mirror of
https://github.com/linka-cloud/d2vm.git
synced 2024-11-24 16:46:24 +00:00
run/hetzner: upload using sparsecat and run e2fsck
docs: add demo scripts Signed-off-by: Adphi <philippe.adrien.nousse@gmail.com>
This commit is contained in:
parent
6c93c8be56
commit
d97b58159c
GPG Key ID:
46BE4062DB2397FF
@ -243,12 +243,7 @@ func runHetzner(ctx context.Context, imgPath string, stdin io.Reader, stderr io.
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}
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}
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}()
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var cmd string
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if runtime.GOOS == "linux" {
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cmd = fmt.Sprintf("%s -r -disable-sparse-target -of %s", sparsecatPath, vmBlockPath)
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} else {
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cmd = fmt.Sprintf("dd of=%s", vmBlockPath)
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}
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cmd := fmt.Sprintf("%s -r -disable-sparse-target -of %s", sparsecatPath, vmBlockPath)
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logrus.Debugf("$ %s", cmd)
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if b, err := wses.CombinedOutput(cmd); err != nil {
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return fmt.Errorf("%v: %s", err, string(b))
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@ -281,6 +276,19 @@ func runHetzner(ctx context.Context, imgPath string, stdin io.Reader, stderr io.
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} else {
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logrus.Debugf(string(b))
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}
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cses, err := sc.NewSession()
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if err != nil {
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return err
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}
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defer cses.Close()
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logrus.Infof("checking disk partition")
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cmd = fmt.Sprintf("e2fsck -yf %s1", vmBlockPath)
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logrus.Debugf("$ %s", cmd)
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if b, err := cses.CombinedOutput(cmd); err != nil {
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return fmt.Errorf("%v: %s", err, string(b))
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} else {
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logrus.Debugf(string(b))
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}
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eses, err := sc.NewSession()
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if err != nil {
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return err
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75
scripts/demo
Executable file
75
scripts/demo
Executable file
@ -0,0 +1,75 @@
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#!/usr/bin/env bash
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dir="$PWD"
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scripts_dir="scripts"
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if [ "$(basename $PWD)" == "$scripts_dir" ]; then
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cd ..
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fi
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. ./$scripts_dir/demo-magic
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TYPE_SPEED=20
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EXEC_WAIT=1
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DEMO_PROMPT="${CYAN}➜ ${CYAN}\W "
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clear
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IMAGE="./images/workstation.qcow2"
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PROMPT_TIMEOUT=1
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print_prompt
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wait
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pei "# Let's create a virtual machine from a Dockerfile"
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wait
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DOCKERFILE="examples/full/Dockerfile"
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pei "cat $DOCKERFILE"
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cp scripts/demo-magic examples/full
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cp scripts/inside examples/full
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cat <<EOF >> $DOCKERFILE
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COPY demo-magic /home/adphi/demo-magic
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COPY inside /home/adphi/inside
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RUN sudo chmod +x /home/adphi/inside && echo /home/adphi/inside >> /home/adphi/.zshrc && sudo apt install -y pv
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EOF
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PROMPT_TIMEOUT=5
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wait
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PROMPT_TIMEOUT=0
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EXEC_WAIT=2
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pei "export PASSWORD=\"Don'tThinkTh4tIReallyUseThisPassword:)\""
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pei "sudo d2vm build -s 10G -o $IMAGE --force --build-arg USER=adphi --build-arg PASSWORD=\$PASSWORD -p \$PASSWORD -v --time=relative examples/full"
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rm examples/full/{demo-magic,inside}
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git checkout examples/ &> /dev/null
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PROMPT_TIMEOUT=1
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wait
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PROMPT_TIMEOUT=2
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EXEC_WAIT=1
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pei "# Now let's run this image"
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wait
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EXEC_WAIT=2
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pei "sudo d2vm run qemu --cpus 4 --mem 4096 --networking default $IMAGE"
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# demo continues inside the vm is soon as the boot completes
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wait
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EXEC_WAIT=1
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pei "# Let's try to run it on a cloud provider: Hetzner..."
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EXEC_WAIT=2
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pei "sudo -E d2vm run hetzner --rm -v --time=relative -u adphi -i ~/.ssh/id_rsa $IMAGE"
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# demo continues inside the vm is soon as the boot completes
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pei "# Pretty cool rigth ? :)"
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wait
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cd $dir
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220
scripts/demo-magic
Normal file
220
scripts/demo-magic
Normal file
@ -0,0 +1,220 @@
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#!/usr/bin/env bash
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###############################################################################
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#
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# demo-magic.sh
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#
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# Copyright (c) 2015 Paxton Hare
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#
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# This script lets you script demos in bash. It runs through your demo script when you press
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# ENTER. It simulates typing and runs commands.
