fix(grafana): build grafana error

Author: duanhongyi

stacks/grafana/build.sh

@@ -6,9 +6,13 @@
 # Implement build function
 function build() {
   generate-stack-path
-  curl -fsSL -o tmp.tar.gz https://dl.grafana.com/oss/release/grafana-${STACK_VERSION}.linux-${OS_ARCH}.tar.gz
+  install-stack jq 1.7.1 && . init-stack
+  url=$(curl -s "https://grafana.com/api/grafana/versions/${STACK_VERSION}" | \
+    jq -r ".packages[] | select(.os == \"linux\" and (.arch == \"${OS_ARCH}\") and (.url | endswith(\".tar.gz\"))) | .url")
+  echo "Downloading Grafana..."
+  curl -fSL -o tmp.tar.gz "$url"
   tar -xzf tmp.tar.gz
-  cp -rf grafana-v${STACK_VERSION}/* ${DATA_DIR}
+  cp -rf grafana-${STACK_VERSION}/* ${DATA_DIR}
   rm -rf tmp.tar.gz grafana-${STACK_VERSION}
 }