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Keep track of requiredSystemFeatures in the machine stats

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For example, steps that require the "kvm" feature may require a
different kind of machine to be provisioned. This can also be used to
require performance-sensitive tests to run on a particular kind of
machine, e.g., by setting requiredSystemFeatures to something like
"ec2-i2.8xlarge".
This commit is contained in:
Eelco Dolstra 2015-08-17 14:37:57 +02:00
parent a6e3cb53b9
commit ea1eb2e3fb
3 changed files with 11 additions and 6 deletions
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10
src/hydra-queue-runner/dispatcher.cc
View file

@ -158,7 +158,7 @@ system_time State::doDispatch()
++i;
runnablePerType[step->drv.platform]++;
runnablePerType[step->systemType]++;
/* Skip previously failed steps that aren't ready
to be retried. */
@ -219,8 +219,8 @@ system_time State::doDispatch()
break;
} else ++i;
assert(removed);
assert(runnablePerType[step->drv.platform]);
runnablePerType[step->drv.platform]--;
assert(runnablePerType[step->systemType]);
runnablePerType[step->systemType]--;
}
/* Make a slot reservation and start a thread to
@ -291,7 +291,7 @@ State::MachineReservation::MachineReservation(State & state, Step::ptr step, Mac
{
auto machineTypes_(state.machineTypes.lock());
(*machineTypes_)[step->drv.platform].running++;
(*machineTypes_)[step->systemType].running++;
}
}
@ -305,7 +305,7 @@ State::MachineReservation::~MachineReservation()
{
auto machineTypes_(state.machineTypes.lock());
auto & machineType = (*machineTypes_)[step->drv.platform];
auto & machineType = (*machineTypes_)[step->systemType];
assert(machineType.running);
machineType.running--;
if (machineType.running == 0)

6
src/hydra-queue-runner/queue-monitor.cc
View file

@ -359,10 +359,14 @@ Step::ptr State::createStep(std::shared_ptr<StoreAPI> store, const Path & drvPat
it's not runnable yet, and other threads won't make it
runnable while step->created == false. */
step->drv = readDerivation(drvPath);
step->systemType = step->drv.platform;
{
auto i = step->drv.env.find("requiredSystemFeatures");
if (i != step->drv.env.end())
if (i != step->drv.env.end()) {
step->requiredSystemFeatures = tokenizeString<std::set<std::string>>(i->second);
step->systemType += ":";
step->systemType += concatStringsSep(",", step->requiredSystemFeatures);
}
}
auto attr = step->drv.env.find("preferLocalBuild");

1
src/hydra-queue-runner/state.hh
View file

@ -135,6 +135,7 @@ struct Step
nix::Derivation drv;
std::set<std::string> requiredSystemFeatures;
bool preferLocalBuild;
std::string systemType; // concatenation of drv.platform and requiredSystemFeatures
struct State
{