Creating Locations with Grid on Splinter
This procedure explains how to create and manage Grid locations using Grid’s command-line interface.
This procedure starts with steps to connect to a Splinter node and set
environment variables to simplify entering the
grid commands in the procedure.
Next, it explains how to define a location with a location YAML file, create the
grid location create, and display location information with
grid location list.
Finally, this procedure shows how to update a location with
update, then delete it with
grid location delete when it is no longer
Two (or more) nodes running Grid on Splinter.
An approved Splinter circuit that has two (or more) member nodes.
A fully qualified service ID for the scabbard service on this circuit, in the format
CircuitID::ServiceString. This procedure uses the example ID
splinter circuit listto display the circuit ID, then run
splinter circuit show CIRCUIT_IDto see the four-character service string (also called the “partially qualified service ID”). In the example Docker environment, you must run this command in the node’s
The Grid daemon’s endpoint (URL and port) on one or both nodes. The example environment uses
The ID of an existing Pike organization that will own the locations. You must be defined as an agent with full location permissions for this organization. That is, one agent must be identified with your public key and must have permission to create, update, and delete locations.
Tip: You can use
curlto request organization and agent information from the Grid REST API, as in these examples:
$ curl https://localhost:8080/organization?service_id=01234-ABCDE::gsAA
$ curl http://localhost:8080/agent?service_id=01234-ABCDE::gsAA
Existing public/private key files in
$HOME/.grid/keys/(as generated by
grid keygen). The example environment uses the key files
$HOME/.grid/keys/alpha-agent.pubto indicate that you will be acting as your organization’s agent to add locations from the alpha node.
An existing schema for the new location. The schema name must be
gs1_location, which tells Grid that the location schema will use the GS1 namespace. For the commands to create a location schema, see creating schemas. A GS1-compliant schema is provided below:
- name: gs1_location description: GS1 location schema owner: myorg properties: - name: locationDescription data_type: String description: "" required: true - name: locationType data_type: Enum description: "" enum_options: [ ShipTo, BillTo, ShipFrom, PaidBy, OrderFrom, Recall, OrgEntity, RemitTo ] required: true - name: addressLine1 data_type: String description: "" required: true - name: addressLine2 data_type: String description: "" required: false - name: city data_type: String description: "" required: true - name: stateOrRegion data_type: String description: "" required: true - name: postalCode data_type: String description: "" required: true - name: country data_type: String description: "" required: true - name: latLongValue data_type: lat_long description: "" required: true - name: contactName data_type: String description: "" required: true - name: contactEmail data_type: String description: "" required: true - name: contactPhone data_type: String description: "" required: true - name: createDate data_type: Number number_exponent: 0 description: "" required: true - name: inactivationDate data_type: Number number_exponent: 0 description: "" required: false - name: parentLocation data_type: String description: "" required: false - name: industrySector data_type: Enum description: "" enum_options: [General, CPG, Healthcare, Foodservice] required: false - name: role data_type: Enum description: "" enum_options: [ Manufacturer, SolutionsProvider, Undefined, Distributor, Provider, Supplier, 3rdParty, Warhouse, IndependentOperator, Operator] required: false - name: informationProviderGLN data_type: Number number_exponent: 0 description: "" required: false
IMPORTANT: The commands in this procedure show host names, IDs, Docker
container names, and other values from the example Grid-on-Splinter environment
that is defined by
This file sets up the nodes
beta-node-000 and runs the
Grid and Splinter components in separate containers; these names appear in
example prompts and commands. (See Running Hyperledger Grid on
Splinter for more information.)
If you are not using this example environment, replace these items with the actual values for your environment when entering each command.
Connect to a Grid Node
Connect to the first node’s
griddcontainer and start a bash session.
For the example environment, use this command to connect to the
gridd-alphacontainer and run Grid commands on
$ docker exec -it gridd-alpha bash root@gridd-alpha:/#
Set Up Your Environment
Set the following Grid environment variables to specify information for the
grid commands in this procedure.
