You want a template expander before you get to kubectl. Otherwise, the thing that is running isn't reflected by any versionable artifact.
Because templating is a high-opinion space, we do not (currently) have one that is built-in. On Dec 7, 2017 10:12 AM, "Henry Hottelet" <hotte...@gmail.com> wrote: > > Is there not a way to pass arguments from command line to the Pod > specification? There should be, because this is not the first time that a > Docker argument is needed when calling a Pod instance, whether dynamic or > staticly defined. > > I could have Pod1.yaml, Pod2.yaml, and have an Ipaddress, and Port number > for reach separate Pod that is defined. > > > > On Thursday, December 7, 2017 at 11:03:28 AM UTC-5, Tim Hockin wrote: >> >> Kubectl is not a templating system, which is what you are asking for. >> Create/Apply are declarative plumbing, suitable to things you would check >> in to source control. There are porcelain commands, eg. kubectl run, which >> are closer to docker run, but less suitable to source control. >> >> On Dec 7, 2017 9:56 AM, "Henry Hottelet" <hott...@gmail.com> wrote: >> >>> >>> A problem: >>> >>> Docker arguments will pass from command line: >>> >>> docker run -it -p 8080:8080 joethecoder2/spring-boot-web >>> -Dcassandra_ip=127.0.0.1 -Dcassandra_port=9042 >>> >>> However, when I do: >>> >>> kubectl create -f ./singlePod.yaml >>> >>> Kubernetes POD arguments will not pass from singlePod.yaml file: >>> >>> apiVersion: v1 >>> kind: Pod >>> metadata: >>> name: spring-boot-web-demo >>> labels: >>> purpose: demonstrate-spring-boot-web >>> spec: >>> containers: >>> - name: spring-boot-web >>> image: docker.io/joethecoder2/spring-boot-web >>> env: ["name": "-Dcassandra_ip", "value": "127.0.0.1"] >>> command: ["java","-jar", "spring-boot-web-0.0.1-SNAPSHOT.jar", >>> "-D","cassandra_ip=127.0.0.1", "-D","cassandra_port=9042"] >>> args: ["-Dcassandra_ip=127.0.0.1", "-Dcassandra_port=9042"] >>> restartPolicy: OnFailure >>> >>> Question: How do I correctly specify arguments that will change at >>> runtime? I want to add two arguments that change at Kubernetes POD >>> runtime, because these should be configurable for each POD that is defined. >>> Arguments for the POD are: -Dcassandra_ip=127.0.0.1", >>> "-Dcassandra_port=9042 >>> >>> I want the arguments to be accepted just like the Docker command line. >>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Kubernetes user discussion and Q&A" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to kubernetes-use...@googlegroups.com. >>> To post to this group, send email to kubernet...@googlegroups.com. >>> Visit this group at https://groups.google.com/group/kubernetes-users. >>> For more options, visit https://groups.google.com/d/optout. >>> >> -- > You received this message because you are subscribed to the Google Groups > "Kubernetes user discussion and Q&A" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to kubernetes-users+unsubscr...@googlegroups.com. > To post to this group, send email to kubernetes-users@googlegroups.com. > Visit this group at https://groups.google.com/group/kubernetes-users. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Kubernetes user discussion and Q&A" group. To unsubscribe from this group and stop receiving emails from it, send an email to kubernetes-users+unsubscr...@googlegroups.com. To post to this group, send email to kubernetes-users@googlegroups.com. Visit this group at https://groups.google.com/group/kubernetes-users. For more options, visit https://groups.google.com/d/optout.
