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examples/torus: Use DNS names for Torus cluster
* Change `torusblk volume create` to `torusctl block create`
This commit is contained in:
Dalton Hubble
@@ -7,14 +7,14 @@ The Torus example provisions a 3 node CoreOS cluster, with `etcd3` and Torus, to
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Ensure that you've gone through the [bootcfg with rkt](getting-started-rkt.md) guide and understand the basics. In particular, you should be able to:
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* Use rkt to start `bootcfg`
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* Use rkt or Docker to start `bootcfg`
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* Create a network boot environment with `coreos/dnsmasq`
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* Create the example libvirt client VMs
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* Install the Torus [binaries](https://github.com/coreos/torus/releases)
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## Examples
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The [examples](..examples) statically assign IP addresses (172.15.0.21, 172.15.0.22, 172.15.0.23) to libvirt client VMs created by `scripts/libvirt`. The examples can be used for physical machines if you update the MAC/IP addresses. See [network setup](network-setup.md) and [deployment](deployment.md).
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The [examples](..examples) statically assign IP addresses to libvirt client VMs created by `scripts/libvirt`. The examples can be used for physical machines if you update the MAC/IP addresses. See [network setup](network-setup.md) and [deployment](deployment.md).
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* [torus](../examples/groups/torus) - iPXE boot a Torus cluster (use rkt)
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@@ -41,13 +41,14 @@ Install the Torus [binaries](https://github.com/coreos/torus/releases) on your l
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Run `list-peers` to report the status of data nodes in the Torus cluster.
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```
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+--------------------------+--------------------------------------+---------+------+--------+---------------+--------------+
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| ADDRESS | UUID | SIZE | USED | MEMBER | UPDATED | REB/REP DATA |
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+--------------------------+--------------------------------------+---------+------+--------+---------------+--------------+
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| http://172.15.0.21:40000 | 016fad6a-2e23-11e6-8ced-525400a19cae | 1.0 GiB | 0 B | OK | 1 second ago | 0 B/sec |
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| http://172.15.0.23:40000 | 0408cbba-2e23-11e6-9871-525400c36177 | 1.0 GiB | 0 B | OK | 2 seconds ago | 0 B/sec |
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| http://172.15.0.22:40000 | 0c67d31c-2e23-11e6-91f5-525400b22f86 | 1.0 GiB | 0 B | OK | 3 seconds ago | 0 B/sec |
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+--------------------------+--------------------------------------+---------+------+--------+---------------+--------------+
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+--------------------------------+--------------------------------------+---------+------+--------+---------------+--------------+
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| ADDRESS | UUID | SIZE | USED | MEMBER | UPDATED | REB/REP DATA |
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+--------------------------------+--------------------------------------+---------+------+--------+---------------+--------------+
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| http://node1.example.com:40000 | 67145622-52cb-11e6-a886-525400a19cae | 1.0 GiB | 0 B | OK | 2 seconds ago | 0 B/sec |
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| http://node2.example.com:40000 | 6978182a-52cb-11e6-b41d-525400b22f86 | 1.0 GiB | 0 B | OK | 3 seconds ago | 0 B/sec |
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| http://node3.example.com:40000 | 6e0e4d7d-52cb-11e6-af25-525400c36177 | 1.0 GiB | 0 B | OK | now | 0 B/sec |
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+--------------------------------+--------------------------------------+---------+------+--------+---------------+--------------+
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```
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Torus has already initialized its metadata within etcd3 to format the cluster and added all peers to the pool. Each node provides 1 GiB of storage and has `MEMBER` status `OK`.
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@@ -56,7 +57,7 @@ Torus has already initialized its metadata within etcd3 to format the cluster an
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Create a new replicated, virtual block device or `volume` on Torus.
