Merge pull request #107 from redhat-performance/pkg-tool/jq

[pkg_tool] Install JQ when reading from wrapper_config

Author: kdvalin

package_tool

@@ -31,6 +31,25 @@ python_exec="python3"
 base_dir=$(dirname $(realpath $0))
 running_os=$($base_dir/detect_os)
 
+# Install System packages
+# Args:
+# - Comma separated list of packages, can also be space separated and work
+install_system_pkgs() {
+	packages=$1
+	package_list=$(echo ${packages} | sed "s/,/ /g")
+
+	if [[ -z "$package_list" ]]; then
+		return 0 # Nothing to do
+	fi
+
+	for package in $package_list; do
+		$install_cmd install -y $package
+		if [ $? -ne 0 ]; then
+			 exit_out "$install_cmd install of $package failed" 1
+		fi
+	done
+}
+
 # Fetches dependencies from a wrapper JSON file
 # Args:
 # - Wrapper file path
@@ -43,6 +62,10 @@ parse_json()
 	json_file=$1
 	platform=$2
 
+	if ! command -v jq > /dev/null; then
+		install_system_pkgs jq
+	fi
+
 	packages=$(jq -r ".dependencies.$platform | @csv" $json_file 2> /dev/null)
 
 	if [[ $? -ne 0 ]]; then
@@ -229,15 +252,7 @@ if [[ -n "$pip_packages" ]] && [[ "$python_exec" == "python3" ]]; then
 	packages=$(append_packages $packages $pip_os_pkg)
 fi
 
-if [[ $packages != "" ]]; then
-	package_list=`echo ${packages} | sed "s/,/ /g"`
-	for package in $package_list; do
-		$install_cmd install -y $package
-		if [ $? -ne 0 ]; then
-			 exit_out "$install_cmd install of $package failed" 1
-		fi
-	done
-fi
+install_system_pkgs "$packages"
 
 if [[ -n "$pip_packages" ]]; then
 	install_pip_pkgs