mirror of
https://github.com/openfaas/faas.git
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89878f0c8a
Note, not all `alexellis/github` references should be changed, there are a number of repos which are not part of the openfaas org, this commit excludes those. Signed-off-by: John McCabe <john@johnmccabe.net>
83 lines
2.2 KiB
Go
83 lines
2.2 KiB
Go
// Copyright (c) Alex Ellis 2017. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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package handlers
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import (
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"context"
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"encoding/json"
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"fmt"
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"log"
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"net/http"
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"io/ioutil"
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"github.com/openfaas/faas/gateway/metrics"
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"github.com/openfaas/faas/gateway/requests"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/filters"
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"github.com/docker/docker/client"
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)
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func MakeDeleteFunctionHandler(metricsOptions metrics.MetricOptions, c *client.Client) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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req := requests.DeleteFunctionRequest{}
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defer r.Body.Close()
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reqData, _ := ioutil.ReadAll(r.Body)
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unmarshalErr := json.Unmarshal(reqData, &req)
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if (len(req.FunctionName) == 0) || unmarshalErr != nil {
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log.Printf("Error parsing request to remove service: %s\n", unmarshalErr)
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w.WriteHeader(http.StatusBadRequest)
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return
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}
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log.Printf("Attempting to remove service %s\n", req.FunctionName)
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serviceFilter := filters.NewArgs()
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options := types.ServiceListOptions{
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Filters: serviceFilter,
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}
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services, err := c.ServiceList(context.Background(), options)
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if err != nil {
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fmt.Println(err)
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}
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// TODO: Filter only "faas" functions (via metadata?)
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var serviceIDs []string
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for _, service := range services {
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isFunction := len(service.Spec.TaskTemplate.ContainerSpec.Labels["function"]) > 0
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if isFunction && req.FunctionName == service.Spec.Name {
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serviceIDs = append(serviceIDs, service.ID)
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}
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}
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log.Println(len(serviceIDs))
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if len(serviceIDs) == 0 {
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w.WriteHeader(http.StatusNotFound)
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w.Write([]byte(fmt.Sprintf("No such service found: %s.", req.FunctionName)))
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return
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}
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var serviceRemoveErrors []error
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for _, serviceID := range serviceIDs {
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err := c.ServiceRemove(context.Background(), serviceID)
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if err != nil {
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serviceRemoveErrors = append(serviceRemoveErrors, err)
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}
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}
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if len(serviceRemoveErrors) > 0 {
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log.Printf("Error(s) removing service: %s\n", req.FunctionName)
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log.Println(serviceRemoveErrors)
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w.WriteHeader(http.StatusInternalServerError)
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} else {
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w.WriteHeader(http.StatusOK)
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}
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}
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}
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