influxdb/http/notification_rule.go

890 lines
27 KiB
Go

package http
import (
"bytes"
"context"
"encoding/json"
"fmt"
"net/http"
"path"
"time"
"github.com/influxdata/httprouter"
"github.com/influxdata/influxdb/v2"
pctx "github.com/influxdata/influxdb/v2/context"
"github.com/influxdata/influxdb/v2/kit/platform"
"github.com/influxdata/influxdb/v2/kit/platform/errors"
"github.com/influxdata/influxdb/v2/notification/rule"
"github.com/influxdata/influxdb/v2/pkg/httpc"
"github.com/influxdata/influxdb/v2/task/taskmodel"
"go.uber.org/zap"
)
var _ influxdb.NotificationRuleStore = (*NotificationRuleService)(nil)
type statusDecode struct {
Status *influxdb.Status `json:"status"`
}
// NotificationRuleBackend is all services and associated parameters required to construct
// the NotificationRuleBackendHandler.
type NotificationRuleBackend struct {
errors.HTTPErrorHandler
log *zap.Logger
AlgoWProxy FeatureProxyHandler
NotificationRuleStore influxdb.NotificationRuleStore
NotificationEndpointService influxdb.NotificationEndpointService
UserResourceMappingService influxdb.UserResourceMappingService
LabelService influxdb.LabelService
UserService influxdb.UserService
OrganizationService influxdb.OrganizationService
TaskService taskmodel.TaskService
}
// NewNotificationRuleBackend returns a new instance of NotificationRuleBackend.
func NewNotificationRuleBackend(log *zap.Logger, b *APIBackend) *NotificationRuleBackend {
return &NotificationRuleBackend{
HTTPErrorHandler: b.HTTPErrorHandler,
log: log,
AlgoWProxy: b.AlgoWProxy,
NotificationRuleStore: b.NotificationRuleStore,
NotificationEndpointService: b.NotificationEndpointService,
UserResourceMappingService: b.UserResourceMappingService,
LabelService: b.LabelService,
UserService: b.UserService,
OrganizationService: b.OrganizationService,
TaskService: b.TaskService,
}
}
// NotificationRuleHandler is the handler for the notification rule service
type NotificationRuleHandler struct {
*httprouter.Router
errors.HTTPErrorHandler
log *zap.Logger
NotificationRuleStore influxdb.NotificationRuleStore
NotificationEndpointService influxdb.NotificationEndpointService
UserResourceMappingService influxdb.UserResourceMappingService
LabelService influxdb.LabelService
UserService influxdb.UserService
OrganizationService influxdb.OrganizationService
TaskService taskmodel.TaskService
}
const (
prefixNotificationRules = "/api/v2/notificationRules"
notificationRulesIDPath = "/api/v2/notificationRules/:id"
notificationRulesIDQueryPath = "/api/v2/notificationRules/:id/query"
notificationRulesIDMembersPath = "/api/v2/notificationRules/:id/members"
notificationRulesIDMembersIDPath = "/api/v2/notificationRules/:id/members/:userID"
notificationRulesIDOwnersPath = "/api/v2/notificationRules/:id/owners"
notificationRulesIDOwnersIDPath = "/api/v2/notificationRules/:id/owners/:userID"
notificationRulesIDLabelsPath = "/api/v2/notificationRules/:id/labels"
notificationRulesIDLabelsIDPath = "/api/v2/notificationRules/:id/labels/:lid"
)
// NewNotificationRuleHandler returns a new instance of NotificationRuleHandler.
