ClusterCockpit/cc-backend
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cc-backend/internal/api/rest.go

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// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
// All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package api
import (
"bufio"
"database/sql"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"os"
"path/filepath"
"strconv"
"strings"
"sync"
"time"
"github.com/ClusterCockpit/cc-backend/internal/archiver"
"github.com/ClusterCockpit/cc-backend/internal/auth"
"github.com/ClusterCockpit/cc-backend/internal/config"
"github.com/ClusterCockpit/cc-backend/internal/graph"
"github.com/ClusterCockpit/cc-backend/internal/graph/model"
"github.com/ClusterCockpit/cc-backend/internal/importer"
"github.com/ClusterCockpit/cc-backend/internal/metricDataDispatcher"
"github.com/ClusterCockpit/cc-backend/internal/repository"
"github.com/ClusterCockpit/cc-backend/internal/util"
"github.com/ClusterCockpit/cc-backend/pkg/archive"
"github.com/ClusterCockpit/cc-backend/pkg/log"
"github.com/ClusterCockpit/cc-backend/pkg/schema"
"github.com/gorilla/mux"
)
// @title ClusterCockpit REST API
// @version 1.0.0
// @description API for batch job control.
// @contact.name ClusterCockpit Project
// @contact.url https://github.com/ClusterCockpit
// @contact.email support@clustercockpit.org
// @license.name MIT License
// @license.url https://opensource.org/licenses/MIT
// @host localhost:8080
// @basePath /api
// @securityDefinitions.apikey ApiKeyAuth
// @in header
// @name X-Auth-Token
type RestApi struct {
JobRepository *repository.JobRepository
Authentication *auth.Authentication
MachineStateDir string
RepositoryMutex sync.Mutex
}
func New() *RestApi {
return &RestApi{
JobRepository: repository.GetJobRepository(),
MachineStateDir: config.Keys.MachineStateDir,
Authentication: auth.GetAuthInstance(),
}
}
func (api *RestApi) MountApiRoutes(r *mux.Router) {
r.StrictSlash(true)
r.HandleFunc("/jobs/start_job/", api.startJob).Methods(http.MethodPost, http.MethodPut)
r.HandleFunc("/jobs/stop_job/", api.stopJobByRequest).Methods(http.MethodPost, http.MethodPut)
r.HandleFunc("/jobs/stop_job/{id}", api.stopJobById).Methods(http.MethodPost, http.MethodPut)
// r.HandleFunc("/jobs/import/", api.importJob).Methods(http.MethodPost, http.MethodPut)
r.HandleFunc("/jobs/", api.getJobs).Methods(http.MethodGet)
r.HandleFunc("/jobs/{id}", api.getJobById).Methods(http.MethodPost)
r.HandleFunc("/jobs/{id}", api.getCompleteJobById).Methods(http.MethodGet)
r.HandleFunc("/jobs/tag_job/{id}", api.tagJob).Methods(http.MethodPost, http.MethodPatch)
r.HandleFunc("/jobs/edit_meta/{id}", api.editMeta).Methods(http.MethodPost, http.MethodPatch)
r.HandleFunc("/jobs/metrics/{id}", api.getJobMetrics).Methods(http.MethodGet)
r.HandleFunc("/jobs/delete_job/", api.deleteJobByRequest).Methods(http.MethodDelete)
r.HandleFunc("/jobs/delete_job/{id}", api.deleteJobById).Methods(http.MethodDelete)
r.HandleFunc("/jobs/delete_job_before/{ts}", api.deleteJobBefore).Methods(http.MethodDelete)
r.HandleFunc("/clusters/", api.getClusters).Methods(http.MethodGet)
if api.MachineStateDir != "" {
r.HandleFunc("/machine_state/{cluster}/{host}", api.getMachineState).Methods(http.MethodGet)
r.HandleFunc("/machine_state/{cluster}/{host}", api.putMachineState).Methods(http.MethodPut, http.MethodPost)
}
}
func (api *RestApi) MountUserApiRoutes(r *mux.Router) {
r.StrictSlash(true)
r.HandleFunc("/jobs/", api.getJobs).Methods(http.MethodGet)
r.HandleFunc("/jobs/{id}", api.getJobById).Methods(http.MethodPost)
r.HandleFunc("/jobs/{id}", api.getCompleteJobById).Methods(http.MethodGet)
r.HandleFunc("/jobs/metrics/{id}", api.getJobMetrics).Methods(http.MethodGet)
}
func (api *RestApi) MountConfigApiRoutes(r *mux.Router) {
r.StrictSlash(true)
if api.Authentication != nil {
r.HandleFunc("/roles/", api.getRoles).Methods(http.MethodGet)
r.HandleFunc("/users/", api.createUser).Methods(http.MethodPost, http.MethodPut)
r.HandleFunc("/users/", api.getUsers).Methods(http.MethodGet)
r.HandleFunc("/users/", api.deleteUser).Methods(http.MethodDelete)
r.HandleFunc("/user/{id}", api.updateUser).Methods(http.MethodPost)
}
}
func (api *RestApi) MountFrontendApiRoutes(r *mux.Router) {
r.StrictSlash(true)
if api.Authentication != nil {
r.HandleFunc("/jwt/", api.getJWT).Methods(http.MethodGet)
r.HandleFunc("/configuration/", api.updateConfiguration).Methods(http.MethodPost)
}
}
// StartJobApiResponse model
type StartJobApiResponse struct {
// Database ID of new job
DBID int64 `json:"id"`
}
// DeleteJobApiResponse model
type DeleteJobApiResponse struct {
Message string `json:"msg"`
}
// UpdateUserApiResponse model
type UpdateUserApiResponse struct {
Message string `json:"msg"`
}
// StopJobApiRequest model
type StopJobApiRequest struct {
JobId *int64 `json:"jobId" example:"123000"`
Cluster *string `json:"cluster" example:"fritz"`
StartTime *int64 `json:"startTime" example:"1649723812"`
