Runner container hooks Beta (#1853)

* Added ability to run Dockerfile.SUFFIX ContainerAction

* Extracted IsDockerFile method

* reformatted, moved from index to Last()

* extracted IsDockerfile to DockerUtil with L0

* added check for IsDockerfile to account for docker://

* updated test to clearly show path/dockerfile:tag

* fail if Data.Image is not Dockerfile or docker://[image]

* Setup noops for JobPrepare and JobCleanup hooks

* Add container jobstarted and jobcomplete hooks

* Run 'index.js' instead of specific command hooks

* Call jobprepare with command arg

* Use right command name (hardcoded)

Co-authored-by: Nikola Jokic <[email protected]>

* Invoke hooks with arguments

* Add PrepareJob hook to work with jobcontainers

Co-authored-by: Nikola Jokic <[email protected]>

* Rename methods

* Use new hookcontainer to run prep and clean hooks

* Get path from ENV

* Use enums

* Use IOUtils.cs

* Move container files to folder

* Move namespaces

* Store "state" between hooks

* Remove stdin stream in containerstephosts

* Update Constants.cs

* Throw if stdin fails

* Cleanup obvious nullrefs and unused vars

* Cleanup containerhook directory

* Call step exec hook

* Fix windows build

* Remove hook from hookContainer

* Rename file

* More renamings

* Add TODOs

* Fix env name

* Fix missing imports

* Fix imports

* Run script step on jobcontainer

* Enable feature if env is set

* Update ContainerHookManager.cs

* Update ContainerHookManager.cs

* Hooks allowed to work even when context isn't returned

* Custom hooks enabled flag and additional null checks

* New line at the end of the FeatureFlagManager.cs

* Code refactoring

* Supported just in time container building or pulling

* Try mock-build for osx

* Build all platforms

* Run mock on self-hosted

* Remove GITHUB prefix

* Use ContainerHooksPath instead of CustomHooksPath

* Null checks simplified

* Code refactoring

* Changing condition for image builing/pulling

* Code refactoring

* TODO comment removed

Co-authored-by: Ferenc Hammerl <[email protected]>

* Call container step if FF is on

* Rename run script function

* Use JToken instead of dynamic

* Add TODO

* Small refactoring + renames + TODOs

* Throw on DetermineNodeRuntimeVersion

* Fix formatting

* Add run-container-step

* Supported nodeJS in Alpine containers

* Renamed Alpine to IsAlpine in HookResponse

* Method for checking platform for alpine container

* Added container hooks feature flag check

* Update IsHookFeatureEnabled with new params

* Rename featureflag method

* Finish rename

* Set collection null values to empty arrays when JSON serialising them

* Disable FF until we merge

* Update src/Runner.Worker/Container/ContainerHooks/HookContainer.cs

* Fix method name

* Change hookargs to superclass from interface

* Using only Path.Combine in GenerateResponsePath

* fix merge error

* EntryPointArgs changed to list of args instead of one args string

* Changed List to IEnumerable for EntryPointArgs and MountVolumes

* Get ContainerRuntimePath for JobContainers from hooks

* Read ContainerEnv from response file

* Port mappings saved after creating services

* Support case when responseFile doesn't exist

* Check if response file exists

* Logging in ExecuteHookScript

* Save hook state after all 4 hooks

* Code refactoring

* Remove TODO

Co-authored-by: Ferenc Hammerl <[email protected]>

* Remove second TODO

Co-authored-by: Ferenc Hammerl <[email protected]>

* Removing container env changes

* Removing containerEnv and dockerManager

* Delete mock-build.yml

* Update IOUtil.cs

* Add comment about containerhooks

* Fix merge mistake

* Remove solved todo

* Determine which shell to use for hooks scenario

* Overload for method ExecuteHookScript with prependPath as arg

* Adding HostContext to the GetDefaultShellForScript call

* prependPath as a mandatory parameter

* Improve logging for hooks

* Small changes in logging

* Allow null for ContainerEntryPointArgs

* Changed log messages

* Skip setting EntryPoint and EntryPointArgs if hooks are enabled

* Throw if IsAlpine is null in PrepareJob

* Code refactoring - added GetAndValidateResponse method

* Code refactoring

* Changes in exception message

* Only save hookState if returned

* Use FF from server

* Empty line

* Code refactoring

Co-authored-by: Ferenc Hammerl <[email protected]>

* Send null instead of string empty

* Remove TODO

* Code refactoring and some small changes

* Allow Globals to be null to pass L0

* Fix setup in StepHostL0

* Throw exception earlier if response file doesn't exist and prepare_job hook is running

