cluster: remove unused functions

Author: mikedanese

Diff for: cluster/common.sh

@@ -159,15 +159,6 @@ function clear-kubeconfig() {
   echo "Cleared config for ${CONTEXT} from ${KUBECONFIG}"
 }
 
-function tear_down_alive_resources() {
-  local kubectl="${KUBE_ROOT}/cluster/kubectl.sh"
-  "${kubectl}" delete deployments --all || true
-  "${kubectl}" delete rc --all || true
-  "${kubectl}" delete pods --all || true
-  "${kubectl}" delete svc --all || true
-  "${kubectl}" delete pvc --all || true
-}
-
 # Gets username, password for the current-context in kubeconfig, if they exist.
 # Assumed vars:
 #   KUBECONFIG  # if unset, defaults to global
@@ -253,17 +244,6 @@ function gen-kube-bearertoken() {
     KUBE_BEARER_TOKEN=$(dd if=/dev/urandom bs=128 count=1 2>/dev/null | base64 | tr -d "=+/" | dd bs=32 count=1 2>/dev/null)
 }
 
-# Generate uid
-# This function only works on systems with python. It generates a time based
-# UID instead of a UUID because GCE has a name length limit.
-#
-# Vars set:
-#   KUBE_UID
-function gen-uid {
-    KUBE_UID=$(python -c 'import uuid; print(uuid.uuid1().fields[0])')
-}
-
-
 function load-or-gen-kube-basicauth() {
   if [[ ! -z "${KUBE_CONTEXT:-}" ]]; then
     get-kubeconfig-basicauth
@@ -293,28 +273,6 @@ function load-or-gen-kube-bearertoken() {
   fi
 }
 
-# Get the master IP for the current-context in kubeconfig if one exists.
-#
-# Assumed vars:
-#   KUBECONFIG  # if unset, defaults to global
-#   KUBE_CONTEXT  # if unset, defaults to current-context
-#
-# Vars set:
-#   KUBE_MASTER_URL
-#
-# KUBE_MASTER_URL will be empty if no current-context is set, or the
-# current-context user does not exist or contain a server entry.
-function detect-master-from-kubeconfig() {
-  export KUBECONFIG=${KUBECONFIG:-$DEFAULT_KUBECONFIG}
-
-  local cc=$("${KUBE_ROOT}/cluster/kubectl.sh" config view -o jsonpath="{.current-context}")
-  if [[ ! -z "${KUBE_CONTEXT:-}" ]]; then
-    cc="${KUBE_CONTEXT}"
-  fi
-  local cluster=$("${KUBE_ROOT}/cluster/kubectl.sh" config view -o jsonpath="{.contexts[?(@.name == \"${cc}\")].context.cluster}")
-  KUBE_MASTER_URL=$("${KUBE_ROOT}/cluster/kubectl.sh" config view -o jsonpath="{.clusters[?(@.name == \"${cluster}\")].cluster.server}")
-}
-
 # Sets KUBE_VERSION variable to the proper version number (e.g. "v1.0.6",
 # "v1.2.0-alpha.1.881+376438b69c7612") or a version' publication of the form
 # <path>/<version> (e.g. "release/stable",' "ci/latest-1").
@@ -569,7 +527,6 @@ function build-kube-env {
   fi
 
   build-runtime-config
-  gen-uid
 
   rm -f ${file}
   cat >$file <<EOF
@@ -633,7 +590,6 @@ KUBE_DOCKER_REGISTRY: $(yaml-quote ${KUBE_DOCKER_REGISTRY:-})
 KUBE_ADDON_REGISTRY: $(yaml-quote ${KUBE_ADDON_REGISTRY:-})
 MULTIZONE: $(yaml-quote ${MULTIZONE:-})
 NON_MASQUERADE_CIDR: $(yaml-quote ${NON_MASQUERADE_CIDR:-})
-KUBE_UID: $(yaml-quote ${KUBE_UID:-})
 ENABLE_DEFAULT_STORAGE_CLASS: $(yaml-quote ${ENABLE_DEFAULT_STORAGE_CLASS:-})
 ENABLE_APISERVER_BASIC_AUDIT: $(yaml-quote ${ENABLE_APISERVER_BASIC_AUDIT:-})
 ENABLE_APISERVER_ADVANCED_AUDIT: $(yaml-quote ${ENABLE_APISERVER_ADVANCED_AUDIT:-})

