113 lines
2.7 KiB
Bash
Executable File
113 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
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# this script runs jupyter inside a docker container and copies
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# plan manifests from the user's local filesystem into a temporary
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# directory that's bind-mounted into the container.
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image_name="iptestground/composer"
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image_tag="latest"
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image_full_name="$image_name:$image_tag"
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tg_home=${TESTGROUND_HOME:-$HOME/testground}
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container_plans_dir="/testground/plans"
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jupyter_port=${JUPYTER_PORT:-8888}
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panel_port=${PANEL_PORT:-5006}
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poll_interval=30
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exists() {
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command -v "$1" >/dev/null 2>&1
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}
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require_cmds() {
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for cmd in $@; do
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exists $cmd || { echo "This script requires the $cmd command. Please install it and try again." >&2; exit 1; }
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done
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}
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get_manifest_paths() {
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find -L $tg_home/plans -name manifest.toml
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}
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update_manifests() {
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local dest_dir=$1
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mkdir -p $dest_dir
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for m in $(get_manifest_paths); do
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local plan=$(basename $(dirname $m))
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local dest="$dest_dir/$plan/manifest.toml"
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mkdir -p "$dest_dir/$plan"
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# only copy if source manifest is newer than dest (or dest doesn't exist)
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if [[ ! -e $dest || $m -nt $dest ]]; then
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cp $m $dest
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fi
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done
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}
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watch_manifests() {
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local manifest_dest=$1
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while true; do
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update_manifests ${manifest_dest}
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sleep $poll_interval
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done
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}
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open_url() {
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local url=$1
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if exists cmd.exe; then
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cmd.exe /c start ${url} >/dev/null 2>&1
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elif exists xdg-open; then
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xdg-open ${url} >/dev/null 2>&1 &
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elif exists open; then
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open ${url}
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else
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echo "unable to automatically open url. copy/paste this into a browser: $url"
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fi
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}
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# delete temp dir and stop docker container
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cleanup () {
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if [[ "$container_id" != "" ]]; then
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docker stop ${container_id} >/dev/null
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fi
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if [[ -d "$temp_manifest_dir" ]]; then
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rm -rf ${temp_manifest_dir}
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fi
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}
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# run cleanup on exit
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trap "{ cleanup; }" EXIT
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# make sure we have the commands we need
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require_cmds jq docker
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# make temp dir for manifests
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temp_base="/tmp"
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if [[ "$TEMP" != "" ]]; then
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temp_base=$TEMP
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fi
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temp_manifest_dir="$(mktemp -d ${temp_base}/testground-composer-XXXX)"
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echo "temp manifest dir: $temp_manifest_dir"
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# copy the manifests to the temp dir
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update_manifests ${temp_manifest_dir}
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# run the container in detached mode and grab the id
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container_id=$(docker run -d --user $(id -u):$(id -g) -p ${panel_port}:5006 -v ${temp_manifest_dir}:${container_plans_dir}:ro $image_full_name)
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echo "container $container_id started"
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# print the log output
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docker logs -f ${container_id} &
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# sleep for a couple seconds to let the server start up
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sleep 2
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# open a browser to the app url
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panel_url="http://localhost:${panel_port}"
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open_url $panel_url
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# poll & check for manifest changes every few seconds
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watch_manifests ${temp_manifest_dir}
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