Add API for CRUD group clusters55623-group-cluster-apis

This is basically a copy of the API for project clusters.

1 files changed, 280 insertions, 0 deletions

diff --git a/doc/api/group_clusters.md b/doc/api/group_clusters.md
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+# Group clusters API
+
+> [Introduced](https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/30213)
+in GitLab 12.1.
+
+NOTE: **Note:**
+User will need at least maintainer access for the group to use these endpoints.
+
+## List group clusters
+
+Returns a list of group clusters.
+
+```
+GET /groups/:id/clusters
+```
+
+Parameters:
+
+| Attribute | Type | Required | Description |
+| --------- | ---- | -------- | ----------- |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the group](README.md#namespaced-path-encoding) |
+
+Example request:
+
+```bash
+curl --header 'Private-Token: <your_access_token>' https://gitlab.example.com/api/v4/groups/26/clusters
+```
+
+Example response:
+
+```json
+[
+  {
+    "id":18,
+    "name":"cluster-1",
+    "domain":"example.com",
+    "created_at":"2019-01-02T20:18:12.563Z",
+    "provider_type":"user",
+    "platform_type":"kubernetes",
+    "environment_scope":"*",
+    "cluster_type":"group_type",
+    "user":
+    {
+      "id":1,
+      "name":"Administrator",
+      "username":"root",
+      "state":"active",
+      "avatar_url":"https://www.gravatar.com/avatar/4249f4df72b..",
+      "web_url":"https://gitlab.example.com/root"
+    },
+    "platform_kubernetes":
+    {
+      "api_url":"https://104.197.68.152",
+      "authorization_type":"rbac",
+      "ca_cert":"-----BEGIN CERTIFICATE-----\r\nhFiK1L61owwDQYJKoZIhvcNAQELBQAw\r\nLzEtMCsGA1UEAxMkZDA1YzQ1YjctNzdiMS00NDY0LThjNmEtMTQ0ZDJkZjM4ZDBj\r\nMB4XDTE4MTIyNzIwMDM1MVoXDTIzMTIyNjIxMDM1MVowLzEtMCsGA1UEAxMkZDA1\r\nYzQ1YjctNzdiMS00NDY0LThjNmEtMTQ0ZDJkZjM.......-----END CERTIFICATE-----"
+    }
+  },
+  {
+    "id":19,
+    "name":"cluster-2",
+    ...
+  }
+]
+```
+
+## Get a single group cluster
+
+Gets a single group cluster.
+
+```
+GET /groups/:id/clusters/:cluster_id
+```
+
+Parameters:
+
+| Attribute | Type | Required | Description |
+| --------- | ---- | -------- | ----------- |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the group](README.md#namespaced-path-encoding) |
+| `cluster_id` | integer | yes | The ID of the cluster |
+
+Example request:
+
+```bash
+curl --header 'Private-Token: <your_access_token>' https://gitlab.example.com/api/v4/groups/26/clusters/18
+```
+
+Example response:
+
+```json
+{
+  "id":18,
+  "name":"cluster-1",
+  "domain":"example.com",
+  "created_at":"2019-01-02T20:18:12.563Z",
+  "provider_type":"user",
+  "platform_type":"kubernetes",
+  "environment_scope":"*",
+  "cluster_type":"group_type",
+  "user":
+  {
+    "id":1,
+    "name":"Administrator",
+    "username":"root",
+    "state":"active",
+    "avatar_url":"https://www.gravatar.com/avatar/4249f4df72b..",
+    "web_url":"https://gitlab.example.com/root"
+  },
+  "platform_kubernetes":
+  {
+    "api_url":"https://104.197.68.152",
+    "authorization_type":"rbac",
+    "ca_cert":"-----BEGIN CERTIFICATE-----\r\nhFiK1L61owwDQYJKoZIhvcNAQELBQAw\r\nLzEtMCsGA1UEAxMkZDA1YzQ1YjctNzdiMS00NDY0LThjNmEtMTQ0ZDJkZjM4ZDBj\r\nMB4XDTE4MTIyNzIwMDM1MVoXDTIzMTIyNjIxMDM1MVowLzEtMCsGA1UEAxMkZDA1\r\nYzQ1YjctNzdiMS00NDY0LThjNmEtMTQ0ZDJkZjM.......-----END CERTIFICATE-----"
+  },
+  "group":
+  {
+    "id":26,
+    "name":"group-with-clusters-api",
+    "web_url":"https://gitlab.example.com/group-with-clusters-api"
+  }
+}
+```
+
+## Add existing cluster to group
+
+Adds an existing Kubernetes cluster to the group.
