Nail/fission-src
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Retrieve function logs from controller (#207)

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Establish a proxy server from the controller to the log database.

Redirect query commands send from client to database then proxy back the db response.

Use parameter binding instead of fmt.Sprintf to prevent SQL injection.
This commit is contained in:
Ta-Ching Chen
2017-05-30 14:19:22 -07:00
committed by Soam Vasani
parent 531f69a037
commit 990d943f21
7 changed files with 158 additions and 103 deletions
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fission/function.go
+7 -24
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@@ -288,11 +288,6 @@ func fnLogs(c *cli.Context) error {
fatal("Need name of function, use --name")
}
dbHost := c.String("dbhost")
if len(dbHost) == 0 {
fatal("Need host address of log database, use --dbhost")
}
dbType := c.String("dbtype")
if len(dbType) == 0 {
dbType = logdb.INFLUXDB
@@ -304,13 +299,9 @@ func fnLogs(c *cli.Context) error {
f, err := client.FunctionGet(m)
checkErr(err, "get function")
auth := logdb.DBConfig{
DBType: dbType,
Endpoint: dbHost,
Username: c.String("username"),
Password: c.String("password"),
}
logDB, err := logdb.GetLogDB(auth)
// client first send db query to controller, then controller will
// establishe a proxy server that bridges the client and the database.
logDB, err := logdb.GetLogDB(dbType, c.GlobalString("server"))
if err != nil {
fatal("failed to connect log database")
}
@@ -369,11 +360,6 @@ func fnPods(c *cli.Context) error {
fatal("Need name of function, use --name")
}
dbHost := c.String("dbhost")
if len(dbHost) == 0 {
fatal("Need host address of log database, use --dbhost")
}
dbType := c.String("dbtype")
if len(dbType) == 0 {
dbType = logdb.INFLUXDB
@@ -384,13 +370,9 @@ func fnPods(c *cli.Context) error {
f, err := client.FunctionGet(m)
checkErr(err, "get function")
auth := logdb.DBConfig{
DBType: dbType,
Endpoint: dbHost,
Username: c.String("username"),
Password: c.String("password"),
}
logDB, err := logdb.GetLogDB(auth)
// client first sends db query to the controller, then the controller
// will establish a proxy server that bridges the client and the database.
logDB, err := logdb.GetLogDB(dbType, c.GlobalString("server"))
if err != nil {
fatal("failed to connect log database")
}
@@ -404,6 +386,7 @@ func fnPods(c *cli.Context) error {
fatal("failed to get pods of function")
return err
}
fmt.Printf("NAME\t\n")
for _, pod := range pods {
fmt.Println(pod)
}