forked from lix-project/lix
Add 'nix eval-hydra-jobs' command
This commit is contained in:
parent
46a284263f
commit
e375da6899
191
src/nix/eval-hydra-jobs.cc
Normal file
191
src/nix/eval-hydra-jobs.cc
Normal file
|
@ -0,0 +1,191 @@
|
|||
#include "command.hh"
|
||||
#include "eval.hh"
|
||||
#include "eval-inline.hh"
|
||||
#include "derivations.hh"
|
||||
#include "common-args.hh"
|
||||
#include "json.hh"
|
||||
#include "get-drvs.hh"
|
||||
|
||||
using namespace nix;
|
||||
|
||||
static std::string queryMetaStrings(EvalState & state, DrvInfo & drv, const string & name, const string & subAttribute)
|
||||
{
|
||||
Strings res;
|
||||
std::function<void(Value & v)> rec;
|
||||
|
||||
rec = [&](Value & v) {
|
||||
state.forceValue(v);
|
||||
if (v.type == tString)
|
||||
res.push_back(v.string.s);
|
||||
else if (v.isList())
|
||||
for (unsigned int n = 0; n < v.listSize(); ++n)
|
||||
rec(*v.listElems()[n]);
|
||||
else if (v.type == tAttrs) {
|
||||
auto a = v.attrs->find(state.symbols.create(subAttribute));
|
||||
if (a != v.attrs->end())
|
||||
res.push_back(state.forceString(*a->value));
|
||||
}
|
||||
};
|
||||
|
||||
Value * v = drv.queryMeta(name);
|
||||
if (v) rec(*v);
|
||||
|
||||
return concatStringsSep(", ", res);
|
||||
}
|
||||
|
||||
struct CmdEvalHydraJobs : MixJSON, MixDryRun, InstallableCommand
|
||||
{
|
||||
std::optional<Path> gcRootsDir;
|
||||
|
||||
CmdEvalHydraJobs()
|
||||
{
|
||||
mkFlag()
|
||||
.longName("gc-roots-dir")
|
||||
.description("garbage collector roots directory")
|
||||
.labels({"path"})
|
||||
.dest(&gcRootsDir);
|
||||
}
|
||||
|
||||
std::string description() override
|
||||
{
|
||||
return "evaluate a Hydra jobset";
|
||||
}
|
||||
|
||||
Examples examples() override
|
||||
{
|
||||
return {
|
||||
Example{
|
||||
"Evaluate Nixpkgs' release-combined jobset:",
|
||||
"nix eval-hydra-jobs -f '<nixpkgs/nixos/release-combined.nix>' '' --json"
|
||||
},
|
||||
};
|
||||
}
|
||||
|
||||
void run(ref<Store> store) override
|
||||
{
|
||||
auto state = getEvalState();
|
||||
|
||||
if (!gcRootsDir) warn("'--gc-roots-dir' not specified");
|
||||
|
||||
if (dryRun) settings.readOnlyMode = true;
|
||||
|
||||
/* Prevent access to paths outside of the Nix search path and
|
||||
to the environment. */
|
||||
evalSettings.restrictEval = true;
|
||||
|
||||
auto v = installable->toValue(*state).first;
|
||||
|
||||
auto jsonObj = json ? std::make_unique<JSONObject>(std::cout, true) : nullptr;
|
||||
|
||||
std::function<void(Value & vIn, const string & attrPath)> findJobs;
|
||||
|
||||
auto autoArgs = getAutoArgs(*state);
|
||||
|
||||
findJobs = [&](Value & vIn, const string & attrPath)
|
||||
{
|
||||
try {
|
||||
Activity act(*logger, lvlInfo, actUnknown, fmt("evaluating '%s'", attrPath));
|
||||
|
||||
checkInterrupt();
|
||||
|
||||
auto v = state->allocValue();
|
||||
state->autoCallFunction(*autoArgs, vIn, *v);
|
||||
|
||||
if (v->type == tAttrs) {
|
||||
auto drv = getDerivation(*state, *v, false);
|
||||
|
||||
if (drv) {
|
||||
|
||||
DrvInfo::Outputs outputs = drv->queryOutputs();
|
||||
|
||||
if (drv->querySystem() == "unknown")
|
||||
throw EvalError("derivation must have a 'system' attribute");
|
||||
|
||||