State schema.JobState `json:"jobState" validate:"required" example:"completed"`
StopTime int64 `json:"stopTime" validate:"required" example:"1649763839"`
}
// DeleteJobApiRequest model
type DeleteJobApiRequest struct {
JobId *int64 `json:"jobId" validate:"required" example:"123000"` // Cluster Job ID of job
Cluster *string `json:"cluster" example:"fritz"` // Cluster of job
StartTime *int64 `json:"startTime" example:"1649723812"` // Start Time of job as epoch
}
// GetJobsApiResponse model
type GetJobsApiResponse struct {
Jobs []*schema.JobMeta `json:"jobs"` // Array of jobs
Items int `json:"items"` // Number of jobs returned
Page int `json:"page"` // Page id returned
}
// GetClustersApiResponse model
type GetClustersApiResponse struct {
Clusters []*schema.Cluster `json:"clusters"` // Array of clusters
}
// ErrorResponse model
type ErrorResponse struct {
// Statustext of Errorcode
Status string `json:"status"`
Error string `json:"error"` // Error Message
}
// ApiTag model
type ApiTag struct {
// Tag Type
Type string `json:"type" example:"Debug"`
Name string `json:"name" example:"Testjob"` // Tag Name
Scope string `json:"scope" example:"global"` // Tag Scope for Frontend Display
}
// ApiMeta model
type EditMetaRequest struct {
Key string `json:"key" example:"jobScript"`
Value string `json:"value" example:"bash script"`
}
type TagJobApiRequest []*ApiTag
type GetJobApiRequest []string
type GetJobApiResponse struct {
Meta *schema.Job
Data []*JobMetricWithName
}
type GetCompleteJobApiResponse struct {
Meta *schema.Job
Data schema.JobData
}
type JobMetricWithName struct {
Metric *schema.JobMetric `json:"metric"`
Name string `json:"name"`
Scope schema.MetricScope `json:"scope"`
}
type ApiReturnedUser struct {
Username string `json:"username"`
Name string `json:"name"`
Roles []string `json:"roles"`
Email string `json:"email"`
Projects []string `json:"projects"`
}
func handleError(err error, statusCode int, rw http.ResponseWriter) {
log.Warnf("REST ERROR : %s", err.Error())
rw.Header().Add("Content-Type", "application/json")
rw.WriteHeader(statusCode)
json.NewEncoder(rw).Encode(ErrorResponse{
Status: http.StatusText(statusCode),
Error: err.Error(),
})
}
func decode(r io.Reader, val interface{}) error {
dec := json.NewDecoder(r)
dec.DisallowUnknownFields()
return dec.Decode(val)
}
func securedCheck(r *http.Request) error {
user := repository.GetUserFromContext(r.Context())
if user == nil {
return fmt.Errorf("no user in context")
}
if user.AuthType == schema.AuthToken {
// If nothing declared in config: deny all request to this endpoint
if config.Keys.ApiAllowedIPs == nil || len(config.Keys.ApiAllowedIPs) == 0 {
return fmt.Errorf("missing configuration key ApiAllowedIPs")
}
if config.Keys.ApiAllowedIPs[0] == "*" {
return nil
}
// extract IP address
IPAddress := r.Header.Get("X-Real-Ip")
if IPAddress == "" {
IPAddress = r.Header.Get("X-Forwarded-For")
}
if IPAddress == "" {
IPAddress = r.RemoteAddr
}
if strings.Contains(IPAddress, ":") {
IPAddress = strings.Split(IPAddress, ":")[0]
}
// check if IP is allowed
if !util.Contains(config.Keys.ApiAllowedIPs, IPAddress) {
return fmt.Errorf("unknown ip: %v", IPAddress)
}
}
return nil
}
// getClusters godoc
// @summary Lists all cluster configs
// @tags Cluster query
// @description Get a list of all cluster configs. Specific cluster can be requested using query parameter.
// @produce json
// @param cluster query string false "Job Cluster"
// @success 200 {object} api.GetClustersApiResponse "Array of clusters"
// @failure 400 {object} api.ErrorResponse "Bad Request"
// @failure 401 {object} api.ErrorResponse "Unauthorized"
// @failure 403 {object} api.ErrorResponse "Forbidden"
// @failure 500 {object} api.ErrorResponse "Internal Server Error"
// @security ApiKeyAuth
// @router /clusters/ [get]
func (api *RestApi) getClusters(rw http.ResponseWriter, r *http.Request) {
if user := repository.GetUserFromContext(r.Context()); user != nil &&
!user.HasRole(schema.RoleApi) {
handleError(fmt.Errorf("missing role: %v", schema.GetRoleString(schema.RoleApi)), http.StatusForbidden, rw)
return
}
rw.Header().Add("Content-Type", "application/json")
bw := bufio.NewWriter(rw)
defer bw.Flush()
var clusters []*schema.Cluster
if r.URL.Query().Has("cluster") {
name := r.URL.Query().Get("cluster")
cluster := archive.GetCluster(name)
if cluster == nil {
handleError(fmt.Errorf("unknown cluster: %s", name), http.StatusBadRequest, rw)
return
}
clusters = append(clusters, cluster)
} else {
clusters = archive.Clusters
}
payload := GetClustersApiResponse{
Clusters: clusters,
}
if err := json.NewEncoder(bw).Encode(payload); err != nil {
handleError(err, http.StatusInternalServerError, rw)
return
}
}
// getJobs godoc
// @summary Lists all jobs
// @tags Job query
// @description Get a list of all jobs. Filters can be applied using query parameters.
// @description Number of results can be limited by page. Results are sorted by descending startTime.