* Refactoring GetResponse method

* Changing exception message if response file is not found

Co-authored-by: Ferenc Hammerl <[email protected]>

* Chaning exception message if isAlpine is null for prepare_job hook

* Rename hook folder

* Fail if compatible hookfile not found

* Use .Value instead of casting bool? to bool

* Format spacing

* Formatting

* User user and system mvs

* Use variables instead of entire context in featuremanager

* Update stepTelemetry if step uses containerhooks

* Restore  import

* Remove unneccessary field from HookContainer

* Refactor response context and portmappings

* Force allow hooks if FF is on

* Code refactoring

* Revert deleting usings

* Better hookContainer defaults and use correct portmapping list

* Make GetDefaultShellForScript a  HostContext extension method

* Generic hookresponse

* Code refactoring, unnecessary properties removed - HookContainer moved to the HookInput.cs

* Remove empty line

* Code refactoring and better exception handling

* code refactor, removing unnecessary props

* Move hookstate to global ContainerHookState

* Trace exception before we throw it for not losing information

* Fix for null ref exception in GetResponse

* Adding additional check for null response in prepareJob hook

* Refactoring GetResponse with additional check

* Update error messages

* Ports in ResponseContainer changed from IList to IDictionary

* Fix port format

* Include dockerfile

* Send null Registry obj if there's nothing in it

* Minor formatting

* Check if hookIndexPath exists relocated to the ContainerHookManager

* Code refactoring - ValidateHookExecutable added to the ContainerHookManager

* check if ContainerHooksPath when AllowRunnerContainerHooks is on

* Submit JSON telemetry instead of boolean

* Prefix step hooks with "run"