auto drvPath = drv->queryDrvPath();
|
||||
|
||||
if (jsonObj) {
|
||||
auto res = jsonObj->object(attrPath);
|
||||
res.attr("nixName", drv->queryName());
|
||||
res.attr("system", drv->querySystem());
|
||||
res.attr("drvPath", drvPath);
|
||||
res.attr("description", drv->queryMetaString("description"));
|
||||
res.attr("license", queryMetaStrings(*state, *drv, "license", "shortName"));
|
||||
res.attr("homepage", drv->queryMetaString("homepage"));
|
||||
res.attr("maintainers", queryMetaStrings(*state, *drv, "maintainers", "email"));
|
||||
res.attr("schedulingPriority", drv->queryMetaInt("schedulingPriority", 100));
|
||||
res.attr("timeout", drv->queryMetaInt("timeout", 36000));
|
||||
res.attr("maxSilent", drv->queryMetaInt("maxSilent", 7200));
|
||||
res.attr("isChannel", drv->queryMetaBool("isHydraChannel", false));
|
||||
|
||||
/* If this is an aggregate, then get its constituents. */
|
||||
auto a = v->attrs->get(state->symbols.create("_hydraAggregate"));
|
||||
if (a && state->forceBool(*a->value, *a->pos)) {
|
||||
auto a = v->attrs->get(state->symbols.create("constituents"));
|
||||
if (!a)
|
||||
throw EvalError("derivation must have a ‘constituents’ attribute");
|
||||
PathSet context;
|
||||
state->coerceToString(*a->pos, *a->value, context, true, false);
|
||||
PathSet drvs;
|
||||
for (auto & i : context)
|
||||
if (i.at(0) == '!') {
|
||||
size_t index = i.find("!", 1);
|
||||
drvs.insert(string(i, index + 1));
|
||||
}
|
||||
res.attr("constituents", concatStringsSep(" ", drvs));
|
||||
}
|
||||
|
||||
/* Register the derivation as a GC root. !!! This
|
||||
registers roots for jobs that we may have already
|
||||
done. */
|
||||
auto localStore = state->store.dynamic_pointer_cast<LocalFSStore>();
|
||||
if (gcRootsDir && localStore) {
|
||||
Path root = *gcRootsDir + "/" + std::string(baseNameOf(drvPath));
|
||||
if (!pathExists(root))
|
||||
localStore->addPermRoot(localStore->parseStorePath(drvPath), root, false);
|
||||
}
|
||||
|
||||
auto res2 = res.object("outputs");
|
||||
for (auto & j : outputs)
|
||||
res2.attr(j.first, j.second);
|
||||
} else
|
||||
std::cout << fmt("%d: %d\n", attrPath, drvPath);
|
||||
|
||||
}
|
||||
|
||||
else {
|
||||
if (!state->isDerivation(*v)) {
|
||||
for (auto & i : v->attrs->lexicographicOrder()) {
|
||||
std::string name(i->name);
|
||||
|
||||
/* Skip jobs with dots in the name. */
|
||||
if (name.find('.') != std::string::npos) {
|
||||
printError("skipping job with illegal name '%s'", name);
|
||||
continue;
|
||||
}
|
||||
|
||||
findJobs(*i->value, (attrPath.empty() ? "" : attrPath + ".") + name);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
else if (v->type == tNull) {
|
||||
// allow null values, meaning 'do nothing'
|
||||
}
|
||||
|
||||
else
|
||||
throw TypeError("unsupported value: %s", *v);
|
||||
|
||||
} catch (EvalError & e) {
|
||||
if (jsonObj)
|
||||
jsonObj->object(attrPath).attr("error", filterANSIEscapes(e.msg(), true));
|
||||
else
|
||||
printError("in job '%s': %s", attrPath, e.what());
|
||||
}
|
||||
};
|
||||
|
||||
findJobs(*v, "");
|
||||
}
|
||||
};
|
||||
|
||||
static auto r1 = registerCommand<CmdEvalHydraJobs>("eval-hydra-jobs");
|
Loading…
Reference in a new issue