seaweedfs/weed/command/scaffold.go
Jonathan Amsterdam 8db82e2b75 notification: add Go CDK pubsub support
Add the gocdk_pub_sub package, which supports the Go Cloud Development
Kit pubsub API.

Link in all current providers.

Update the notification scaffold.
2019-03-20 07:57:58 -04:00

304 lines
8.3 KiB
Go

package command
import (
"io/ioutil"
"path/filepath"
)
func init() {
cmdScaffold.Run = runScaffold // break init cycle
}
var cmdScaffold = &Command{
UsageLine: "scaffold -config=[filer|notification|replication|security]",
Short: "generate basic configuration files",
Long: `Generate filer.toml with all possible configurations for you to customize.
`,
}
var (
outputPath = cmdScaffold.Flag.String("output", "", "if not empty, save the configuration file to this directory")
config = cmdScaffold.Flag.String("config", "filer", "[filer|notification|replication|security] the configuration file to generate")
)
func runScaffold(cmd *Command, args []string) bool {
content := ""
switch *config {
case "filer":
content = FILER_TOML_EXAMPLE
case "notification":
content = NOTIFICATION_TOML_EXAMPLE
case "replication":
content = REPLICATION_TOML_EXAMPLE
case "security":
content = SECURITY_TOML_EXAMPLE
}
if content == "" {
println("need a valid -config option")
return false
}
if *outputPath != "" {
ioutil.WriteFile(filepath.Join(*outputPath, *config+".toml"), []byte(content), 0644)
} else {
println(content)
}
return true
}
const (
FILER_TOML_EXAMPLE = `
# A sample TOML config file for SeaweedFS filer store
# Used with "weed filer" or "weed server -filer"
# Put this file to one of the location, with descending priority
# ./filer.toml
# $HOME/.seaweedfs/filer.toml
# /etc/seaweedfs/filer.toml
[memory]
# local in memory, mostly for testing purpose
enabled = false
[leveldb]
# local on disk, mostly for simple single-machine setup, fairly scalable
enabled = true
dir = "." # directory to store level db files
####################################################
# multiple filers on shared storage, fairly scalable
####################################################
[mysql]
# CREATE TABLE IF NOT EXISTS filemeta (
# dirhash BIGINT COMMENT 'first 64 bits of MD5 hash value of directory field',
# name VARCHAR(1000) COMMENT 'directory or file name',
# directory VARCHAR(4096) COMMENT 'full path to parent directory',
# meta BLOB,
# PRIMARY KEY (dirhash, name)
# ) DEFAULT CHARSET=utf8;
enabled = false
hostname = "localhost"
port = 3306
username = "root"
password = ""
database = "" # create or use an existing database
connection_max_idle = 2
connection_max_open = 100
[postgres]
# CREATE TABLE IF NOT EXISTS filemeta (
# dirhash BIGINT,
# name VARCHAR(1000),
# directory VARCHAR(4096),
# meta bytea,
# PRIMARY KEY (dirhash, name)
# );
enabled = false
hostname = "localhost"
port = 5432
username = "postgres"
password = ""
database = "" # create or use an existing database
sslmode = "disable"
connection_max_idle = 100
connection_max_open = 100
[cassandra]
# CREATE TABLE filemeta (
# directory varchar,
# name varchar,
# meta blob,
# PRIMARY KEY (directory, name)
# ) WITH CLUSTERING ORDER BY (name ASC);
enabled = false
keyspace="seaweedfs"
hosts=[
"localhost:9042",
]
[redis]
enabled = false
address = "localhost:6379"
password = ""
db = 0
[redis_cluster]
enabled = false
addresses = [
"localhost:30001",
"localhost:30002",
"localhost:30003",
"localhost:30004",
"localhost:30005",
"localhost:30006",
]
`
NOTIFICATION_TOML_EXAMPLE = `
# A sample TOML config file for SeaweedFS filer store
# Used by both "weed filer" or "weed server -filer" and "weed filer.replicate"
# Put this file to one of the location, with descending priority
# ./notification.toml
# $HOME/.seaweedfs/notification.toml
# /etc/seaweedfs/notification.toml
####################################################
# notification
# send and receive filer updates for each file to an external message queue
####################################################
[notification.log]
# this is only for debugging perpose and does not work with "weed filer.replicate"
enabled = false
[notification.kafka]
enabled = false
hosts = [
"localhost:9092"
]
topic = "seaweedfs_filer"
offsetFile = "./last.offset"
