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115 lines
3.8 KiB
115 lines
3.8 KiB
package lb
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import (
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"context"
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"errors"
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"net/http"
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"strconv"
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)
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// Request struct for add server definition to the backend
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type BackendServerAddRequest struct {
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// ID of the load balancer instance to BackendServerAdd
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// Required: true
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LBID uint64 `url:"lbId" json:"lbId"`
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// Must match one of the existing backens - name of the backend to add servers to
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// Required: true
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BackendName string `url:"backendName" json:"backendName"`
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// Must be unique among all servers defined for this backend - name of the server definition to add
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// Required: true
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ServerName string `url:"serverName" json:"serverName"`
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// IP address of the server
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// Required: true
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Address string `url:"address" json:"address"`
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// Port number on the server
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// Required: true
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Port uint64 `url:"port" json:"port"`
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// Set to disabled if this server should be used regardless of its state
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// Required: false
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Check string `url:"check,omitempty" json:"check,omitempty"`
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// Interval in milliseconds between two consecutive availability checks of the server that is considered available
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// Required: false
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Inter uint64 `url:"inter,omitempty" json:"inter,omitempty"`
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// Interval in milliseconds between two consecutive checks to restore
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// the availability of a server that is currently considered unavailable
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// Required: false
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DownInter uint64 `url:"downinter,omitempty" json:"downinter,omitempty"`
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// Number of checks that the server must pass in order to get
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// the available status and be included in the balancing scheme again
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// Required: false
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Rise uint64 `url:"rise,omitempty" json:"rise,omitempty"`
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// Number of consecutive failed availability checks,
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// after which the previously considered available server receives the status of unavailable and
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// is temporarily excluded from the balancing scheme
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// Required: false
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Fall uint64 `url:"fall,omitempty" json:"fall,omitempty"`
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// Interval in milliseconds from the moment the server receives the available status,
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// after which the number of actually allowed connections to this server will be returned to 100% of the set limit
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// Required: false
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SlowStart uint64 `url:"slowstart,omitempty" json:"slowstart,omitempty"`
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// Limit of simultaneous connections to the server. When this limit is reached, the server is temporarily excluded from the balancing scheme
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// Required: false
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MaxConn uint64 `url:"maxconn,omitempty" json:"maxconn,omitempty"`
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// Limit of connections waiting in the queue. When this limit is reached, all subsequent connections will be forwarded to other servers
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// Required: false
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MaxQueue uint64 `url:"maxqueue,omitempty" json:"maxqueue,omitempty"`
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// Server weight for use in weight balancing algorithms
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// Required: false
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Weight uint64 `url:"weight,omitempty" json:"weight,omitempty"`
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}
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func (lbrq BackendServerAddRequest) validate() error {
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if lbrq.LBID == 0 {
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return errors.New("validation-error: field LBID must be set")
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}
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if lbrq.BackendName == "" {
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return errors.New("validation-error: field BackendName must be set")
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}
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if lbrq.ServerName == "" {
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return errors.New("validation-error: field ServerName must be set")
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}
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if lbrq.Address == "" {
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return errors.New("validation-error: field Address must be set")
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}
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if lbrq.Port == 0 {
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return errors.New("validation-error: field Port must be set")
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}
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return nil
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}
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// BackendServerAdd adds server definition to the backend on the specified load balancer
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func (lb LB) BackendServerAdd(ctx context.Context, req BackendServerAddRequest) (bool, error) {
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err := req.validate()
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if err != nil {
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return false, err
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}
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url := "/cloudbroker/lb/backendServerAdd"
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res, err := lb.client.DecortApiCall(ctx, http.MethodPost, url, req)
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if err != nil {
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return false, err
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}
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result, err := strconv.ParseBool(string(res))
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if err != nil {
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return false, err
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}
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return result, nil
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}
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