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* Update k8s builder to v0.7.1 Signed-off-by: Josh Kneubuhl <jkneubuh@us.ibm.com> * Add LOCAL_REGISTRY_INTERFACE option to bind the insecure docker registry to alternate NICs Signed-off-by: Josh Kneubuhl <jkneubuh@us.ibm.com> * Switch from *.vcap.me -> *.localho.st for the default loopback domain name Signed-off-by: Josh Kneubuhl <jkneubuh@us.ibm.com>
106 lines
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3.5 KiB
Markdown
106 lines
No EOL
3.5 KiB
Markdown
# Working with Applications
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## TL/DR:
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```shell
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$ ./network rest-easy
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Launching fabric-rest-sample application:
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✅ - Ensuring fabric-rest-sample image ...
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✅ - Constructing fabric-rest-sample connection profiles ...
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✅ - Starting fabric-rest-sample ...
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The fabric-rest-sample has started. See https://github.com/hyperledger/fabric-samples/tree/main/asset-transfer-basic/rest-api-typescript for additional usage.
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To access the endpoint:
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export SAMPLE_APIKEY=97834158-3224-4CE7-95F9-A148C886653E
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curl -s --header "X-Api-Key: ${SAMPLE_APIKEY}" http://localhost/api/assets
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🏁 - Fabric REST sample is ready.
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```
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```shell
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$ export SAMPLE_APIKEY=97834158-3224-4CE7-95F9-A148C886653E
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$ ./network chaincode invoke asset-transfer-basic '{"Args":["CreateAsset","1","blue","35","tom","1000"]}'
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$ curl -s --header "X-Api-Key: ${SAMPLE_APIKEY}" http://fabric-rest-sample.localho.st/api/assets | jq
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[
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{
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"Key": "1",
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"Record": {
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"ID": "1",
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"color": "blue",
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"size": 35,
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"owner": "tom",
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"appraisedValue": 1000
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}
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}
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]
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$ open https://github.com/hyperledger/fabric-samples/tree/main/asset-transfer-basic/rest-api-typescript
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```
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## Guide for Gateway Client Applications
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TODO: this section is a work-in-progress.
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### EXTERNAL Gateway Client (localhost)
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For certain development scenarios, it is advantageous to run a Gateway Client externally, using a bridge
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or port forward to access services running behind the veil of Kubernetes networking. For instance, during active
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development we can run a Gateway Client under the microscope of an IDE / debugger, on a local system, connected
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to a remote network as if it were running resident within the Kube. As the system is developed (bugs addressed, etc.),
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the application author can transition the updated routines into Docker containers, verify locally, and push
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into the container registry for validation within the Kubernetes network.
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Here is a brief overview of the steps necessary to run EXTERNAL gateway applications:
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1. Open a TCP port forward from the local host to a targeted peer:
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```shell
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kubectl -n test-network port-forward svc/org1-peer1 7051:7051
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```
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2. Add "mock DNS" records to /etc/hosts for TLS host validation:
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```shell
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127.0.0.1 org1-peer1
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```
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3. Configure the gateway client to connect to `org1-peer1:7051`, or the kube TCP port forward.
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4. Launch the gateway client application locally, e.g. in a docker container or attached to an IDE.
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5. Update this guide with feedback, recipes, and stories of successful client development on Kube/KIND.
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### INTERNAL Gateway Client (In Kube)
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#### TODO: Deploy
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```shell
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./network application ACTION
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```
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#### Local Container Registry
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Docker images built locally can be uploaded to the `localhost:5000` container registry for
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immediate access within the Kube/KIND cluster. In addition to providing fast turn-around to/from containers
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running in Kube, the use of a private container registry allows us to quickly iterate on code without uploading
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images to the Internet. Even when using _private_ container registries, the use of a local server saves valuable
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time when loading images into the kind control plane.
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e.g.:
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```shell
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docker build -t localhost:5000/my-gateway-app .
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docker push localhost:5000/my-gateway-app
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```
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Provided that the `imagePullPolicy` for the client deployment is not set to `IfNotPresent`, killing the current pod
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running the gateway client will force a refresh with the latest image layer available at the local registry.
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#### Aggregating MSP and Certificates
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#### Deploying to the Namespace |