upgrade to latest dependencies (#2406)

bumping knative.dev/hack 9b2ed84...51a42b2:
  > 51a42b2 Update community files (# 146)
  > 81ef5cc Update community files (# 145)
  > cfb3eb8 Enable opting out Preemptible/Spot GKE Worker Nodes (# 144)
  > 9dd1ec1 Look at package name when checking whether the shell package can be used (# 142)
  > f1822b1 Disable Logs/Metrics on GKE and Run Preemptible Nodes (# 138)
  > 32375dc remove clusteradmin grant (# 141)
  > 987528e Temporarily fix the unit tests for library.sh (# 143)
  > da09733 print commit hash (# 140)

Signed-off-by: Knative Automation <automation@knative.team>

go.mod

@@ -48,7 +48,7 @@ require (
 	k8s.io/code-generator v0.22.5
 	k8s.io/gengo v0.0.0-20211129171323-c02415ce4185
 	k8s.io/klog/v2 v2.40.1
-	knative.dev/hack v0.0.0-20220118141833-9b2ed8471e30
+	knative.dev/hack v0.0.0-20220128200847-51a42b2eb63e
 	sigs.k8s.io/yaml v1.3.0
 )
 

go.sum

@@ -1152,8 +1152,8 @@ k8s.io/kube-openapi v0.0.0-20211109043538-20434351676c h1:jvamsI1tn9V0S8jicyX82q
 k8s.io/kube-openapi v0.0.0-20211109043538-20434351676c/go.mod h1:vHXdDvt9+2spS2Rx9ql3I8tycm3H9FDfdUoIuKCefvw=
 k8s.io/utils v0.0.0-20210819203725-bdf08cb9a70a h1:8dYfu/Fc9Gz2rNJKB9IQRGgQOh2clmRzNIPPY1xLY5g=
 k8s.io/utils v0.0.0-20210819203725-bdf08cb9a70a/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
-knative.dev/hack v0.0.0-20220118141833-9b2ed8471e30 h1:UkNpCWCMM5C4AeQ8aTrPTuR/6OeARiqk+LEQ6tuMP7c=
+knative.dev/hack v0.0.0-20220128200847-51a42b2eb63e h1:pW3LMToyFhAhbHQWQwUHLY57i7gjvyFwFC8Sg6oNkJ8=
-knative.dev/hack v0.0.0-20220118141833-9b2ed8471e30/go.mod h1:PHt8x8yX5Z9pPquBEfIj0X66f8iWkWfR0S/sarACJrI=
+knative.dev/hack v0.0.0-20220128200847-51a42b2eb63e/go.mod h1:PHt8x8yX5Z9pPquBEfIj0X66f8iWkWfR0S/sarACJrI=
 pgregory.net/rapid v0.3.3 h1:jCjBsY4ln4Atz78QoBWxUEvAHaFyNDQg9+WU62aCn1U=
 pgregory.net/rapid v0.3.3/go.mod h1:UYpPVyjFHzYBGHIxLFoupi8vwk6rXNzRY9OMvVxFIOU=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=

vendor/knative.dev/hack/README.md

@@ -167,6 +167,11 @@ This is a helper script for Knative E2E test scripts. To use it:
 1. By default Istio is installed on the cluster via Addon, use
    `--skip-istio-addon` if you choose not to have it preinstalled.
 
+1. By default Google Kubernetes Engine telemetry to Cloud Logging and Monitoring is disabled.
+   This can be enabled by setting `ENABLE_GKE_TELEMETRY` to `true`.
+   
+1. By default Spot Worker nodes are disabled. This can be enabled by setting `ENABLE_PREEMPTIBLE_NODES`
+   to `true`.
 ### Sample end-to-end test script
 
 This script will test that the latest Knative Serving nightly release works. It

vendor/knative.dev/hack/e2e-tests.sh

@@ -73,9 +73,6 @@ function setup_test_cluster() {
   is_protected_cluster "${k8s_cluster}" && \
     abort "kubeconfig context set to ${k8s_cluster}, which is forbidden"
 