func NewNotificationRuleHandler(log *zap.Logger, b *NotificationRuleBackend) *NotificationRuleHandler {
h := &NotificationRuleHandler{
Router: NewRouter(b.HTTPErrorHandler),
HTTPErrorHandler: b.HTTPErrorHandler,
log: log,
NotificationRuleStore: b.NotificationRuleStore,
NotificationEndpointService: b.NotificationEndpointService,
UserResourceMappingService: b.UserResourceMappingService,
LabelService: b.LabelService,
UserService: b.UserService,
OrganizationService: b.OrganizationService,
TaskService: b.TaskService,
}
h.Handler("POST", prefixNotificationRules, withFeatureProxy(b.AlgoWProxy, http.HandlerFunc(h.handlePostNotificationRule)))
h.HandlerFunc("GET", prefixNotificationRules, h.handleGetNotificationRules)
h.HandlerFunc("GET", notificationRulesIDPath, h.handleGetNotificationRule)
h.HandlerFunc("GET", notificationRulesIDQueryPath, h.handleGetNotificationRuleQuery)
h.HandlerFunc("DELETE", notificationRulesIDPath, h.handleDeleteNotificationRule)
h.Handler("PUT", notificationRulesIDPath, withFeatureProxy(b.AlgoWProxy, http.HandlerFunc(h.handlePutNotificationRule)))
h.Handler("PATCH", notificationRulesIDPath, withFeatureProxy(b.AlgoWProxy, http.HandlerFunc(h.handlePatchNotificationRule)))
memberBackend := MemberBackend{
HTTPErrorHandler: b.HTTPErrorHandler,
log: b.log.With(zap.String("handler", "member")),
ResourceType: influxdb.NotificationRuleResourceType,
UserType: influxdb.Member,
UserResourceMappingService: b.UserResourceMappingService,
UserService: b.UserService,
}
h.HandlerFunc("POST", notificationRulesIDMembersPath, newPostMemberHandler(memberBackend))
h.HandlerFunc("GET", notificationRulesIDMembersPath, newGetMembersHandler(memberBackend))
h.HandlerFunc("DELETE", notificationRulesIDMembersIDPath, newDeleteMemberHandler(memberBackend))
ownerBackend := MemberBackend{
HTTPErrorHandler: b.HTTPErrorHandler,
log: b.log.With(zap.String("handler", "member")),
ResourceType: influxdb.NotificationRuleResourceType,
UserType: influxdb.Owner,
UserResourceMappingService: b.UserResourceMappingService,
UserService: b.UserService,
}
h.HandlerFunc("POST", notificationRulesIDOwnersPath, newPostMemberHandler(ownerBackend))
h.HandlerFunc("GET", notificationRulesIDOwnersPath, newGetMembersHandler(ownerBackend))
h.HandlerFunc("DELETE", notificationRulesIDOwnersIDPath, newDeleteMemberHandler(ownerBackend))
labelBackend := &LabelBackend{
HTTPErrorHandler: b.HTTPErrorHandler,
log: b.log.With(zap.String("handler", "label")),
LabelService: b.LabelService,
ResourceType: influxdb.NotificationRuleResourceType,
}
h.HandlerFunc("GET", notificationRulesIDLabelsPath, newGetLabelsHandler(labelBackend))
h.HandlerFunc("POST", notificationRulesIDLabelsPath, newPostLabelHandler(labelBackend))
h.HandlerFunc("DELETE", notificationRulesIDLabelsIDPath, newDeleteLabelHandler(labelBackend))
return h
}
type notificationRuleLinks struct {
Self string `json:"self"`
Labels string `json:"labels"`
Members string `json:"members"`
Owners string `json:"owners"`
Query string `json:"query"`
}
type notificationRuleResponse struct {
influxdb.NotificationRule
Labels []influxdb.Label `json:"labels"`
Links notificationRuleLinks `json:"links"`
Status string `json:"status"`
LatestCompleted time.Time `json:"latestCompleted,omitempty"`
LatestScheduled time.Time `json:"latestScheduled,omitempty"`
LastRunStatus string `json:"LastRunStatus,omitempty"`
LastRunError string `json:"LastRunError,omitempty"`
TaskID platform.ID `json:"taskID,omitempty"`
}
type ruleResponseMeta struct {
Labels []influxdb.Label `json:"labels"`
Links notificationRuleLinks `json:"links"`
Status string `json:"status"`
LatestCompleted time.Time `json:"latestCompleted,omitempty"`
LatestScheduled time.Time `json:"latestScheduled,omitempty"`
LastRunStatus string `json:"lastRunStatus,omitempty"`
LastRunError string `json:"lastRunError,omitempty"`
TaskID platform.ID `json:"taskID,omitempty"`
}
func (resp *notificationRuleResponse) UnmarshalJSON(v []byte) (err error) {
