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Merge branch 'master' of https://github.com/alekswn/nix

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This commit is contained in:
Eelco Dolstra 2021-10-29 14:42:26 +02:00
parent 0d00dd6262 e989c83b44
commit 6e30d9b69f
7 changed files with 254 additions and 33 deletions
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1
src/libstore/build/entry-points.cc
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@ -1,4 +1,3 @@
#include "machines.hh"
#include "worker.hh"
#include "substitution-goal.hh"
#include "derivation-goal.hh"

74
src/libstore/machines.cc
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@ -83,53 +83,83 @@ ref<Store> Machine::openStore() const {
return nix::openStore(storeUri, storeParams);
}
void parseMachines(const std::string & s, Machines & machines)
{
for (auto line : tokenizeString<std::vector<string>>(s, "\n;")) {
static std::vector<std::string> expandBuilderLines(const std::string& builders) {
std::vector<std::string> result;
for (auto line : tokenizeString<std::vector<string>>(builders, "\n;")) {
trim(line);
line.erase(std::find(line.begin(), line.end(), '#'), line.end());
if (line.empty()) continue;
if (line[0] == '@') {
auto file = trim(std::string(line, 1));
const std::string path = trim(std::string(line, 1));
std::string text;
try {
parseMachines(readFile(file), machines);
text = readFile(path);
} catch (const SysError & e) {
if (e.errNo != ENOENT)
throw;
debug("cannot find machines file '%s'", file);
debug("cannot find machines file '%s'", path);
}
const auto lines = expandBuilderLines(text);
result.insert(end(result), begin(lines), end(lines));
continue;
}
auto tokens = tokenizeString<std::vector<string>>(line);
auto sz = tokens.size();
if (sz < 1)
throw FormatError("bad machine specification '%s'", line);
result.emplace_back(line);
}
return result;
}
auto isSet = [&](size_t n) {
return tokens.size() > n && tokens[n] != "" && tokens[n] != "-";
static Machine parseBuilderLine(const std::string& line) {
const auto tokens = tokenizeString<std::vector<string>>(line);
auto isSet = [&](size_t fieldIndex) {
return tokens.size() > fieldIndex && tokens[fieldIndex] != "" && tokens[fieldIndex] != "-";
};
machines.emplace_back(tokens[0],
auto parseUnsignedIntField = [&](size_t fieldIndex) {
const auto result = string2Int<unsigned int>(tokens[fieldIndex]);
if (!result) {
throw FormatError("bad machine specification: failed to convert column #%lu in a row: '%s' to 'unsigned int'", fieldIndex, line);
}
return result.value();
};
auto ensureBase64 = [&](size_t fieldIndex) {
const auto& str = tokens[fieldIndex];
try {
base64Decode(str);
} catch (const Error& e) {
throw FormatError("bad machine specification: a column #%lu in a row: '%s' is not valid base64 string: %s", fieldIndex, line, e.what());
}
return str;
};
if (!isSet(0)) {
throw FormatError("bad machine specification: store URI was not found at the first column of a row: '%s'", line);
}
return {tokens[0],
isSet(1) ? tokenizeString<std::vector<string>>(tokens[1], ",") : std::vector<string>{settings.thisSystem},
isSet(2) ? tokens[2] : "",
isSet(3) ? std::stoull(tokens[3]) : 1LL,
isSet(4) ? std::stoull(tokens[4]) : 1LL,
isSet(3) ? parseUnsignedIntField(3) : 1U,
isSet(4) ? parseUnsignedIntField(4) : 1U,
isSet(5) ? tokenizeString<std::set<string>>(tokens[5], ",") : std::set<string>{},
isSet(6) ? tokenizeString<std::set<string>>(tokens[6], ",") : std::set<string>{},
isSet(7) ? tokens[7] : "");
isSet(7) ? ensureBase64(7) : ""};
}
static Machines parseBuilderLines(const std::vector<std::string>& builders) {
Machines result;
std::transform(builders.begin(), builders.end(), std::back_inserter(result), parseBuilderLine);
return result;
}
Machines getMachines()
{
static auto machines = [&]() {
Machines machines;
parseMachines(settings.builders, machines);
return machines;
}();
return machines;
const auto builderLines = expandBuilderLines(settings.builders);
return parseBuilderLines(builderLines);
}
}