// @produce json
// @param state query string false "Job State" Enums(running, completed, failed, cancelled, stopped, timeout)
// @param cluster query string false "Job Cluster"
// @param start-time query string false "Syntax: '$from-$to', as unix epoch timestamps in seconds"
// @param items-per-page query int false "Items per page (Default: 25)"
// @param page query int false "Page Number (Default: 1)"
// @param with-metadata query bool false "Include metadata (e.g. jobScript) in response"
// @success 200 {object} api.GetJobsApiResponse "Job array and page info"
// @failure 400 {object} api.ErrorResponse "Bad Request"
// @failure 401 {object} api.ErrorResponse "Unauthorized"
// @failure 403 {object} api.ErrorResponse "Forbidden"
// @failure 500 {object} api.ErrorResponse "Internal Server Error"
// @security ApiKeyAuth
// @router /jobs/ [get]
func (api *RestApi) getJobs(rw http.ResponseWriter, r *http.Request) {
withMetadata := false
filter := &model.JobFilter{}
page := &model.PageRequest{ItemsPerPage: 25, Page: 1}
order := &model.OrderByInput{Field: "startTime", Order: model.SortDirectionEnumDesc}
for key, vals := range r.URL.Query() {
switch key {
case "state":
for _, s := range vals {
state := schema.JobState(s)
if !state.Valid() {
handleError(fmt.Errorf("invalid query parameter value: state"),
http.StatusBadRequest, rw)
return
}
filter.State = append(filter.State, state)
}
case "cluster":
filter.Cluster = &model.StringInput{Eq: &vals[0]}
case "start-time":
st := strings.Split(vals[0], "-")
if len(st) != 2 {
handleError(fmt.Errorf("invalid query parameter value: startTime"),
http.StatusBadRequest, rw)
return
}
from, err := strconv.ParseInt(st[0], 10, 64)
if err != nil {
handleError(err, http.StatusBadRequest, rw)
return
}
to, err := strconv.ParseInt(st[1], 10, 64)
if err != nil {
handleError(err, http.StatusBadRequest, rw)
return
}
ufrom, uto := time.Unix(from, 0), time.Unix(to, 0)
filter.StartTime = &schema.TimeRange{From: &ufrom, To: &uto}
case "page":
x, err := strconv.Atoi(vals[0])
if err != nil {
handleError(err, http.StatusBadRequest, rw)
return
}
page.Page = x
case "items-per-page":
x, err := strconv.Atoi(vals[0])
if err != nil {
handleError(err, http.StatusBadRequest, rw)
return
}
page.ItemsPerPage = x
case "with-metadata":
withMetadata = true
default:
handleError(fmt.Errorf("invalid query parameter: %s", key),
http.StatusBadRequest, rw)
return
}
}
jobs, err := api.JobRepository.QueryJobs(r.Context(), []*model.JobFilter{filter}, page, order)
if err != nil {
handleError(err, http.StatusInternalServerError, rw)
return
}
results := make([]*schema.JobMeta, 0, len(jobs))
for _, job := range jobs {
if withMetadata {
if _, err = api.JobRepository.FetchMetadata(job); err != nil {
handleError(err, http.StatusInternalServerError, rw)
return
}
}
res := &schema.JobMeta{
ID: &job.ID,
BaseJob: job.BaseJob,
StartTime: job.StartTime.Unix(),
}
res.Tags, err = api.JobRepository.GetTags(r.Context(), &job.ID)
if err != nil {
handleError(err, http.StatusInternalServerError, rw)
return
}
if res.MonitoringStatus == schema.MonitoringStatusArchivingSuccessful {
res.Statistics, err = archive.GetStatistics(job)
if err != nil {
handleError(err, http.StatusInternalServerError, rw)
return
}
}
results = append(results, res)
}
log.Debugf("/api/jobs: %d jobs returned", len(results))
rw.Header().Add("Content-Type", "application/json")
bw := bufio.NewWriter(rw)
defer bw.Flush()
payload := GetJobsApiResponse{
Jobs: results,
Items: page.ItemsPerPage,
Page: page.Page,
}
if err := json.NewEncoder(bw).Encode(payload); err != nil {
handleError(err, http.StatusInternalServerError, rw)
return
}
}
// getCompleteJobById godoc
// @summary Get job meta and optional all metric data
// @tags Job query
// @description Job to get is specified by database ID
// @description Returns full job resource information according to 'JobMeta' scheme and all metrics according to 'JobData'.
// @produce json
// @param id path int true "Database ID of Job"
// @param all-metrics query bool false "Include all available metrics"
// @success 200 {object} api.GetJobApiResponse "Job resource"
// @failure 400 {object} api.ErrorResponse "Bad Request"
// @failure 401 {object} api.ErrorResponse "Unauthorized"
// @failure 403 {object} api.ErrorResponse "Forbidden"
// @failure 404 {object} api.ErrorResponse "Resource not found"
// @failure 422 {object} api.ErrorResponse "Unprocessable Entity: finding job failed: sql: no rows in result set"
// @failure 500 {object} api.ErrorResponse "Internal Server Error"
// @security ApiKeyAuth
// @router /jobs/{id} [get]
func (api *RestApi) getCompleteJobById(rw http.ResponseWriter, r *http.Request) {
// Fetch job from db
id, ok := mux.Vars(r)["id"]
var job *schema.Job
var err error
if ok {
id, e := strconv.ParseInt(id, 10, 64)
if e != nil {
handleError(fmt.Errorf("integer expected in path for id: %w", e), http.StatusBadRequest, rw)
return
}
job, err = api.JobRepository.FindById(r.Context(), id) // Get Job from Repo by ID
} else {
handleError(fmt.Errorf("the parameter 'id' is required"), http.StatusBadRequest, rw)
return
}
if err != nil {
handleError(fmt.Errorf("finding job with db id %s failed: %w", id, err), http.StatusUnprocessableEntity, rw)
return
}
job.Tags, err = api.JobRepository.GetTags(r.Context(), &job.ID)
if err != nil {
handleError(err, http.StatusInternalServerError, rw)
return
}
if _, err = api.JobRepository.FetchMetadata(job); err != nil {
handleError(err, http.StatusInternalServerError, rw)
return
}
var scopes []schema.MetricScope
if job.NumNodes == 1 {
scopes = []schema.MetricScope{"core"}
} else {
scopes = []schema.MetricScope{"node"}
}
var data schema.JobData
metricConfigs := archive.GetCluster(job.Cluster).MetricConfig
resolution := 0
for _, mc := range metricConfigs {
resolution = max(resolution, mc.Timestep)
}
if r.URL.Query().Get("all-metrics") == "true" {
data, err = metricDataDispatcher.LoadData(job, nil, scopes, r.Context(), resolution)
if err != nil {
log.Warnf("REST: error while loading all-metrics job data for JobID %d on %s", job.JobID, job.Cluster)
return
}
}
log.Debugf("/api/job/%s: get job %d", id, job.JobID)
rw.Header().Add("Content-Type", "application/json")
bw := bufio.NewWriter(rw)
defer bw.Flush()
payload := GetCompleteJobApiResponse{
Meta: job,
Data: data,
}
if err := json.NewEncoder(bw).Encode(payload); err != nil {
handleError(err, http.StatusInternalServerError, rw)
return
}
}
// getJobById godoc
// @summary Get job meta and configurable metric data
// @tags Job query
// @description Job to get is specified by database ID
// @description Returns full job resource information according to 'JobMeta' scheme and all metrics according to 'JobData'.
