|
1 | 1 | --- |
2 | 2 | stepnum: 1 |
3 | 3 | level: 4 |
4 | | -ref: clone-k8s-repo-multi-cluster |
5 | | -title: "Clone the :github:`MongoDB Enterprise Kubernetes Operator repository </mongodb/mongodb-enterprise-kubernetes>`." |
6 | | -content: | |
7 | | -
|
8 | | - .. code-block:: sh |
9 | | -
|
10 | | - git clone https://github.com/mongodb/mongodb-enterprise-kubernetes.git |
11 | | -
|
| 4 | +ref: clone-k8s-qs |
| 5 | +inherit: |
| 6 | + file: steps-multi-cluster-source.yaml |
| 7 | + ref: clone-k8s-repo-multi-cluster |
12 | 8 | --- |
13 | 9 | stepnum: 2 |
14 | 10 | level: 4 |
15 | | -ref: run-multi-cluster-tool |
16 | | -title: "Run the ``multi-cluster kubeconfig creator`` tool." |
17 | | -content: | |
18 | | -
|
19 | | - By default, the |k8s-op-short| uses the ``mongodb`` namespace. |
20 | | - To simplify your installation, the tool creates one central cluster, |
21 | | - three member clusters, and a namespace labeled ``mongodb`` in each of |
22 | | - the clusters. |
23 | | - |
24 | | - a. Change to the directory in which you cloned the repository. |
25 | | - #. Run the :github:`multi-cluster kubeconfig creator </mongodb/mongodb-enterprise-kubernetes/blob/master/tools/multicluster/main.go>` |
26 | | - tool: |
27 | | -
|
28 | | - .. code-block:: sh |
29 | | -
|
30 | | - go run tools/multicluster/main.go \ |
31 | | - -central-cluster="${MDB_CENTRAL_CLUSTER_FULL_NAME}" \ |
32 | | - -member-clusters="${MDB_CLUSTER_1_FULL_NAME},${MDB_CLUSTER_2_FULL_NAME},${MDB_CLUSTER_3_FULL_NAME}" \ |
33 | | - -member-cluster-namespace="mongodb" \ |
34 | | - -central-cluster-namespace="mongodb" |
35 | | -
|
| 11 | +ref: run-mc-tool-qs |
| 12 | +inherit: |
| 13 | + file: steps-multi-cluster-source.yaml |
| 14 | + ref: run-multi-cluster-tool |
36 | 15 | --- |
37 | 16 | stepnum: 3 |
38 | 17 | level: 4 |
39 | | -ref: set-istio-webhook |
40 | | -title: "Set the Istio injection webhook in each member cluster." |
41 | | -content: | |
42 | | - |
43 | | - In each member cluster, label namespaces with the |
44 | | - ``istio-injection=enabled`` label to enable Istio's injection |
45 | | - webhook. This ensures that any Pods that you create in these |
46 | | - namespaces will have a sidecar added to them. To learn more, see |
47 | | - `Automatic sidecar injection <https://istio.io/latest/docs/setup/additional-setup/sidecar-injection/#automatic-sidecar-injection>`__ |
48 | | - in the Istio documentation. |
49 | | -
|
50 | | - .. code-block:: sh |
51 | | - :emphasize-lines: 4 |
52 | | -
|
53 | | - kubectl label \ |
54 | | - --context=$MDB_CLUSTER_1_FULL_NAME \ |
55 | | - --namespace mongodb \ |
56 | | - istio-injection=enabled |
57 | | -
|
58 | | - .. code-block:: sh |
59 | | - :emphasize-lines: 4 |
60 | | -
|
61 | | - kubectl label \ |
62 | | - --context=$MDB_CLUSTER_2_FULL_NAME \ |
63 | | - --namespace mongodb \ |
64 | | - istio-injection=enabled |
65 | | -
|
66 | | - .. code-block:: sh |
67 | | - :emphasize-lines: 4 |
68 | | -
|
69 | | - kubectl label \ |
70 | | - --context=$MDB_CLUSTER_3_FULL_NAME \ |
71 | | - --namespace mongodb \ |
72 | | - istio-injection=enabled |
73 | | -
|
| 18 | +ref: set-istio-webhook-qs |
| 19 | +inherit: |
| 20 | + file: steps-multi-cluster-source.yaml |
| 21 | + ref: set-istio-webhook |
74 | 22 | --- |
