From 5fe0dc0037e972266ddc0661be99a9fdc9892910 Mon Sep 17 00:00:00 2001
From: Kevin Fenzi <kevin@scrye.com>
Date: Tue, 1 Oct 2013 16:50:55 +0000
Subject: [PATCH] Add a iscsi_client role, add to virthosts

---
 playbooks/groups/virthost.yml                 |  2 +
 roles/iscsi_client/files/multipath.conf       | 65 +++++++++++++++++++
 roles/iscsi_client/tasks/main.yml             | 39 +++++++++++
 .../templates/initiatorname.iscsi.j2          |  1 +
 vars/global.yml                               |  5 ++
 5 files changed, 112 insertions(+)
 create mode 100644 roles/iscsi_client/files/multipath.conf
 create mode 100644 roles/iscsi_client/tasks/main.yml
 create mode 100644 roles/iscsi_client/templates/initiatorname.iscsi.j2

diff --git a/playbooks/groups/virthost.yml b/playbooks/groups/virthost.yml
index a4fdafb459..b439656b5d 100644
--- a/playbooks/groups/virthost.yml
+++ b/playbooks/groups/virthost.yml
@@ -5,6 +5,7 @@
 - name: make virthost server system
   hosts: $target
   user: root
+  accelerate: True
   gather_facts: True
 
   vars_files: 
@@ -18,6 +19,7 @@
   - /srv/web/infra/ansible/roles/denyhosts
   - /srv/web/infra/ansible/roles/nagios_client
   - /srv/web/infra/ansible/roles/fas_client
+  - /srv/web/infra/ansible/roles/iscsi_client
 
   tasks:
   - include: $tasks/hosts.yml
diff --git a/roles/iscsi_client/files/multipath.conf b/roles/iscsi_client/files/multipath.conf
new file mode 100644
index 0000000000..6ceca79f67
--- /dev/null
+++ b/roles/iscsi_client/files/multipath.conf
@@ -0,0 +1,65 @@
+defaults {
+        rr_min_io               128
+        user_friendly_names     yes
+        max_fds                 max
+        queue_without_daemon    no
+}
+
+blacklist {
+    devnode    "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*"
+    devnode    "^hd[a-z]"
+    devnode    "^cciss!c[0-9]d[0-9]*"
+    device {
+        vendor    "IBM-ESXS"
+    }
+    device {
+        vendor    "IBM"
+    }
+    device {
+        vendor    "LSILOGIC"
+    }
+    device {
+        vendor    "ATA"
+    }
+    device {
+        vendor    "VMware"
+    }
+
+    wwid "*GBRL0015XVEUCM*" # Blacklist the on board blade RAID controller
+}
+
+devices {
+        device {
+                vendor               "NETAPP"
+                product              "LUN"
+                path_grouping_policy group_by_prio
+                path_checker         directio
+                failback             immediate
+                prio                 ontap
+                features             "1 queue_if_no_path"
+        }
+
+        device {
+               path_checker    	tur
+	        product    		"NEXTRA"
+               vendor    		"XIV"
+               rr_min_io    		15
+               path_grouping_policy   	multibus
+	        path_selector    	"round-robin 0"
+	        no_path_retry   	5
+	        polling_interval   	3
+	        failback    		15
+	}
+
+	device {
+	        path_checker    	tur
+	        product    		"2810XIV"
+	        vendor    		"IBM"
+	        rr_min_io    		15
+	        path_grouping_policy    multibus
+	        path_selector    	"round-robin 0"
+	        no_path_retry    	5
+	        polling_interval    	3
+	        failback    		15
+	}
+}
diff --git a/roles/iscsi_client/tasks/main.yml b/roles/iscsi_client/tasks/main.yml
new file mode 100644
index 0000000000..902f62da6f
--- /dev/null
+++ b/roles/iscsi_client/tasks/main.yml
@@ -0,0 +1,39 @@
+---
+#
+# This task sets up iscsid and mpathd on a machine. 
+#
+
+#
+- name: install packages needed for iscsi_client
+  yum: state=installed name=$item
+  with_items:
+  - iscsi-initiator-utils
+  - device-mapper-multipath
+  tags:
+  - packages
+
+- name: enable iscsi service
+  service: state=running enabled=yes name=iscsi
+  tags:
+  - services
+
+- name: enable multipathd service
+  service: state=running enabled=yes name=multipathd
+  tags:
+  - services
+
+- name: setup multipath.conf file
+  copy: src=multipath.conf dest=/etc/multipath.conf
+  tags:
+  - config
+
+- name: setup initiatorname.iscsi
+  template: src=initiatorname.iscsi.j2 dest=/etc/iscsi/initiatorname.iscsi
+  tags:
+  - config
+
+- name: run iscsiadm command for initial connect
+  command: creates=/var/lib/iscsi/nodes/{{ netapp_iscsi_name }}/{{ netapp_iscsi_portal }},3260 /sbin/iscsiadm --mode node --targetname  --portal {{ netapp_iscsi_portal }} -o new ; /sbin/iscsiadm --mode node --targetname {{ netapp_iscsi_name }} --portal {{ netapp_iscsi_portal }} --login
+  tags:
+  - config
+
diff --git a/roles/iscsi_client/templates/initiatorname.iscsi.j2 b/roles/iscsi_client/templates/initiatorname.iscsi.j2
new file mode 100644
index 0000000000..0555966823
--- /dev/null
+++ b/roles/iscsi_client/templates/initiatorname.iscsi.j2
@@ -0,0 +1 @@
+InitiatorName=iqn.2003-11.org.fedoraproject.{{ inventory_hostname }}
diff --git a/vars/global.yml b/vars/global.yml
index 8f2d3c05bf..3b577e7784 100644
--- a/vars/global.yml
+++ b/vars/global.yml
@@ -21,3 +21,8 @@ global_pkgs_inst: ['bind-utils', 'joe', 'mailx', 'nc', 'openssh-clients',
                    'patch', 'postfix', 'rsync', 'strace', 'telnet', 
                    'tmpwatch', 'traceroute', 'vim-enhanced', 'xz', 'zsh',
                    'libselinux-python' ]
+
+# iscsi initiator for netapp iscsi volume
+netapp_iscsi_name: iqn.1992-08.com.netapp:sn.1573980081:vf.6fb258f4-106f-11e2-ae29-00a098161d90
+# iscsi portal for netapp iscsi volume
+netapp_iscsi_portal: 10.5.88.35