mesh-catalog/modules/mssql/module.json

{
  "module": "mssql",
  "version": "1",
  "provides": [
    {
      "name": "mssql-database",
      "scope": "mesh",
      "identity": {
        "max": 128,
        "in": "a SQL Server login and database name"
      }
    }
  ],
  "capabilities": [
    "container-runtime"
  ],
  "emits": [
    "database.provisioned",
    "database.deprovisioned"
  ],
  "consumes": [
    "mssql.database.provisioned",
    "mssql.database.deprovisioned"
  ],
  "listens": [
    {
      "name": "database",
      "port": 1433,
      "protocol": "tcp",
      "from": "mesh",
      "why": "modules on any machine that were granted a database, and the people who were given its address; the machine port is the assignment's to pin"
    }
  ],
  "serves": {
    "mssql-database": {}
  },
  "receives": {
    "mssql-database": "${dir:grants}/mesh.json"
  },
  "grants": {
    "mssql-database": "${dir:grants}"
  },
  "own-secrets": {
    "sa": "${dir:state}/sa.secret",
    "reader": "${dir:state}/reader.secret"
  },
  "data": {
    "own": [
      {
        "id": "data",
        "path": "${dir:data}",
        "class": "valuable",
        "backup": {
          "dump": "{ cat ${dir:state}/sa.secret; echo; cat ${dir:state}/backup.sql; } | docker exec -i mssql sh -c 'read -r p; SQLCMDPASSWORD=\"$p\" exec /opt/mssql-tools18/bin/sqlcmd -C -b -S localhost -U sa -i /dev/stdin'",
          "into": "dumps"
        },
        "why": "every consumer's database; copied by the dump, not as live files"
      },
      {
        "id": "dumps",
        "path": "${dir:dumps}",
        "class": "rebuildable",
        "why": "last night's dump, made again every night"
      }
    ],
    "consumers": {
      "mssql-database": {
        "class": "valuable",
        "in": "data",
        "why": "a consumer's rows are the only copy of what it wrote"
      }
    }
  },
  "resources": [
    {
      "id": "state",
      "type": "directory",
      "mode": "0700",
      "place": "."
    },
    {
      "id": "grants",
      "type": "directory",
      "mode": "0700"
    },
    {
      "id": "sa-env",
      "type": "file",
      "path": "${dir:state}/sa.env",
      "mode": "0600",
      "content": "ACCEPT_EULA=Y\nMSSQL_SA_PASSWORD=${secret:sa}\n"
    },
    {
      "id": "data",
      "type": "directory",
      "mode": "0700",
      "owner": "10001:0"
    },
    {
      "id": "dumps",
      "type": "directory",
      "path": "${dir:data}/backup",
      "mode": "0700",
      "owner": "10001:0"
    },
    {
      "id": "net",
      "type": "network",
      "name": "mssql"
    },
    {
      "id": "server",
      "type": "container",
      "name": "mssql",
      "image": "mcr.microsoft.com/mssql/server@sha256:4402d880dd4c34bfa7d8705e56a86cd6c88da80a1f6bbbe741f999e76264a090",
      "network": "mssql",
      "env-file": [
        "${dir:state}/sa.env"
      ],
      "ports": [
        "1433"
      ],
      "volumes": [
        "${dir:data}:/var/opt/mssql"
      ],
      "secrets-in-environment": "the image documents only MSSQL_SA_PASSWORD, no _FILE and no configuration field; not convertible without a wrapper entrypoint"
    },
    {
      "id": "backup-sql",
      "type": "file",
      "path": "${dir:state}/backup.sql",
      "mode": "0600",
      "content": "SET NOCOUNT ON;\nDECLARE @n sysname, @s nvarchar(max);\nDECLARE c CURSOR LOCAL FAST_FORWARD FOR\n  SELECT name FROM sys.databases WHERE database_id > 4 AND state = 0 AND source_database_id IS NULL;\nOPEN c;\nFETCH NEXT FROM c INTO @n;\nWHILE @@FETCH_STATUS = 0\nBEGIN\n  SET @s = N'BACKUP DATABASE ' + QUOTENAME(@n) + N' TO DISK = N''/var/opt/mssql/backup/' + REPLACE(@n, N'''', N'''''') + N'.bak'' WITH INIT, COPY_ONLY, CHECKSUM';\n  EXEC (@s);\n  FETCH NEXT FROM c INTO @n;\nEND\nCLOSE c;\nDEALLOCATE c;\n"
    }
  ],
  "build": {
    "artifacts": [
      {
        "name": "code",
        "kind": "bundle",
        "language": "typescript",
        "entrypoints": [
          "index.js",
          "tools/index.js",
          "provisioner/index.js"
        ],
        "loads": [
          "index.js",
          "tools/index.js",
          "provisioner/index.js"
        ],
        "env": {
          "MESH_PROVISION_MSSQL": "mssql://sa@127.0.0.1:${port:1433}/master",
          "MESH_PROVISION_PASSWORD_FILE": "${dir:state}/sa.secret",
          "MESH_RECEIVES": "${dir:grants}/mesh.json",
          "MESH_MSSQL_READER_PASSWORD_FILE": "${dir:state}/reader.secret"
        }
      }
    ]
  }
}