169
src/libstore/tests/machines.cc Normal file
View file

@ -0,0 +1,169 @@
#include "machines.hh"
#include "globals.hh"
#include <gmock/gmock-matchers.h>
using testing::Contains;
using testing::ElementsAre;
using testing::EndsWith;
using testing::Eq;
using testing::Field;
using testing::SizeIs;
using nix::absPath;
using nix::FormatError;
using nix::getMachines;
using nix::Machine;
using nix::Machines;
using nix::pathExists;
using nix::Settings;
using nix::settings;
class Environment : public ::testing::Environment {
public:
void SetUp() override { settings.thisSystem = "TEST_ARCH-TEST_OS"; }
};
testing::Environment* const foo_env =
testing::AddGlobalTestEnvironment(new Environment);
TEST(machines, getMachinesWithEmptyBuilders) {
settings.builders = "";
Machines actual = getMachines();
ASSERT_THAT(actual, SizeIs(0));
}
TEST(machines, getMachinesUriOnly) {
settings.builders = "nix@scratchy.labs.cs.uu.nl";
Machines actual = getMachines();
ASSERT_THAT(actual, SizeIs(1));
EXPECT_THAT(actual[0], Field(&Machine::storeUri, Eq("ssh://nix@scratchy.labs.cs.uu.nl")));
EXPECT_THAT(actual[0], Field(&Machine::systemTypes, ElementsAre("TEST_ARCH-TEST_OS")));
EXPECT_THAT(actual[0], Field(&Machine::sshKey, SizeIs(0)));
EXPECT_THAT(actual[0], Field(&Machine::maxJobs, Eq(1)));
EXPECT_THAT(actual[0], Field(&Machine::speedFactor, Eq(1)));
EXPECT_THAT(actual[0], Field(&Machine::supportedFeatures, SizeIs(0)));
EXPECT_THAT(actual[0], Field(&Machine::mandatoryFeatures, SizeIs(0)));
EXPECT_THAT(actual[0], Field(&Machine::sshPublicHostKey, SizeIs(0)));
}
TEST(machines, getMachinesDefaults) {
settings.builders = "nix@scratchy.labs.cs.uu.nl - - - - - - -";
Machines actual = getMachines();
ASSERT_THAT(actual, SizeIs(1));
EXPECT_THAT(actual[0], Field(&Machine::storeUri, Eq("ssh://nix@scratchy.labs.cs.uu.nl")));
EXPECT_THAT(actual[0], Field(&Machine::systemTypes, ElementsAre("TEST_ARCH-TEST_OS")));
EXPECT_THAT(actual[0], Field(&Machine::sshKey, SizeIs(0)));
EXPECT_THAT(actual[0], Field(&Machine::maxJobs, Eq(1)));
EXPECT_THAT(actual[0], Field(&Machine::speedFactor, Eq(1)));
EXPECT_THAT(actual[0], Field(&Machine::supportedFeatures, SizeIs(0)));
EXPECT_THAT(actual[0], Field(&Machine::mandatoryFeatures, SizeIs(0)));
EXPECT_THAT(actual[0], Field(&Machine::sshPublicHostKey, SizeIs(0)));
}
TEST(machines, getMachinesWithNewLineSeparator) {
settings.builders = "nix@scratchy.labs.cs.uu.nl\nnix@itchy.labs.cs.uu.nl";
Machines actual = getMachines();
ASSERT_THAT(actual, SizeIs(2));
EXPECT_THAT(actual, Contains(Field(&Machine::storeUri, EndsWith("nix@scratchy.labs.cs.uu.nl"))));
EXPECT_THAT(actual, Contains(Field(&Machine::storeUri, EndsWith("nix@itchy.labs.cs.uu.nl"))));
}
TEST(machines, getMachinesWithSemicolonSeparator) {
settings.builders = "nix@scratchy.labs.cs.uu.nl ; nix@itchy.labs.cs.uu.nl";
Machines actual = getMachines();
EXPECT_THAT(actual, SizeIs(2));
EXPECT_THAT(actual, Contains(Field(&Machine::storeUri, EndsWith("nix@scratchy.labs.cs.uu.nl"))));
EXPECT_THAT(actual, Contains(Field(&Machine::storeUri, EndsWith("nix@itchy.labs.cs.uu.nl"))));
}
TEST(machines, getMachinesWithCorrectCompleteSingleBuilder) {
settings.builders = "nix@scratchy.labs.cs.uu.nl i686-linux "
"/home/nix/.ssh/id_scratchy_auto 8 3 kvm "
"benchmark SSH+HOST+PUBLIC+KEY+BASE64+ENCODED==";
Machines actual = getMachines();
ASSERT_THAT(actual, SizeIs(1));
EXPECT_THAT(actual[0], Field(&Machine::storeUri, EndsWith("nix@scratchy.labs.cs.uu.nl")));
EXPECT_THAT(actual[0], Field(&Machine::systemTypes, ElementsAre("i686-linux")));
EXPECT_THAT(actual[0], Field(&Machine::sshKey, Eq("/home/nix/.ssh/id_scratchy_auto")));
EXPECT_THAT(actual[0], Field(&Machine::maxJobs, Eq(8)));
