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Posted to commits@camel.apache.org by "anhpngt (via GitHub)" <gi...@apache.org> on 2023/07/10 15:08:31 UTC
[GitHub] [camel-k] anhpngt opened a new issue, #4556: `kamel run` in output mode still requires connecting to a k8s cluster
anhpngt opened a new issue, #4556:
URL: https://github.com/apache/camel-k/issues/4556
While #3723 removes the need for an Camel K operator, `kamel run` in output mode (with `--output` option) still requires an actual Kubernetes cluster.
Steps to reproduce:
1. Have any integration:
```sh
$ cat <<EOF >> helloworld.groovy
from(timer:tick?period=3000)
.setBody().constant(Hello world from Camel K)
.to(log:info)
EOF
```
2. Do not connect to any k8s cluster
```sh
$ kubectl get ns
...
E0710 21:54:08.181180 78667 memcache.go:265] couldn't get current server API group list: Get "http://localhost:8080/api?timeout=32s": dial tcp 127.0.0.1:8080: connect: connection refused
The connection to the server localhost:8080 was refused - did you specify the right host or port?
```
3. Use `kamel run` in output mode
```sh
$ kamel run -o yaml helloworld.groovy
Error: invalid configuration: no configuration has been provided, try setting KUBERNETES_MASTER environment variable
```
This is probably due to the instantiation of the k8s client even in output mode, such as here https://github.com/apache/camel-k/blob/da3ed49733b77a09671802343141611f759b4065/pkg/cmd/run.go#L295.
I think it would be better if this output mode does not require any k8s cluster connection.
Then, it'd be possible to generate resources in YAML `kubectl apply` in CI/CD.
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[GitHub] [camel-k] claudio4j commented on issue #4556: `kamel run` in output mode still requires connecting to a k8s cluster
Posted by "claudio4j (via GitHub)" <gi...@apache.org>.
claudio4j commented on issue #4556:
URL: https://github.com/apache/camel-k/issues/4556#issuecomment-1631603622
There is a `~/.kube/config` in my system, once I rename it your reproducer works, which is I can't expose the integration with `-oyaml`.
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[GitHub] [camel-k] anhpngt commented on issue #4556: `kamel run` in output mode still requires connecting to a k8s cluster
Posted by "anhpngt (via GitHub)" <gi...@apache.org>.
anhpngt commented on issue #4556:
URL: https://github.com/apache/camel-k/issues/4556#issuecomment-1630051968
That seems weird? :thinking: here is the version I'm having
```sh
$ kamel version
Camel K Client 1.12.0
$ echo $KUBECONFIG
$ kamel run helloworld.groovy -oyaml
Error: invalid configuration: no configuration has been provided, try setting KUBERNETES_MASTER environment variable
```
I also tried with `go run cmd/kamel/main.go run helloworld.groovy --output yaml` and had similar error
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[GitHub] [camel-k] anhpngt commented on issue #4556: `kamel run` in output mode still requires connecting to a k8s cluster
Posted by "anhpngt (via GitHub)" <gi...@apache.org>.
anhpngt commented on issue #4556:
URL: https://github.com/apache/camel-k/issues/4556#issuecomment-1632228174
ah that explains it, I think I should've used `--kube-config` in my reproducer to make it less confusing :+1: thank you for the confirmation
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[GitHub] [camel-k] squakez closed issue #4556: `kamel run` in output mode still requires connecting to a k8s cluster
Posted by "squakez (via GitHub)" <gi...@apache.org>.
squakez closed issue #4556: `kamel run` in output mode still requires connecting to a k8s cluster
URL: https://github.com/apache/camel-k/issues/4556
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[GitHub] [camel-k] claudio4j commented on issue #4556: `kamel run` in output mode still requires connecting to a k8s cluster
Posted by "claudio4j (via GitHub)" <gi...@apache.org>.
claudio4j commented on issue #4556:
URL: https://github.com/apache/camel-k/issues/4556#issuecomment-1629701170
I used kamel 1.12 and I am not connected to the cluster, but the `kamel run integratio.java -oyaml`, just works.
What version are you using ?
Do you have a KUBECONFIG environment variable defined ?
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