var responseMeta ruleResponseMeta
if err = json.Unmarshal(v, &responseMeta); err != nil {
return
}
resp.Labels = responseMeta.Labels
resp.Links = responseMeta.Links
resp.Status = responseMeta.Status
resp.LatestCompleted = responseMeta.LatestCompleted
resp.LatestScheduled = responseMeta.LatestScheduled
resp.LastRunStatus = responseMeta.LastRunStatus
resp.LastRunError = responseMeta.LastRunError
resp.NotificationRule, err = rule.UnmarshalJSON(v)
return
}
func (resp notificationRuleResponse) MarshalJSON() ([]byte, error) {
b1, err := json.Marshal(resp.NotificationRule)
if err != nil {
return nil, err
}
b2, err := json.Marshal(ruleResponseMeta{
Links: resp.Links,
Labels: resp.Labels,
Status: resp.Status,
LatestCompleted: resp.LatestCompleted,
LatestScheduled: resp.LatestScheduled,
LastRunStatus: resp.LastRunStatus,
LastRunError: resp.LastRunError,
TaskID: resp.TaskID,
})
if err != nil {
return nil, err
}
return []byte(string(b1[:len(b1)-1]) + ", " + string(b2[1:])), nil
}
type notificationRulesResponse struct {
NotificationRules []*notificationRuleResponse `json:"notificationRules"`
Links *influxdb.PagingLinks `json:"links"`
}
func (h *NotificationRuleHandler) newNotificationRuleResponse(ctx context.Context, nr influxdb.NotificationRule, labels []*influxdb.Label) (*notificationRuleResponse, error) {
// TODO(desa): this should be handled in the rule service and not exposed in http land, but is currently blocking the FE. https://github.com/influxdata/influxdb/issues/15259
t, err := h.TaskService.FindTaskByID(ctx, nr.GetTaskID())
if err != nil {
return nil, err
}
res := &notificationRuleResponse{
NotificationRule: nr,
Links: notificationRuleLinks{
Self: fmt.Sprintf("/api/v2/notificationRules/%s", nr.GetID()),
Labels: fmt.Sprintf("/api/v2/notificationRules/%s/labels", nr.GetID()),
Members: fmt.Sprintf("/api/v2/notificationRules/%s/members", nr.GetID()),
Owners: fmt.Sprintf("/api/v2/notificationRules/%s/owners", nr.GetID()),
Query: fmt.Sprintf("/api/v2/notificationRules/%s/query", nr.GetID()),
},
Labels: []influxdb.Label{},
Status: t.Status,
LatestCompleted: t.LatestCompleted,
LatestScheduled: t.LatestScheduled,
LastRunStatus: t.LastRunStatus,
LastRunError: t.LastRunError,
TaskID: t.ID,
}
for _, l := range labels {
res.Labels = append(res.Labels, *l)
}
return res, nil
}
func (h *NotificationRuleHandler) newNotificationRulesResponse(ctx context.Context, nrs []influxdb.NotificationRule, labelService influxdb.LabelService, f influxdb.PagingFilter, opts influxdb.FindOptions) (*notificationRulesResponse, error) {
resp := &notificationRulesResponse{
NotificationRules: []*notificationRuleResponse{},
Links: influxdb.NewPagingLinks(prefixNotificationRules, opts, f, len(nrs)),
}
for _, nr := range nrs {
labels, _ := labelService.FindResourceLabels(ctx, influxdb.LabelMappingFilter{ResourceID: nr.GetID(), ResourceType: influxdb.NotificationRuleResourceType})
res, err := h.newNotificationRuleResponse(ctx, nr, labels)
if err != nil {
continue
}
resp.NotificationRules = append(resp.NotificationRules, res)
}
return resp, nil
}
func decodeGetNotificationRuleRequest(ctx context.Context, r *http.Request) (i platform.ID, err error) {
params := httprouter.ParamsFromContext(ctx)
id := params.ByName("id")
if id == "" {
return i, &errors.Error{
Code: errors.EInvalid,
Msg: "url missing id",
}
}
if err := i.DecodeFromString(id); err != nil {
return i, err
}
return i, nil
}
func (h *NotificationRuleHandler) handleGetNotificationRules(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
filter, opts, err := decodeNotificationRuleFilter(ctx, r)
if err != nil {
h.log.Debug("Failed to decode request", zap.Error(err))
h.HandleHTTPError(ctx, err, w)
return
}
nrs, _, err := h.NotificationRuleStore.FindNotificationRules(ctx, *filter, *opts)
if err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
h.log.Debug("Notification rules retrieved", zap.String("notificationRules", fmt.Sprint(nrs)))
