Scripts for a couple of simple fission demos

demos/util.sh

@@ -0,0 +1,78 @@
+#!/bin/bash
+# Copyright 2016 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+readonly  reset=$(tput sgr0)
+readonly  green=$(tput bold; tput setaf 2)
+readonly yellow=$(tput bold; tput setaf 3)
+readonly   blue=$(tput bold; tput setaf 6)
+readonly timeout=$(if [ "$(uname)" == "Darwin" ]; then echo "1"; else echo "0.1"; fi) 
+
+function desc() {
+    maybe_first_prompt
+    echo "$blue# $@$reset"
+    prompt
+}
+
+function prompt() {
+    echo -n "$yellow\$ $reset"
+}
+
+started=""
+function maybe_first_prompt() {
+    if [ -z "$started" ]; then
+        prompt
+        started=true
+    fi
+}
+
+# After a `run` this variable will hold the stdout of the command that was run.
+# If the command was interactive, this will likely be garbage.
+#DEMO_RUN_STDOUT=""
+
+function run() {
+    maybe_first_prompt
+    rate=25
+    if [ -n "$DEMO_RUN_FAST" ]; then
+      rate=1000
+    fi
+    echo "$green$1$reset" | pv -qL $rate
+    if [ -n "$DEMO_RUN_FAST" ]; then
+      sleep 0.5
+    fi
+    $1
+    echo; echo -n ">"
+    read -s
+    echo -e "\b "
+#    OFILE="$(mktemp -t $(basename $0).XXXXXX)"
+#    script -q -t0 "$OFILE" $1 # [removed -e,-c options -soam]
+#    r=$?
+#    read -d '' -t "${timeout}" -n 10000 # clear stdin
+#    prompt
+#    if [ -z "$DEMO_AUTO_RUN" ]; then
+#      read -s
+#    fi
+#    DEMO_RUN_STDOUT="$(tail -n +2 $OFILE | sed 's/\r//g')"
+#    return $r
+}
+
+function relative() {
+    for arg; do
+        echo "$(realpath $(dirname $(which $0)))/$arg" | sed "s|$(realpath $(pwd))|.|"
+    done
+}
+
+SSH_NODE=$(kubectl get nodes | tail -1 | cut -f1 -d' ')
+
+#trap "echo" EXIT