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1 | 6928da52 | Dimitris Aragiorgis | .. _i-ns: |
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2 | 6928da52 | Dimitris Aragiorgis | |
3 | 6928da52 | Dimitris Aragiorgis | Synnefo |
4 | 6928da52 | Dimitris Aragiorgis | ------- |
5 | 6928da52 | Dimitris Aragiorgis | |
6 | 6928da52 | Dimitris Aragiorgis | |
7 | 6928da52 | Dimitris Aragiorgis | :ref:`synnefo <i-synnefo>` || |
8 | 6928da52 | Dimitris Aragiorgis | ns || |
9 | 6928da52 | Dimitris Aragiorgis | :ref:`apt <i-apt>` || |
10 | 6928da52 | Dimitris Aragiorgis | :ref:`mq <i-mq>` || |
11 | 6928da52 | Dimitris Aragiorgis | :ref:`db <i-db>` || |
12 | 6928da52 | Dimitris Aragiorgis | :ref:`gunicorn <i-gunicorn>` || |
13 | 6928da52 | Dimitris Aragiorgis | :ref:`apache <i-apache>` || |
14 | 6928da52 | Dimitris Aragiorgis | :ref:`webproject <i-webproject>` || |
15 | 6928da52 | Dimitris Aragiorgis | :ref:`astakos <i-astakos>` || |
16 | 6928da52 | Dimitris Aragiorgis | :ref:`cms <i-cms>` || |
17 | 6928da52 | Dimitris Aragiorgis | :ref:`pithos <i-pithos>` || |
18 | 6928da52 | Dimitris Aragiorgis | :ref:`cyclades <i-cyclades>` || |
19 | 6928da52 | Dimitris Aragiorgis | :ref:`kamaki <i-kamaki>` || |
20 | 6928da52 | Dimitris Aragiorgis | :ref:`backends <i-backends>` |
21 | 6928da52 | Dimitris Aragiorgis | |
22 | 6928da52 | Dimitris Aragiorgis | Name Server Setup |
23 | 6928da52 | Dimitris Aragiorgis | +++++++++++++++++ |
24 | 6928da52 | Dimitris Aragiorgis | |
25 | 6928da52 | Dimitris Aragiorgis | The following applies to ``ns`` node. You will create an DNS to resolve all |
26 | 6928da52 | Dimitris Aragiorgis | FQDNs used by both ``synnefo`` and ``backend`` nodes. All we need here is to have |
27 | 6928da52 | Dimitris Aragiorgis | a physical node - ip - role mapping. |
28 | 6928da52 | Dimitris Aragiorgis | |
29 | 6928da52 | Dimitris Aragiorgis | Assumptions: |
30 | 6928da52 | Dimitris Aragiorgis | ~~~~~~~~~~~~ |
31 | 6928da52 | Dimitris Aragiorgis | |
32 | 6928da52 | Dimitris Aragiorgis | - domain to use: ``example.com`` |
33 | 6928da52 | Dimitris Aragiorgis | - nodes' IPv4 subnet: ``4.3.2.0/24`` |
34 | 6928da52 | Dimitris Aragiorgis | |
35 | 6928da52 | Dimitris Aragiorgis | For the sake of simplicity we assume we have 6 nodes assinged the following roles: |
36 | 6928da52 | Dimitris Aragiorgis | |
37 | 84809111 | Dimitris Aragiorgis | ======== ========= =========================== ==================== |
38 | 84809111 | Dimitris Aragiorgis | hostname IP roles FQDN |
39 | 84809111 | Dimitris Aragiorgis | ======== ========= =========================== ==================== |
40 | 84809111 | Dimitris Aragiorgis | node1 4.3.2.1 ns,router,client,astakos,qh accounts.example.com |
41 | 84809111 | Dimitris Aragiorgis | node2 4.3.2.2 cyclades cyclades.example.com |
42 | 84809111 | Dimitris Aragiorgis | node3 4.3.2.3 pithos pithos.example.com |
43 | 84809111 | Dimitris Aragiorgis | node4 4.3.2.4 cms cms.example.com |
44 | 84809111 | Dimitris Aragiorgis | node5 4.3.2.5 db db.example.com |
45 | 84809111 | Dimitris Aragiorgis | node6 4.3.2.6 mq mq.example.com |
46 | 84809111 | Dimitris Aragiorgis | node1 4.3.2.100 master ganeti.example.com |
