From fca8c2eb9a7ace659efec6b58c4826b1d21d4b7b Mon Sep 17 00:00:00 2001
From: Diptanu Choudhury <diptanuc@gmail.com>
Date: Thu, 12 Jan 2017 16:18:29 -0800
Subject: [PATCH] Added the API for GC of allocations and nodes

---
 api/allocations.go | 21 +++++++++++++++++++++
 api/nodes.go       | 17 +++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/api/allocations.go b/api/allocations.go
index c2d50450064..540fcf5f790 100644
--- a/api/allocations.go
+++ b/api/allocations.go
@@ -67,6 +67,27 @@ func (a *Allocations) Stats(alloc *Allocation, q *QueryOptions) (*AllocResourceU
 	return &resp, err
 }
 
+func (a *Allocations) GC(alloc *Allocation, q *QueryOptions) error {
+	node, _, err := a.client.Nodes().Info(alloc.NodeID, q)
+	if err != nil {
+		return err
+	}
+	if node.Status == "down" {
+		return NodeDownErr
+	}
+	if node.HTTPAddr == "" {
+		return fmt.Errorf("http addr of the node where alloc %q is running is not advertised", alloc.ID)
+	}
+	client, err := NewClient(a.client.config.CopyConfig(node.HTTPAddr, node.TLSEnabled))
+	if err != nil {
+		return err
+	}
+
+	var resp struct{}
+	_, err = client.query("/v1/client/allocation"+alloc.ID+"/gc", &resp, nil)
+	return err
+}
+
 // Allocation is used for serialization of allocations.
 type Allocation struct {
 	ID                 string
diff --git a/api/nodes.go b/api/nodes.go
index 3c8db40608f..18cc68cfe36 100644
--- a/api/nodes.go
+++ b/api/nodes.go
@@ -91,6 +91,23 @@ func (n *Nodes) Stats(nodeID string, q *QueryOptions) (*HostStats, error) {
 	return &resp, nil
 }
 
+func (n *Nodes) GC(nodeID string, q *QueryOptions) error {
+	node, _, err := n.client.Nodes().Info(nodeID, q)
+	if err != nil {
+		return err
+	}
+	if node.HTTPAddr == "" {
+		return fmt.Errorf("http addr of the node %q is running is not advertised", nodeID)
+	}
+	client, err := NewClient(n.client.config.CopyConfig(node.HTTPAddr, node.TLSEnabled))
+	if err != nil {
+		return err
+	}
+	var resp struct{}
+	_, err = client.query("/v1/client/gc", &resp, nil)
+	return err
+}
+
 // Node is used to deserialize a node entry.
 type Node struct {
 	ID                string