offsetSaveIntervalSeconds = 10
[notification.aws_sqs]
# experimental, let me know if it works
enabled = false
aws_access_key_id = "" # if empty, loads from the shared credentials file (~/.aws/credentials).
aws_secret_access_key = "" # if empty, loads from the shared credentials file (~/.aws/credentials).
region = "us-east-2"
sqs_queue_name = "my_filer_queue" # an existing queue name
[notification.google_pub_sub]
# read credentials doc at https://cloud.google.com/docs/authentication/getting-started
enabled = false
google_application_credentials = "/path/to/x.json" # path to json credential file
project_id = "" # an existing project id
topic = "seaweedfs_filer_topic" # a topic, auto created if does not exists
[notification.gocdk_pub_sub]
# The Go Cloud Development Kit (https://gocloud.dev).
# PubSub API (https://godoc.org/gocloud.dev/pubsub).
# Supports AWS SNS/SQS, Azure Service Bus, Google PubSub, NATS and RabbitMQ.
enabled = false
# This URL will Dial the RabbitMQ server at the URL in the environment
# variable RABBIT_SERVER_URL and open the exchange "myexchange".
# The exchange must have already been created by some other means, like
# the RabbitMQ management plugin.
topic_url = "rabbit://myexchange"
`
REPLICATION_TOML_EXAMPLE = `
# A sample TOML config file for replicating SeaweedFS filer
# Used with "weed filer.replicate"
# Put this file to one of the location, with descending priority
# ./replication.toml
# $HOME/.seaweedfs/replication.toml
# /etc/seaweedfs/replication.toml
[source.filer]
enabled = true
grpcAddress = "localhost:18888"
# all files under this directory tree are replicated.
# this is not a directory on your hard drive, but on your filer.
# i.e., all files with this "prefix" are sent to notification message queue.
directory = "/buckets"
[sink.filer]
enabled = false
grpcAddress = "localhost:18888"
# all replicated files are under this directory tree
# this is not a directory on your hard drive, but on your filer.
# i.e., all received files will be "prefixed" to this directory.
directory = "/backup"
replication = ""
collection = ""
ttlSec = 0
[sink.s3]
# read credentials doc at https://docs.aws.amazon.com/sdk-for-go/v1/developer-guide/sessions.html
# default loads credentials from the shared credentials file (~/.aws/credentials).
enabled = false
aws_access_key_id = "" # if empty, loads from the shared credentials file (~/.aws/credentials).
aws_secret_access_key = "" # if empty, loads from the shared credentials file (~/.aws/credentials).
region = "us-east-2"
bucket = "your_bucket_name" # an existing bucket
directory = "/" # destination directory
[sink.google_cloud_storage]
# read credentials doc at https://cloud.google.com/docs/authentication/getting-started
enabled = false
google_application_credentials = "/path/to/x.json" # path to json credential file
bucket = "your_bucket_seaweedfs" # an existing bucket
directory = "/" # destination directory
[sink.azure]
# experimental, let me know if it works
enabled = false
account_name = ""
account_key = ""
container = "mycontainer" # an existing container
directory = "/" # destination directory
[sink.backblaze]
enabled = false
b2_account_id = ""
b2_master_application_key = ""
bucket = "mybucket" # an existing bucket
directory = "/" # destination directory
`
SECURITY_TOML_EXAMPLE = `
# Put this file to one of the location, with descending priority
# ./security.toml
# $HOME/.seaweedfs/security.toml
# /etc/seaweedfs/security.toml
# this file is read by master, volume server, and filer
# the jwt signing key is read by master and volume server
# a jwt expires in 10 seconds
[jwt.signing]
key = ""
# all grpc tls authentications are mutual
# the values for the following ca, cert, and key are paths to the PERM files.
[grpc]
ca = ""
[grpc.volume]
cert = ""
key = ""
[grpc.master]
cert = ""
key = ""
[grpc.filer]
cert = ""
key = ""
# use this for any place needs a grpc client
# i.e., "weed backup|benchmark|filer.copy|filer.replicate|mount|s3|upload"
[grpc.client]
cert = ""
key = ""
# volume server https options
# Note: work in progress!
# this does not work with other clients, e.g., "weed filer|mount" etc, yet.
[https.client]
enabled = true
[https.volume]
cert = ""
key = ""
`
)