Set package initial status if its empty (#1522)

If the user applies package YAML file has no status field,
the package won't be able to be compiled or deployed due
to lack of status. This PR aims to add a check at buildermgr
to set initial package status to those packages.

test/tests/test_kubectl/spec-yaml/env-go.yaml

@@ -0,0 +1,18 @@
+apiVersion: fission.io/v1
+kind: Environment
+metadata:
+  creationTimestamp: null
+  name: go-spec-kubectl
+  namespace: default
+spec:
+  builder:
+    command: build
+    image: fission/go-builder-1.12:1.7.1
+  imagepullsecret: ""
+  keeparchive: false
+  poolsize: 3
+  resources: {}
+  runtime:
+    image: fission/go-env-1.12:1.7.1
+  terminationGracePeriod: 5
+  version: 2

test/tests/test_kubectl/spec-yaml/function-go.yaml

@@ -0,0 +1,47 @@
+apiVersion: fission.io/v1
+kind: Package
+metadata:
+  creationTimestamp: null
+  name: go-b4bbb0e0-2d93-47f0-8c4e-eea644eec2a9
+  namespace: default
+spec:
+  deployment:
+    checksum: {}
+  environment:
+    name: go-spec-kubectl
+    namespace: default
+  source:
+    checksum:
+      sum: aa595bb952047c517d849f8fc9e490fdabc37d83795392074a0b15a59748004f
+      type: sha256
+    type: url
+    url: https://raw.githubusercontent.com/fission/fission/master/examples/go/hello.gogo # this is intentional
+
+---
+apiVersion: fission.io/v1
+kind: Function
+metadata:
+  creationTimestamp: null
+  name: go-spec-kubectl
+  namespace: default
+spec:
+  InvokeStrategy:
+    ExecutionStrategy:
+      ExecutorType: poolmgr
+      MaxScale: 0
+      MinScale: 0
+      SpecializationTimeout: 120
+      TargetCPUPercent: 0
+    StrategyType: execution
+  configmaps: null
+  environment:
+    name: go-spec-kubectl
+    namespace: default
+  functionTimeout: 60
+  package:
+    functionName: Handler
+    packageref:
+      name: go-b4bbb0e0-2d93-47f0-8c4e-eea644eec2a9
+      namespace: default
+  resources: {}
+  secrets: null

test/tests/test_kubectl/test_kubectl.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+
+set -euo pipefail
+source $(dirname $0)/../../utils.sh
+
+TEST_ID=$(generate_test_id)
+echo "TEST_ID = $TEST_ID"
+
+tmp_dir="/tmp/test-$TEST_ID"
+mkdir -p $tmp_dir
+
+ROOT=$(dirname $0)/../../..
+
+cd $ROOT/test/tests/test_kubectl
+
+cleanup() {
+    kubectl delete -f spec-yaml -R || true
+}
+
+if [ -z "${TEST_NOCLEANUP:-}" ]; then
+    trap cleanup EXIT
+else
+    log "TEST_NOCLEANUP is set; not cleaning up test artifacts afterwards."
+fi
+
+name="go-spec-kubectl"
+pkgName="go-b4bbb0e0-2d93-47f0-8c4e-eea644eec2a9"
+
+# cleanup first
+cleanup
+
+# apply environment & function
+kubectl apply -f spec-yaml -R
+
+# wait for build to finish
+timeout 90 bash -c "wait_for_builder $name"
+timeout 90 bash -c "waitBuildExpectedStatus $pkgName failed"
+
+sed -i 's/gogo/go/g' spec-yaml/function-go.yaml
+
+# before we enable "/status" this should be failed.
+kubectl apply -f spec-yaml/function-go.yaml
+timeout 90 bash -c "waitBuildExpectedStatus $pkgName failed"
+
+kubectl replace -f spec-yaml/function-go.yaml
+timeout 90 bash -c "waitBuild $pkgName"
+
+fission fn test --name $name
+
+log "Test PASSED"