HNews is a Kubernetes Custom Resource you can use to query HNews articles that you want using filters.
Example:
apiVersion: apps.vadasambar.com/v1
kind: HNews
metadata:
name: hnews-sample
spec:
filter:
score: ">300"
limit: 6
descendents: ">10"Result:
$ kubectl get hnews
NAME TYPE SCORE LIMIT DESCENDENTS LASTSYNCEDAT
hnews-sample story >300 6 >10 2022-05-26T04:28:09Z
apiVersion: apps.vadasambar.com/v1
kind: HNews
metadata:
...
name: hnews-sample
namespace: default
...
spec:
filter:
descendents: '>10'
limit: 6
score: '>300'
type: story
status:
lastSyncedAt: "2022-05-26T04:29:03Z"
link:
- article_url: https://www.ftc.gov/business-guidance/blog/2022/05/twitter-pay-150-million-penalty-allegedly-breaking-its-privacy-promises-again
descendents: 247
hnews_url: https://news.ycombinator.com/item?id=31510865
score: 904
- article_url: ""
descendents: 1640
hnews_url: https://news.ycombinator.com/item?id=31503201
score: 742
- article_url: ""
descendents: 144
hnews_url: https://news.ycombinator.com/item?id=31508009
score: 456
- article_url: https://uxdesign.cc/the-forgotten-benefits-of-low-tech-user-interfaces-57fdbb6ac83
descendents: 385
hnews_url: https://news.ycombinator.com/item?id=31502193
score: 365
- article_url: https://github.com/SymbianSource
descendents: 186
hnews_url: https://news.ycombinator.com/item?id=31491744
score: 428
- article_url: https://www.theglobeandmail.com/canada/article-the-great-junk-transfer-inheritance-decluttering-canada/
descendents: 419
hnews_url: https://news.ycombinator.com/item?id=31499766
score: 443$ kubectl explain hnews.spec.filter
KIND: HNews
VERSION: apps.vadasambar.com/v1
RESOURCE: filter <Object>
DESCRIPTION:
Filter allows you to filter and get the Hacker News articles you want
FIELDS:
descendents <string> -required-
Number of direct (first level) comments in the article. Specify it like: descendents:
">=10", descendents: "<10", descendents: "=10", descendents: "!=10"
limit <integer> -required-
Number of Hacker News articles you want.
score <string> -required-
Score of Hacker News articles you are looking for. Specify it like: score:
">=10", score: "<10", score: "=10", score: "!=10"
type <string>
Type of Hacker News articles you are looking for. Has to be either of:
job,story,comment,poll,pollopt- Install the CRDs first:
make install
- And then run the controller
make run
That's all. Make sure your kube context is pointing to the correct cluster. 3. To uninstall, just do
make uninstall
# Ctrl+c on make run to stop the controller
- To run tests,
make test
If you want to deploy it on your local k3d cluster:
- Push the image to local registry (docs)
docker ps
...
17bf269d0f1e rancher/k3s:v1.20.6-k3s1 "/bin/k3s server --k…" 17 minutes ago Up 16 minutes k3d-hnews2-server-0
d2b3349f12c0 registry:2 "/entrypoint.sh /etc…" 17 minutes ago Up 15 minutes 0.0.0.0:38181->5000/tcp k3d-hnews2-registry
Note the registry port-forward 0.0.0.0:38181
- Push to local k3d registry
make docker-build IMG=localhost:38181/hnews-controller:latest
...
make docker-push IMG=localhost:38181/hnews-controller:latest
...
- Use the image
make deploy IMG=hnews-controller:latest
Note that you don't need to use localhost:38181 in the above command.
- Build the image
make docker-build IMG=<remote-docker-registry>/hnews-controller:latest
- Push the image
make docker-push IMG=<remote-docker-registry>/hnews-controller:latest # IMG should be same as the one used in `make docker-build`
- Deploy the manifests
make deploy IMG=<remote-docker-registry>/hnews-controller:latest # IMG should be the same as one used in `make docker-build` amd `make docker-push`