75 | 23 | stepnum: 4 |
76 | 24 | level: 4 |
77 | | -title: "Configure ``kubectl`` to use the central cluster's namespace." |
78 | | -ref: configure-kubectl-mc |
79 | | -content: | |
80 | | -
|
81 | | - If you have not done so already, run the following commands to execute |
82 | | - all ``kubectl`` commands on the central cluster in the default |
83 | | - namespace. In the following steps, you will install the |k8s-op-short| |
84 | | - into this namespace. |
85 | | -
|
86 | | - .. code-block:: sh |
87 | | -
|
88 | | - kubectl config use-context $MDB_CENTRAL_CLUSTER_FULL_NAME |
89 | | - kubectl config set-context $(kubectl config current-context) \ |
90 | | - --namespace=mongodb |
| 25 | +ref: configure-kubectl-mc-qs |
| 26 | +inherit: |
| 27 | + file: steps-multi-cluster-source.yaml |
| 28 | + ref: configure-kubectl-mc |
91 | 29 |
|
92 | 30 | --- |
93 | 31 | stepnum: 5 |
94 | 32 | level: 4 |
95 | | -title: "Install the |k8s-op-full| in the central cluster." |
96 | | -ref: install-kubectl-mc |
97 | | -content: | |
98 | | -
|
99 | | - Use Helm to install the |k8s-op-short| for managing your |
100 | | - |multi-cluster|: |
| 33 | +ref: install-kubectl-mc-qs |
| 34 | +inherit: |
| 35 | + file: steps-multi-cluster-source.yaml |
| 36 | + ref: install-kubectl-mc |
101 | 37 |
|
102 | | - .. code-block:: sh |
103 | | -
|
104 | | - helm upgrade \ |
105 | | - --install \ |
106 | | - mongodb-enterprise-operator-multi-cluster \ |
107 | | - public/helm_chart \ |
108 | | - --namespace mongodb \ |
109 | | - --set namespace=mongodb \ |
110 | | - --set operator.name=mongodb-enterprise-operator-multi-cluster \ |
111 | | - --set operator.createOperatorServiceAccount=false \ |
112 | | - --set "multiCluster.clusters={${MDB_CLUSTER_1_FULL_NAME},${MDB_CLUSTER_2_FULL_NAME},${MDB_CLUSTER_3_FULL_NAME}}" |
113 | 38 | --- |
114 | 39 | stepnum: 6 |
115 | 40 | title: "Deploy the MongoDB resource." |
116 | | -ref: deploy-mdbresource-mc |
117 | | -content: | |
118 | | -
|
119 | | - a. Create a secret in each member cluster so that the |k8s-op-short| |
120 | | - can create and update objects in your |mms| project. |
121 | | - To learn more, see :ref:`create-k8s-credentials`. |
| 41 | +ref: deploy-mdbresource-mc-qs |
| 42 | +inherit: |
| 43 | + file: steps-multi-cluster-source.yaml |
| 44 | + ref: deploy-mdbresource-mc |
122 | 45 |
|
123 | | - #. Create a ConfigMap in each member cluster to link the |
124 | | - |k8s-op-short| to your |mms| project. |
125 | | - To learn more, see :ref:`create-k8s-project`. |
126 | | -
|
127 | | - #. Configure the required service accounts in each member cluster: |
128 | | -
|
129 | | - .. code-block:: sh |
130 | | -
|
131 | | - helm template --show-only \ |
132 | | - templates/database-roles.yaml \ |
133 | | - public/helm_chart \ |
134 | | - --set namespace=mongodb | \ |
135 | | - kubectl apply -f - \ |
136 | | - --context=$MDB_CLUSTER_1_FULL_NAME \ |
137 | | - --namespace mongodb |
138 | | -
|
139 | | - .. code-block:: sh |
140 | | -
|
141 | | - helm template --show-only \ |
142 | | - templates/database-roles.yaml \ |
143 | | - public/helm_chart \ |
144 | | - --set namespace=mongodb | \ |
145 | | - kubectl apply -f - \ |
146 | | - --context=$MDB_CLUSTER_2_FULL_NAME \ |
147 | | - --namespace mongodb |
148 | | -