Diff for: cluster/gce/util.sh

@@ -677,61 +677,6 @@ function create-node-template() {
   done
 }
 
-# Robustly try to add metadata on an instance.
-# $1: The name of the instance.
-# $2...$n: The metadata key=value pairs to add.
-function add-instance-metadata() {
-  local -r instance=$1
-  shift 1
-  local -r kvs=( "$@" )
-  detect-project
-  local attempt=0
-  while true; do
-    if ! gcloud compute instances add-metadata "${instance}" \
-      --project "${PROJECT}" \
-      --zone "${ZONE}" \
-      --metadata "${kvs[@]}"; then
-        if (( attempt > 5 )); then
-          echo -e "${color_red}Failed to add instance metadata in ${instance} ${color_norm}" >&2
-          exit 2
-        fi
-        echo -e "${color_yellow}Attempt $(($attempt+1)) failed to add metadata in ${instance}. Retrying.${color_norm}" >&2
-        attempt=$(($attempt+1))
-        sleep $((5 * $attempt))
-    else
-        break
-    fi
-  done
-}
-
-# Robustly try to add metadata on an instance, from a file.
-# $1: The name of the instance.
-# $2...$n: The metadata key=file pairs to add.
-function add-instance-metadata-from-file() {
-  local -r instance=$1
-  shift 1
-  local -r kvs=( "$@" )
-  detect-project
-  local attempt=0
-  while true; do
-    echo "${kvs[@]}"
-    if ! gcloud compute instances add-metadata "${instance}" \
-      --project "${PROJECT}" \
-      --zone "${ZONE}" \
-      --metadata-from-file "$(join_csv ${kvs[@]})"; then
-        if (( attempt > 5 )); then
-          echo -e "${color_red}Failed to add instance metadata in ${instance} ${color_norm}" >&2
-          exit 2
-        fi
-        echo -e "${color_yellow}Attempt $(($attempt+1)) failed to add metadata in ${instance}. Retrying.${color_norm}" >&2
-        attempt=$(($attempt+1))
-        sleep $(($attempt * 5))
-    else
-        break
-    fi
-  done
-}
-
 # Instantiate a kubernetes cluster
 #
 # Assumed vars

Diff for: hack/ginkgo-e2e.sh

@@ -45,6 +45,17 @@ export KUBECTL KUBE_CONFIG_FILE
 
 source "${KUBE_ROOT}/cluster/kube-util.sh"
 
+function detect-master-from-kubeconfig() {
+    export KUBECONFIG=${KUBECONFIG:-$DEFAULT_KUBECONFIG}
+
+    local cc=$("${KUBE_ROOT}/cluster/kubectl.sh" config view -o jsonpath="{.current-context}")
+    if [[ ! -z "${KUBE_CONTEXT:-}" ]]; then
+      cc="${KUBE_CONTEXT}"
+    fi
+    local cluster=$("${KUBE_ROOT}/cluster/kubectl.sh" config view -o jsonpath="{.contexts[?(@.name == \"${cc}\")].context.cluster}")
+    KUBE_MASTER_URL=$("${KUBE_ROOT}/cluster/kubectl.sh" config view -o jsonpath="{.clusters[?(@.name == \"${cluster}\")].cluster.server}")
+}
+
 # ---- Do cloud-provider-specific setup
 if [[ -n "${KUBERNETES_CONFORMANCE_TEST:-}" ]]; then
     echo "Conformance test: not doing test setup."