47 | 84809111 | Dimitris Aragiorgis | ======== ========= =========================== ==================== |
48 | 6928da52 | Dimitris Aragiorgis | |
49 | 6928da52 | Dimitris Aragiorgis | |
50 | 6928da52 | Dimitris Aragiorgis | First install the corresponding package: |
51 | 6928da52 | Dimitris Aragiorgis | |
52 | 6928da52 | Dimitris Aragiorgis | .. code-block:: console |
53 | 6928da52 | Dimitris Aragiorgis | |
54 | 6928da52 | Dimitris Aragiorgis | # apt-get install bind9 |
55 | 6928da52 | Dimitris Aragiorgis | |
56 | 6928da52 | Dimitris Aragiorgis | In `/etc/bind/zones/example.com` add: |
57 | 6928da52 | Dimitris Aragiorgis | |
58 | 6928da52 | Dimitris Aragiorgis | .. code-block:: console |
59 | 6928da52 | Dimitris Aragiorgis | |
60 | 6928da52 | Dimitris Aragiorgis | $TTL 14400 |
61 | 6928da52 | Dimitris Aragiorgis | $origin example.com. |
62 | 6928da52 | Dimitris Aragiorgis | @ IN SOA ns.example.com. admin.example.com. ( |
63 | 6928da52 | Dimitris Aragiorgis | 2012111903; the Serial Number |
64 | 6928da52 | Dimitris Aragiorgis | 172800; the Refresh Rate |
65 | 6928da52 | Dimitris Aragiorgis | 7200; the Retry Time |
66 | 6928da52 | Dimitris Aragiorgis | 604800; the Expiration Time |
67 | 6928da52 | Dimitris Aragiorgis | 3600; the Minimum Time |
68 | 6928da52 | Dimitris Aragiorgis | ) |
69 | 6928da52 | Dimitris Aragiorgis | |
70 | 6928da52 | Dimitris Aragiorgis | @ IN NS ns.example.com. |
71 | 6928da52 | Dimitris Aragiorgis | @ IN A 4.3.2.1 |
72 | 6928da52 | Dimitris Aragiorgis | ns IN A 4.3.2.1 |
73 | 6928da52 | Dimitris Aragiorgis | |
74 | 6928da52 | Dimitris Aragiorgis | localhost IN A 127.0.0.1 |
75 | 6928da52 | Dimitris Aragiorgis | example.com. IN MX 10 example.com. |
76 | 6928da52 | Dimitris Aragiorgis | |
77 | 6928da52 | Dimitris Aragiorgis | mail IN CNAME example.com. |
78 | 6928da52 | Dimitris Aragiorgis | www IN CNAME example.com. |
79 | 6928da52 | Dimitris Aragiorgis | accounts IN CNAME node1.example.com. |
80 | 6928da52 | Dimitris Aragiorgis | cyclades IN CNAME node2.example.com. |
81 | 6928da52 | Dimitris Aragiorgis | pithos IN CNAME node3.example.com. |
82 | 6928da52 | Dimitris Aragiorgis | cms IN CNAME node4.example.com. |
83 | 6928da52 | Dimitris Aragiorgis | db IN CNAME node5.example.com. |
84 | 6928da52 | Dimitris Aragiorgis | mq IN CNAME node6.example.com. |
85 | 84809111 | Dimitris Aragiorgis | qh IN CNAME node1.example.com. |
86 | 6928da52 | Dimitris Aragiorgis | |
87 | 6928da52 | Dimitris Aragiorgis | node1 IN A 4.3.2.1 |
88 | 6928da52 | Dimitris Aragiorgis | node2 IN A 4.3.2.2 |
89 | 6928da52 | Dimitris Aragiorgis | node3 IN A 4.3.2.3 |
90 | 6928da52 | Dimitris Aragiorgis | node4 IN A 4.3.2.4 |
91 | 6928da52 | Dimitris Aragiorgis | node5 IN A 4.3.2.5 |
92 | 6928da52 | Dimitris Aragiorgis | node6 IN A 4.3.2.6 |
93 | 6928da52 | Dimitris Aragiorgis | |
94 | 6928da52 | Dimitris Aragiorgis | ganeti IN A 4.3.2.100 |
95 | 6928da52 | Dimitris Aragiorgis | |
96 | 6928da52 | Dimitris Aragiorgis | |
97 | 6928da52 | Dimitris Aragiorgis | In `/etc/bind/rev/0-24.2.3.4.in-addr.arpa.zone` add: |
98 | 6928da52 | Dimitris Aragiorgis | |
99 | 6928da52 | Dimitris Aragiorgis | .. code-block:: console |