|
149 | | - .. code-block:: sh |
150 | | -
|
151 | | - helm template --show-only \ |
152 | | - templates/database-roles.yaml \ |
153 | | - public/helm_chart \ |
154 | | - --set namespace=mongodb | \ |
155 | | - kubectl apply -f - \ |
156 | | - --context=$MDB_CLUSTER_3_FULL_NAME \ |
157 | | - --namespace mongodb |
158 | | -
|
159 | | - #. Set :setting:`spec.credentials` and :setting:`spec.opsManager.configMapRef.name` |
160 | | - and deploy the MongoDB resource. |
161 | | - In the following code sample, ``duplicateServiceObjects`` |
162 | | - is set to ``true`` to enable |
163 | | - `DNS proxying <https://istio.io/latest/docs/ops/configuration/traffic-management/dns-proxy/>`__ |
164 | | - in Istio. |
165 | | - |
166 | | - .. note:: |
167 | | - To enable the cross-cluster DNS resolution by the Istio |
168 | | - service mesh, this tutorial creates service objects with a |
169 | | - single ClusterIP address per each |k8s| Pod. |
170 | | -
|
171 | | - .. code-block:: sh |
172 | | - :emphasize-lines: 10,11,16-18 |
173 | | -
|
174 | | - kubectl apply -f - <<EOF |
175 | | - apiVersion: mongodb.com/v1 |
176 | | - kind: MongoDBMulti |
177 | | - metadata: |
178 | | - name: multi-replica-set |
179 | | - spec: |
180 | | - version: 4.4.0-ent |
181 | | - type: ReplicaSet |
182 | | - persistent: false |
183 | | - duplicateServiceObjects: true |
184 | | - credentials: my-credentials |
185 | | - security: |
186 | | - authentication: |
187 | | - enabled: true |
188 | | - modes: ["SCRAM"] |
189 | | - opsManager: |
190 | | - configMapRef: |
191 | | - name: my-project |
192 | | - clusterSpecList: |
193 | | - clusterSpecs: |
194 | | - - clusterName: ${MDB_CLUSTER_1_FULL_NAME} |
195 | | - members: 3 |
196 | | - - clusterName: ${MDB_CLUSTER_2_FULL_NAME} |
197 | | - members: 2 |
198 | | - - clusterName: ${MDB_CLUSTER_3_FULL_NAME} |
199 | | - members: 3 |
200 | | - EOF |
201 | 46 | --- |
202 | 47 | stepnum: 7 |
203 | 48 | level: 4 |
204 | | -title: "Verify that the MDB resources are running." |
205 | | -ref: verify-mdb-resources-mc |
206 | | -content: | |
207 | | -
|
208 | | - a. For member clusters, run the following commands to verify that |
209 | | - the MongoDB Pods are in the running state: |
210 | | -
|
211 | | - .. code-block:: sh |
212 | | -
|
213 | | - kubectl get pods \ |
214 | | - --context=$MDB_CLUSTER_1_FULL_NAME \ |
215 | | - --namespace mongodb |
216 | | -
|
217 | | - .. code-block:: sh |
218 | | -
|
219 | | - kubectl get pods \ |
220 | | - --context=$MDB_CLUSTER_2_FULL_NAME \ |
221 | | - --namespace mongodb |
222 | | -
|
223 | | - .. code-block:: sh |
224 | | -
|
225 | | - kubectl get pods \ |
226 | | - --context=$MDB_CLUSTER_3_FULL_NAME \ |
227 | | - --namespace mongodb |
228 | | -
|
229 | | - #. In the central cluster, run the following commands to verify that |
230 | | - the MongoDBMulti ``CustomResource`` is in the running state: |
231 | | -
|
232 | | - .. code-block:: sh |
| 49 | +ref: verify-mdb-resources-mc-qs |
| 50 | +inherit: |
| 51 | + file: steps-multi-cluster-source.yaml |
| 52 | + ref: verify-mdb-resources-mc |
233 | 53 |
|
234 | | - kubectl --context=$MDB_CENTRAL_CLUSTER_FULL_NAME \ |
235 | | - --namespace mongodb \ |
236 | | - get mdbm multi-replica-set -o yaml -w |
237 | 54 | ... |
0 commit comments