+
+```
+POST /groups/:id/clusters/user
+```
+
+Parameters:
+
+| Attribute | Type | Required | Description |
+| --------- | ---- | -------- | ----------- |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the group](README.md#namespaced-path-encoding) |
+| `name` | String | yes | The name of the cluster |
+| `domain` | String | no | The [base domain](../user/group/clusters/index.md#base-domain) of the cluster |
+| `enabled` | Boolean | no | Determines if cluster is active or not, defaults to true |
+| `managed` | Boolean | no | Determines if GitLab will manage namespaces and service accounts for this cluster, defaults to true |
+| `platform_kubernetes_attributes[api_url]` | String | yes | The URL to access the Kubernetes API |
+| `platform_kubernetes_attributes[token]` | String | yes | The token to authenticate against Kubernetes |
+| `platform_kubernetes_attributes[ca_cert]` | String | no | TLS certificate (needed if API is using a self-signed TLS certificate |
+| `platform_kubernetes_attributes[authorization_type]` | String | no | The cluster authorization type: `rbac`, `abac` or `unknown_authorization`. Defaults to `rbac`. |
+| `environment_scope` | String | no | The associated environment to the cluster. Defaults to `*` **[PREMIUM]** |
+
+Example request:
+
+```bash
+curl --header 'Private-Token: <your_access_token>' https://gitlab.example.com/api/v4/groups/26/clusters/user \
+-H "Accept: application/json" \
+-H "Content-Type:application/json" \
+--request POST --data '{"name":"cluster-5", "platform_kubernetes_attributes":{"api_url":"https://35.111.51.20","token":"12345","ca_cert":"-----BEGIN CERTIFICATE-----\r\nhFiK1L61owwDQYJKoZIhvcNAQELBQAw\r\nLzEtMCsGA1UEAxMkZDA1YzQ1YjctNzdiMS00NDY0LThjNmEtMTQ0ZDJkZjM4ZDBj\r\nMB4XDTE4MTIyNzIwMDM1MVoXDTIzMTIyNjIxMDM1MVowLzEtMCsGA1UEAxMkZDA1\r\nYzQ1YjctNzdiMS00NDY0LThjNmEtMTQ0ZDJkZjM.......-----END CERTIFICATE-----"}}'
+```
+
+Example response:
+
+```json
+{
+  "id":24,
+  "name":"cluster-5",
+  "created_at":"2019-01-03T21:53:40.610Z",
+  "provider_type":"user",
+  "platform_type":"kubernetes",
+  "environment_scope":"*",
+  "cluster_type":"group_type",
+  "user":
+  {
+    "id":1,
+    "name":"Administrator",
+    "username":"root",
+    "state":"active",
+    "avatar_url":"https://www.gravatar.com/avatar/4249f4df72b..",
+    "web_url":"https://gitlab.example.com/root"
+  },
+  "platform_kubernetes":
+  {
+    "api_url":"https://35.111.51.20",
+    "authorization_type":"rbac",
+    "ca_cert":"-----BEGIN CERTIFICATE-----\r\nhFiK1L61owwDQYJKoZIhvcNAQELBQAw\r\nLzEtMCsGA1UEAxMkZDA1YzQ1YjctNzdiMS00NDY0LThjNmEtMTQ0ZDJkZjM4ZDBj\r\nMB4XDTE4MTIyNzIwMDM1MVoXDTIzMTIyNjIxMDM1MVowLzEtMCsGA1UEAxMkZDA1\r\nYzQ1YjctNzdiMS00NDY0LThjNmEtMTQ0ZDJkZjM.......-----END CERTIFICATE-----"
+  },
+  "group":
+  {
+    "id":26,
+    "name":"group-with-clusters-api",
+    "web_url":"https://gitlab.example.com/root/group-with-clusters-api"
+  }
+}
+```
+
+## Edit group cluster
+
+Updates an existing group cluster.