100 | 6928da52 | Dimitris Aragiorgis | |
101 | 6928da52 | Dimitris Aragiorgis | $TTL 86400 |
102 | 84809111 | Dimitris Aragiorgis | $ORIGIN 2.3.4.in-addr.arpa. |
103 | 6928da52 | Dimitris Aragiorgis | @ IN SOA ns.example.com. admin.skata.com. ( |
104 | 6928da52 | Dimitris Aragiorgis | 2012070900; the Serial Number |
105 | 6928da52 | Dimitris Aragiorgis | 172800; the Refresh Rate |
106 | 6928da52 | Dimitris Aragiorgis | 7200; the Retry Time |
107 | 6928da52 | Dimitris Aragiorgis | 604800; the Expiration Time |
108 | 6928da52 | Dimitris Aragiorgis | 3600 ; the Minimum Time |
109 | 6928da52 | Dimitris Aragiorgis | ) |
110 | 6928da52 | Dimitris Aragiorgis | @ IN NS ns.example.com. |
111 | 6928da52 | Dimitris Aragiorgis | |
112 | 6928da52 | Dimitris Aragiorgis | 1 IN PTR node1.example.com. |
113 | 6928da52 | Dimitris Aragiorgis | 2 IN PTR node2.example.com. |
114 | 6928da52 | Dimitris Aragiorgis | 3 IN PTR node3.example.com. |
115 | 6928da52 | Dimitris Aragiorgis | 4 IN PTR node4.example.com. |
116 | 6928da52 | Dimitris Aragiorgis | 5 IN PTR node5.example.com. |
117 | 6928da52 | Dimitris Aragiorgis | 6 IN PTR node6.example.com. |
118 | 6928da52 | Dimitris Aragiorgis | |
119 | 6928da52 | Dimitris Aragiorgis | |
120 | 6928da52 | Dimitris Aragiorgis | In `/etc/bind/named.conf.local` add: |
121 | 6928da52 | Dimitris Aragiorgis | |
122 | 6928da52 | Dimitris Aragiorgis | .. code-block:: console |
123 | 6928da52 | Dimitris Aragiorgis | |
124 | 6928da52 | Dimitris Aragiorgis | zone "example.com" in { |
125 | 6928da52 | Dimitris Aragiorgis | type master; |
126 | 6928da52 | Dimitris Aragiorgis | file "/etc/bind/zones/example.com"; |
127 | 6928da52 | Dimitris Aragiorgis | }; |
128 | 6928da52 | Dimitris Aragiorgis | |
129 | 6928da52 | Dimitris Aragiorgis | zone "0-24.2.3.4.in-addr.arpa" in { |
130 | 6928da52 | Dimitris Aragiorgis | type master; |
131 | 6928da52 | Dimitris Aragiorgis | file "/etc/bind/rev/0-24.2.3.4.in-addr.arpa.zone"; |
132 | 6928da52 | Dimitris Aragiorgis | }; |
133 | 6928da52 | Dimitris Aragiorgis | |
134 | 6928da52 | Dimitris Aragiorgis | And then restart the service: |
135 | 6928da52 | Dimitris Aragiorgis | |
136 | 6928da52 | Dimitris Aragiorgis | .. code-block:: console |
137 | 6928da52 | Dimitris Aragiorgis | |
138 | 6928da52 | Dimitris Aragiorgis | # /etc/init.d/bind9 restart |
139 | 6928da52 | Dimitris Aragiorgis | |
140 | 6928da52 | Dimitris Aragiorgis | |
141 | 6928da52 | Dimitris Aragiorgis | In all ``synnefo`` and ``backend`` nodes add in `/etc/resolv.conf`: |
142 | 6928da52 | Dimitris Aragiorgis | |
143 | 6928da52 | Dimitris Aragiorgis | .. code-block:: console |
144 | 6928da52 | Dimitris Aragiorgis | |
145 | 6928da52 | Dimitris Aragiorgis | domain example.com |
146 | 6928da52 | Dimitris Aragiorgis | search example.com |
147 | 6928da52 | Dimitris Aragiorgis | nameserver 4.3.2.1 |
148 | 81b92b0f | Dimitris Aragiorgis | |
149 | 81b92b0f | Dimitris Aragiorgis | |
150 | 81b92b0f | Dimitris Aragiorgis | Test your Setup: |
151 | 81b92b0f | Dimitris Aragiorgis | ++++++++++++++++ |
152 | 84809111 | Dimitris Aragiorgis | |
153 | 84809111 | Dimitris Aragiorgis | Try to ping all FQDNs. |