepath/rsa_private.pkcs8 ]; then
+            password=$(sha256sum $filepath/rsa_private.pkcs8 | cut -c1-8)
+        elif [ -f $filepath/ec_private.pkcs8 ]; then
+            password=$(sha256sum $filepath/ec_private.pkcs8 | cut -c1-8)
+        fi
+
+        if [ -n "$password" ]; then
+            device_id=$(basename $filepath)
+            username="/r/$registry_id/d/$device_id"
+            echo "{\"username\": \"$username\", \"password\": \"$password\"}" | jq . > $filepath/credentials.json
+        fi
     fi
 done

bin/test_sites

@@ -35,6 +35,7 @@ function redact_files {
         sed -E -i \
             -e 's-oading .*udmi/tests/-REDACTED/-' \
             -e 's-^    .*udmi/tests/-    REDACTED/-' \
+            -e 's-^      File not found: /app/tests/-    REDACTED/-' \
             $file
     done
 }

validator/src/main/java/com/google/daq/mqtt/registrar/LocalDevice.java

@@ -167,7 +167,8 @@ class LocalDevice implements SiteDevice {
           ADJUNCT_DIR,
           EXPECTED_DIR,
           CONFIG_DIR,
-          OUT_DIR);
+          OUT_DIR,
+          "credentials.json");
   private static final Set<String> OUT_FILES = ImmutableSet.of(
       GENERATED_CONFIG_JSON, DEVICE_ERRORS_MAP, NORMALIZED_JSON, EXCEPTION_LOG_FILE);
   private static final Set<String> ALL_KEY_FILES =