Fixes multiple namespaces bug (#276)

* fix ns bug

* add tests

* rename some variables

* rename ns to namespace

* fix delete + correctly type

* add typing to input obj parser

src/strategyHelpers/blueGreen/blueGreenHelper.ts

@@ -38,7 +38,8 @@ export async function deleteGreenObjects(
    const resourcesToDelete: K8sDeleteObject[] = toDelete.map((obj) => {
       return {
          name: getBlueGreenResourceName(obj.metadata.name, GREEN_SUFFIX),
-         kind: obj.kind
+         kind: obj.kind,
+         namespace: obj.metadata.namespace
       }
    })
 
@@ -234,9 +235,10 @@ export function isServiceSelectorSubsetOfMatchLabel(
 export async function fetchResource(
    kubectl: Kubectl,
    kind: string,
-   name: string
+   name: string,
+   namespace?: string
 ): Promise<K8sObject> {
-   const result = await kubectl.getResource(kind, name)
+   const result = await kubectl.getResource(kind, name, false, namespace)
    if (result == null || !!result.stderr) {
       return null
    }

src/strategyHelpers/blueGreen/ingressBlueGreenHelper.ts

@@ -97,7 +97,8 @@ export async function validateIngresses(
          const existingIngress = await fetchResource(
             kubectl,
             inputObject.kind,
-            inputObject.metadata.name
+            inputObject.metadata.name,
+            inputObject?.metadata?.namespace
          )
 
          const isValid =

src/strategyHelpers/blueGreen/serviceBlueGreenHelper.ts

@@ -31,7 +31,8 @@ export async function validateServicesState(
       const existingService = await fetchResource(
          kubectl,
          serviceObject.kind,
-         serviceObject.metadata.name
+         serviceObject.metadata.name,
+         serviceObject?.metadata?.namespace
       )
 
       let isServiceGreen =

src/strategyHelpers/blueGreen/smiBlueGreenHelper.ts

@@ -142,7 +142,8 @@ export async function validateTrafficSplitsState(
       let trafficSplitObject = await fetchResource(
          kubectl,
          TRAFFIC_SPLIT_OBJECT,
-         getBlueGreenResourceName(name, TRAFFIC_SPLIT_OBJECT_NAME_SUFFIX)
+         getBlueGreenResourceName(name, TRAFFIC_SPLIT_OBJECT_NAME_SUFFIX),
+         serviceObject?.metadata?.namespace
       )
       core.debug(
          `ts object extracted was ${JSON.stringify(trafficSplitObject)}`
@@ -183,7 +184,8 @@ export async function cleanupSMI(
             serviceObject.metadata.name,
             GREEN_SUFFIX
          ),
-         kind: serviceObject.kind
+         kind: serviceObject.kind,
+         namespace: serviceObject?.metadata?.namespace
       })
    })