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#RPC replace-config-with-snapshot

This RPC replaces nodes in the UniConfig topology of the Configuration datastore with selected nodes from a specified snapshot.

RPC input contains the name of the snapshot topology and target nodes that should replace UniConfig nodes in the Configuration datastore. RPC output describes the result of the operation and matches all input nodes.

This RPC cannot be called with an empty target-nodes list. If a node fails for any reason, the entire RPC fails.

RPC replace-config-with-snapshot
RPC replace-config-with-snapshot

#Examples

#Successful example

RPC input contains the name of the snapshot topology that should replace nodes in the UniConfig topology of the Configuration datastore, as well as a list of nodes from that snapshot. RPC output contains the result of the operation.

RPC Request
curl --location --request POST 'http://localhost:8181/rests/operations/snapshot-manager:replace-config-with-snapshot' \
--header 'Accept: application/json' \
--header 'Content-Type: application/json' \
--data-raw '{
    "input": {
        "name" : "snapshot1",
        "target-nodes": {
            "node": ["IOSXR","IOSXRN"]
        }
    }
}'
RPC Response, Status: 204

#Failed example

RPC input contains the name of the snapshot topology that should replace nodes in the UniConfig topology of the Configuration datastore, as well as a list of nodes from that snapshot. This particular snapshot (snapshot2) has not been created yet.

RPC output contains the result of the operation.

RPC Request
curl --location --request POST 'http://localhost:8181/rests/operations/snapshot-manager:replace-config-with-snapshot' \
--header 'Accept: application/json' \
--header 'Content-Type: application/json' \
--data-raw '{
    "input": {
        "name" : "snapshot2",
        "target-nodes": {
            "node": ["IOSXR"]
        }
    }
}'
RPC Response, Status: 404
{
  "errors": {
    "error": [
      {
        "error-tag": "missing-element",
        "error-info": {
          "node-id": "IOSXR"
        },
        "error-type": "application",
        "error-message": "Snapshot with name 'snapshot2' does not exist."
      }
    ]
  }
}

#Failed example

RPC input contains the name of the snapshot topology that should replace nodes in the UniConfig topology of the Configuration datastore, as well as a list of nodes from that snapshot. RPC input is missing the snapshot name. RPC output contains the result of the operation.

RPC Request
curl --location --request POST 'http://localhost:8181/rests/operations/snapshot-manager:replace-config-with-snapshot' \
--header 'Accept: application/json' \
--header 'Content-Type: application/json' \
--data-raw '{
    "input": {
        "target-nodes": {
            "node": ["IOSXR"]
        }
    }
}'
RPC Response, Status: 400
{
  "errors": {
    "error": [
      {
        "error-tag": "missing-element",
        "error-type": "application",
        "error-message": "Snapshot name cannot be empty. "
      }
    ]
  }
}

#Failed example

RPC input contains the name of the snapshot topology that should replace nodes in the UniConfig topology of the Configuration datastore, as well as a list of nodes from that snapshot. One node is missing in snapshot1 (IOSXRN). RPC output contains the result of the operation.

RPC Request
curl --location --request POST 'http://localhost:8181/rests/operations/snapshot-manager:replace-config-with-snapshot' \
--header 'Accept: application/json' \
--header 'Content-Type: application/json' \
--data-raw '{
    "input": {
        "name" : "snapshot1",
        "target-nodes": {
            "node": ["IOSXR","IOSXRN"]
        }
    }
}'
RPC Response, Status: 404
{
  "errors": {
    "error": [
      {
        "error-tag": "missing-element",
        "error-info": {
          "node-id": "IOSXRN"
        },
        "error-type": "application",
        "error-message": "UniConfig node does not exist in snapshot 'snapshot1'."
      }
    ]
  }
}

#Failed example

RPC input does not contain target nodes, so the RPC can not be executed.

RPC Request
curl --location --request POST 'http://localhost:8181/rests/operations/snapshot-manager:replace-config-with-snapshot' \
--header 'Accept: application/json' \
--header 'Content-Type: application/json' \
--data-raw '{
    "input": {
        "target-nodes": {
        }
    }
}'
RPC Response, Status: 400
{
  "errors": {
    "error": [
      {
        "error-tag": "missing-element",
        "error-type": "application",
        "error-message": "Nodes are not specified in input request"
      }
    ]
  }
}