From 355c37097accd8b5c18c3dffd73df792d855a0b8 Mon Sep 17 00:00:00 2001
From: Caio Carvalho <caiojcarvalho@gmail.com>
Date: Sat, 13 Oct 2018 18:27:52 -0300
Subject: [PATCH] Including fail and remove PV methods for RAID shrinking

---
 src/core/raid/softwareraid.cpp | 18 ++++++++++++++++++
 src/core/raid/softwareraid.h   |  6 ++++++
 2 files changed, 24 insertions(+)

diff --git a/src/core/raid/softwareraid.cpp b/src/core/raid/softwareraid.cpp
index 352757c..284ab1b 100644
--- a/src/core/raid/softwareraid.cpp
+++ b/src/core/raid/softwareraid.cpp
@@ -580,6 +580,24 @@ QString SoftwareRAID::getDefaultRaidConfigFile()
     return QString();
 }
 
+bool SoftwareRAID::failPV(Report& report, const QString& devicePath, const QString& physicalVolume)
+{
+    ExternalCommand cmd(QStringLiteral("mdadm"),
+                        { QStringLiteral("--manage"), QStringLiteral("--fail"), devicePath, physicalVolume });
+
+    return cmd.run(-1) && cmd.exitCode() == 0;
+}
+
+bool SoftwareRAID::removePV(Report& report, const QString& devicePath, const QString& physicalVolume)
+{
+    failPV(report, devicePath, physicalVolume);
+
+    ExternalCommand cmd(QStringLiteral("mdadm"),
+                        { QStringLiteral("--manage"), QStringLiteral("--remove"), devicePath, physicalVolume });
+
+    return cmd.run(-1) && cmd.exitCode() == 0;
+}
+
 void SoftwareRAID::setPartitionNodes(const QStringList& partitionNodes)
 {
     d_ptr->m_partitionPathList = partitionNodes;
diff --git a/src/core/raid/softwareraid.h b/src/core/raid/softwareraid.h
index 7e9b58d..37f351a 100644
--- a/src/core/raid/softwareraid.h
+++ b/src/core/raid/softwareraid.h
@@ -94,6 +94,12 @@ public:
 
     static QString getDefaultRaidConfigFile();
 
+    static bool failPV(Report& report, const QString& devicePath, const QString& physicalVolume);
+
+    //static bool insertPV(Report& report, SoftwareRAID& raid, const QString& deviceNode);
+
+    static bool removePV(Report& report, const QString& devicePath, const QString& physicalVolume);
+
 protected:
     void initPartitions() override;