srijeet0406 commented on code in PR #7079:
URL: https://github.com/apache/trafficcontrol/pull/7079#discussion_r1007454708
##########
traffic_ops/traffic_ops_golang/server/servers_server_capability.go:
##########
@@ -453,77 +443,185 @@ func AssignMultipleServerCapabilities(w
http.ResponseWriter, r *http.Request) {
}
defer inf.Close()
- var msc tc.MultipleServerCapabilities
- if err := json.NewDecoder(r.Body).Decode(&msc); err != nil {
- api.HandleErr(w, r, tx, http.StatusBadRequest, err, nil)
+ var mssc tc.MultipleServersCapabilities
+ if err := json.NewDecoder(r.Body).Decode(&mssc); err != nil {
+ api.HandleErr(w, r, tx, http.StatusBadRequest,
fmt.Errorf("error decoding POST request body into MultipleServersCapabilities
struct %w", err), nil)
return
}
- // Check existence prior to checking type
- _, exists, err := dbhelpers.GetServerNameFromID(tx, int64(msc.ServerID))
- if err != nil {
- api.HandleErr(w, r, tx, http.StatusInternalServerError, nil,
err)
- }
- if !exists {
- userErr := fmt.Errorf("server %d does not exist", msc.ServerID)
- api.HandleErr(w, r, tx, http.StatusNotFound, userErr, nil)
- return
+ if len(mssc.ServerIDs) >= 1 {
+ errCode, userErr, sysErr = checkExistingServer(tx,
mssc.ServerIDs, inf.User.UserName)
+ if userErr != nil || sysErr != nil {
+ api.HandleErr(w, r, inf.Tx.Tx, errCode, userErr, sysErr)
+ return
+ }
}
// Ensure type is correct
- correctType := true
- if err := tx.QueryRow(scCheckServerTypeQuery(),
msc.ServerID).Scan(&correctType); err != nil {
- api.HandleErr(w, r, tx, http.StatusInternalServerError, nil,
fmt.Errorf("checking server type: %w", err))
+ errCode, userErr, sysErr = checkServerType(tx, mssc.ServerIDs)
+ if userErr != nil || sysErr != nil {
+ api.HandleErr(w, r, inf.Tx.Tx, errCode, userErr, sysErr)
return
}
- if !correctType {
- userErr := fmt.Errorf("server %d has an incorrect server type.
Server capabilities can only be assigned to EDGE or MID servers", msc.ServerID)
- api.HandleErr(w, r, tx, http.StatusBadRequest, userErr, nil)
- return
+
+ // Insert rows in DB
+ sid := make([]int64, len(mssc.ServerCapabilities))
+ scs := make([]string, len(mssc.ServerIDs))
+ if len(mssc.ServerIDs) == 1 {
+ if len(mssc.ServerCapabilities) >= 1 {
+ for i := range mssc.ServerCapabilities {
+ sid[i] = mssc.ServerIDs[0]
+ }
+ scs = mssc.ServerCapabilities
+ }
+ } else if len(mssc.ServerCapabilities) == 1 {
+ if len(mssc.ServerIDs) >= 1 {
+ for i := range mssc.ServerIDs {
+ scs[i] = mssc.ServerCapabilities[0]
+ }
+ sid = mssc.ServerIDs
+ }
+ } else {
+ scs = mssc.ServerCapabilities
+ sid = mssc.ServerIDs
}
- cdnName, err := dbhelpers.GetCDNNameFromServerID(tx,
int64(msc.ServerID))
+ msscQuery := `INSERT INTO server_server_capability
+ select "server_capability", "server"
+ FROM UNNEST($1::text[], $2::int[]) AS
tmp("server_capability", "server")`
+ _, err := tx.Query(msscQuery, pq.Array(scs), pq.Array(sid))
if err != nil {
- api.HandleErr(w, r, tx, http.StatusInternalServerError, nil,
err)
+ useErr, sysErr, statusCode := api.ParseDBError(err)
+ api.HandleErr(w, r, tx, statusCode, useErr, sysErr)
return
}
- userErr, sysErr, errCode = dbhelpers.CheckIfCurrentUserCanModifyCDN(tx,
string(cdnName), inf.User.UserName)
+ var alerts tc.Alerts
+ if mssc.PageType == "sc" {
+ alerts = tc.CreateAlerts(tc.SuccessLevel, "Assign Server(s) to
a capability")
+ } else {
+ alerts = tc.CreateAlerts(tc.SuccessLevel, "Assign Server
Capability(ies) to a server")
+ }
+ api.WriteAlertsObj(w, r, http.StatusOK, alerts, mssc)
+ return
+}
+
+// DeleteMultipleServersCapabilities deletes multiple servers to a capability
or multiple server capabilities to a server
+func DeleteMultipleServersCapabilities(w http.ResponseWriter, r *http.Request)
{
+ inf, userErr, sysErr, errCode := api.NewInfo(r, nil, nil)
+ tx := inf.Tx.Tx
if userErr != nil || sysErr != nil {
