docs: specify container image in config

.github/ISSUE_TEMPLATE/new-release.md

@@ -16,7 +16,7 @@ Please do not remove items from the checklist
       `git branch release-0.$MAJ master`
 - [ ] Prepare `release-0.$MAJ` release branch
   - [ ] Run `scripts/prepare-release.sh $VERSION` to turn references to point to the upcoming release
-        (README, deployment templates, docs .md files, docs configuration, test/e2e flags)
+        (README, deployment templates, docs configuration, test/e2e flags)
   - [ ] An OWNER runs
        `git tag -s $VERSION`
         and inserts the changelog into the tag description.

docs/_config.yml

@@ -47,3 +47,6 @@ display_version_list: true
 # Release is used to make external links to point to the correct blobs in the
 # Github repo
 release: master
+
+# Container image which to point to in the documentation
+container_image: gcr.io/k8s-staging-nfd/node-feature-discovery:master

docs/advanced/developer-guide.md

@@ -155,7 +155,7 @@ Kubernetes API is not available. Thus, it is recommended to use `--no-publish`
 command line flag. E.g.
 
 ```bash
-$ export NFD_CONTAINER_IMAGE=gcr.io/k8s-staging-nfd/node-feature-discovery:master
+$ export NFD_CONTAINER_IMAGE={{ site.container_image }}
 $ docker run --rm --name=nfd-test ${NFD_CONTAINER_IMAGE} nfd-master --no-publish
 2019/02/01 14:48:21 Node Feature Discovery Master <NFD_VERSION>
 2019/02/01 14:48:21 gRPC server serving on port: 8080

docs/advanced/master-commandline-reference.md

@@ -19,7 +19,7 @@ To quickly view available command line flags execute `nfd-master --help`.
 In a docker container:
 
 ```bash
-docker run gcr.io/k8s-staging-nfd/node-feature-discovery:master nfd-master --help
+docker run {{ site.container_image }} nfd-master --help
 ```
 
 ### -h, --help

docs/advanced/worker-commandline-reference.md

@@ -19,7 +19,7 @@ To quickly view available command line flags execute `nfd-worker --help`.
 In a docker container:
 
 ```bash
-docker run gcr.io/k8s-staging-nfd/node-feature-discovery:master nfd-worker --help
+docker run {{ site.container_image }} nfd-worker --help
 ```
 
 ### -h, --help

scripts/prepare-release.sh

@@ -57,14 +57,9 @@ fi
 echo Patching docs/_config.yml
 sed -e s"/release:.*/release: $release/"  \
     -e s"/version:.*/version: $docs_version/" \
+    -e s"!container_image:.*!container_image: k8s.gcr.io/nfd/node-feature-discovery:$release!" \
     -i docs/_config.yml
 
-# Patch container image repo
-echo Patching '*.md' files to refer to $container_image
-find . -path ./docs/vendor -prune -o -name '*.md' -print | xargs \
-    sed -i -e s"!gcr.io/k8s-staging-nfd/node-feature-discovery:[[:alnum:]][[:alnum:].-]*!$container_image!" \
-           -e s"!k8s.gcr.io/nfd/node-feature-discovery:[[:alnum:]][[:alnum:].-]*!$container_image!"
-
 # Patch README
 echo Patching README.md to refer to $release
 sed s"!node-feature-discovery/v.*/!node-feature-discovery/$release/!" -i README.md