* Rename FeatureManager

* Fix flipped condition

* Unify js shell path getter with ps1 and sh getter

* Validate on run, not on instantiation of manager

* Cleanup ExecuteAsync methods

* Handle exception in executeHookScript

* Better exception types

* Remove comment

* Simplify boolean

* Allow jobs without jobContainer to run

* Use JObject instead of JToken

* Use correct Response type

* Format class to move cleanupJobAsync to the end of public methods

* Rename HookIndexPath to HookScriptPath

* Refactor methods into expression bodies

* Fix args class hierarchy

* Fix argument order

* Formatting

* Fix nullref and don't swallow stacktrace

* Whilelist HookArgs

* Use FF in FeatureManager

* Update src/Runner.Worker/ContainerOperationProvider.cs

Co-authored-by: Tingluo Huang <[email protected]>

* Update src/Runner.Worker/ActionRunner.cs

Co-authored-by: Thomas Boop <[email protected]>

* Update src/Runner.Worker/ActionRunner.cs

Co-authored-by: Thomas Boop <[email protected]>

* Only mount well known dirs to job containers

* Get trace from hostcontext

* Use hook execution for setting telemetry

Co-authored-by: Nikola Jokic <[email protected]>
Co-authored-by: Nikola Jokic <[email protected]>
Co-authored-by: Nikola Jokic <[email protected]>
Co-authored-by: Stefan Ruvceski <[email protected]>
Co-authored-by: ruvceskistefan <[email protected]>
Co-authored-by: Thomas Boop <[email protected]>
Co-authored-by: stefanruvceski <[email protected]>
Co-authored-by: Tingluo Huang <[email protected]>
Co-authored-by: Thomas Boop <[email protected]>
This commit is contained in:
Ferenc Hammerl
2022-06-10 13:51:20 +00:00
committed by GitHub
co-authored by Nikola Jokic Tingluo Huang Thomas Boop Nikola Jokic Nikola Jokic Stefan Ruvceski ruvceskistefan Thomas Boop stefanruvceski
parent ac7b34a071
commit 591f8c3510
24 changed files with 800 additions and 207 deletions
+128 -97
View File
@@ -1,7 +1,6 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.ServiceProcess;
using System.Threading.Tasks;
using System.Linq;
using System.Threading;
@@ -10,8 +9,12 @@ using GitHub.Services.Common;
using GitHub.Runner.Common;
using GitHub.Runner.Sdk;
using GitHub.DistributedTask.Pipelines.ContextData;
using Microsoft.Win32;
using GitHub.DistributedTask.Pipelines.ObjectTemplating;
using GitHub.Runner.Worker.Container.ContainerHooks;
#if OS_WINDOWS // keep win specific imports around even through we don't support containers on win at the moment
using System.ServiceProcess;
using Microsoft.Win32;
#endif
namespace GitHub.Runner.Worker
{
@@ -25,11 +28,13 @@ namespace GitHub.Runner.Worker
public class ContainerOperationProvider : RunnerService, IContainerOperationProvider
{
private IDockerCommandManager _dockerManager;
private IContainerHookManager _containerHookManager;
public override void Initialize(IHostContext hostContext)
{
base.Initialize(hostContext);
_dockerManager = HostContext.GetService<IDockerCommandManager>();
_containerHookManager = HostContext.GetService<IContainerHookManager>();
}
public async Task StartContainersAsync(IExecutionContext executionContext, object data)
@@ -50,72 +55,15 @@ namespace GitHub.Runner.Worker
executionContext.Debug($"Register post job cleanup for stopping/deleting containers.");
executionContext.RegisterPostJobStep(postJobStep);
// Check whether we are inside a container.
// Our container feature requires to map working directory from host to the container.
// If we are already inside a container, we will not able to find out the real working direcotry path on the host.
#if OS_WINDOWS
#pragma warning disable CA1416
// service CExecSvc is Container Execution Agent.
ServiceController[] scServices = ServiceController.GetServices();
if (scServices.Any(x => String.Equals(x.ServiceName, "cexecsvc", StringComparison.OrdinalIgnoreCase) && x.Status == ServiceControllerStatus.Running))
if (FeatureManager.IsContainerHooksEnabled(executionContext.Global.Variables))
{
throw new NotSupportedException("Container feature is not supported when runner is already running inside container.");
}
#pragma warning restore CA1416
#else
var initProcessCgroup = File.ReadLines("/proc/1/cgroup");
if (initProcessCgroup.Any(x => x.IndexOf(":/docker/", StringComparison.OrdinalIgnoreCase) >= 0))