GRID_DAEMON_KEYto the base name of your public/private key files (the example environment uses
alpha-agent). This environment variable replaces the
-koption on the
root@gridd-alpha:/# export GRID_DAEMON_KEY="alpha-agent"
Note: Although this variable has “daemon” in the name, it should reference the user key files in
$HOME/.grid/keys, not the Grid daemon’s key files in
GRID_DAEMON_ENDPOINTto the Grid daemon’s endpoint (URL and port), such as
http://localhost:8080. This environment variable replaces the
-urloption on the
root@gridd-alpha:/# export GRID_DAEMON_ENDPOINT="http://localhost:8080"
GRID_SERVICE_IDto the fully qualified service ID (such as
01234-ABCDE::gsAA) for the scabbard service on the circuit. This environment variable replaces the
--service_idoption on the
root@gridd-alpha:/# export GRID_SERVICE_ID="01234-ABCDE::gsAA"
Tip: See Prerequisites for the
splintercommands that display the circuit ID and four-character service ID string.
Define and Create a Location
Each location requires an organization ID (the owner) and at least one agent with permission to create, update, and delete the location. There must also be an existing location schema for the location’s properties. See Prerequisites for more information.
Create a location definition file, in YAML format, that specifies the following information:
- location namespace (GS1 for this example) that corresponds with the
location schema name (
gs1_locationfor this example).
- Location ID (such as a GLN)
- Owner (organization ID)
- Set of location attributes (each with a name and value that conforms to
the data type)
- namespace: "GS1" location_id: "0013600000011" owner: "myorg" properties: locationDescription: "test location" locationType: 0 addressLine1: "251 Test St." city: "Minneapolis" stateOrRegion: "MN" postalCode: "55401" country: "United States" latLongValue: "449778,-932650" contactName: "John Tester" contactEmail: "firstname.lastname@example.org" contactPhone: "6555555555" createDate: 1602706399
Tip: Use a YAML linter to validate the new file is formatted correctly.
- location namespace (GS1 for this example) that corresponds with the location schema name (
docker cpto copy the file into the
$ docker cp location.yaml gridd-alpha:/
Add the new location by using the
grid location createcommand to specify the definition in the
root@gridd-alpha:/# grid location create --file location.yaml
This command creates and submits a transaction to add the location data to the distributed ledger. If the transaction is successful, all other nodes in the circuit can view the location data.
Note: This command does not display any output. Instead, check the log messages on the console (or the terminal window where you started the Grid Docker environment) for the success or failure of this operation.
Display Location Information
List all existing locations to verify that the new location has been added.
root@gridd-alpha:/# grid location list ID NAMESPACE OWNER 0013600000011 GS1 myorg
(Optional) You can connect to a different node and repeat the last two commands to verify that the location has been shared with all nodes on the circuit.
a. Open a new terminal and connect to the other node’s
griddcontainer (such as
$ docker exec -it gridd-beta bash
b. Set the
GRID_SERVICE_IDenvironment variable to the full service ID for this node (such as
root@gridd-beta:/# export GRID_SERVICE_ID="01234-ABCDE::xyBB"
c. Display all locations. The output should be the same as on the first node.
root@gridd-alpha:/# grid location list ID NAMESPACE OWNER 0013600000011 GS1 myorg
Update a Location
To update a location, you must be an agent for the location owner (the organization that is identified in the location definition).
Modify the definition in the location YAML file (such as
You don’t have to use the same file that was used to create the location, but the file must specify the same information (location ID and owner) and present the location properties in the same order.
grid locationto submit the changes to the distributed ledger.
root@gridd-alpha:/# grid location update --file location.yaml
Delete a Location
IMPORTANT: Deleting a location is a potentially hazardous operation that must be done with care. Before you delete a location, make sure that no member organizations on the circuit require the location data.
To delete a location, use the
delete subcommand with the location ID and
GS1) (for example, ID
root@gridd-alpha:/# grid location delete 0013600000011
grid location list to display the location ID and namespace.