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使用n8n和API自动化GitLab合并请求

中级

这是一个Engineering, DevOps, IT Ops领域的自动化工作流，包含 10 个节点。主要使用 If, Set, Wait, HttpRequest, SplitInBatches 等节点。 使用n8n和API自动化GitLab合并请求

前置要求
  • •可能需要目标 API 的认证凭证

使用的节点 (10)

If
Set
Wait
HttpRequest
SplitInBatches
ScheduleTrigger

分类

工程
开发运维
IT 运维
工作流预览
可视化展示节点连接关系，支持缩放和平移
React Flow
导出工作流
复制以下 JSON 配置到 n8n 导入，即可使用此工作流
{
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "nodes": [
    {
      "id": "b9a807c3-5847-477a-a242-2fdf5b15ba7e",
      "name": "检查现有合并请求的API",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -840,
        -20
      ],
      "parameters": {
        "url": "=https://gitlab.com/<projectid>/merge_requests",
        "options": {
          "allowUnauthorizedCerts": false
        },
        "sendQuery": true,
        "sendHeaders": true,
        "queryParameters": {
          "parameters": [
            {
              "name": "state",
              "value": "opened"
            },
            {
              "name": "source_branch",
              "value": "=sourceBranchName"
            }
          ]
        },
        "headerParameters": {
          "parameters": [
            {
              "name": "PRIVATE-TOKEN",
              "value": "=gitlabToken"
            }
          ]
        }
      },
      "typeVersion": 4.2,
      "alwaysOutputData": true
    },
    {
      "id": "42270a5a-d696-44f3-b2f5-16b2ddb3488c",
      "name": "是否存在",
      "type": "n8n-nodes-base.if",
      "position": [
        -660,
        -20
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "d895b8cc-5679-442f-a1bf-d8375174a24b",
              "operator": {
                "type": "boolean",
                "operation": "true",
                "singleValue": true
              },
              "leftValue": "={{ $node[\"API to Check existing merge request\"].data.isEmpty() }}",
              "rightValue": ""
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "d380c943-0525-4976-9e70-c90de1177f0c",
      "name": "创建新合并请求",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -440,
        -200
      ],
      "parameters": {
        "url": "=https://gitlab.com/<projectid>/merge_requests",
        "method": "POST",
        "options": {
          "allowUnauthorizedCerts": false
        },
        "sendBody": true,
        "contentType": "form-urlencoded",
        "sendHeaders": true,
        "bodyParameters": {
          "parameters": [
            {
              "name": "source_branch",
              "value": "=sourceBranchName"
            },
            {
              "name": "target_branch",
              "value": "=targetBranchName"
            },
            {
              "name": "title",
              "value": "=mergeTitle"
            }
          ]
        },
        "headerParameters": {
          "parameters": [
            {
              "name": "PRIVATE-TOKEN",
              "value": "=gitlabToken"
            }
          ]
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "600a0ed5-cb68-4479-8aee-55b55f0d8630",
      "name": "遍历项目",
      "type": "n8n-nodes-base.splitInBatches",
      "position": [
        -440,
        160
      ],
      "parameters": {
        "options": {}
      },
      "typeVersion": 3
    },
    {
      "id": "555643cb-761c-41ec-b983-8e0194851a8d",
      "name": "关闭现有合并请求的API",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -220,
        180
      ],
      "parameters": {
        "url": "=https://gitlab.com/<projectid>/merge_requests/<merge_iid>",
        "method": "PUT",
        "options": {
          "allowUnauthorizedCerts": false
        },
        "sendBody": true,
        "contentType": "form-urlencoded",
        "sendHeaders": true,
        "bodyParameters": {
          "parameters": [
            {
              "name": "state_event",
              "value": "close"
            }
          ]
        },
        "headerParameters": {
          "parameters": [
            {
              "name": "PRIVATE-TOKEN",
              "value": "=gitlabToken"
            }
          ]
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "0c94b06a-80e3-4e50-8bac-2bd4015f085e",
      "name": "为合并请求添加自定义注释",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -220,
        -200
      ],
      "parameters": {
        "url": "=https://gitlab.com/<projectid>/merge_requests/<merge_iid>/notes",
        "method": "POST",
        "options": {
          "allowUnauthorizedCerts": false
        },
        "sendBody": true,
        "contentType": "form-urlencoded",
        "sendHeaders": true,
        "bodyParameters": {
          "parameters": [
            {
              "name": "body",