EXPECT_THAT(actual[0], Field(&Machine::speedFactor, Eq(3)));
EXPECT_THAT(actual[0], Field(&Machine::supportedFeatures, ElementsAre("kvm")));
EXPECT_THAT(actual[0], Field(&Machine::mandatoryFeatures, ElementsAre("benchmark")));
EXPECT_THAT(actual[0], Field(&Machine::sshPublicHostKey, Eq("SSH+HOST+PUBLIC+KEY+BASE64+ENCODED==")));
}
TEST(machines,
getMachinesWithCorrectCompleteSingleBuilderWithTabColumnDelimiter) {
settings.builders =
"nix@scratchy.labs.cs.uu.nl\ti686-linux\t/home/nix/.ssh/"
"id_scratchy_auto\t8\t3\tkvm\tbenchmark\tSSH+HOST+PUBLIC+"
"KEY+BASE64+ENCODED==";
Machines actual = getMachines();
ASSERT_THAT(actual, SizeIs(1));
EXPECT_THAT(actual[0], Field(&Machine::storeUri, EndsWith("nix@scratchy.labs.cs.uu.nl")));
EXPECT_THAT(actual[0], Field(&Machine::systemTypes, ElementsAre("i686-linux")));
EXPECT_THAT(actual[0], Field(&Machine::sshKey, Eq("/home/nix/.ssh/id_scratchy_auto")));
EXPECT_THAT(actual[0], Field(&Machine::maxJobs, Eq(8)));
EXPECT_THAT(actual[0], Field(&Machine::speedFactor, Eq(3)));
EXPECT_THAT(actual[0], Field(&Machine::supportedFeatures, ElementsAre("kvm")));
EXPECT_THAT(actual[0], Field(&Machine::mandatoryFeatures, ElementsAre("benchmark")));
EXPECT_THAT(actual[0], Field(&Machine::sshPublicHostKey, Eq("SSH+HOST+PUBLIC+KEY+BASE64+ENCODED==")));
}
TEST(machines, getMachinesWithMultiOptions) {
settings.builders = "nix@scratchy.labs.cs.uu.nl Arch1,Arch2 - - - "
"SupportedFeature1,SupportedFeature2 "
"MandatoryFeature1,MandatoryFeature2";
Machines actual = getMachines();
ASSERT_THAT(actual, SizeIs(1));
EXPECT_THAT(actual[0], Field(&Machine::storeUri, EndsWith("nix@scratchy.labs.cs.uu.nl")));
EXPECT_THAT(actual[0], Field(&Machine::systemTypes, ElementsAre("Arch1", "Arch2")));
EXPECT_THAT(actual[0], Field(&Machine::supportedFeatures, ElementsAre("SupportedFeature1", "SupportedFeature2")));
EXPECT_THAT(actual[0], Field(&Machine::mandatoryFeatures, ElementsAre("MandatoryFeature1", "MandatoryFeature2")));
}
TEST(machines, getMachinesWithIncorrectFormat) {
settings.builders = "nix@scratchy.labs.cs.uu.nl - - eight";
EXPECT_THROW(getMachines(), FormatError);
settings.builders = "nix@scratchy.labs.cs.uu.nl - - -1";
EXPECT_THROW(getMachines(), FormatError);
settings.builders = "nix@scratchy.labs.cs.uu.nl - - 8 three";
EXPECT_THROW(getMachines(), FormatError);
settings.builders = "nix@scratchy.labs.cs.uu.nl - - 8 -3";
EXPECT_THROW(getMachines(), FormatError);
settings.builders = "nix@scratchy.labs.cs.uu.nl - - 8 3 - - BAD_BASE64";
EXPECT_THROW(getMachines(), FormatError);
}
TEST(machines, getMachinesWithCorrectFileReference) {
auto path = absPath("src/libstore/tests/test-data/machines.valid");
ASSERT_TRUE(pathExists(path));
settings.builders = std::string("@") + path;
Machines actual = getMachines();
ASSERT_THAT(actual, SizeIs(3));
EXPECT_THAT(actual, Contains(Field(&Machine::storeUri, EndsWith("nix@scratchy.labs.cs.uu.nl"))));
EXPECT_THAT(actual, Contains(Field(&Machine::storeUri, EndsWith("nix@itchy.labs.cs.uu.nl"))));
EXPECT_THAT(actual, Contains(Field(&Machine::storeUri, EndsWith("nix@poochie.labs.cs.uu.nl"))));
}
TEST(machines, getMachinesWithCorrectFileReferenceToEmptyFile) {
auto path = "/dev/null";
ASSERT_TRUE(pathExists(path));
settings.builders = std::string("@") + path;
Machines actual = getMachines();
ASSERT_THAT(actual, SizeIs(0));
}
TEST(machines, getMachinesWithIncorrectFileReference) {
settings.builders = std::string("@") + absPath("/not/a/file");
Machines actual = getMachines();
ASSERT_THAT(actual, SizeIs(0));
}
TEST(machines, getMachinesWithCorrectFileReferenceToIncorrectFile) {
settings.builders = std::string("@") + absPath("src/libstore/tests/test-data/machines.bad_format");
EXPECT_THROW(getMachines(), FormatError);
}