// @accept json
// @produce json
// @param id path int true "Database ID of Job"
// @param request body api.GetJobApiRequest true "Array of metric names"
// @success 200 {object} api.GetJobApiResponse "Job resource"
// @failure 400 {object} api.ErrorResponse "Bad Request"
// @failure 401 {object} api.ErrorResponse "Unauthorized"
// @failure 403 {object} api.ErrorResponse "Forbidden"
// @failure 404 {object} api.ErrorResponse "Resource not found"
// @failure 422 {object} api.ErrorResponse "Unprocessable Entity: finding job failed: sql: no rows in result set"
// @failure 500 {object} api.ErrorResponse "Internal Server Error"
// @security ApiKeyAuth
// @router /jobs/{id} [post]
func (api *RestApi) getJobById(rw http.ResponseWriter, r *http.Request) {
// Fetch job from db
id, ok := mux.Vars(r)["id"]
var job *schema.Job
var err error
if ok {
id, e := strconv.ParseInt(id, 10, 64)
if e != nil {
handleError(fmt.Errorf("integer expected in path for id: %w", e), http.StatusBadRequest, rw)
return
}
job, err = api.JobRepository.FindById(r.Context(), id)
} else {
handleError(errors.New("the parameter 'id' is required"), http.StatusBadRequest, rw)
return
}
if err != nil {
handleError(fmt.Errorf("finding job with db id %s failed: %w", id, err), http.StatusUnprocessableEntity, rw)
return
}
job.Tags, err = api.JobRepository.GetTags(r.Context(), &job.ID)
if err != nil {
handleError(err, http.StatusInternalServerError, rw)
return
}
if _, err = api.JobRepository.FetchMetadata(job); err != nil {
handleError(err, http.StatusInternalServerError, rw)
return
}
var metrics GetJobApiRequest
if err = decode(r.Body, &metrics); err != nil {
http.Error(rw, err.Error(), http.StatusBadRequest)
return
}
var scopes []schema.MetricScope
if job.NumNodes == 1 {
scopes = []schema.MetricScope{"core"}
} else {
scopes = []schema.MetricScope{"node"}
}
metricConfigs := archive.GetCluster(job.Cluster).MetricConfig
resolution := 0
for _, mc := range metricConfigs {
resolution = max(resolution, mc.Timestep)
}
data, err := metricDataDispatcher.LoadData(job, metrics, scopes, r.Context(), resolution)
if err != nil {
log.Warnf("REST: error while loading job data for JobID %d on %s", job.JobID, job.Cluster)
return
}
res := []*JobMetricWithName{}
for name, md := range data {
for scope, metric := range md {
res = append(res, &JobMetricWithName{
Name: name,
Scope: scope,
Metric: metric,
})
}
}
log.Debugf("/api/job/%s: get job %d", id, job.JobID)
rw.Header().Add("Content-Type", "application/json")
bw := bufio.NewWriter(rw)
defer bw.Flush()
payload := GetJobApiResponse{
Meta: job,
Data: res,
}
if err := json.NewEncoder(bw).Encode(payload); err != nil {
handleError(err, http.StatusInternalServerError, rw)
return
}
}
// editMeta godoc
// @summary Edit meta-data json
// @tags Job add and modify
// @description Edit key value pairs in job metadata json
// @description If a key already exists its content will be overwritten
// @accept json
// @produce json
// @param id path int true "Job Database ID"
// @param request body api.EditMetaRequest true "Kay value pair to add"
// @success 200 {object} schema.Job "Updated job resource"
// @failure 400 {object} api.ErrorResponse "Bad Request"
// @failure 401 {object} api.ErrorResponse "Unauthorized"
// @failure 404 {object} api.ErrorResponse "Job does not exist"
// @failure 500 {object} api.ErrorResponse "Internal Server Error"
// @security ApiKeyAuth
// @router /jobs/edit_meta/{id} [post]
func (api *RestApi) editMeta(rw http.ResponseWriter, r *http.Request) {
id, err := strconv.ParseInt(mux.Vars(r)["id"], 10, 64)
if err != nil {
http.Error(rw, err.Error(), http.StatusBadRequest)
return
}
job, err := api.JobRepository.FindById(r.Context(), id)
if err != nil {
http.Error(rw, err.Error(), http.StatusNotFound)
return
}
var req EditMetaRequest
if err := decode(r.Body, &req); err != nil {
http.Error(rw, err.Error(), http.StatusBadRequest)
return
}
if err := api.JobRepository.UpdateMetadata(job, req.Key, req.Value); err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
rw.Header().Add("Content-Type", "application/json")
rw.WriteHeader(http.StatusOK)
json.NewEncoder(rw).Encode(job)
}
// tagJob godoc
// @summary Adds one or more tags to a job
// @tags Job add and modify
// @description Adds tag(s) to a job specified by DB ID. Name and Type of Tag(s) can be chosen freely.
// @description Tag Scope for frontend visibility will default to "global" if none entered, other options: "admin" or specific username.
// @description If tagged job is already finished: Tag will be written directly to respective archive files.
// @accept json
// @produce json
// @param id path int true "Job Database ID"
// @param request body api.TagJobApiRequest true "Array of tag-objects to add"
// @success 200 {object} schema.Job "Updated job resource"
// @failure 400 {object} api.ErrorResponse "Bad Request"
// @failure 401 {object} api.ErrorResponse "Unauthorized"
// @failure 404 {object} api.ErrorResponse "Job or tag does not exist"
// @failure 500 {object} api.ErrorResponse "Internal Server Error"
// @security ApiKeyAuth
// @router /jobs/tag_job/{id} [post]
func (api *RestApi) tagJob(rw http.ResponseWriter, r *http.Request) {
id, err := strconv.ParseInt(mux.Vars(r)["id"], 10, 64)
if err != nil {
http.Error(rw, err.Error(), http.StatusBadRequest)
return
}
job, err := api.JobRepository.FindById(r.Context(), id)
if err != nil {
http.Error(rw, err.Error(), http.StatusNotFound)
return
}
job.Tags, err = api.JobRepository.GetTags(r.Context(), &job.ID)
if err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
var req TagJobApiRequest
if err := decode(r.Body, &req); err != nil {
http.Error(rw, err.Error(), http.StatusBadRequest)
return
}
for _, tag := range req {
tagId, err := api.JobRepository.AddTagOrCreate(r.Context(), job.ID, tag.Type, tag.Name, tag.Scope)
if err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
job.Tags = append(job.Tags, &schema.Tag{
ID: tagId,
Type: tag.Type,
Name: tag.Name,
Scope: tag.Scope,
})
}
rw.Header().Add("Content-Type", "application/json")
rw.WriteHeader(http.StatusOK)
json.NewEncoder(rw).Encode(job)
}
// startJob godoc
// @summary Adds a new job as "running"
// @tags Job add and modify
// @description Job specified in request body will be saved to database as "running" with new DB ID.
// @description Job specifications follow the 'JobMeta' scheme, API will fail to execute if requirements are not met.