res, err := h.newNotificationRulesResponse(ctx, nrs, h.LabelService, filter, *opts)
if err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
if err := encodeResponse(ctx, w, http.StatusOK, res); err != nil {
logEncodingError(h.log, r, err)
return
}
}
func (h *NotificationRuleHandler) handleGetNotificationRuleQuery(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
id, err := decodeGetNotificationRuleRequest(ctx, r)
if err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
nr, err := h.NotificationRuleStore.FindNotificationRuleByID(ctx, id)
if err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
edp, err := h.NotificationEndpointService.FindNotificationEndpointByID(ctx, nr.GetEndpointID())
if err != nil {
h.HandleHTTPError(ctx, &errors.Error{
Code: errors.EInternal,
Op: "http/handleGetNotificationRuleQuery",
Err: err,
}, w)
return
}
flux, err := nr.GenerateFlux(edp)
if err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
h.log.Debug("Notification rule query retrieved", zap.String("notificationRuleQuery", fmt.Sprint(flux)))
if err := encodeResponse(ctx, w, http.StatusOK, newFluxResponse(flux)); err != nil {
logEncodingError(h.log, r, err)
return
}
}
func (h *NotificationRuleHandler) handleGetNotificationRule(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
id, err := decodeGetNotificationRuleRequest(ctx, r)
if err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
nr, err := h.NotificationRuleStore.FindNotificationRuleByID(ctx, id)
if err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
h.log.Debug("Notification rule retrieved", zap.String("notificationRule", fmt.Sprint(nr)))
labels, err := h.LabelService.FindResourceLabels(ctx, influxdb.LabelMappingFilter{ResourceID: nr.GetID(), ResourceType: influxdb.NotificationRuleResourceType})
if err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
res, err := h.newNotificationRuleResponse(ctx, nr, labels)
if err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
if err := encodeResponse(ctx, w, http.StatusOK, res); err != nil {
logEncodingError(h.log, r, err)
return
}
}
func decodeNotificationRuleFilter(ctx context.Context, r *http.Request) (*influxdb.NotificationRuleFilter, *influxdb.FindOptions, error) {
f := &influxdb.NotificationRuleFilter{}
urm, err := decodeUserResourceMappingFilter(ctx, r, influxdb.NotificationRuleResourceType)
if err == nil {
f.UserResourceMappingFilter = *urm
}
opts, err := influxdb.DecodeFindOptions(r)
if err != nil {
return f, nil, err
}
q := r.URL.Query()
if orgIDStr := q.Get("orgID"); orgIDStr != "" {
orgID, err := platform.IDFromString(orgIDStr)
if err != nil {
return f, opts, &errors.Error{
Code: errors.EInvalid,
Msg: "orgID is invalid",
Err: err,
}
}
f.OrgID = orgID
} else if orgNameStr := q.Get("org"); orgNameStr != "" {
f.Organization = &orgNameStr
}
for _, tag := range q["tag"] {
tp, err := influxdb.NewTag(tag)
// ignore malformed tag pairs
if err == nil {
f.Tags = append(f.Tags, tp)
}
}
return f, opts, err
}
func decodeUserResourceMappingFilter(ctx context.Context, r *http.Request, typ influxdb.ResourceType) (*influxdb.UserResourceMappingFilter, error) {
q := r.URL.Query()
f := &influxdb.UserResourceMappingFilter{
ResourceType: typ,
}
if idStr := q.Get("resourceID"); idStr != "" {
id, err := platform.IDFromString(idStr)
if err != nil {
return nil, err
}
f.ResourceID = *id
}
if idStr := q.Get("userID"); idStr != "" {
id, err := platform.IDFromString(idStr)
if err != nil {
return nil, err
}
f.UserID = *id
}
return f, nil
}
type postNotificationRuleRequest struct {
influxdb.NotificationRuleCreate
Labels []string `json:"labels"`
}
func decodePostNotificationRuleRequest(ctx context.Context, r *http.Request) (postNotificationRuleRequest, error) {
var pnrr postNotificationRuleRequest
var sts statusDecode
var dl decodeLabels
buf := new(bytes.Buffer)
_, err := buf.ReadFrom(r.Body)
if err != nil {
return pnrr, &errors.Error{
Code: errors.EInvalid,
Err: err,
}
}
defer r.Body.Close()
