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authorKiran Kamineni <kiran.k.kamineni@intel.com>2019-08-07 15:45:54 -0700
committerKiran Kamineni <kiran.k.kamineni@intel.com>2019-08-13 12:48:48 -0700
commitf22ab29dff2b69aaadd748c34c259f25dacec52d (patch)
tree1790140cbc7baa5e73f3acf862852f5001e9c0a0 /src/k8splugin/internal/app/instance.go
parent845cdd2aa5d790e57b0b2999180df4abc6724bf1 (diff)
Add query parameters support to instance API
Add support for query parameters to find instances with rb-name, rb-version, profile-name as query parameters eg: curl IP:PORT/v1/instance?rb-name=test&rb-version=v1 Issue-ID: MULTICLOUD-662 Change-Id: If68c87885c8b8dd097cbb3860e8c7320310a6ef7 Signed-off-by: Kiran Kamineni <kiran.k.kamineni@intel.com>
Diffstat (limited to 'src/k8splugin/internal/app/instance.go')
-rw-r--r--src/k8splugin/internal/app/instance.go92
1 files changed, 37 insertions, 55 deletions
diff --git a/src/k8splugin/internal/app/instance.go b/src/k8splugin/internal/app/instance.go
index 5cfdaea1..cf96d50c 100644
--- a/src/k8splugin/internal/app/instance.go
+++ b/src/k8splugin/internal/app/instance.go
@@ -60,8 +60,8 @@ type InstanceMiniResponse struct {
type InstanceManager interface {
Create(i InstanceRequest) (InstanceResponse, error)
Get(id string) (InstanceResponse, error)
- List() ([]InstanceMiniResponse, error)
- Find(rbName string, ver string, profile string, labelKeys map[string]string) ([]InstanceResponse, error)
+ List(rbname, rbversion, profilename string) ([]InstanceMiniResponse, error)
+ Find(rbName string, ver string, profile string, labelKeys map[string]string) ([]InstanceMiniResponse, error)
Delete(id string) error
}
@@ -184,7 +184,7 @@ func (v *InstanceClient) Get(id string) (InstanceResponse, error) {
// List returns the instance for corresponding ID
// Empty string returns all
-func (v *InstanceClient) List() ([]InstanceMiniResponse, error) {
+func (v *InstanceClient) List(rbname, rbversion, profilename string) ([]InstanceMiniResponse, error) {
dbres, err := db.DBconn.ReadAll(v.storeName, v.tagInst)
if err != nil || len(dbres) == 0 {
@@ -192,6 +192,7 @@ func (v *InstanceClient) List() ([]InstanceMiniResponse, error) {
}
var results []InstanceMiniResponse
+
for key, value := range dbres {
//value is a byte array
if value != nil {
@@ -206,6 +207,21 @@ func (v *InstanceClient) List() ([]InstanceMiniResponse, error) {
Request: resp.Request,
Namespace: resp.Namespace,
}
+
+ //Filter based on the accepted keys
+ if len(rbname) != 0 &&
+ miniresp.Request.RBName != rbname {
+ continue
+ }
+ if len(rbversion) != 0 &&
+ miniresp.Request.RBVersion != rbversion {
+ continue
+ }
+ if len(profilename) != 0 &&
+ miniresp.Request.ProfileName != profilename {
+ continue
+ }
+
results = append(results, miniresp)
}
}
@@ -218,70 +234,36 @@ func (v *InstanceClient) List() ([]InstanceMiniResponse, error) {
// If profile is empty, it will return all instances for a given rbName+version
// If labelKeys are provided, the results are filtered based on that.
// It is an AND operation for labelkeys.
-func (v *InstanceClient) Find(rbName string, version string, profile string, labelKeys map[string]string) ([]InstanceResponse, error) {
+func (v *InstanceClient) Find(rbName string, version string, profile string, labelKeys map[string]string) ([]InstanceMiniResponse, error) {
if rbName == "" && len(labelKeys) == 0 {
- return []InstanceResponse{}, pkgerrors.New("rbName or labelkeys is required and cannot be empty")
+ return []InstanceMiniResponse{}, pkgerrors.New("rbName or labelkeys is required and cannot be empty")
}
- values, err := db.DBconn.ReadAll(v.storeName, v.tagInst)
- if err != nil || len(values) == 0 {
- return []InstanceResponse{}, pkgerrors.Wrap(err, "Find Instance")
+ responses, err := v.List(rbName, version, profile)
+ if err != nil {
+ return []InstanceMiniResponse{}, pkgerrors.Wrap(err, "Listing Instances")
}
- response := []InstanceResponse{}
- //values is a map[string][]byte
-InstanceResponseLoop:
- for _, value := range values {
- resp := InstanceResponse{}
- db.DBconn.Unmarshal(value, &resp)
- if err != nil {
- return []InstanceResponse{}, pkgerrors.Wrap(err, "Unmarshaling Instance Value")
- }
+ ret := []InstanceMiniResponse{}
- // Filter by labels provided
- if len(labelKeys) != 0 {
- for lkey, lvalue := range labelKeys {
- //Check if label key exists and get its value
- if val, ok := resp.Request.Labels[lkey]; ok {
- if lvalue != val {
- continue InstanceResponseLoop
- }
- } else {
- continue InstanceResponseLoop
- }
- }
- }
+ //filter the list by labelKeys now
+ for _, resp := range responses {
- if rbName != "" {
- if resp.Request.RBName == rbName {
-
- //Check if a version is provided and if it matches
- if version != "" {
- if resp.Request.RBVersion == version {
- //Check if a profilename matches or if it is not provided
- if profile == "" || resp.Request.ProfileName == profile {
- response = append(response, resp)
- }
- }
- } else {
- //Append all versions as version is not provided
- response = append(response, resp)
- }
+ add := true
+ for k, v := range labelKeys {
+ if resp.Request.Labels[k] != v {
+ add = false
+ break
}
- } else {
- response = append(response, resp)
}
- }
-
- //filter the list by labelKeys now
- for _, value := range response {
- for _, label := range labelKeys {
- if _, ok := value.Request.Labels[label]; ok {
- }
+ // If label was not found in the response, don't add it
+ if add {
+ ret = append(ret, resp)
}
+
}
- return response, nil
+ return ret, nil
}
// Delete the Instance from database