+
+```
+PUT /groups/:id/clusters/:cluster_id
+```
+
+Parameters:
+
+| Attribute | Type | Required | Description |
+| --------- | ---- | -------- | ----------- |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the group](README.md#namespaced-path-encoding) |
+| `cluster_id` | integer | yes | The ID of the cluster |
+| `name` | String | no | The name of the cluster |
+| `domain` | String | no | The [base domain](../user/group/clusters/index.md#base-domain) of the cluster |
+| `platform_kubernetes_attributes[api_url]` | String | no | The URL to access the Kubernetes API |
+| `platform_kubernetes_attributes[token]` | String | no | The token to authenticate against Kubernetes |
+| `platform_kubernetes_attributes[ca_cert]` | String | no | TLS certificate (needed if API is using a self-signed TLS certificate |
+| `environment_scope` | String | no | The associated environment to the cluster **[PREMIUM]** |
+
+NOTE: **Note:**
+`name`, `api_url`, `ca_cert` and `token` can only be updated if the cluster was added
+through the ["Add an existing Kubernetes Cluster"](../user/project/clusters/index.md#adding-an-existing-kubernetes-cluster) option or
+through the ["Add existing cluster to group"](#add-existing-cluster-to-group) endpoint.
+
+Example request:
+
+```bash
+curl --header 'Private-Token: <your_access_token>' https://gitlab.example.com/api/v4/groups/26/clusters/24 \
+-H "Content-Type:application/json" \
+--request PUT --data '{"name":"new-cluster-name","domain":"new-domain.com","api_url":"https://new-api-url.com"}'
+```
+
+Example response:
+
+```json
+{
+  "id":24,
+  "name":"new-cluster-name",
+  "domain":"new-domain.com",
+  "created_at":"2019-01-03T21:53:40.610Z",
+  "provider_type":"user",
+  "platform_type":"kubernetes",
+  "environment_scope":"*",
+  "cluster_type":"group_type",
+  "user":
+  {
+    "id":1,
+    "name":"Administrator",
+    "username":"root",
+    "state":"active",
+    "avatar_url":"https://www.gravatar.com/avatar/4249f4df72b..",
+    "web_url":"https://gitlab.example.com/root"
+  },
+  "platform_kubernetes":
+  {
+    "api_url":"https://new-api-url.com",
+    "authorization_type":"rbac",
+    "ca_cert":null
+  },
+  "group":
+  {
+    "id":26,
+    "name":"group-with-clusters-api",
+    "web_url":"https://gitlab.example.com/group-with-clusters-api"
+  }
+}
+
+```
+
+## Delete group cluster
+
+Deletes an existing group cluster.
+
+```
+DELETE /groups/:id/clusters/:cluster_id
+```
+
+Parameters:
+
+| Attribute | Type | Required | Description |
+| --------- | ---- | -------- | ----------- |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the group](README.md#namespaced-path-encoding) |
+| `cluster_id` | integer | yes | The ID of the cluster |
+
+Example request:
+
+```bash
+curl --request DELETE --header 'Private-Token: <your_access_token>' https://gitlab.example.com/api/v4/groups/26/clusters/23'
+```