Merge "[DMAAP-MR] Correct zoo-entrance image definition in statefulset"

[oom.git] / kubernetes / config / prepull_docker.sh

diff --git a/kubernetes/config/prepull_docker.sh b/kubernetes/config/prepull_docker.sh
index ef46334..bfd679b 100755 (executable)
--- a/kubernetes/config/prepull_docker.sh
+++ b/kubernetes/config/prepull_docker.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 #function to provide help
 #desc: this function provide help menu
@@ -26,9 +26,16 @@ EOF
 #argument: yaml file
 #calling syntax: parse_yaml <yaml_file_name>
 
-function parse_yaml {
-   local prefix=$2
-   local s='[[:space:]]*' w='[a-zA-Z0-9_]*' fs=$(echo @|tr @ '\034')
+parse_yaml () {
+   local prefix
+   prefix=$2
+   local s
+   s='[[:space:]]*'
+   local w
+   w='[a-zA-Z0-9_]*'
+   local fs
+   fs=$(echo @|tr @ '\034')
+
    sed -ne "s|^\($s\):|\1|" \
         -e "s|^\($s\)\($w\)$s:$s[\"']\(.*\)[\"']$s\$|\1$fs\2$fs\3|p" \
         -e "s|^\($s\)\($w\)$s:$s\(.*\)$s\$|\1$fs\2$fs\3|p"  $1 |
@@ -102,7 +109,7 @@ do
         for line in  `parse_yaml $filename`
         do
                 #skiping commented line
-                if [[ ${line:0:1} != '#' ]]; then
+                if echo "$line" | grep -v '^#' >/dev/null; then
                         #find all image subtag inside converted values.yaml file's lines
                         if echo $line | grep -q $IMAGE_TEXT ; then
                                 #find imageName inside line
@@ -110,7 +117,7 @@ do
                                 #remove attional prefix and postfix
                                 imageNameFinal=`echo "$imageName" | sed -e 's/^"//' -e 's/"$//' `
 
-                               #check if line contain Version as a subtag in lines if yes then call docker pull with version
+                                #check if line contain Version as a subtag in lines if yes then call docker pull with version
                                 if echo $line | grep -q $IMAGE_VERSION_TEXT ; then
                                         echo docker pull "$imageNameWithVersion":"$imageNameFinal"
                                         docker pull $imageNameWithVersion:$imageNameFinal &