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[libvirt] [PATCH 11/13] secret: add iscsi to possible usage types



Signed-off-by: Paolo Bonzini <pbonzini redhat com>
---
 docs/formatsecret.html.in    | 12 ++++++++++++
 docs/schemas/secret.rng      | 10 ++++++++++
 include/libvirt/libvirt.h.in |  1 +
 src/conf/secret_conf.c       | 22 +++++++++++++++++++++-
 src/conf/secret_conf.h       |  1 +
 src/secret/secret_driver.c   |  8 ++++++++
 6 files changed, 53 insertions(+), 1 deletion(-)

diff --git a/docs/formatsecret.html.in b/docs/formatsecret.html.in
index 01aff2d..c3c4a25 100644
--- a/docs/formatsecret.html.in
+++ b/docs/formatsecret.html.in
@@ -66,6 +66,18 @@
       device</a>. <span class="since">Since 0.9.7</span>.
     </p>
 
+    <h3>Usage type "iscsi"</h3>
+
+    <p>
+      This secret is associated with an iSCSI target for CHAP authentication.
+      The <code>&lt;usage type='iscsi'&gt;</code> element must contain
+      a single <code>target</code> element that specifies a usage name
+      for the secret.  The iSCSI secret can then be used by UUID or by
+      this usage name via the <code>&lt;auth&gt;</code> element of
+      a <a href="domain.html#elementsDisks">disk
+      device</a>. <span class="since">Since 1.0.4</span>.
+    </p>
+
     <h2><a name="example">Example</a></h2>
 
     <pre>
diff --git a/docs/schemas/secret.rng b/docs/schemas/secret.rng
index e49bd5a..d7b8f83 100644
--- a/docs/schemas/secret.rng
+++ b/docs/schemas/secret.rng
@@ -41,6 +41,7 @@
             <choice>
               <ref name='usagevolume'/>
               <ref name='usageceph'/>
+              <ref name='usageiscsi'/>
               <!-- More choices later -->
             </choice>
           </element>
@@ -67,4 +68,13 @@
     </element>
   </define>
 
+  <define name='usageiscsi'>
+    <attribute name='type'>
+      <value>iscsi</value>
+    </attribute>
+    <element name='target'>
+      <ref name='genericName'/>
+    </element>
+  </define>
+
 </grammar>
diff --git a/include/libvirt/libvirt.h.in b/include/libvirt/libvirt.h.in
index ad30cd0..3f98ebe 100644
--- a/include/libvirt/libvirt.h.in
+++ b/include/libvirt/libvirt.h.in
@@ -3641,6 +3641,7 @@ typedef enum {
     VIR_SECRET_USAGE_TYPE_NONE = 0,
     VIR_SECRET_USAGE_TYPE_VOLUME = 1,
     VIR_SECRET_USAGE_TYPE_CEPH = 2,
+    VIR_SECRET_USAGE_TYPE_ISCSI = 3,
 
 #ifdef VIR_ENUM_SENTINELS
     VIR_SECRET_USAGE_TYPE_LAST
diff --git a/src/conf/secret_conf.c b/src/conf/secret_conf.c
index 891af65..06b9bb2 100644
--- a/src/conf/secret_conf.c
+++ b/src/conf/secret_conf.c
@@ -36,7 +36,7 @@
 #define VIR_FROM_THIS VIR_FROM_SECRET
 
 VIR_ENUM_IMPL(virSecretUsageType, VIR_SECRET_USAGE_TYPE_LAST,
-              "none", "volume", "ceph")
+              "none", "volume", "ceph", "iscsi")
 
 void
 virSecretDefFree(virSecretDefPtr def)
@@ -57,6 +57,10 @@ virSecretDefFree(virSecretDefPtr def)
         VIR_FREE(def->usage.ceph);
         break;
 
+    case VIR_SECRET_USAGE_TYPE_ISCSI:
+        VIR_FREE(def->usage.target);
+        break;
+
     default:
         VIR_ERROR(_("unexpected secret usage type %d"), def->usage_type);
         break;
@@ -108,6 +112,15 @@ virSecretDefParseUsage(xmlXPathContextPtr ctxt,
         }
         break;
 
+    case VIR_SECRET_USAGE_TYPE_ISCSI:
+        def->usage.target = virXPathString("string(./usage/target)", ctxt);
+        if (!def->usage.target) {
+            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                           _("Ceph usage specified, but target is missing"));
+            return -1;
+        }
+        break;
+
     default:
         virReportError(VIR_ERR_INTERNAL_ERROR,
                        _("unexpected secret usage type %d"),
@@ -262,6 +275,13 @@ virSecretDefFormatUsage(virBufferPtr buf,
         }
         break;
 
+    case VIR_SECRET_USAGE_TYPE_ISCSI:
+        if (def->usage.target != NULL) {
+            virBufferEscapeString(buf, "    <target>%s</target>\n",
+                                  def->usage.target);
+        }
+        break;
+
     default:
         virReportError(VIR_ERR_INTERNAL_ERROR,
                        _("unexpected secret usage type %d"),
diff --git a/src/conf/secret_conf.h b/src/conf/secret_conf.h
index 6079d5b..53517f9 100644
--- a/src/conf/secret_conf.h
+++ b/src/conf/secret_conf.h
@@ -39,6 +39,7 @@ struct _virSecretDef {
     union {
         char *volume;               /* May be NULL */
         char *ceph;
+        char *target;
     } usage;
 };
 
diff --git a/src/secret/secret_driver.c b/src/secret/secret_driver.c
index 5be33b9..c577817 100644
--- a/src/secret/secret_driver.c
+++ b/src/secret/secret_driver.c
@@ -149,6 +149,11 @@ secretFindByUsage(virSecretDriverStatePtr driver, int usageType, const char *usa
             if (STREQ(s->def->usage.ceph, usageID))
                 return s;
             break;
+
+        case VIR_SECRET_USAGE_TYPE_ISCSI:
+            if (STREQ(s->def->usage.target, usageID))
+                return s;
+            break;
         }
     }
     return NULL;
@@ -614,6 +619,9 @@ secretUsageIDForDef(virSecretDefPtr def)
     case VIR_SECRET_USAGE_TYPE_CEPH:
         return def->usage.ceph;
 
+    case VIR_SECRET_USAGE_TYPE_ISCSI:
+        return def->usage.target;
+
     default:
         return NULL;
     }
-- 
1.8.1.2



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