1
src/libstore/tests/test-data/machines.bad_format Normal file
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@ -0,0 +1 @@
nix@scratchy.labs.cs.uu.nl - - eight

3
src/libstore/tests/test-data/machines.valid Normal file
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@ -0,0 +1,3 @@
nix@scratchy.labs.cs.uu.nl i686-linux /home/nix/.ssh/id_scratchy_auto 8 1 kvm
nix@itchy.labs.cs.uu.nl i686-linux /home/nix/.ssh/id_scratchy_auto 8 2
nix@poochie.labs.cs.uu.nl i686-linux /home/nix/.ssh/id_scratchy_auto 1 2 kvm benchmark 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

17
src/libutil/tests/tests.cc
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@ -4,6 +4,8 @@
#include <limits.h>
#include <gtest/gtest.h>
#include <numeric>
namespace nix {
/* ----------- tests for util.hh ------------------------------------------------*/
@ -282,6 +284,17 @@ namespace nix {
ASSERT_EQ(decoded, s);
}
TEST(base64Encode, encodeAndDecodeNonPrintable) {
char s[256];
std::iota(std::rbegin(s), std::rend(s), 0);
auto encoded = base64Encode(s);
auto decoded = base64Decode(encoded);
EXPECT_EQ(decoded.length(), 255);
ASSERT_EQ(decoded, s);
}
/* ----------------------------------------------------------------------------
* base64Decode
* --------------------------------------------------------------------------*/
@ -294,6 +307,10 @@ namespace nix {
ASSERT_EQ(base64Decode("cXVvZCBlcmF0IGRlbW9uc3RyYW5kdW0="), "quod erat demonstrandum");
}
TEST(base64Decode, decodeThrowsOnInvalidChar) {
ASSERT_THROW(base64Decode("cXVvZCBlcm_0IGRlbW9uc3RyYW5kdW0="), Error);
}
/* ----------------------------------------------------------------------------
* toLower
* --------------------------------------------------------------------------*/

18
src/libutil/util.cc
View file

@ -1436,8 +1436,7 @@ std::string filterANSIEscapes(const std::string & s, bool filterAll, unsigned in
}
static char base64Chars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
static std::array<char, 256> base64DecodeChars;
constexpr char base64Chars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
string base64Encode(std::string_view s)
{
@ -1462,12 +1461,15 @@ string base64Encode(std::string_view s)
string base64Decode(std::string_view s)
{
static std::once_flag flag;
std::call_once(flag, [](){
base64DecodeChars = { (char)-1 };
constexpr char npos = -1;
constexpr std::array<char, 256> base64DecodeChars = [&]() {
std::array<char, 256> result{};
for (auto& c : result)
c = npos;
for (int i = 0; i < 64; i++)
base64DecodeChars[(int) base64Chars[i]] = i;
});
result[base64Chars[i]] = i;
return result;
}();
string res;
unsigned int d = 0, bits = 0;
@ -1477,7 +1479,7 @@ string base64Decode(std::string_view s)
if (c == '\n') continue;
char digit = base64DecodeChars[(unsigned char) c];
if (digit == -1)
if (digit == npos)
throw Error("invalid character in Base64 string: '%c'", c);
bits += 6;