open-nomad/nomad/search_endpoint_oss.go

103 lines
2.8 KiB
Go

// +build !ent
package nomad
import (
"fmt"
memdb "github.com/hashicorp/go-memdb"
"github.com/hashicorp/nomad/acl"
"github.com/hashicorp/nomad/nomad/state"
"github.com/hashicorp/nomad/nomad/structs"
)
var (
// allContexts are the available contexts which are searched to find matches
// for a given prefix
allContexts = ossContexts
)
// contextToIndex returns the index name to lookup in the state store.
func contextToIndex(ctx structs.Context) string {
return string(ctx)
}
// getEnterpriseMatch is a no-op in oss since there are no enterprise objects.
func getEnterpriseMatch(match interface{}) (id string, ok bool) {
return "", false
}
// getEnterpriseResourceIter is used to retrieve an iterator over an enterprise
// only table.
func getEnterpriseResourceIter(context structs.Context, _ *acl.ACL, namespace, prefix string, ws memdb.WatchSet, state *state.StateStore) (memdb.ResultIterator, error) {
// If we have made it here then it is an error since we have exhausted all
// open source contexts.
return nil, fmt.Errorf("context must be one of %v or 'all' for all contexts; got %q", allContexts, context)
}
// anySearchPerms returns true if the provided ACL has access to any
// capabilities required for prefix searching. Returns true if aclObj is nil.
func anySearchPerms(aclObj *acl.ACL, namespace string, context structs.Context) bool {
if aclObj == nil {
return true
}
nodeRead := aclObj.AllowNodeRead()
jobRead := aclObj.AllowNsOp(namespace, acl.NamespaceCapabilityReadJob)
if !nodeRead && !jobRead {
return false
}
// Reject requests that explicitly specify a disallowed context. This
// should give the user better feedback then simply filtering out all
// results and returning an empty list.
if !nodeRead && context == structs.Nodes {
return false
}
if !jobRead {
switch context {
case structs.Allocs, structs.Deployments, structs.Evals, structs.Jobs:
return false
}
}
return true
}
// searchContexts returns the contexts the aclObj is valid for. If aclObj is
// nil all contexts are returned.
func searchContexts(aclObj *acl.ACL, namespace string, context structs.Context) []structs.Context {
var all []structs.Context
switch context {
case structs.All:
all = make([]structs.Context, len(allContexts))
copy(all, allContexts)
default:
all = []structs.Context{context}
}
// If ACLs aren't enabled return all contexts
if aclObj == nil {
return all
}
jobRead := aclObj.AllowNsOp(namespace, acl.NamespaceCapabilityReadJob)
// Filter contexts down to those the ACL grants access to
available := make([]structs.Context, 0, len(all))
for _, c := range all {
switch c {
case structs.Allocs, structs.Jobs, structs.Evals, structs.Deployments:
if jobRead {
available = append(available, c)
}
case structs.Nodes:
if aclObj.AllowNodeRead() {
available = append(available, c)
}
}
}
return available
}