Use yq and helmfile build to dynamically deploy helm charts based on …

…release name. (#300)

conf/patches/gke-helmfile-deployment.sh

@@ -1,13 +1,17 @@
 #!/bin/bash
 
 for filename in ${CONF_PATH_PREFIX}/conf/helmfile.d/*.yaml; do
-    deployment_name=$(grep "\- name: " ${filename} | grep -m1 -v "\- name: \"stable\"" | awk '{print $3}' | sed 's/^\"\(.\+\)\"$/\1/')
+  deployment_names=$(helmfile -f $filename build | \
+                     yq r - -- releases[*].name | awk '{print $2}')
+  for name in $deployment_names; do
+    # TODO: use retry command instead of for loop.
     retries=3
     for ((i=0; i<retries; i++)); do
-        helmfile --selector name=${deployment_name} sync
-        [[ $? -eq 0 ]] && break
-        echo "Something went wrong while deploying ${deployment_name}. Retrying in 30 seconds."
-        helm delete ${deployment_name} --purge
-        sleep 30
+      helmfile --selector name=${name} sync
+      [[ $? -eq 0 ]] && break
+      echo "Something went wrong while deploying ${name}. Retrying in 30 seconds."
+      helm delete ${name} --purge
+      sleep 30
     done
+  done
 done