// @accept json
// @produce json
// @param request body schema.JobMeta true "Job to add"
// @success 201 {object} api.StartJobApiResponse "Job added successfully"
// @failure 400 {object} api.ErrorResponse "Bad Request"
// @failure 401 {object} api.ErrorResponse "Unauthorized"
// @failure 403 {object} api.ErrorResponse "Forbidden"
// @failure 422 {object} api.ErrorResponse "Unprocessable Entity: The combination of jobId, clusterId and startTime does already exist"
// @failure 500 {object} api.ErrorResponse "Internal Server Error"
// @security ApiKeyAuth
// @router /jobs/start_job/ [post]
func (api *RestApi) startJob(rw http.ResponseWriter, r *http.Request) {
req := schema.JobMeta{BaseJob: schema.JobDefaults}
if err := decode(r.Body, &req); err != nil {
handleError(fmt.Errorf("parsing request body failed: %w", err), http.StatusBadRequest, rw)
return
}
if req.State == "" {
req.State = schema.JobStateRunning
}
if err := importer.SanityChecks(&req.BaseJob); err != nil {
handleError(err, http.StatusBadRequest, rw)
return
}
// aquire lock to avoid race condition between API calls
var unlockOnce sync.Once
api.RepositoryMutex.Lock()
defer unlockOnce.Do(api.RepositoryMutex.Unlock)
// Check if combination of (job_id, cluster_id, start_time) already exists:
jobs, err := api.JobRepository.FindAll(&req.JobID, &req.Cluster, nil)
if err != nil && err != sql.ErrNoRows {
handleError(fmt.Errorf("checking for duplicate failed: %w", err), http.StatusInternalServerError, rw)
return
} else if err == nil {
for _, job := range jobs {
if (req.StartTime - job.StartTimeUnix) < 86400 {
handleError(fmt.Errorf("a job with that jobId, cluster and startTime already exists: dbid: %d, jobid: %d", job.ID, job.JobID), http.StatusUnprocessableEntity, rw)
return
}
}
}
id, err := api.JobRepository.Start(&req)
if err != nil {
handleError(fmt.Errorf("insert into database failed: %w", err), http.StatusInternalServerError, rw)
return
}
// unlock here, adding Tags can be async
unlockOnce.Do(api.RepositoryMutex.Unlock)
for _, tag := range req.Tags {
if _, err := api.JobRepository.AddTagOrCreate(r.Context(), id, tag.Type, tag.Name, tag.Scope); err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
handleError(fmt.Errorf("adding tag to new job %d failed: %w", id, err), http.StatusInternalServerError, rw)
return
}
}
log.Printf("new job (id: %d): cluster=%s, jobId=%d, user=%s, startTime=%d", id, req.Cluster, req.JobID, req.User, req.StartTime)
rw.Header().Add("Content-Type", "application/json")
rw.WriteHeader(http.StatusCreated)
json.NewEncoder(rw).Encode(StartJobApiResponse{
DBID: id,
})
}
// stopJobById godoc
// @summary Marks job as completed and triggers archiving
// @tags Job add and modify
// @description Job to stop is specified by database ID. Only stopTime and final state are required in request body.
// @description Returns full job resource information according to 'JobMeta' scheme.
// @accept json
// @produce json
// @param id path int true "Database ID of Job"
// @param request body api.StopJobApiRequest true "stopTime and final state in request body"
// @success 200 {object} schema.JobMeta "Job resource"
// @failure 400 {object} api.ErrorResponse "Bad Request"
// @failure 401 {object} api.ErrorResponse "Unauthorized"
// @failure 403 {object} api.ErrorResponse "Forbidden"
// @failure 404 {object} api.ErrorResponse "Resource not found"
// @failure 422 {object} api.ErrorResponse "Unprocessable Entity: finding job failed: sql: no rows in result set"
// @failure 500 {object} api.ErrorResponse "Internal Server Error"
// @security ApiKeyAuth
// @router /jobs/stop_job/{id} [post]
func (api *RestApi) stopJobById(rw http.ResponseWriter, r *http.Request) {
// Parse request body: Only StopTime and State
req := StopJobApiRequest{}
if err := decode(r.Body, &req); err != nil {
handleError(fmt.Errorf("parsing request body failed: %w", err), http.StatusBadRequest, rw)
return
}
// Fetch job (that will be stopped) from db
id, ok := mux.Vars(r)["id"]
var job *schema.Job
var err error
if ok {
id, e := strconv.ParseInt(id, 10, 64)
if e != nil {
handleError(fmt.Errorf("integer expected in path for id: %w", e), http.StatusBadRequest, rw)
return
}
job, err = api.JobRepository.FindById(r.Context(), id)
} else {
handleError(errors.New("the parameter 'id' is required"), http.StatusBadRequest, rw)
return
}
if err != nil {
handleError(fmt.Errorf("finding job failed: %w", err), http.StatusUnprocessableEntity, rw)
return
}
api.checkAndHandleStopJob(rw, job, req)
}
// stopJobByRequest godoc
// @summary Marks job as completed and triggers archiving
// @tags Job add and modify
// @description Job to stop is specified by request body. All fields are required in this case.
// @description Returns full job resource information according to 'JobMeta' scheme.
// @produce json
// @param request body api.StopJobApiRequest true "All fields required"
// @success 200 {object} schema.JobMeta "Success message"
// @failure 400 {object} api.ErrorResponse "Bad Request"
// @failure 401 {object} api.ErrorResponse "Unauthorized"
// @failure 403 {object} api.ErrorResponse "Forbidden"
// @failure 404 {object} api.ErrorResponse "Resource not found"
// @failure 422 {object} api.ErrorResponse "Unprocessable Entity: finding job failed: sql: no rows in result set"
// @failure 500 {object} api.ErrorResponse "Internal Server Error"
// @security ApiKeyAuth
// @router /jobs/stop_job/ [post]
func (api *RestApi) stopJobByRequest(rw http.ResponseWriter, r *http.Request) {
// Parse request body
req := StopJobApiRequest{}
if err := decode(r.Body, &req); err != nil {
handleError(fmt.Errorf("parsing request body failed: %w", err), http.StatusBadRequest, rw)
return
}
// Fetch job (that will be stopped) from db
var job *schema.Job
var err error
if req.JobId == nil {
handleError(errors.New("the field 'jobId' is required"), http.StatusBadRequest, rw)
return
}
// log.Printf("loading db job for stopJobByRequest... : stopJobApiRequest=%v", req)
job, err = api.JobRepository.Find(req.JobId, req.Cluster, req.StartTime)
if err != nil {
handleError(fmt.Errorf("finding job failed: %w", err), http.StatusUnprocessableEntity, rw)
return
}
api.checkAndHandleStopJob(rw, job, req)
}
// deleteJobById godoc
// @summary Remove a job from the sql database
// @tags Job remove
// @description Job to remove is specified by database ID. This will not remove the job from the job archive.