nr, err := rule.UnmarshalJSON(buf.Bytes())
if err != nil {
return pnrr, &errors.Error{
Code: errors.EInvalid,
Err: err,
}
}
if err := json.Unmarshal(buf.Bytes(), &sts); err != nil {
return pnrr, err
}
if err := json.Unmarshal(buf.Bytes(), &dl); err != nil {
return pnrr, err
}
pnrr = postNotificationRuleRequest{
NotificationRuleCreate: influxdb.NotificationRuleCreate{
NotificationRule: nr,
Status: *sts.Status,
},
Labels: dl.Labels,
}
return pnrr, nil
}
func decodePutNotificationRuleRequest(ctx context.Context, r *http.Request) (influxdb.NotificationRuleCreate, error) {
var nrc influxdb.NotificationRuleCreate
var sts statusDecode
buf := new(bytes.Buffer)
_, err := buf.ReadFrom(r.Body)
if err != nil {
return nrc, &errors.Error{
Code: errors.EInvalid,
Err: err,
}
}
defer r.Body.Close()
nr, err := rule.UnmarshalJSON(buf.Bytes())
if err != nil {
return nrc, &errors.Error{
Code: errors.EInvalid,
Err: err,
}
}
params := httprouter.ParamsFromContext(ctx)
id := params.ByName("id")
if id == "" {
return nrc, &errors.Error{
Code: errors.EInvalid,
Msg: "url missing id",
}
}
i := new(platform.ID)
if err := i.DecodeFromString(id); err != nil {
return nrc, err
}
nr.SetID(*i)
err = json.Unmarshal(buf.Bytes(), &sts)
if err != nil {
return nrc, err
}
nrc = influxdb.NotificationRuleCreate{
NotificationRule: nr,
Status: *sts.Status,
}
return nrc, nil
}
type patchNotificationRuleRequest struct {
platform.ID
Update influxdb.NotificationRuleUpdate
}
func decodePatchNotificationRuleRequest(ctx context.Context, r *http.Request) (*patchNotificationRuleRequest, error) {
req := &patchNotificationRuleRequest{}
params := httprouter.ParamsFromContext(ctx)
id := params.ByName("id")
if id == "" {
return nil, &errors.Error{
Code: errors.EInvalid,
Msg: "url missing id",
}
}
var i platform.ID
if err := i.DecodeFromString(id); err != nil {
return nil, err
}
req.ID = i
upd := &influxdb.NotificationRuleUpdate{}
if err := json.NewDecoder(r.Body).Decode(upd); err != nil {
return nil, &errors.Error{
Code: errors.EInvalid,
Msg: err.Error(),
}
}
if err := upd.Valid(); err != nil {
return nil, &errors.Error{
Code: errors.EInvalid,
Msg: err.Error(),
}
}
req.Update = *upd
return req, nil
}
// handlePostNotificationRule is the HTTP handler for the POST /api/v2/notificationRules route.
func (h *NotificationRuleHandler) handlePostNotificationRule(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
nr, err := decodePostNotificationRuleRequest(ctx, r)
if err != nil {
h.log.Debug("Failed to decode request", zap.Error(err))
h.HandleHTTPError(ctx, err, w)
return
}
auth, err := pctx.GetAuthorizer(ctx)
if err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
if err := h.NotificationRuleStore.CreateNotificationRule(ctx, nr.NotificationRuleCreate, auth.GetUserID()); err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
h.log.Debug("Notification rule created", zap.String("notificationRule", fmt.Sprint(nr)))
labels := h.mapNewNotificationRuleLabels(ctx, nr.NotificationRuleCreate, nr.Labels)
res, err := h.newNotificationRuleResponse(ctx, nr, labels)
if err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
if err := encodeResponse(ctx, w, http.StatusCreated, res); err != nil {
logEncodingError(h.log, r, err)
return
}
}
func (h *NotificationRuleHandler) mapNewNotificationRuleLabels(ctx context.Context, nrc influxdb.NotificationRuleCreate, labels []string) []*influxdb.Label {
var ls []*influxdb.Label
for _, sid := range labels {
var lid platform.ID
err := lid.DecodeFromString(sid)
if err != nil {
continue
}
label, err := h.LabelService.FindLabelByID(ctx, lid)
if err != nil {
continue
}
mapping := influxdb.LabelMapping{
LabelID: label.ID,
ResourceID: nrc.GetID(),
ResourceType: influxdb.NotificationRuleResourceType,
}
err = h.LabelService.CreateLabelMapping(ctx, &mapping)
if err != nil {
continue
}
ls = append(ls, label)
}
return ls
}
// handlePutNotificationRule is the HTTP handler for the PUT /api/v2/notificationRule route.
