diff options
Diffstat (limited to 'middleware/kubernetes/k8sclient/k8sclient.go')
-rw-r--r-- | middleware/kubernetes/k8sclient/k8sclient.go | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/middleware/kubernetes/k8sclient/k8sclient.go b/middleware/kubernetes/k8sclient/k8sclient.go new file mode 100644 index 000000000..a05ef8905 --- /dev/null +++ b/middleware/kubernetes/k8sclient/k8sclient.go @@ -0,0 +1,117 @@ +package k8sclient + +import ( +// "fmt" + "net/url" +) + +// API strings +const ( + apiBase = "/api/v1" + apiNamespaces = "/namespaces" + apiServices = "/services" +) + +// Defaults +const ( + defaultBaseUrl = "http://localhost:8080" +) + + +type K8sConnector struct { + baseUrl string +} + +func (c *K8sConnector) SetBaseUrl(u string) error { + validUrl, error := url.Parse(u) + + if error != nil { + return error + } + c.baseUrl = validUrl.String() + + return nil +} + +func (c *K8sConnector) GetBaseUrl() string { + return c.baseUrl +} + + +func (c *K8sConnector) GetResourceList() *ResourceList { + resources := new(ResourceList) + + error := getJson((c.baseUrl + apiBase), resources) + if error != nil { + return nil + } + + return resources +} + + +func (c *K8sConnector) GetNamespaceList() *NamespaceList { + namespaces := new(NamespaceList) + + error := getJson((c.baseUrl + apiBase + apiNamespaces), namespaces) + if error != nil { + return nil + } + + return namespaces +} + + +func (c *K8sConnector) GetServiceList() *ServiceList { + services := new(ServiceList) + + error := getJson((c.baseUrl + apiBase + apiServices), services) + if error != nil { + return nil + } + + return services +} + + +func (c *K8sConnector) GetServicesByNamespace() map[string][]ServiceItem { + // GetServicesByNamespace returns a map of namespacename :: [ kubernetesServiceItem ] + + items := make(map[string][]ServiceItem) + + k8sServiceList := c.GetServiceList() + k8sItemList := k8sServiceList.Items + + for _, i := range k8sItemList { + namespace := i.Metadata.Namespace + items[namespace] = append(items[namespace], i) + } + + return items +} + + +func (c *K8sConnector) GetServiceItemInNamespace(namespace string, servicename string) *ServiceItem { + // GetServiceItemInNamespace returns the ServiceItem that matches servicename in the namespace + + itemMap := c.GetServicesByNamespace() + + // TODO: Handle case where namesapce == nil + + for _, x := range itemMap[namespace] { + if x.Metadata.Name == servicename { + return &x + } + } + + // No matching item found in namespace + return nil +} + + +func NewK8sConnector(baseurl string) *K8sConnector { + k := new(K8sConnector) + k.SetBaseUrl(baseurl) + + return k +} |