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./torusblk --etcd=172.15.0.21:2379 volume create hello 500MiB
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./torusctl block create --etcd=172.15.0.21:2379 hello 500MiB
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List the current volumes,
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@@ -6,12 +6,9 @@
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"mac": "52:54:00:a1:9c:ae"
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},
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"metadata": {
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"etcd_initial_cluster": "node1=http://172.15.0.21:2380,node2=http://172.15.0.22:2380,node3=http://172.15.0.23:2380",
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"domain_name": "node1.example.com",
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"etcd_initial_cluster": "node1=http://node1.example.com:2380,node2=http://node2.example.com:2380,node3=http://node3.example.com:2380",
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"etcd_name": "node1",
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"ipv4_address": "172.15.0.21",
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"networkd_address": "172.15.0.21/16",
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"networkd_dns": "172.15.0.3",
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"networkd_gateway": "172.15.0.1",
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"pxe": "true",
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"torus_storage_size": "1GiB"
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}
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@@ -6,12 +6,9 @@
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"mac": "52:54:00:b2:2f:86"
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},
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"metadata": {
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"etcd_initial_cluster": "node1=http://172.15.0.21:2380,node2=http://172.15.0.22:2380,node3=http://172.15.0.23:2380",
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"domain_name": "node2.example.com",
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"etcd_initial_cluster": "node1=http://node1.example.com:2380,node2=http://node2.example.com:2380,node3=http://node3.example.com:2380",
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"etcd_name": "node2",
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"ipv4_address": "172.15.0.22",
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"networkd_address": "172.15.0.22/16",
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"networkd_dns": "172.15.0.3",
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"networkd_gateway": "172.15.0.1",
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"pxe": "true",
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"torus_storage_size": "1GiB"
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}
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@@ -6,12 +6,9 @@
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"mac": "52:54:00:c3:61:77"
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},
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"metadata": {
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"etcd_initial_cluster": "node1=http://172.15.0.21:2380,node2=http://172.15.0.22:2380,node3=http://172.15.0.23:2380",
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"domain_name": "node3.example.com",
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"etcd_initial_cluster": "node1=http://node1.example.com:2380,node2=http://node2.example.com:2380,node3=http://node3.example.com:2380",
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"etcd_name": "node3",
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"ipv4_address": "172.15.0.23",
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"networkd_address": "172.15.0.23/16",
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"networkd_dns": "172.15.0.3",
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"networkd_gateway": "172.15.0.1",
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"pxe": "true",
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"torus_storage_size": "1GiB"
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}
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@@ -14,10 +14,10 @@ systemd:
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ExecStart=/usr/bin/docker run \
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--net=host \
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-e ETCD_NAME={{.etcd_name}} \
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-e ETCD_ADVERTISE_CLIENT_URLS=http://{{.ipv4_address}}:2379 \
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-e ETCD_INITIAL_ADVERTISE_PEER_URLS=http://{{.ipv4_address}}:2380 \
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-e ETCD_ADVERTISE_CLIENT_URLS=http://{{.domain_name}}:2379 \
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-e ETCD_INITIAL_ADVERTISE_PEER_URLS=http://{{.domain_name}}:2380 \
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-e ETCD_LISTEN_CLIENT_URLS=http://0.0.0.0:2379 \
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-e ETCD_LISTEN_PEER_URLS=http://{{.ipv4_address}}:2380 \
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-e ETCD_LISTEN_PEER_URLS=http://{{.domain_name}}:2380 \
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-e ETCD_INITIAL_CLUSTER={{.etcd_initial_cluster}} \
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-e ETCD_DATA_DIR=/var/lib/etcd3 \
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quay.io/coreos/etcd:v3.0.1
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@@ -41,7 +41,7 @@ systemd:
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--net=host \
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-v /srv/torus:/data \
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-e STORAGE_SIZE={{.torus_storage_size}} \
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-e LISTEN_HOST={{.ipv4_address}} \
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-e LISTEN_HOST={{.domain_name}} \
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-e ETCD_HOST=127.0.0.1 \
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-e ETCD_PORT=2379 \
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-e AUTO_JOIN=1 \
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@@ -76,19 +76,6 @@ storage:
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format: "ext4"
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{{end}}
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{{ if not (index . "skip_networkd") }}
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networkd:
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units:
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- name: 10-static.network
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contents: |
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[Match]
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MACAddress={{.mac}}
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[Network]
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Gateway={{.networkd_gateway}}
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DNS={{.networkd_dns}}
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Address={{.networkd_address}}
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{{end}}
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{{ if index . "ssh_authorized_keys" }}
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passwd:
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users:
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