func (h *NotificationRuleHandler) handlePutNotificationRule(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
nrc, err := decodePutNotificationRuleRequest(ctx, r)
if err != nil {
h.log.Debug("Failed to decode request", zap.Error(err))
h.HandleHTTPError(ctx, err, w)
return
}
auth, err := pctx.GetAuthorizer(ctx)
if err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
nr, err := h.NotificationRuleStore.UpdateNotificationRule(ctx, nrc.GetID(), nrc, auth.GetUserID())
if err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
labels, err := h.LabelService.FindResourceLabels(ctx, influxdb.LabelMappingFilter{ResourceID: nr.GetID(), ResourceType: influxdb.NotificationRuleResourceType})
if err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
h.log.Debug("Notification rule updated", zap.String("notificationRule", fmt.Sprint(nr)))
res, err := h.newNotificationRuleResponse(ctx, nr, labels)
if err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
if err := encodeResponse(ctx, w, http.StatusOK, res); err != nil {
logEncodingError(h.log, r, err)
return
}
}
// handlePatchNotificationRule is the HTTP handler for the PATCH /api/v2/notificationRule/:id route.
func (h *NotificationRuleHandler) handlePatchNotificationRule(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
req, err := decodePatchNotificationRuleRequest(ctx, r)
if err != nil {
h.log.Debug("Failed to decode request", zap.Error(err))
h.HandleHTTPError(ctx, err, w)
return
}
nr, err := h.NotificationRuleStore.PatchNotificationRule(ctx, req.ID, req.Update)
if err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
labels, err := h.LabelService.FindResourceLabels(ctx, influxdb.LabelMappingFilter{ResourceID: nr.GetID(), ResourceType: influxdb.NotificationRuleResourceType})
if err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
h.log.Debug("Notification rule patch", zap.String("notificationRule", fmt.Sprint(nr)))
res, err := h.newNotificationRuleResponse(ctx, nr, labels)
if err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
if err := encodeResponse(ctx, w, http.StatusOK, res); err != nil {
logEncodingError(h.log, r, err)
return
}
}
func (h *NotificationRuleHandler) handleDeleteNotificationRule(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
i, err := decodeGetNotificationRuleRequest(ctx, r)
if err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
if err = h.NotificationRuleStore.DeleteNotificationRule(ctx, i); err != nil {
h.HandleHTTPError(ctx, err, w)
return
}
h.log.Debug("Notification rule deleted", zap.String("notificationRuleID", fmt.Sprint(i)))
w.WriteHeader(http.StatusNoContent)
}
// NotificationRuleService is an http client that implements the NotificationRuleStore interface
type NotificationRuleService struct {
Client *httpc.Client
}
// NewNotificationRuleService wraps an httpc.Client in a NotificationRuleService
func NewNotificationRuleService(client *httpc.Client) *NotificationRuleService {
return &NotificationRuleService{
Client: client,
}
}
type notificationRuleCreateEncoder struct {
nrc influxdb.NotificationRuleCreate
}
func (n notificationRuleCreateEncoder) MarshalJSON() ([]byte, error) {
b, err := n.nrc.NotificationRule.MarshalJSON()
if err != nil {
return nil, err
}
var v map[string]interface{}
err = json.Unmarshal(b, &v)
if err != nil {
return nil, err
}
v["status"] = n.nrc.Status
return json.Marshal(v)
}
type notificationRuleDecoder struct {
rule influxdb.NotificationRule
}
func (n *notificationRuleDecoder) UnmarshalJSON(b []byte) error {
newRule, err := rule.UnmarshalJSON(b)
if err != nil {
return err
}
n.rule = newRule
return nil
}
// CreateNotificationRule creates a new NotificationRule from a NotificationRuleCreate
// the Status on the NotificationRuleCreate is used to determine the status (active/inactive) of the associated Task
func (s *NotificationRuleService) CreateNotificationRule(ctx context.Context, nr influxdb.NotificationRuleCreate, userID platform.ID) error {
var resp notificationRuleDecoder
err := s.Client.
