mirror of https://github.com/oxen-io/session-ios
Morgan Pretty
2 months ago
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GitHub
commit
9aeb94dcc2
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Subproject commit aeb86c29d2e0cb0a21d612a3638322b08be97e71
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Subproject commit 5cdc346e9e633a1f80d388184fe00e7ca9d6ee9c
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# Xcode simulator keepalive/cleanup
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Keep-alive directory for simulators managed by xcode that may be created during
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drone CI jobs.
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These scripts are placed in a /Users/$USER/sim-keepalive directory; keepalive.sh
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is called from a CI job to set up a keepalive, while cleanup.py is intended to
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be run once/minute via cron to deal with cleaning up old simulators from killed
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CI pipelines.
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The directory itself will have files created that look like a UDID and are
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checked periodically (by cleanup.py); any that have a timestamp less than the
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current time will be deleted.
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## Simple timeout
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A CI job can invoke the keepalive.sh script with a UDID value and a time
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interval: the keepalive script will set up a file that will keep the simulator
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alive for the given interval, then deletes it once the interval is passed. The
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script exits immediately in this mode. Shortly (up to a minute) after the
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timestamp is reached the simulator device will be deleted (if it still exists).
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For example:
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/Users/$USER/sim-keepalive/keepalive.sh $udid "5 minutes"
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for a fixed 5-minute cleanup timeout.
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## Indefinite timeout
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For a job where the precise time required isn't known or varies significantly
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there is a script in this directory that provides a simple keep-alive script
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that will create and periodically update the $udid file to keep the simulator
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alive.
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This is moderately more complex to set up as you must add a parallel job (using
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`depends_on`) to the CI pipeline that runs the script for the duration of the
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steps that require the simulator:
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/Users/$USER/sim-keepalive/keepalive.sh $udid
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the script periodically touches the sim-keepalive/$udid to keep the simulator
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alive as long as the keep alive script runs. To stop the keepalive (i.e. when
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the task is done) simply run:
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rm /Users/$USER/sim-keepalive/$udid
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which will cause the keepalive script to immediately shut down the simulator
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with the given UDID and then exits the keepalive script.
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If the pipeline gets killed, the keepalive script stops updating the file and
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the simulator will be killed by the periodic cleanup within the next couple
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minutes.
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# crontab entry
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A crontab entry must be added to run the CI user's crontab to periodically run
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cleanup.py:
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* * * * * ~/sim-keepalive/cleanup.py
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#!/usr/bin/env python3
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import os
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import subprocess
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import shutil
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import time
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import json
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os.chdir(os.path.dirname(os.path.abspath(__file__)))
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subprocess.run(["xcrun", "simctl", "delete", "unavailable"], check=True)
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simctl_list = json.loads(subprocess.run(["xcrun", "simctl", "list", "devices", "-je"], check=True, stdout=subprocess.PIPE).stdout)
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now = time.time()
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for rt, devs in simctl_list.get("devices", {}).items():
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for dev in devs:
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udid = dev["udid"]
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nuke_it = False
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if os.path.isfile(udid):
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if os.path.getmtime(udid) <= now:
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nuke_it = True
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os.remove(udid)
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# else the keepalive file is still active
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elif os.path.getmtime(dev["dataPath"]) <= now - 3600:
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# no keep-alive and more than an hour old so kill it
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nuke_it = True
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if nuke_it:
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subprocess.run(["xcrun", "simctl", "delete", udid])
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if os.path.exists(dev["logPath"]):
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shutil.rmtree(dev["logPath"])
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@ -0,0 +1,82 @@
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#!/usr/bin/env bash
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set -e
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if ! [[ "$1" =~ ^[0-9a-fA-F]{8}(-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}$ ]]; then
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echo "Error: expected single UDID argument. Usage: $0 XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX" >&2
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exit 1
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fi
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UDID=$1
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cd $(gdirname $(greadlink -f $0))
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reset="\e[0m"
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red="\e[31;1m"
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green="\e[32;1m"
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yellow="\e[33;1m"
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blue="\e[34;1m"
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cyan="\e[36;1m"
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if [ -n "$2" ]; then
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gtouch --date "$2" $UDID
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echo -e "\n${green}Started a $2 one-shot cleanup timer for device $cyan$UDID${reset}"
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exit 0
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fi
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echo -e "\n${green}Starting keep-alive for device $cyan$UDID${reset}"
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gtouch --date '30 seconds' $UDID
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last_print=0
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last_touch=$EPOCHSECONDS
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started=$EPOCHSECONDS
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function print_state() {
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if ! xcrun simctl list -je devices $UDID |
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jq -er '.devices[][] | "Current state: \u001b[32;1m" + .state + " \u001b[34m(" + .name + ", \u001b[35m" + .deviceTypeIdentifier + ", \u001b[36m" + .udid + "\u001b[34m)\u001b[0m"'; then
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echo -e "Current state: $cyan$UDID ${red}not found$reset"
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fi
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}
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while true; do
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if [[ $EPOCHSECONDS -gt $((last_touch + 10)) ]]; then
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last_touch=$EPOCHSECONDS
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gtouch --no-create --date '30 seconds' $UDID
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fi
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if [ ! -f $UDID ]; then
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echo -e "$cyan$UDID ${yellow}keep-alive file vanished${reset}"
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if xcrun simctl list -je devices $UDID | jq -e "any(.devices.[][]; .)" >/dev/null; then
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logdir="$(xcrun simctl list devices -je $UDID | jq '.devices[][0].logPath')"
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echo -e "$blue ... shutting down device${reset}"
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xcrun simctl shutdown $UDID
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print_state
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echo -e "$blue ... deleting device${reset}"
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xcrun simctl delete $UDID
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print_state
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if [ "$logdir" != "null" ] && [ -d "$logdir" ]; then
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echo -e "$blue ... deleting log directory $logdir${reset}"
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rm -rf "$logdir"
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fi
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else
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echo -e "\n${yellow}Device ${cyan}$UDID${yellow} no longer exists!${reset}"
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fi
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echo -e "\n${green}All done.${reset}"
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exit 0
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fi
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if [[ $EPOCHSECONDS -gt $((last_print + 30)) ]]; then
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last_print=$EPOCHSECONDS
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print_state
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fi
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if [[ $EPOCHSECONDS -gt $((started + 7200)) ]]; then
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echo -e "${red}2-hour timeout reached; exiting to allow cleanup${reset}"
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fi
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sleep 0.5
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done
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