-  # Acquire cluster admin role for the current user.
-  acquire_cluster_admin_role "${k8s_cluster}"
-
   # Setup KO_DOCKER_REPO if it is a GKE cluster. Incorporate an element of
   # randomness to ensure that each run properly publishes images. Don't
   # owerwrite KO_DOCKER_REPO if already set.

vendor/knative.dev/hack/infra-library.sh

@@ -77,20 +77,6 @@ function dump_cluster_state() {
   echo "***************************************"
 }
 
-# Sets the current user as cluster admin for the given cluster.
-# Parameters: $1 - cluster context name
-function acquire_cluster_admin_role() {
-  if [[ -z "$(kubectl get clusterrolebinding cluster-admin-binding 2> /dev/null)" ]]; then
-    if [[ "$1" =~ ^gke_.* ]]; then
-      kubectl create clusterrolebinding cluster-admin-binding \
-        --clusterrole=cluster-admin --user="$(gcloud config get-value core/account)"
-    else
-      kubectl create clusterrolebinding cluster-admin-binding \
-        --clusterrole=cluster-admin --user="prow"
-    fi
-  fi
-}
-
 # Create a test cluster and run the tests if provided.
 # Parameters: $1 - cluster provider name, e.g. gke
 #             $2 - custom flags supported by kntest
@@ -137,5 +123,15 @@ function create_gke_test_cluster() {
   local -n _custom_flags=$1
   local -n _test_command=$2
 
-  run_kntest kubetest2 gke "${_custom_flags[@]}" --test-command="${_test_command[*]}"
+  # We are disabling logs and metrics on Boskos Clusters by default as they are not used. Manually set ENABLE_GKE_TELEMETRY to true to enable telemetry
+  # and ENABLE_PREEMPTIBLE_NODES to true to create preemptible/spot VMs. VM Preemption is a rare event and shouldn't be distruptive given the fault tolerant nature of our tests.
+  local extra_gcloud_flags=""
+  if [[ "$ENABLE_GKE_TELEMETRY" != "true" ]]; then
+    extra_gcloud_flags="${extra_gcloud_flags} --logging=NONE --monitoring=NONE"
+  fi
+
+  if [[ "$ENABLE_PREEMPTIBLE_NODES" == "true" ]]; then
+    extra_gcloud_flags="${extra_gcloud_flags} --preemptible"
+  fi
+  run_kntest kubetest2 gke "${_custom_flags[@]}" --test-command="${_test_command[*]}" --extra-gcloud-flags="${extra_gcloud_flags}"
 }

vendor/knative.dev/hack/presubmit-tests.sh

@@ -266,8 +266,6 @@ function main() {
     git version
     echo ">> ko version"
     [[ -f /ko_version ]] && cat /ko_version || echo "unknown"
-    echo ">> bazel version"
-    [[ -f /bazel_version ]] && cat /bazel_version || echo "unknown"
     if [[ "${DOCKER_IN_DOCKER_ENABLED}" == "true" ]]; then
       echo ">> docker version"
       docker version
@@ -281,6 +279,8 @@ function main() {
       echo ">> maven version"
       mvn --version
     fi
+    echo ">> prow-tests image version"
+    [[ -f /commit_hash ]] && echo "Prow test image was built from $(cat /commit_hash) commit which is viewable at https://github.com/knative/test-infra/tree/$(cat /commit_hash) " || echo "unknown"
   fi
 
   [[ -z ${1:-} ]] && set -- "--all-tests"

vendor/modules.txt

@@ -1060,7 +1060,7 @@ k8s.io/utils/buffer
 k8s.io/utils/integer
 k8s.io/utils/pointer
 k8s.io/utils/trace
-# knative.dev/hack v0.0.0-20220118141833-9b2ed8471e30
+# knative.dev/hack v0.0.0-20220128200847-51a42b2eb63e
 ## explicit; go 1.14
 knative.dev/hack
 # sigs.k8s.io/structured-merge-diff/v4 v4.1.2