{
throw new NotSupportedException("Container feature is not supported when runner is already running inside container.");
}
#endif
#if OS_WINDOWS
#pragma warning disable CA1416
// Check OS version (Windows server 1803 is required)
object windowsInstallationType = Registry.GetValue(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion", "InstallationType", defaultValue: null);
ArgUtil.NotNull(windowsInstallationType, nameof(windowsInstallationType));
object windowsReleaseId = Registry.GetValue(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion", "ReleaseId", defaultValue: null);
ArgUtil.NotNull(windowsReleaseId, nameof(windowsReleaseId));
executionContext.Debug($"Current Windows version: '{windowsReleaseId} ({windowsInstallationType})'");
if (int.TryParse(windowsReleaseId.ToString(), out int releaseId))
{
if (!windowsInstallationType.ToString().StartsWith("Server", StringComparison.OrdinalIgnoreCase) || releaseId < 1803)
{
throw new NotSupportedException("Container feature requires Windows Server 1803 or higher.");
}
}
else
{
throw new ArgumentOutOfRangeException(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ReleaseId");
}
#pragma warning restore CA1416
#endif
// Check docker client/server version
executionContext.Output("##[group]Checking docker version");
DockerVersion dockerVersion = await _dockerManager.DockerVersion(executionContext);
executionContext.Output("##[endgroup]");
ArgUtil.NotNull(dockerVersion.ServerVersion, nameof(dockerVersion.ServerVersion));
ArgUtil.NotNull(dockerVersion.ClientVersion, nameof(dockerVersion.ClientVersion));
#if OS_WINDOWS
Version requiredDockerEngineAPIVersion = new Version(1, 30); // Docker-EE version 17.6
#else
Version requiredDockerEngineAPIVersion = new Version(1, 35); // Docker-CE version 17.12
#endif
if (dockerVersion.ServerVersion < requiredDockerEngineAPIVersion)
{
throw new NotSupportedException($"Min required docker engine API server version is '{requiredDockerEngineAPIVersion}', your docker ('{_dockerManager.DockerPath}') server version is '{dockerVersion.ServerVersion}'");
}
if (dockerVersion.ClientVersion < requiredDockerEngineAPIVersion)
{
throw new NotSupportedException($"Min required docker engine API client version is '{requiredDockerEngineAPIVersion}', your docker ('{_dockerManager.DockerPath}') client version is '{dockerVersion.ClientVersion}'");
// Initialize the containers
containers.ForEach(container => UpdateRegistryAuthForGitHubToken(executionContext, container));
containers.Where(container => container.IsJobContainer).ForEach(container => MountWellKnownDirectories(executionContext, container));
await _containerHookManager.PrepareJobAsync(executionContext, containers);
return;
}
await AssertCompatibleOS(executionContext);
// Clean up containers left by previous runs
executionContext.Output("##[group]Clean up resources from previous jobs");
@@ -166,6 +114,12 @@ namespace GitHub.Runner.Worker
List<ContainerInfo> containers = data as List<ContainerInfo>;
ArgUtil.NotNull(containers, nameof(containers));
if (FeatureManager.IsContainerHooksEnabled(executionContext.Global.Variables))
{
await _containerHookManager.CleanupJobAsync(executionContext, containers);
return;
}
foreach (var container in containers)
{
await StopContainerAsync(executionContext, container);
@@ -238,35 +192,7 @@ namespace GitHub.Runner.Worker
if (container.IsJobContainer)
{
// Configure job container - Mount workspace and tools, set up environment, and start long running process
var githubContext = executionContext.ExpressionValues["github"] as GitHubContext;
ArgUtil.NotNull(githubContext, nameof(githubContext));
var workingDirectory = githubContext["workspace"] as StringContextData;
ArgUtil.NotNullOrEmpty(workingDirectory, nameof(workingDirectory));
container.MountVolumes.Add(new MountVolume(HostContext.GetDirectory(WellKnownDirectory.Work), container.TranslateToContainerPath(HostContext.GetDirectory(WellKnownDirectory.Work))));
#if OS_WINDOWS
container.MountVolumes.Add(new MountVolume(HostContext.GetDirectory(WellKnownDirectory.Externals), container.TranslateToContainerPath(HostContext.GetDirectory(WellKnownDirectory.Externals))));
#else
