Image puller: fix user and location in gate.

This PS fixes the location of the image pull command in the gate
and also moves the position it is run at to after docker is
installed.

Change-Id: I45573ae18147a44e99698bfac208fe1f2dcf6128

tools/gate/funcs/kube.sh

@@ -80,8 +80,10 @@ function kubeadm_aio_reqs_install {
     sudo yum install -y \
             epel-release
     sudo yum install -y \
-            docker-latest \
-            jq
+            docker-latest
+    # We need JQ 1.5 which is not currently in the CentOS or EPEL repos
+    sudo curl -L -o /usr/bin/jq https://github.com/stedolan/jq/releases/download/jq-1.5/jq-linux64
+    sudo chmod +x /usr/bin/jq
     sudo cp -f /usr/lib/systemd/system/docker-latest.service /etc/systemd/system/docker.service
     sudo sed -i "s|/var/lib/docker-latest|/var/lib/docker|g" /etc/systemd/system/docker.service
     sudo sed -i 's/^OPTIONS/#OPTIONS/g' /etc/sysconfig/docker-latest

tools/gate/setup_gate.sh

@@ -60,7 +60,6 @@ if [ "x$INTEGRATION_TYPE" == "xlinter" ]; then
   helm_plugin_template_install
   helm_template_run
 else
-  cd ${WORK_DIR}; make pull-all-images
   # Setup the K8s Cluster
   if [ "x$INTEGRATION" == "xaio" ]; then
    bash ${WORK_DIR}/tools/gate/kubeadm_aio.sh
@@ -68,6 +67,8 @@ else
    bash ${WORK_DIR}/tools/gate/kubeadm_aio.sh
    bash ${WORK_DIR}/tools/gate/setup_gate_worker_nodes.sh
   fi
+  # Pull all required images
+  cd ${WORK_DIR}; make pull-all-images
   if [ "x$LOOPBACK_CREATE" == "xtrue" ]; then
     loopback_dev_info_collect
     kube_label_node_block_devs

tools/pull-images.sh

@@ -3,7 +3,7 @@ set -x
 for CHART_DIR in ./*/ ; do
   if [ -e ${CHART_DIR}values.yaml ]; then
     for IMAGE in $(cat ${CHART_DIR}values.yaml | yq '.images.tags | map(.) | join(" ")' | tr -d '"'); do
-      docker inspect $IMAGE >/dev/null|| docker pull $IMAGE
+      sudo docker inspect $IMAGE >/dev/null|| sudo docker pull $IMAGE
     done
   fi
 done