[#527] Add support for select-filter expressions in policy playground

Signed-off-by: Alejandro Lopez <a.lopez@yadro.com>
This commit is contained in:
Alejandro Lopez 2023-07-17 13:59:37 +03:00 committed by Evgenii Stratonikov
parent f0355a453e
commit 4680087711
3 changed files with 28 additions and 11 deletions

View file

@ -82,15 +82,32 @@ func (repl *policyPlaygroundREPL) handleRemove(args []string) error {
}
func (repl *policyPlaygroundREPL) handleEval(args []string) error {
policyStr := strings.Join(args, " ")
placementPolicy, err := parseContainerPolicy(repl.cmd, policyStr)
if err != nil {
return fmt.Errorf("parsing placement policy: %v", err)
}
policyStr := strings.TrimSpace(strings.Join(args, " "))
var nodes [][]netmap.NodeInfo
nm := repl.netMap()
nodes, err := nm.ContainerNodes(*placementPolicy, nil)
if err != nil {
return fmt.Errorf("building container nodes: %v", err)
if strings.HasPrefix(policyStr, "CBF") || strings.HasPrefix(policyStr, "SELECT") || strings.HasPrefix(policyStr, "FILTER") {
// Assume that the input is a partial SELECT-FILTER expression.
// Full inline policies always start with UNIQUE or REP keywords,
// or different prefixes when it's the case of an external file.
sfExpr, err := netmap.DecodeSelectFilterString(policyStr)
if err != nil {
return fmt.Errorf("parsing select-filter expression: %v", err)
}
nodes, err = nm.SelectFilterNodes(sfExpr)
if err != nil {
return fmt.Errorf("building select-filter nodes: %v", err)
}
} else {
// Assume that the input is a full policy or input file otherwise.
placementPolicy, err := parseContainerPolicy(repl.cmd, policyStr)
if err != nil {
return fmt.Errorf("parsing placement policy: %v", err)
}
nodes, err = nm.ContainerNodes(*placementPolicy, nil)
if err != nil {
return fmt.Errorf("building container nodes: %v", err)
}
}
for i, ns := range nodes {
var ids []string