autoimport

gistfile1.txt

# terraformer import azure -R edgeprime-oss -r subnet 
# terraform plan -out=tfplan
# terraform show -json tfplan > plan.json
# bash script to automatically import state to terraform
#!/bin/bash
# get all the ressources id and name from the state file
file="imported.tfstate"
# jq '.modules[].resources | .[] | {type: .type, id: .primary.id, name: .primary.attributes.name}' "$file"
# put the ressources id and name, and type with jq into the variable ressources
existing_ressources=$(jq '[.modules[].resources | .[] | { type: .type, name: .primary.attributes.name, id: .primary.id}]' imported.tfstate)
# example of output
# [
#   {
#     "type": "azurerm_subnet",
#     "name": "default",
#     "id": "/subscriptions/d33e5a70-b90d-4231-bb11-70f99afedbae/resourceGroups/edgeprime-oss/providers/Microsoft.Network/virtualNetworks/edgeprime-vnet/subnets/default"
#   },
#   {
#     "type": "azurerm_subnet",
#     "name": "subnet1",
#     "id": "/subscriptions/d33e5a70-b90d-4231-bb11-70f99afedbae/resourceGroups/edgeprime-oss/providers/Microsoft.Network/virtualNetworks/edgeprime-vnet/subnets/subnet1"
#   },
#   {
#     "type": "azurerm_subnet",
#     "name": "subnet2",
#     "id": "/subscriptions/d33e5a70-b90d-4231-bb11-70f99afedbae/resourceGroups/edgeprime-oss/providers/Microsoft.Network/virtualNetworks/edgeprime-vnet/subnets/subnet2"
#   },
#   {
#     "type": "azurerm_subnet",
#     "name": "subnet3",
#     "id": "/subscriptions/d33e5a70-b90d-4231-bb11-70f99afedbae/resourceGroups/edgeprime-oss/providers/Microsoft.Network/virtualNetworks/edgeprime-vnet/subnets/subnet3"
#   }
# ]
tfplan="plan.json"
planned_ressources=$(jq '[.planned_values.root_module.resources | .[] | {name: .index, type: .type, address: .address }]' "$tfplan")
# example of output
# [
#   {
#     "name": "default",
#     "type": "azurerm_subnet",
#     "address": "azurerm_subnet.gov[\"default\"]"
#   },
#   {
#     "name": "subnet1",
#     "type": "azurerm_subnet",
#     "address": "azurerm_subnet.gov[\"subnet1\"]"
#   },
#   {
#     "name": "subnet2",
#     "type": "azurerm_subnet",
#     "address": "azurerm_subnet.gov[\"subnet2\"]"
#   },
#   {
#     "name": "subnet3",
#     "type": "azurerm_subnet",
#     "address": "azurerm_subnet.gov[\"subnet3\"]"
#   }
# ]

# join the two json array existing_ressources and planned_ressources grouped by name and type
ressources_to_import=$(jq -n --argjson existing_ressources "$existing_ressources" --argjson planned_ressources "$planned_ressources" '($existing_ressources + $planned_ressources) | group_by(.name, .type) | map({name: .[0].name, type: .[0].type, id: .[0].id, address: .[1].address})')
# example of output
# [
#   {
#     "name": "default",
#     "type": "azurerm_subnet",
#     "id": "/subscriptions/d33e5a70-b90d-4231-bb11-70f99afedbae/resourceGroups/edgeprime-oss/providers/Microsoft.Network/virtualNetworks/edgeprime-vnet/subnets/default",
#     "address": "azurerm_subnet.gov[\"default\"]"
#   },
#   {
#     "name": "subnet1",
#     "type": "azurerm_subnet",
#     "id": "/subscriptions/d33e5a70-b90d-4231-bb11-70f99afedbae/resourceGroups/edgeprime-oss/providers/Microsoft.Network/virtualNetworks/edgeprime-vnet/subnets/subnet1",
#     "address": "azurerm_subnet.gov[\"subnet1\"]"
#   },
#   {
#     "name": "subnet2",
#     "type": "azurerm_subnet",
#     "id": "/subscriptions/d33e5a70-b90d-4231-bb11-70f99afedbae/resourceGroups/edgeprime-oss/providers/Microsoft.Network/virtualNetworks/edgeprime-vnet/subnets/subnet2",
#     "address": "azurerm_subnet.gov[\"subnet2\"]"
#   },
#   {
#     "name": "subnet3",
#     "type": "azurerm_subnet",
#     "id": "/subscriptions/d33e5a70-b90d-4231-bb11-70f99afedbae/resourceGroups/edgeprime-oss/providers/Microsoft.Network/virtualNetworks/edgeprime-vnet/subnets/subnet3",
#     "address": "azurerm_subnet.gov[\"subnet3\"]"
#   }
# ]
# terraform state import all the ressources in the variable ressources_to_import based on the address and id
echo "$ressources_to_import" | jq -r '.[] | "terraform import \(.address) \(.id)"'