mirror of
https://github.com/actions/runner.git
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221 lines
9.6 KiB
Bash
Executable File
221 lines
9.6 KiB
Bash
Executable File
#!/bin/bash
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# runner will replace key words in the template and generate a batch script to run.
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# Keywords:
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# PROCESSID = pid
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# RUNNERPROCESSNAME = Runner.Listener[.exe]
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# ROOTFOLDER = ./
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# EXISTRUNNERVERSION = 2.100.0
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# DOWNLOADRUNNERVERSION = 2.101.0
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# UPDATELOG = _diag/SelfUpdate-UTC.log
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# RESTARTINTERACTIVERUNNER = 0/1
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runnerpid=_PROCESS_ID_
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runnerprocessname=_RUNNER_PROCESS_NAME_
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rootfolder="_ROOT_FOLDER_"
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existrunnerversion=_EXIST_RUNNER_VERSION_
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downloadrunnerversion=_DOWNLOAD_RUNNER_VERSION_
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logfile="_UPDATE_LOG_"
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restartinteractiverunner=_RESTART_INTERACTIVE_RUNNER_
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telemetryfile="$rootfolder/_diag/.telemetry"
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# log user who run the script
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date "+[%F %T-%4N] --------whoami--------" >> "$logfile" 2>&1
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whoami >> "$logfile" 2>&1
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date "+[%F %T-%4N] --------whoami--------" >> "$logfile" 2>&1
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# wait for runner process to exit.
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date "+[%F %T-%4N] Waiting for $runnerprocessname ($runnerpid) to complete" >> "$logfile" 2>&1
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while [ -e /proc/$runnerpid ]
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do
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date "+[%F %T-%4N] Process $runnerpid still running" >> "$logfile" 2>&1
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"$rootfolder"/safe_sleep.sh 2
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done
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date "+[%F %T-%4N] Process $runnerpid finished running" >> "$logfile" 2>&1
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# start re-organize folders
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date "+[%F %T-%4N] Sleep 1 more second to make sure process exited" >> "$logfile" 2>&1
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"$rootfolder"/safe_sleep.sh 1
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# the folder structure under runner root will be
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# ./bin -> bin.2.100.0 (junction folder)
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# ./externals -> externals.2.100.0 (junction folder)
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# ./bin.2.100.0
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# ./externals.2.100.0
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# ./bin.2.99.0
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# ./externals.2.99.0
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# by using the juction folder we can avoid file in use problem.
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# if the bin/externals junction point already exist, we just need to delete the juction point then re-create to point to new bin/externals folder.
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# if the bin/externals still are real folders, we need to rename the existing folder to bin.version format then create junction point to new bin/externals folder.
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# check bin folder
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if [[ -L "$rootfolder/bin" && -d "$rootfolder/bin" ]]
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then
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# return code 0 means it find a bin folder that is a junction folder
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# we just need to delete the junction point.
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date "+[%F %T-%4N] Delete existing junction bin folder" >> "$logfile"
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rm "$rootfolder/bin" >> "$logfile"
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if [ $? -ne 0 ]
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then
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date "+[%F %T-%4N] Can't delete existing junction bin folder" >> "$logfile"
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mv -fv "$logfile" "$logfile.failed"
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exit 1
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fi
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else
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# otherwise, we need to move the current bin folder to bin.2.99.0 folder.
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date "+[%F %T-%4N] move $rootfolder/bin $rootfolder/bin.$existrunnerversion" >> "$logfile" 2>&1
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mv -fv "$rootfolder/bin" "$rootfolder/bin.$existrunnerversion" >> "$logfile" 2>&1
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if [ $? -ne 0 ]
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then
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date "+[%F %T-%4N] Can't move $rootfolder/bin to $rootfolder/bin.$existrunnerversion" >> "$logfile" 2>&1
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mv -fv "$logfile" "$logfile.failed"
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exit 1
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fi
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fi
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# check externals folder
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if [[ -L "$rootfolder/externals" && -d "$rootfolder/externals" ]]
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then
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# the externals folder is already a junction folder
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# we just need to delete the junction point.
