Restructure and possibility to configure namespace

execution/random-scheduler/Dockerfile → execution/infrastructure/random-scheduler/Dockerfile

 FROM ubuntu:bionic
 
 RUN apt-get update
+RUN apt-get dist-upgrade
+
 RUN apt-get install -y curl jq
 
 RUN curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl

execution/random-scheduler/deployment.yaml → execution/infrastructure/random-scheduler/deployment.yaml

@@ -20,3 +20,6 @@ spec:
         - name: random-scheduler
           image: sehrenstein/random-scheduler:latest
           imagePullPolicy: Always
+          env:
+            - name: TARGET_NAMESPACE
+              value: default

execution/infrastructure/random-scheduler/schedule.sh

+#!/bin/bash
+
+KUBE_API_SERVER=($(kubectl cluster-info | grep 'Kubernetes master' | awk '/http/ {print $NF}' | awk -F : '{print $1$2}' | awk '{ gsub(/\/\//, "://"); print }'))
+echo "K8's API server: $KUBE_API_SERVER"
+echo "Target Namespace: $TARGET_NAMESPACE"
+while true;
+do
+    for PODNAME in $(kubectl get pods -n $TARGET_NAMESPACE -o json | jq '.items[] | select(.spec.schedulerName == "random-scheduler") | select(.spec.nodeName == null) | .metadata.name' | tr -d '"');
+    do
+        NODES=($(kubectl get nodes -o json | jq '.items[].metadata.name' | tr -d '"'))
+        NUMNODES=${#NODES[@]}
+        CHOSEN=${NODES[$[$RANDOM % $NUMNODES]]}
+        curl --insecure --header "Content-Type:application/json" --request POST --data '{"apiVersion":"v1", "kind": "Binding", "metadata": {"name": "'$PODNAME'"}, "target": {"apiVersion": "v1", "kind": "Node", "name": "'$CHOSEN'"}}' https://10.96.0.1/api/v1/namespaces/$TARGET_NAMESPACE/pods/$PODNAME/binding/
+        echo "Assigned $PODNAME to $CHOSEN"
+    done
+    sleep 1
+done
\ No newline at end of file

execution/random-scheduler/schedule.sh

-#!/bin/bash
-
-KUBE_API_KUBE_API_SERVER=($(kubectl config view -o json | jq '.clusters[0].cluster.server'))
-while true;
-do
-    for PODNAME in $(kubectl get pods -n default -o json | jq '.items[] | select(.spec.schedulerName == "random-scheduler") | select(.spec.nodeName == null) | .metadata.name' | tr -d '"');
-    do
-        NODES=($(kubectl get nodes -o json | jq '.items[].metadata.name' | tr -d '"'))
-        NUMNODES=${#NODES[@]}
-        CHOSEN=${NODES[$[$RANDOM % $NUMNODES]]}
-        curl --header "Content-Type:application/json" --request POST --data '{"apiVersion":"v1", "kind": "Binding", "metadata": {"name": "'$PODNAME'"}, "target": {"apiVersion": "v1", "kind": "Node", "name": "'$CHOSEN'"}}' $KUBE_API_SERVER/api/v1/namespaces/default/pods/$PODNAME/binding/
-        echo "Assigned $PODNAME to $CHOSEN"
-    done
-    sleep 1
-done
\ No newline at end of file