- api.HandleErr(w, r, tx, errCode, userErr, sysErr)
+ api.HandleErr(w, r, inf.Tx.Tx, errCode, userErr, sysErr)
return
}
+ defer inf.Close()
- //Delete existing rows from server_server_capability for a given server
- _, err = tx.Exec("DELETE FROM server_server_capability ssc WHERE
ssc.server=$1", msc.ServerID)
- if err != nil {
- useErr, sysErr, statusCode := api.ParseDBError(err)
- api.HandleErr(w, r, tx, statusCode, useErr, sysErr)
+ var mssc tc.MultipleServersCapabilities
+ if err := json.NewDecoder(r.Body).Decode(&mssc); err != nil {
+ api.HandleErr(w, r, tx, http.StatusBadRequest,
fmt.Errorf("error decoding DELETE request body into MultipleServersCapabilities
struct %w", err), nil)
return
}
- multipleServerCapabilities := make([]string, 0,
len(msc.ServerCapabilities))
+ if len(mssc.ServerIDs) >= 1 {
+ errCode, userErr, sysErr = checkExistingServer(tx,
mssc.ServerIDs, inf.User.UserName)
+ if userErr != nil || sysErr != nil {
+ api.HandleErr(w, r, inf.Tx.Tx, errCode, userErr, sysErr)
+ return
+ }
+ }
- mscQuery := `WITH inserted AS (
- INSERT INTO server_server_capability
- SELECT "server_capability", $2
- FROM UNNEST($1::text[]) AS tmp("server_capability")
- RETURNING server_capability
- )
- SELECT ARRAY_AGG(server_capability)
- FROM (
- SELECT server_capability
- FROM inserted
- ) AS returned(server_capability)`
+ //Delete existing rows from server_server_capability for a given server
or for a given capability
+ const delQuery = `DELETE FROM server_server_capability ssc WHERE `
+ var dq string
+ var alerts tc.Alerts
+ var result sql.Result
+ var err error
+ if mssc.PageType == "sc" {
+ dq = delQuery + `ssc.server_capability=$1`
+ if len(mssc.ServerIDs) == 1 {
+ dq = dq + ` AND ssc.server=$2`
+ result, err = tx.Exec(dq, mssc.ServerCapabilities[0],
mssc.ServerIDs[0])
+ } else {
+ result, err = tx.Exec(dq, mssc.ServerCapabilities[0])
+ }
+ } else {
+ dq = delQuery + `ssc.server=$1`
+ if len(mssc.ServerCapabilities) == 1 {
+ dq = dq + ` AND ssc.server_capability=$2`
+ result, err = tx.Exec(dq, mssc.ServerIDs[0],
mssc.ServerCapabilities[0])
+ } else {
+ result, err = tx.Exec(dq, mssc.ServerIDs[0])
+ }
+ }
- err = tx.QueryRow(mscQuery, pq.Array(msc.ServerCapabilities),
msc.ServerID).Scan(pq.Array(&multipleServerCapabilities))
if err != nil {
useErr, sysErr, statusCode := api.ParseDBError(err)
api.HandleErr(w, r, tx, statusCode, useErr, sysErr)
return
}
- msc.ServerCapabilities = multipleServerCapabilities
- alerts := tc.CreateAlerts(tc.SuccessLevel, "Multiple Server
Capabilities assigned to a server")
- api.WriteAlertsObj(w, r, http.StatusOK, alerts, msc)
+ rowsAffected, err := result.RowsAffected()
+ if err != nil {
+ api.HandleErr(w, r, tx, http.StatusInternalServerError,
fmt.Errorf("no rows were deleted from server_server_capability table: %w",
err), sysErr)
+ return
+ }
+ if rowsAffected >= 1 {
+ if mssc.PageType == "sc" {
+ alerts = tc.CreateAlerts(tc.SuccessLevel, "Removed
Server(s) associated with a capability")
+ } else {
+ alerts = tc.CreateAlerts(tc.SuccessLevel, "Removed
Server Capability(ies) associated with a server")
+ }
+ }
+
+ api.WriteAlertsObj(w, r, http.StatusOK, alerts, mssc)
return
}
+
+// checkExistingServer checks server existence
+func checkExistingServer(tx *sql.Tx, sidList []int64, uName string) (int,
error, error) {
+ for _, sid := range sidList {
+ _, exists, err := dbhelpers.GetServerNameFromID(tx, sid)
+ if err != nil {
+ return http.StatusInternalServerError, nil, err
+ }
+ if !exists {
+ userErr := fmt.Errorf("server %d does not exist", sid)
+ return http.StatusNotFound, userErr, nil
+ }
+
+ cdnName, err := dbhelpers.GetCDNNameFromServerID(tx, sid)
Review Comment:
How about something like this?
`select c.name from cdn c join server s on s.cdn_id = c.id where
s.id=<server ID>`
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