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date "+[%F %T-%4N] Delete existing junction externals folder" >> "$logfile"
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rm "$rootfolder/externals" >> "$logfile"
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if [ $? -ne 0 ]
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then
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date "+[%F %T-%4N] Can't delete existing junction externals folder" >> "$logfile"
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mv -fv "$logfile" "$logfile.failed"
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exit 1
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fi
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else
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# otherwise, we need to move the current externals folder to externals.2.99.0 folder.
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date "+[%F %T-%4N] move $rootfolder/externals $rootfolder/externals.$existrunnerversion" >> "$logfile" 2>&1
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mv -fv "$rootfolder/externals" "$rootfolder/externals.$existrunnerversion" >> "$logfile" 2>&1
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if [ $? -ne 0 ]
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then
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date "+[%F %T-%4N] Can't move $rootfolder/externals to $rootfolder/externals.$existrunnerversion" >> "$logfile" 2>&1
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mv -fv "$logfile" "$logfile.failed"
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exit 1
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fi
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fi
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# create junction bin folder
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date "+[%F %T-%4N] Create junction bin folder" >> "$logfile" 2>&1
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ln -s "$rootfolder/bin.$downloadrunnerversion" "$rootfolder/bin" >> "$logfile" 2>&1
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if [ $? -ne 0 ]
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then
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date "+[%F %T-%4N] Can't create junction bin folder" >> "$logfile" 2>&1
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mv -fv "$logfile" "$logfile.failed"
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exit 1
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fi
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# create junction externals folder
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date "+[%F %T-%4N] Create junction externals folder" >> "$logfile" 2>&1
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ln -s "$rootfolder/externals.$downloadrunnerversion" "$rootfolder/externals" >> "$logfile" 2>&1
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if [ $? -ne 0 ]
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then
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date "+[%F %T-%4N] Can't create junction externals folder" >> "$logfile" 2>&1
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mv -fv "$logfile" "$logfile.failed"
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exit 1
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fi
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# fix upgrade issue with macOS when running as a service
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attemptedtargetedfix=0
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currentplatform=$(uname | awk '{print tolower($0)}')
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if [[ "$currentplatform" == 'darwin' && $restartinteractiverunner -eq 0 ]]; then
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# We needed a fix for https://github.com/actions/runner/issues/743
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# We will recreate the ./externals/nodeXY/bin/node of the past runner version that launched the runnerlistener service
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# Otherwise mac gatekeeper kills the processes we spawn on creation as we are running a process with no backing file
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# We need the pid for the nodejs loop, get that here, its the parent of the runner C# pid
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# assumption here is only one process is invoking rootfolder/runsvc.sh
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procgroup=$(ps x -o pgid,command | grep "$rootfolder/runsvc.sh" | grep -v grep | awk '{print $1}')
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if [[ $? -eq 0 && -n "$procgroup" ]]
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then
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# inspect the open file handles to find the node process
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# we can't actually inspect the process using ps because it uses relative paths and doesn't follow symlinks
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# Try finding node24 first, then fallback to earlier versions if needed
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nodever="node24"
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path=$(lsof -a -g "$procgroup" -F n | grep $nodever/bin/node | grep externals | tail -1 | cut -c2-)
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if [[ $? -ne 0 || -z "$path" ]] # Fallback if RunnerService.js was started with node20
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then
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nodever="node20"
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path=$(lsof -a -g "$procgroup" -F n | grep $nodever/bin/node | grep externals | tail -1 | cut -c2-)
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if [[ $? -ne 0 || -z "$path" ]] # Fallback if RunnerService.js was started with node16
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then
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nodever="node16"
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path=$(lsof -a -g "$procgroup" -F n | grep $nodever/bin/node | grep externals | tail -1 | cut -c2-)
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if [[ $? -ne 0 || -z "$path" ]] # Fallback if RunnerService.js was started with node12