PostJSON(notificationRuleCreateEncoder{nrc: nr}, prefixNotificationRules).
DecodeJSON(&resp).
Do(ctx)
if err != nil {
return err
}
nr.NotificationRule.SetID(resp.rule.GetID())
nr.NotificationRule.SetOrgID(resp.rule.GetOrgID())
return nil
}
// FindNotificationRuleByID finds and returns one Notification Rule with a matching ID
func (s *NotificationRuleService) FindNotificationRuleByID(ctx context.Context, id platform.ID) (influxdb.NotificationRule, error) {
var resp notificationRuleResponse
err := s.Client.
Get(getNotificationRulesIDPath(id)).
DecodeJSON(&resp).
Do(ctx)
return resp.NotificationRule, err
}
// FindNotificationRules returns a list of notification rules that match filter and the total count of matching notification rules.
// Additional options provide pagination & sorting.
func (s *NotificationRuleService) FindNotificationRules(ctx context.Context, filter influxdb.NotificationRuleFilter, opt ...influxdb.FindOptions) ([]influxdb.NotificationRule, int, error) {
var params = influxdb.FindOptionParams(opt...)
if filter.OrgID != nil {
params = append(params, [2]string{"orgID", filter.OrgID.String()})
}
if filter.Organization != nil {
params = append(params, [2]string{"org", *filter.Organization})
}
if len(filter.Tags) != 0 {
// loop over tags and append a string of format key:value for each
for _, tag := range filter.Tags {
keyvalue := fmt.Sprintf("%s:%s", tag.Key, tag.Value)
params = append(params, [2]string{"tag", keyvalue})
}
}
var resp struct {
NotificationRules []notificationRuleDecoder
}
err := s.Client.
Get(prefixNotificationRules).
QueryParams(params...).
DecodeJSON(&resp).
Do(ctx)
if err != nil {
return nil, 0, err
}
var rules []influxdb.NotificationRule
for _, r := range resp.NotificationRules {
rules = append(rules, r.rule)
}
return rules, len(rules), nil
}
// UpdateNotificationRule updates a single notification rule.
// Returns the new notification rule after update.
func (s *NotificationRuleService) UpdateNotificationRule(ctx context.Context, id platform.ID, nr influxdb.NotificationRuleCreate, userID platform.ID) (influxdb.NotificationRule, error) {
var resp notificationRuleDecoder
err := s.Client.
PutJSON(notificationRuleCreateEncoder{nrc: nr}, getNotificationRulesIDPath(id)).
DecodeJSON(&resp).
Do(ctx)
if err != nil {
return nil, err
}
return resp.rule, nil
}
// PatchNotificationRule updates a single notification rule with changeset.
// Returns the new notification rule state after update.
func (s *NotificationRuleService) PatchNotificationRule(ctx context.Context, id platform.ID, upd influxdb.NotificationRuleUpdate) (influxdb.NotificationRule, error) {
var resp notificationRuleDecoder
err := s.Client.
PatchJSON(&upd, getNotificationRulesIDPath(id)).
DecodeJSON(&resp).
Do(ctx)
if err != nil {
return nil, err
}
return resp.rule, nil
}
// DeleteNotificationRule removes a notification rule by ID.
func (s *NotificationRuleService) DeleteNotificationRule(ctx context.Context, id platform.ID) error {
return s.Client.
Delete(getNotificationRulesIDPath(id)).
Do(ctx)
}
func getNotificationRulesIDPath(id platform.ID) string {
return path.Join(prefixNotificationRules, id.String())
}