// @produce json
// @param id path int true "Database ID of Job"
// @success 200 {object} api.DeleteJobApiResponse "Success message"
// @failure 400 {object} api.ErrorResponse "Bad Request"
// @failure 401 {object} api.ErrorResponse "Unauthorized"
// @failure 403 {object} api.ErrorResponse "Forbidden"
// @failure 404 {object} api.ErrorResponse "Resource not found"
// @failure 422 {object} api.ErrorResponse "Unprocessable Entity: finding job failed: sql: no rows in result set"
// @failure 500 {object} api.ErrorResponse "Internal Server Error"
// @security ApiKeyAuth
// @router /jobs/delete_job/{id} [delete]
func (api *RestApi) deleteJobById(rw http.ResponseWriter, r *http.Request) {
// Fetch job (that will be stopped) from db
id, ok := mux.Vars(r)["id"]
var err error
if ok {
id, e := strconv.ParseInt(id, 10, 64)
if e != nil {
handleError(fmt.Errorf("integer expected in path for id: %w", e), http.StatusBadRequest, rw)
return
}
err = api.JobRepository.DeleteJobById(id)
} else {
handleError(errors.New("the parameter 'id' is required"), http.StatusBadRequest, rw)
return
}
if err != nil {
handleError(fmt.Errorf("deleting job failed: %w", err), http.StatusUnprocessableEntity, rw)
return
}
rw.Header().Add("Content-Type", "application/json")
rw.WriteHeader(http.StatusOK)
json.NewEncoder(rw).Encode(DeleteJobApiResponse{
Message: fmt.Sprintf("Successfully deleted job %s", id),
})
}
// deleteJobByRequest godoc
// @summary Remove a job from the sql database
// @tags Job remove
// @description Job to delete is specified by request body. All fields are required in this case.
// @accept json
// @produce json
// @param request body api.DeleteJobApiRequest true "All fields required"
// @success 200 {object} api.DeleteJobApiResponse "Success message"
// @failure 400 {object} api.ErrorResponse "Bad Request"
// @failure 401 {object} api.ErrorResponse "Unauthorized"
// @failure 403 {object} api.ErrorResponse "Forbidden"
// @failure 404 {object} api.ErrorResponse "Resource not found"
// @failure 422 {object} api.ErrorResponse "Unprocessable Entity: finding job failed: sql: no rows in result set"
// @failure 500 {object} api.ErrorResponse "Internal Server Error"
// @security ApiKeyAuth
// @router /jobs/delete_job/ [delete]
func (api *RestApi) deleteJobByRequest(rw http.ResponseWriter, r *http.Request) {
// Parse request body
req := DeleteJobApiRequest{}
if err := decode(r.Body, &req); err != nil {
handleError(fmt.Errorf("parsing request body failed: %w", err), http.StatusBadRequest, rw)
return
}
// Fetch job (that will be deleted) from db
var job *schema.Job
var err error
if req.JobId == nil {
handleError(errors.New("the field 'jobId' is required"), http.StatusBadRequest, rw)
return
}
job, err = api.JobRepository.Find(req.JobId, req.Cluster, req.StartTime)
if err != nil {
handleError(fmt.Errorf("finding job failed: %w", err), http.StatusUnprocessableEntity, rw)
return
}
err = api.JobRepository.DeleteJobById(job.ID)
if err != nil {
handleError(fmt.Errorf("deleting job failed: %w", err), http.StatusUnprocessableEntity, rw)
return
}
rw.Header().Add("Content-Type", "application/json")
rw.WriteHeader(http.StatusOK)
json.NewEncoder(rw).Encode(DeleteJobApiResponse{
Message: fmt.Sprintf("Successfully deleted job %d", job.ID),
})
}
// deleteJobBefore godoc
// @summary Remove a job from the sql database
// @tags Job remove
// @description Remove all jobs with start time before timestamp. The jobs will not be removed from the job archive.
// @produce json
// @param ts path int true "Unix epoch timestamp"
// @success 200 {object} api.DeleteJobApiResponse "Success message"
// @failure 400 {object} api.ErrorResponse "Bad Request"
// @failure 401 {object} api.ErrorResponse "Unauthorized"
// @failure 403 {object} api.ErrorResponse "Forbidden"
// @failure 404 {object} api.ErrorResponse "Resource not found"
// @failure 422 {object} api.ErrorResponse "Unprocessable Entity: finding job failed: sql: no rows in result set"
// @failure 500 {object} api.ErrorResponse "Internal Server Error"
// @security ApiKeyAuth
// @router /jobs/delete_job_before/{ts} [delete]
func (api *RestApi) deleteJobBefore(rw http.ResponseWriter, r *http.Request) {
var cnt int
// Fetch job (that will be stopped) from db
id, ok := mux.Vars(r)["ts"]
var err error
if ok {
ts, e := strconv.ParseInt(id, 10, 64)
if e != nil {
handleError(fmt.Errorf("integer expected in path for ts: %w", e), http.StatusBadRequest, rw)
return
}
cnt, err = api.JobRepository.DeleteJobsBefore(ts)
} else {
handleError(errors.New("the parameter 'ts' is required"), http.StatusBadRequest, rw)
return
}
if err != nil {
handleError(fmt.Errorf("deleting jobs failed: %w", err), http.StatusUnprocessableEntity, rw)
return
}
rw.Header().Add("Content-Type", "application/json")
rw.WriteHeader(http.StatusOK)
json.NewEncoder(rw).Encode(DeleteJobApiResponse{
Message: fmt.Sprintf("Successfully deleted %d jobs", cnt),
})
}
func (api *RestApi) checkAndHandleStopJob(rw http.ResponseWriter, job *schema.Job, req StopJobApiRequest) {
// Sanity checks
if job == nil || job.StartTime.Unix() >= req.StopTime || job.State != schema.JobStateRunning {
handleError(fmt.Errorf("jobId %d (id %d) on %s : stopTime %d must be larger than startTime %d and only running jobs can be stopped (state is: %s)", job.JobID, job.ID, job.Cluster, req.StopTime, job.StartTime.Unix(), job.State), http.StatusBadRequest, rw)
return
}
if req.State != "" && !req.State.Valid() {
handleError(fmt.Errorf("jobId %d (id %d) on %s : invalid requested job state: %#v", job.JobID, job.ID, job.Cluster, req.State), http.StatusBadRequest, rw)
return
} else if req.State == "" {
req.State = schema.JobStateCompleted
}
// Mark job as stopped in the database (update state and duration)
job.Duration = int32(req.StopTime - job.StartTime.Unix())
job.State = req.State
if err := api.JobRepository.Stop(job.ID, job.Duration, job.State, job.MonitoringStatus); err != nil {
handleError(fmt.Errorf("jobId %d (id %d) on %s : marking job as '%s' (duration: %d) in DB failed: %w", job.JobID, job.ID, job.Cluster, job.State, job.Duration, err), http.StatusInternalServerError, rw)
return
}
log.Printf("archiving job... (dbid: %d): cluster=%s, jobId=%d, user=%s, startTime=%s, duration=%d, state=%s", job.ID, job.Cluster, job.JobID, job.User, job.StartTime, job.Duration, job.State)
// Send a response (with status OK). This means that erros that happen from here on forward
// can *NOT* be communicated to the client. If reading from a MetricDataRepository or
// writing to the filesystem fails, the client will not know.