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#
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###############################################################################
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# the speed to "type" the text
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TYPE_SPEED=20
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# no wait after "p" or "pe"
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NO_WAIT=false
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# if > 0, will pause for this amount of seconds before automatically proceeding with any p or pe
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PROMPT_TIMEOUT=0
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# don't show command number unless user specifies it
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SHOW_CMD_NUMS=false
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EXEC_WAIT=1
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# handy color vars for pretty prompts
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BLACK="\033[0;30m"
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BLUE="\033[0;34m"
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GREEN="\033[0;32m"
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GREY="\033[0;90m"
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CYAN="\033[0;36m"
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RED="\033[0;31m"
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PURPLE="\033[0;35m"
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BROWN="\033[0;33m"
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WHITE="\033[1;37m"
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COLOR_RESET="\033[0m"
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C_NUM=0
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# prompt and command color which can be overriden
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DEMO_PROMPT="$ "
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DEMO_CMD_COLOR=$WHITE
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DEMO_COMMENT_COLOR=$GREY
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##
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# prints the script usage
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##
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function usage() {
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echo -e ""
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echo -e "Usage: $0 [options]"
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echo -e ""
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echo -e "\tWhere options is one or more of:"
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echo -e "\t-h\tPrints Help text"
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echo -e "\t-d\tDebug mode. Disables simulated typing"
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echo -e "\t-n\tNo wait"
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echo -e "\t-w\tWaits max the given amount of seconds before proceeding with demo (e.g. '-w5')"
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echo -e ""
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}
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##
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# wait for user to press ENTER
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# if $PROMPT_TIMEOUT > 0 this will be used as the max time for proceeding automatically
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##
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function wait() {
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if [[ "$PROMPT_TIMEOUT" == "0" ]]; then
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read -rs
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else
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read -rst "$PROMPT_TIMEOUT"
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fi
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}
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print_prompt() {
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# render the prompt
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x=$(PS1="$DEMO_PROMPT" "$BASH" --norc -i </dev/null 2>&1 | sed -n '${s/^\(.*\)exit$/\1/p;}')
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# show command number is selected
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if $SHOW_CMD_NUMS; then
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printf "[$((++C_NUM))] $x"
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else
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printf "$x"
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fi
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}
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##
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# print command only. Useful for when you want to pretend to run a command
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#
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# takes 1 param - the string command to print
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#
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# usage: p "ls -l"
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#
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##
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function p() {
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if [[ ${1:0:1} == "#" ]]; then
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cmd=$DEMO_COMMENT_COLOR$1$COLOR_RESET
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else
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cmd=$DEMO_CMD_COLOR$1$COLOR_RESET
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fi
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# wait for the user to press a key before typing the command
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if [ $NO_WAIT = false ]; then
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wait
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fi
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if [[ -z $TYPE_SPEED ]]; then
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echo -en "$cmd"
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else
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echo -en "$cmd" | pv -qL $[$TYPE_SPEED+(-2 + RANDOM%5)];
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fi
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# wait for the user to press a key before moving on
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if [ $NO_WAIT = false ]; then
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wait
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fi
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sleep $EXEC_WAIT
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echo ""
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}
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##
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# Prints and executes a command
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#
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# takes 1 parameter - the string command to run
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#
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# usage: pe "ls -l"
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#
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##
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function pe() {
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# print the command
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p "$@"
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run_cmd "$@"
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}
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##
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# print and executes a command immediately
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#
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# takes 1 parameter - the string command to run
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#
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# usage: pei "ls -l"
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#
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##
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function pei {
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NO_WAIT=true pe "$@"
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}
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##
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# Enters script into interactive mode
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#
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# and allows newly typed commands to be executed within the script
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#
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# usage : cmd
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#
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##
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function cmd() {
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# render the prompt
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x=$(PS1="$DEMO_PROMPT" "$BASH" --norc -i </dev/null 2>&1 | sed -n '${s/^\(.*\)exit$/\1/p;}')
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printf "$x\033[0m"
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read command
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run_cmd "${command}"
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}
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function run_cmd() {
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function handle_cancel() {
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printf ""
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}
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trap handle_cancel SIGINT
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stty -echoctl
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eval "$@"
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stty echoctl
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trap - SIGINT
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print_prompt
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}
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function check_pv() {
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command -v pv >/dev/null 2>&1 || {
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echo ""
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echo -e "${RED}##############################################################"
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echo "# HOLD IT!! I require pv but it's not installed. Aborting." >&2;
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echo -e "${RED}##############################################################"
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echo ""
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echo -e "${COLOR_RESET}Installing pv:"
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echo ""
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echo -e "${BLUE}Mac:${COLOR_RESET} $ brew install pv"
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echo ""
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echo -e "${BLUE}Other:${COLOR_RESET} http://www.ivarch.com/programs/pv.shtml"
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echo -e "${COLOR_RESET}"
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exit 1;
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}
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}
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check_pv
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#
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# handle some default params
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# -h for help
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# -d for disabling simulated typing
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#
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while getopts ":dhncw:" opt; do
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case $opt in
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h)
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usage
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exit 1
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;;
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d)
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unset TYPE_SPEED
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;;
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n)
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NO_WAIT=true
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;;
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c)
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SHOW_CMD_NUMS=true
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;;
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w)
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PROMPT_TIMEOUT=$OPTARG
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;;
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esac
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done
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51
scripts/inside
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51
scripts/inside
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#!/usr/bin/env bash
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. $HOME/demo-magic
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TYPE_SPEED=20
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EXEC_WAIT=1
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DEMO_PROMPT="${PURPLE}➜ ${PURPLE}\W "
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defer_kill_htop() {
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sleep 8
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pkill htop
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}
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resize
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print_prompt
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sleep 2
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pei "# Nice auto login ;)"
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PROMPT_TIMEOUT=1
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wait
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if ! $(ps aux|grep -e "sshd: adphi" | grep -v grep &> /dev/null); then
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pei "# Is the network configured ?"
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pei "ip a"
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pei "# But is it trully working ?"
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pei "ping -c 5 linka.cloud"
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fi
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pei "# Now let's take a look at CPU and Memory usage..."
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wait
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defer_kill_htop &
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pei "htop"
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pei "# Let's see disk usage..."
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PROMPT_TIMEOUT=3
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pei "df -hT"
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wait
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pei "# Pretty small right ? ;)"
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PROMPT_TIMEOUT=1
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wait
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pei "sudo poweroff"
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