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then
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nodever="node12"
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path=$(lsof -a -g "$procgroup" -F n | grep $nodever/bin/node | grep externals | tail -1 | cut -c2-)
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fi
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fi
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fi
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if [[ $? -eq 0 && -n "$path" ]]
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then
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# trim the last 5 characters of the path '/node'
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trimmedpath=$(dirname "$path")
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if [[ $? -eq 0 && -n "$trimmedpath" ]]
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then
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attemptedtargetedfix=1
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# Create the path if it does not exist
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if [[ ! -e "$path" ]]
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then
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date "+[%F %T-%4N] Creating fallback node at path $path" >> "$logfile" 2>&1
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mkdir -p "$trimmedpath"
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cp "$rootfolder/externals/$nodever/bin/node" "$path"
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else
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date "+[%F %T-%4N] Path for fallback node exists, skipping creating $path" >> "$logfile" 2>&1
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fi
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else
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date "+[%F %T-%4N] DarwinRunnerUpgrade: Failed to trim runner path. TrimmedPath: $trimmedpath, path: $path, pgid: $procgroup, root: $rootfolder" >> "$logfile" 2>&1
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date "+[%F %T-%4N] DarwinRunnerUpgrade: Failed to trim runner path. TrimmedPath: $trimmedpath, path: $path, pgid: $procgroup, root: $rootfolder" >> "$telemetryfile" 2>&1
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fi
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else
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date "+[%F %T-%4N] DarwinRunnerUpgrade: Failed to find runner path. Path: $path, pgid: $procgroup, root: $rootfolder" >> "$logfile" 2>&1
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date "+[%F %T-%4N] DarwinRunnerUpgrade: Failed to find runner path. Path: $path, pgid: $procgroup, root: $rootfolder" >> "$telemetryfile" 2>&1
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fi
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else
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runproc=$(ps x -o pgid,command | grep "run.sh" | grep -v grep | awk '{print $1}')
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if [[ $? -eq 0 && -n "$runproc" ]]
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then
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date "+[%F %T-%4N] Running as ephemeral using run.sh, no need to recreate node folder" >> "$logfile" 2>&1
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else
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date "+[%F %T-%4N] DarwinRunnerUpgrade: Failed to find runner pgid. pgid: $procgroup, root: $rootfolder" >> "$logfile" 2>&1
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date "+[%F %T-%4N] DarwinRunnerUpgrade: Failed to find runner pgid. pgid: $procgroup, root: $rootfolder" >> "$telemetryfile" 2>&1
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fi
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fi
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fi
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# update runsvc.sh
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if [ -f "$rootfolder/runsvc.sh" ]
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then
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date "+[%F %T-%4N] Update runsvc.sh" >> "$logfile" 2>&1
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cat "$rootfolder/bin/runsvc.sh" > "$rootfolder/runsvc.sh"
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if [ $? -ne 0 ]
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then
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date "+[%F %T-%4N] Can't update $rootfolder/runsvc.sh using $rootfolder/bin/runsvc.sh" >> "$logfile" 2>&1
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mv -fv "$logfile" "$logfile.failed"
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exit 1
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fi
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fi
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date "+[%F %T-%4N] Update succeed" >> "$logfile"
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touch update.finished
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date "+[%F %T-%4N] update.finished file creation succeed" >> "$logfile"
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# rename the update log file with %logfile%.succeed/.failed/succeedneedrestart
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# runner service host can base on the log file name determin the result of the runner update
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date "+[%F %T-%4N] Rename $logfile to be $logfile.succeed" >> "$logfile" 2>&1
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mv -fv "$logfile" "$logfile.succeed" >> "$logfile" 2>&1
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# restart interactive runner if needed
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if [ $restartinteractiverunner -ne 0 ]
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then
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date "+[%F %T-%4N] Restarting interactive runner" >> "$logfile.succeed" 2>&1
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"$rootfolder/run.sh" &
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fi
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