rw.Header().Add("Content-Type", "application/json")
rw.WriteHeader(http.StatusOK)
json.NewEncoder(rw).Encode(job)
// Monitoring is disabled...
if job.MonitoringStatus == schema.MonitoringStatusDisabled {
return
}
// Trigger async archiving
archiver.TriggerArchiving(job)
}
func (api *RestApi) getJobMetrics(rw http.ResponseWriter, r *http.Request) {
id := mux.Vars(r)["id"]
metrics := r.URL.Query()["metric"]
var scopes []schema.MetricScope
for _, scope := range r.URL.Query()["scope"] {
var s schema.MetricScope
if err := s.UnmarshalGQL(scope); err != nil {
http.Error(rw, err.Error(), http.StatusBadRequest)
return
}
scopes = append(scopes, s)
}
rw.Header().Add("Content-Type", "application/json")
rw.WriteHeader(http.StatusOK)
type Respone struct {
Data *struct {
JobMetrics []*model.JobMetricWithName `json:"jobMetrics"`
} `json:"data"`
Error *struct {
Message string `json:"message"`
} `json:"error"`
}
resolver := graph.GetResolverInstance()
data, err := resolver.Query().JobMetrics(r.Context(), id, metrics, scopes, nil)
if err != nil {
json.NewEncoder(rw).Encode(Respone{
Error: &struct {
Message string "json:\"message\""
}{Message: err.Error()},
})
return
}
json.NewEncoder(rw).Encode(Respone{
Data: &struct {
JobMetrics []*model.JobMetricWithName "json:\"jobMetrics\""
}{JobMetrics: data},
})
}
// createUser godoc
// @summary Adds a new user
// @tags User
// @description User specified in form data will be saved to database.
// @description Only accessible from IPs registered with apiAllowedIPs configuration option.
// @accept mpfd
// @produce plain
// @param username formData string true "Unique user ID"
// @param password formData string true "User password"
// @param role formData string true "User role" Enums(admin, support, manager, user, api)
// @param project formData string false "Managed project, required for new manager role user"
// @param name formData string false "Users name"
// @param email formData string false "Users email"
// @success 200 {string} string "Success Response"
// @failure 400 {string} string "Bad Request"
// @failure 401 {string} string "Unauthorized"
// @failure 403 {string} string "Forbidden"
// @failure 422 {string} string "Unprocessable Entity: creating user failed"
// @failure 500 {string} string "Internal Server Error"
// @security ApiKeyAuth
// @router /users/ [post]
func (api *RestApi) createUser(rw http.ResponseWriter, r *http.Request) {
err := securedCheck(r)
if err != nil {
http.Error(rw, err.Error(), http.StatusForbidden)
return
}
rw.Header().Set("Content-Type", "text/plain")
me := repository.GetUserFromContext(r.Context())
if !me.HasRole(schema.RoleAdmin) {
http.Error(rw, "Only admins are allowed to create new users", http.StatusForbidden)
return
}
username, password, role, name, email, project := r.FormValue("username"),
r.FormValue("password"), r.FormValue("role"), r.FormValue("name"),
r.FormValue("email"), r.FormValue("project")
if len(password) == 0 && role != schema.GetRoleString(schema.RoleApi) {
http.Error(rw, "Only API users are allowed to have a blank password (login will be impossible)", http.StatusBadRequest)
return
}
if len(project) != 0 && role != schema.GetRoleString(schema.RoleManager) {
http.Error(rw, "only managers require a project (can be changed later)",
http.StatusBadRequest)
return
} else if len(project) == 0 && role == schema.GetRoleString(schema.RoleManager) {
http.Error(rw, "managers require a project to manage (can be changed later)",
http.StatusBadRequest)
return
}
if err := repository.GetUserRepository().AddUser(&schema.User{
Username: username,
Name: name,
Password: password,
Email: email,
Projects: []string{project},
Roles: []string{role},
}); err != nil {
http.Error(rw, err.Error(), http.StatusUnprocessableEntity)
return
}
fmt.Fprintf(rw, "User %v successfully created!\n", username)
}
// deleteUser godoc
// @summary Deletes a user
// @tags User
// @description User defined by username in form data will be deleted from database.
// @description Only accessible from IPs registered with apiAllowedIPs configuration option.
// @accept mpfd
// @produce plain
// @param username formData string true "User ID to delete"
// @success 200 "User deleted successfully"
// @failure 400 {string} string "Bad Request"
// @failure 401 {string} string "Unauthorized"
// @failure 403 {string} string "Forbidden"
// @failure 422 {string} string "Unprocessable Entity: deleting user failed"
// @failure 500 {string} string "Internal Server Error"
// @security ApiKeyAuth
// @router /users/ [delete]
func (api *RestApi) deleteUser(rw http.ResponseWriter, r *http.Request) {
err := securedCheck(r)
if err != nil {
http.Error(rw, err.Error(), http.StatusForbidden)
return
}
if user := repository.GetUserFromContext(r.Context()); !user.HasRole(schema.RoleAdmin) {
http.Error(rw, "Only admins are allowed to delete a user", http.StatusForbidden)
return
}
username := r.FormValue("username")
if err := repository.GetUserRepository().DelUser(username); err != nil {
http.Error(rw, err.Error(), http.StatusUnprocessableEntity)
return
}
rw.WriteHeader(http.StatusOK)
}
// getUsers godoc
// @summary Returns a list of users
// @tags User
// @description Returns a JSON-encoded list of users.
// @description Required query-parameter defines if all users or only users with additional special roles are returned.
// @description Only accessible from IPs registered with apiAllowedIPs configuration option.