container.MountVolumes.Add(new MountVolume(HostContext.GetDirectory(WellKnownDirectory.Externals), container.TranslateToContainerPath(HostContext.GetDirectory(WellKnownDirectory.Externals)), true));
#endif
container.MountVolumes.Add(new MountVolume(HostContext.GetDirectory(WellKnownDirectory.Temp), container.TranslateToContainerPath(HostContext.GetDirectory(WellKnownDirectory.Temp))));
container.MountVolumes.Add(new MountVolume(HostContext.GetDirectory(WellKnownDirectory.Actions), container.TranslateToContainerPath(HostContext.GetDirectory(WellKnownDirectory.Actions))));
container.MountVolumes.Add(new MountVolume(HostContext.GetDirectory(WellKnownDirectory.Tools), container.TranslateToContainerPath(HostContext.GetDirectory(WellKnownDirectory.Tools))));
var tempHomeDirectory = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Temp), "_github_home");
Directory.CreateDirectory(tempHomeDirectory);
container.MountVolumes.Add(new MountVolume(tempHomeDirectory, "/github/home"));
container.AddPathTranslateMapping(tempHomeDirectory, "/github/home");
container.ContainerEnvironmentVariables["HOME"] = container.TranslateToContainerPath(tempHomeDirectory);
var tempWorkflowDirectory = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Temp), "_github_workflow");
Directory.CreateDirectory(tempWorkflowDirectory);
container.MountVolumes.Add(new MountVolume(tempWorkflowDirectory, "/github/workflow"));
container.AddPathTranslateMapping(tempWorkflowDirectory, "/github/workflow");
container.ContainerWorkDirectory = container.TranslateToContainerPath(workingDirectory);
container.ContainerEntryPoint = "tail";
container.ContainerEntryPointArgs = "\"-f\" \"/dev/null\"";
MountWellKnownDirectories(executionContext, container);
}
container.ContainerId = await _dockerManager.DockerCreate(executionContext, container);
@@ -329,6 +255,42 @@ namespace GitHub.Runner.Worker
executionContext.Output("##[endgroup]");
}
private void MountWellKnownDirectories(IExecutionContext executionContext, ContainerInfo container)
{
// Configure job container - Mount workspace and tools, set up environment, and start long running process
var githubContext = executionContext.ExpressionValues["github"] as GitHubContext;
ArgUtil.NotNull(githubContext, nameof(githubContext));
var workingDirectory = githubContext["workspace"] as StringContextData;
ArgUtil.NotNullOrEmpty(workingDirectory, nameof(workingDirectory));
container.MountVolumes.Add(new MountVolume(HostContext.GetDirectory(WellKnownDirectory.Work), container.TranslateToContainerPath(HostContext.GetDirectory(WellKnownDirectory.Work))));
#if OS_WINDOWS
container.MountVolumes.Add(new MountVolume(HostContext.GetDirectory(WellKnownDirectory.Externals), container.TranslateToContainerPath(HostContext.GetDirectory(WellKnownDirectory.Externals))));
#else
container.MountVolumes.Add(new MountVolume(HostContext.GetDirectory(WellKnownDirectory.Externals), container.TranslateToContainerPath(HostContext.GetDirectory(WellKnownDirectory.Externals)), true));
#endif
container.MountVolumes.Add(new MountVolume(HostContext.GetDirectory(WellKnownDirectory.Temp), container.TranslateToContainerPath(HostContext.GetDirectory(WellKnownDirectory.Temp))));
container.MountVolumes.Add(new MountVolume(HostContext.GetDirectory(WellKnownDirectory.Actions), container.TranslateToContainerPath(HostContext.GetDirectory(WellKnownDirectory.Actions))));
container.MountVolumes.Add(new MountVolume(HostContext.GetDirectory(WellKnownDirectory.Tools), container.TranslateToContainerPath(HostContext.GetDirectory(WellKnownDirectory.Tools))));
var tempHomeDirectory = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Temp), "_github_home");
Directory.CreateDirectory(tempHomeDirectory);
container.MountVolumes.Add(new MountVolume(tempHomeDirectory, "/github/home"));
container.AddPathTranslateMapping(tempHomeDirectory, "/github/home");
container.ContainerEnvironmentVariables["HOME"] = container.TranslateToContainerPath(tempHomeDirectory);
var tempWorkflowDirectory = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Temp), "_github_workflow");
Directory.CreateDirectory(tempWorkflowDirectory);
container.MountVolumes.Add(new MountVolume(tempWorkflowDirectory, "/github/workflow"));
container.AddPathTranslateMapping(tempWorkflowDirectory, "/github/workflow");
container.ContainerWorkDirectory = container.TranslateToContainerPath(workingDirectory);