              "value": "=<mergeComments>"
            }
          ]
        },
        "headerParameters": {
          "parameters": [
            {
              "name": "PRIVATE-TOKEN",
              "value": "=gitlabToken"
            }
          ]
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "8e849f4f-2a52-46ba-9e0a-17126a8d966c",
      "name": "等待30秒以批准合并请求并完成流水线",
      "type": "n8n-nodes-base.wait",
      "position": [
        140,
        -200
      ],
      "webhookId": "ac7bb2de-2c6f-479a-8807-13a29d8eaf5e",
      "parameters": {
        "amount": 30
      },
      "typeVersion": 1.1
    },
    {
      "id": "05cca829-b2df-4c1e-9441-56349acc4a0d",
      "name": "流水线成功时合并",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        720,
        -200
      ],
      "parameters": {
        "url": "=https://gitlab.com/<projectid>/merge_requests/<merge_iid>/merge",
        "method": "PUT",
        "options": {
          "allowUnauthorizedCerts": false
        },
        "jsonBody": "={\n\"merge_when_pipeline_succeeds\": {{ $('setValueForMerge').item.json.merge_when_pipeline_succeeds }},\n  \"should_remove_source_branch\": {{ $('setValueForMerge').item.json.should_remove_source_branch }}\n}",
        "sendBody": true,
        "sendHeaders": true,
        "specifyBody": "json",
        "headerParameters": {
          "parameters": [
            {
              "name": "PRIVATE-TOKEN",
              "value": "=gitlabToken"
            }
          ]
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "e3ce9cdc-5484-4b4b-8701-6b9089a1f76d",
      "name": "设置合并值",
      "type": "n8n-nodes-base.set",
      "position": [
        460,
        -200
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "a22922c7-0c69-4ac1-bd15-4d289fa57737",
              "name": "merge_when_pipeline_succeeds",
              "type": "boolean",
              "value": false
            },
            {
              "id": "17580668-84d9-4ad6-b93b-e7b6c9c0f8ea",
              "name": "should_remove_source_branch",
              "type": "boolean",
              "value": true
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "0d49ec98-4806-492e-a6c2-a298ed8bb11a",
      "name": "计划触发器",
      "type": "n8n-nodes-base.scheduleTrigger",
      "position": [
        -1160,
        -20
      ],
      "parameters": {
        "rule": {
          "interval": [
            {}
          ]
        }
      },
      "typeVersion": 1.2
    }
  ],
  "pinData": {},
  "connections": {
    "Is Exists": {
      "main": [
        [
          {
            "node": "Create New Merge Request",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Loop Over Items",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Loop Over Items": {
      "main": [
        [
          {
            "node": "API to Check existing merge request",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "API to CLOSE existing Merge Request",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Schedule Trigger": {
      "main": [
        [
          {
            "node": "API to Check existing merge request",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "setValueForMerge": {
      "main": [
        [
          {
            "node": "Merge When Pipeline Succeeds",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Create New Merge Request": {
      "main": [
        [
          {
            "node": "Add Custom Notes To Merge Request",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Add Custom Notes To Merge Request": {
      "main": [
        [
          {
            "node": "30 secs wait to approve merge request and pipeline to finish1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "API to CLOSE existing Merge Request": {
      "main": [
        [
          {
            "node": "Loop Over Items",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "API to Check existing merge request": {
      "main": [
        [
          {
            "node": "Is Exists",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "30 secs wait to approve merge request and pipeline to finish1": {
      "main": [
        [
          {
            "node": "setValueForMerge",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}
常见问题

如何使用这个工作流？

复制上方的 JSON 配置代码，在您的 n8n 实例中创建新工作流并选择「从 JSON 导入」，粘贴配置后根据需要修改凭证设置即可。

这个工作流适合什么场景？

中级 - 工程, 开发运维, IT 运维

需要付费吗？

本工作流完全免费，您可以直接导入使用。但请注意，工作流中使用的第三方服务（如 OpenAI API）可能需要您自行付费。

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节点数量10
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难度说明

适合有一定经验的用户，包含 6-15 个节点的中等复杂度工作流

作者
Aditya Gaur

Aditya Gaur

@autom8r
外部链接
在 n8n.io 查看 →

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