// @produce json
// @param not-just-user query bool true "If returned list should contain all users or only users with additional special roles"
// @success 200 {array} api.ApiReturnedUser "List of users returned successfully"
// @failure 400 {string} string "Bad Request"
// @failure 401 {string} string "Unauthorized"
// @failure 403 {string} string "Forbidden"
// @failure 500 {string} string "Internal Server Error"
// @security ApiKeyAuth
// @router /users/ [get]
func (api *RestApi) getUsers(rw http.ResponseWriter, r *http.Request) {
err := securedCheck(r)
if err != nil {
http.Error(rw, err.Error(), http.StatusForbidden)
return
}
if user := repository.GetUserFromContext(r.Context()); !user.HasRole(schema.RoleAdmin) {
http.Error(rw, "Only admins are allowed to fetch a list of users", http.StatusForbidden)
return
}
users, err := repository.GetUserRepository().ListUsers(r.URL.Query().Get("not-just-user") == "true")
if err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
json.NewEncoder(rw).Encode(users)
}
// updateUser godoc
// @summary Updates an existing user
// @tags User
// @description Modifies user defined by username (id) in one of four possible ways.
// @description If more than one formValue is set then only the highest priority field is used.
// @description Only accessible from IPs registered with apiAllowedIPs configuration option.
// @accept mpfd
// @produce plain
// @param id path string true "Database ID of User"
// @param add-role formData string false "Priority 1: Role to add" Enums(admin, support, manager, user, api)
// @param remove-role formData string false "Priority 2: Role to remove" Enums(admin, support, manager, user, api)
// @param add-project formData string false "Priority 3: Project to add"
// @param remove-project formData string false "Priority 4: Project to remove"
// @success 200 {string} string "Success Response Message"
// @failure 400 {string} string "Bad Request"
// @failure 401 {string} string "Unauthorized"
// @failure 403 {string} string "Forbidden"
// @failure 422 {string} string "Unprocessable Entity: The user could not be updated"
// @failure 500 {string} string "Internal Server Error"
// @security ApiKeyAuth
// @router /user/{id} [post]
func (api *RestApi) updateUser(rw http.ResponseWriter, r *http.Request) {
err := securedCheck(r)
if err != nil {
http.Error(rw, err.Error(), http.StatusForbidden)
return
}
if user := repository.GetUserFromContext(r.Context()); !user.HasRole(schema.RoleAdmin) {
http.Error(rw, "Only admins are allowed to update a user", http.StatusForbidden)
return
}
// Get Values
newrole := r.FormValue("add-role")
delrole := r.FormValue("remove-role")
newproj := r.FormValue("add-project")
delproj := r.FormValue("remove-project")
// TODO: Handle anything but roles...
if newrole != "" {
if err := repository.GetUserRepository().AddRole(r.Context(), mux.Vars(r)["id"], newrole); err != nil {
http.Error(rw, err.Error(), http.StatusUnprocessableEntity)
return
}
rw.Write([]byte("Add Role Success"))
} else if delrole != "" {
if err := repository.GetUserRepository().RemoveRole(r.Context(), mux.Vars(r)["id"], delrole); err != nil {
http.Error(rw, err.Error(), http.StatusUnprocessableEntity)
return
}
rw.Write([]byte("Remove Role Success"))
} else if newproj != "" {
if err := repository.GetUserRepository().AddProject(r.Context(), mux.Vars(r)["id"], newproj); err != nil {
http.Error(rw, err.Error(), http.StatusUnprocessableEntity)
return
}
rw.Write([]byte("Add Project Success"))
} else if delproj != "" {
if err := repository.GetUserRepository().RemoveProject(r.Context(), mux.Vars(r)["id"], delproj); err != nil {
http.Error(rw, err.Error(), http.StatusUnprocessableEntity)
return
}
rw.Write([]byte("Remove Project Success"))
} else {
http.Error(rw, "Not Add or Del [role|project]?", http.StatusInternalServerError)
}
}
func (api *RestApi) getJWT(rw http.ResponseWriter, r *http.Request) {
err := securedCheck(r)
if err != nil {
http.Error(rw, err.Error(), http.StatusForbidden)
return
}
rw.Header().Set("Content-Type", "text/plain")
username := r.FormValue("username")
me := repository.GetUserFromContext(r.Context())
if !me.HasRole(schema.RoleAdmin) {
if username != me.Username {
http.Error(rw, "Only admins are allowed to sign JWTs not for themselves",
http.StatusForbidden)
return
}
}
user, err := repository.GetUserRepository().GetUser(username)
if err != nil {
http.Error(rw, err.Error(), http.StatusUnprocessableEntity)
return
}
jwt, err := api.Authentication.JwtAuth.ProvideJWT(user)
if err != nil {
http.Error(rw, err.Error(), http.StatusUnprocessableEntity)
return
}
rw.WriteHeader(http.StatusOK)
rw.Write([]byte(jwt))
}
func (api *RestApi) getRoles(rw http.ResponseWriter, r *http.Request) {
err := securedCheck(r)
if err != nil {
http.Error(rw, err.Error(), http.StatusForbidden)
return
}
user := repository.GetUserFromContext(r.Context())
if !user.HasRole(schema.RoleAdmin) {
http.Error(rw, "only admins are allowed to fetch a list of roles", http.StatusForbidden)
return
}
roles, err := schema.GetValidRoles(user)
if err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
json.NewEncoder(rw).Encode(roles)
}
func (api *RestApi) updateConfiguration(rw http.ResponseWriter, r *http.Request) {
rw.Header().Set("Content-Type", "text/plain")
key, value := r.FormValue("key"), r.FormValue("value")
fmt.Printf("REST > KEY: %#v\nVALUE: %#v\n", key, value)
if err := repository.GetUserCfgRepo().UpdateConfig(key, value, repository.GetUserFromContext(r.Context())); err != nil {
http.Error(rw, err.Error(), http.StatusUnprocessableEntity)
return
}
rw.Write([]byte("success"))
}
func (api *RestApi) putMachineState(rw http.ResponseWriter, r *http.Request) {
if api.MachineStateDir == "" {
http.Error(rw, "REST > machine state not enabled", http.StatusNotFound)
return
}
vars := mux.Vars(r)
cluster := vars["cluster"]
host := vars["host"]
dir := filepath.Join(api.MachineStateDir, cluster)
if err := os.MkdirAll(dir, 0755); err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
filename := filepath.Join(dir, fmt.Sprintf("%s.json", host))
f, err := os.Create(filename)
if err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
defer f.Close()
if _, err := io.Copy(f, r.Body); err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
rw.WriteHeader(http.StatusCreated)
}
func (api *RestApi) getMachineState(rw http.ResponseWriter, r *http.Request) {
if api.MachineStateDir == "" {
http.Error(rw, "REST > machine state not enabled", http.StatusNotFound)
return
}
vars := mux.Vars(r)
filename := filepath.Join(api.MachineStateDir, vars["cluster"], fmt.Sprintf("%s.json", vars["host"]))
// Sets the content-type and 'Last-Modified' Header and so on automatically
http.ServeFile(rw, r, filename)
}
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