if (!FeatureManager.IsContainerHooksEnabled(executionContext.Global.Variables))
{
container.ContainerEntryPoint = "tail";
container.ContainerEntryPointArgs = "\"-f\" \"/dev/null\"";
}
}
private async Task StopContainerAsync(IExecutionContext executionContext, ContainerInfo container)
{
Trace.Entering();
@@ -337,11 +299,11 @@ namespace GitHub.Runner.Worker
if (!string.IsNullOrEmpty(container.ContainerId))
{
if(!container.IsJobContainer)
if (!container.IsJobContainer)
{
// Print logs for service container jobs (not the "action" job itself b/c that's already logged).
executionContext.Output($"Print service container logs: {container.ContainerDisplayName}");
int logsExitCode = await _dockerManager.DockerLogs(executionContext, container.ContainerId);
if (logsExitCode != 0)
{
@@ -522,5 +484,74 @@ namespace GitHub.Runner.Worker
container.RegistryAuthPassword = executionContext.GetGitHubContext("token");
}
}
private async Task AssertCompatibleOS(IExecutionContext executionContext)
{
// Check whether we are inside a container.
// Our container feature requires to map working directory from host to the container.
// If we are already inside a container, we will not able to find out the real working direcotry path on the host.
#if OS_WINDOWS
#pragma warning disable CA1416
// service CExecSvc is Container Execution Agent.
ServiceController[] scServices = ServiceController.GetServices();
if (scServices.Any(x => String.Equals(x.ServiceName, "cexecsvc", StringComparison.OrdinalIgnoreCase) && x.Status == ServiceControllerStatus.Running))
{
throw new NotSupportedException("Container feature is not supported when runner is already running inside container.");
}
#pragma warning restore CA1416
#else
var initProcessCgroup = File.ReadLines("/proc/1/cgroup");
if (initProcessCgroup.Any(x => x.IndexOf(":/docker/", StringComparison.OrdinalIgnoreCase) >= 0))
{
throw new NotSupportedException("Container feature is not supported when runner is already running inside container.");
}
#endif
#if OS_WINDOWS
#pragma warning disable CA1416
// Check OS version (Windows server 1803 is required)
object windowsInstallationType = Registry.GetValue(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion", "InstallationType", defaultValue: null);
ArgUtil.NotNull(windowsInstallationType, nameof(windowsInstallationType));
object windowsReleaseId = Registry.GetValue(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion", "ReleaseId", defaultValue: null);
ArgUtil.NotNull(windowsReleaseId, nameof(windowsReleaseId));
executionContext.Debug($"Current Windows version: '{windowsReleaseId} ({windowsInstallationType})'");
if (int.TryParse(windowsReleaseId.ToString(), out int releaseId))
{
if (!windowsInstallationType.ToString().StartsWith("Server", StringComparison.OrdinalIgnoreCase) || releaseId < 1803)
{
throw new NotSupportedException("Container feature requires Windows Server 1803 or higher.");
}
}
else
{
throw new ArgumentOutOfRangeException(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ReleaseId");
}
#pragma warning restore CA1416
#endif
// Check docker client/server version
executionContext.Output("##[group]Checking docker version");
DockerVersion dockerVersion = await _dockerManager.DockerVersion(executionContext);
executionContext.Output("##[endgroup]");
ArgUtil.NotNull(dockerVersion.ServerVersion, nameof(dockerVersion.ServerVersion));
ArgUtil.NotNull(dockerVersion.ClientVersion, nameof(dockerVersion.ClientVersion));
#if OS_WINDOWS
Version requiredDockerEngineAPIVersion = new Version(1, 30); // Docker-EE version 17.6
#else
Version requiredDockerEngineAPIVersion = new Version(1, 35); // Docker-CE version 17.12
#endif
if (dockerVersion.ServerVersion < requiredDockerEngineAPIVersion)
{
throw new NotSupportedException($"Min required docker engine API server version is '{requiredDockerEngineAPIVersion}', your docker ('{_dockerManager.DockerPath}') server version is '{dockerVersion.ServerVersion}'");
}
if (dockerVersion.ClientVersion < requiredDockerEngineAPIVersion)
{
throw new NotSupportedException($"Min required docker engine API client version is '{requiredDockerEngineAPIVersion}', your docker ('{_dockerManager.DockerPath}') client version is '{dockerVersion.ClientVersion}'");
}
}
}
}