chore: install pandoc in codegen (#1824)

.github/workflows/ci.yaml

@@ -48,15 +48,6 @@ jobs:
         run: |
           echo /home/runner/go/bin >> $GITHUB_PATH
           echo /usr/local/bin >> $GITHUB_PATH
-      - name: Install pandoc
-        run: |
-          set -eux -o pipefail
-          PANDOC_VERSION=3.2.1
-          PANDOC_ZIP=pandoc-$PANDOC_VERSION-linux-amd64.tar.gz
-          curl -OL https://github.com/jgm/pandoc/releases/download/$PANDOC_VERSION/$PANDOC_ZIP
-          sudo tar xvzf $PANDOC_ZIP --strip-components 1 -C /usr/local
-          rm -f $PANDOC_ZIP
-          echo /usr/local/pandoc-$PANDOC_VERSION/bin >> $GITHUB_PATH
       - name: Get dependencies
         run: go mod download
       - name: Make codegen

hack/library.sh

@@ -38,28 +38,15 @@ ensure_vendor() {
   go mod vendor
 }	
 
-# TODO: Install it in Makefile
-ensure_pandoc() {
-  if [ "`command -v pandoc`" = "" ]; then
-    warning "Please install pandoc with - brew install pandoc"
-    exit 1
-  fi
-
-  if [ "`pandoc -v | head -1 | awk '{print $2}'`" != "3.2.1" ]; then
-    warning "Please upgrade pandoc to version 3.2.1 with - brew upgrade pandoc"
-    exit 1
-  fi
-}
-
 ensure_node(){
-  if [ "`command -v node`" = "" ]; then
+  if [[ "`command -v node`" = "" ]]; then
       warning "Please install node with - brew install node"
       exit 1
   fi
 }
 
 ensure_yarn(){
-  if [ "`command -v yarn`" = "" ]; then
+  if [[ "`command -v yarn`" = "" ]]; then
       warning "Please install yarn with - brew install yarn"
       exit 1
   fi

hack/update-api-docs.sh

@@ -7,7 +7,6 @@ set -o pipefail
 source $(dirname $0)/library.sh
 header "updating api docs"
 
-ensure_pandoc
 ensure_vendor
 make_fake_paths
 
@@ -24,9 +23,58 @@ go run ${FAKE_REPOPATH}/vendor/github.com/ahmetb/gen-crd-api-reference-docs/main
  -out-file "${FAKE_REPOPATH}/docs/APIs.html" \
  -template-dir "${FAKE_REPOPATH}/hack/api-docs-template"
 
-# Setup - https://pandoc.org/installing.html
+install-pandoc() {
+  # pandoc version
+  PANDOC_VERSION=3.2.1
 
-pandoc --from markdown --to gfm ${FAKE_REPOPATH}/docs/APIs.html > ${FAKE_REPOPATH}/docs/APIs.md
+  if [[ "`command -v pandoc`" != "" ]]; then
+    if [[ "`pandoc -v | head -1 | awk '{print $2}'`" != "${PANDOC_VERSION}" ]]; then
+      warning "Existing pandoc version does not match the requirement (${PANDOC_VERSION}), will download a new one..."
+    else
+      PANDOC_BINARY="`command -v pandoc`"
+      return 
+    fi
+  fi
+
+  PD_REL="https://github.com/jgm/pandoc/releases"
+  OS=$(uname_os)
+  ARCH=$(uname_arch)
+
+  echo "OS: $OS  ARCH: $ARCH"
+
+  BINARY_NAME="pandoc-${PANDOC_VERSION}-${OS}-${ARCH}.zip"
+  if [[ "$OS" = "darwin" ]]; then
+    if [[ "$ARCH" = "arm64" ]]; then
+      BINARY_NAME="pandoc-${PANDOC_VERSION}-arm64-macOS.zip"
+    elif [[ "$ARCH" = "amd64" ]]; then
+      BINARY_NAME="pandoc-${PANDOC_VERSION}-x86_64-macOS.zip"
+    fi
+  elif [[ "$OS" = "linux" ]]; then
+    if [[ "$ARCH" = "arm64" ]]; then
+      BINARY_NAME="pandoc-${PANDOC_VERSION}-linux-arm64.tar.gz"
+    elif [[ "$ARCH" = "amd64" ]]; then
+      BINARY_NAME="pandoc-${PANDOC_VERSION}-linux-amd64.tar.gz"
+    fi
+  fi
+  BINARY_URL=$PD_REL/download/${PANDOC_VERSION}/${BINARY_NAME}
+  echo "Downloading $BINARY_URL"
+
+  tmp=$(mktemp -d)
+  trap 'rm -rf ${tmp}' EXIT
+
+  curl -sL -o ${tmp}/${BINARY_NAME} $BINARY_URL
+  if [[ "$BINARY_NAME" =~ .zip$ ]]; then
+    unzip ${tmp}/${BINARY_NAME} -d ${tmp}
+    for a in `ls -d -1 ${tmp}/* | grep pandoc | grep -v zip`; do mv $a/* ${tmp}; rmdir $a; done
+  elif [[ "$BINARY_NAME" =~ .tar.gz$ ]]; then
+    tar xvzf ${tmp}/${BINARY_NAME} --strip-components 1 -C ${tmp}/
+  fi
+  PANDOC_BINARY="${tmp}/bin/pandoc"
+}
+
+install-pandoc
+
+${PANDOC_BINARY} --from markdown --to gfm ${FAKE_REPOPATH}/docs/APIs.html > ${FAKE_REPOPATH}/docs/APIs.md
 
 rm ${FAKE_REPOPATH}/docs/APIs.html