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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "dockerapi.h"
#include "dockersettings.h"
#include "dockertr.h"
#include <coreplugin/progressmanager/progressmanager.h>
#include <utils/async.h>
#include <utils/qtcprocess.h>
#include <utils/qtcassert.h>
#include <QLoggingCategory>
#include <thread>
Q_LOGGING_CATEGORY(dockerApiLog, "qtc.docker.api", QtWarningMsg);
using namespace Utils;
namespace Docker::Internal {
DockerApi *s_instance{nullptr};
DockerApi::DockerApi()
{
s_instance = this;
}
DockerApi *DockerApi::instance()
{
return s_instance;
}
bool DockerApi::canConnect()
{
Process process;
FilePath dockerExe = dockerClient();
if (dockerExe.isEmpty())
return false;
process.setCommand({dockerExe, {"info"}});
process.runBlocking();
const bool success = process.result() == ProcessResult::FinishedWithSuccess;
if (!success)
qCWarning(dockerApiLog) << "Failed to connect to docker daemon:" << process.allOutput();
else
qCInfo(dockerApiLog) << "'docker info' result:\n" << qPrintable(process.allOutput());
return process.result() == ProcessResult::FinishedWithSuccess;
}
bool DockerApi::isContainerRunning(const QString &containerId)
{
Process process;
FilePath dockerExe = dockerClient();
if (dockerExe.isEmpty() || !dockerExe.isExecutableFile())
return false;
process.setCommand(
CommandLine(dockerExe, QStringList{"inspect", "--format", "{{.State.Running}}", containerId}));
process.runBlocking();
if (process.result() == ProcessResult::FinishedWithSuccess) {
QString output = process.readAllStandardOutput().trimmed();
if (output == "true")
return true;
}
return false;
}
void DockerApi::checkCanConnect(bool async)
{
if (async) {
std::unique_lock lk(m_daemonCheckGuard, std::try_to_lock);
if (!lk.owns_lock())
return;
m_dockerDaemonAvailable = std::nullopt;
emit dockerDaemonAvailableChanged();
auto future = Utils::asyncRun([lk = std::move(lk), this] {
m_dockerDaemonAvailable = canConnect();
emit dockerDaemonAvailableChanged();
});
Core::ProgressManager::addTask(future, Tr::tr("Checking docker daemon"), "DockerPlugin");
return;
}
std::unique_lock lk(m_daemonCheckGuard);
bool isAvailable = canConnect();
if (!m_dockerDaemonAvailable.has_value() || isAvailable != m_dockerDaemonAvailable) {
m_dockerDaemonAvailable = isAvailable;
emit dockerDaemonAvailableChanged();
}
}
void DockerApi::recheckDockerDaemon()
{
QTC_ASSERT(s_instance, return );
s_instance->checkCanConnect();
}
std::optional<bool> DockerApi::dockerDaemonAvailable(bool async)
{
if (!m_dockerDaemonAvailable.has_value())
checkCanConnect(async);
return m_dockerDaemonAvailable;
}
std::optional<bool> DockerApi::isDockerDaemonAvailable(bool async)
{
QTC_ASSERT(s_instance, return std::nullopt);
return s_instance->dockerDaemonAvailable(async);
}
FilePath DockerApi::dockerClient()
{
return settings().dockerBinaryPath.effectiveBinary();
}
QFuture<Utils::expected_str<QList<Network>>> DockerApi::networks()
{
return Utils::asyncRun([this]() -> Utils::expected_str<QList<Network>> {
QList<Network> result;
Process process;
FilePath dockerExe = dockerClient();
if (dockerExe.isEmpty() || !dockerExe.isExecutableFile())
return make_unexpected(Tr::tr("Docker executable not found"));
process.setCommand({dockerExe, {"network", "ls", "--format", "{{json .}}"}});
process.runBlocking();
if (process.result() != ProcessResult::FinishedWithSuccess) {
return make_unexpected(
Tr::tr("Failed to retrieve docker networks. Exit code: %1. Error: %2")
.arg(process.exitCode())
.arg(process.allOutput()));
}
for (const auto &line : process.readAllStandardOutput().split('\n')) {
if (line.isEmpty())
continue;
QJsonParseError error;
QJsonDocument doc = QJsonDocument::fromJson(line.toUtf8(), &error);
if (error.error != QJsonParseError::NoError) {
qCWarning(dockerApiLog)
<< "Failed to parse docker network info:" << error.errorString();
continue;
}
Network network;
network.id = doc["ID"].toString();
network.name = doc["Name"].toString();
network.driver = doc["Driver"].toString();
network.scope = doc["Scope"].toString();
network.internal = doc["Internal"].toString() == "true";
network.ipv6 = doc["IPv6"].toString() == "true";
network.createdAt = QDateTime::fromString(doc["CreatedAt"].toString(), Qt::ISODate);
network.labels = doc["Labels"].toString();
result.append(network);
}
return result;
});
}
QString Network::toString() const
{
return QString(R"(ID: "%1"
Name: "%2"
Driver: "%3"
Scope: "%4"
Internal: "%5"
IPv6: "%6"
CreatedAt: "%7"
Labels: "%8"
)")
.arg(id)
.arg(name)
.arg(driver)
.arg(scope)
.arg(internal)
.arg(ipv6)
.arg(createdAt.toString(Qt::ISODate))
.arg(labels);
}
} // Docker::Internal
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