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| 1 | +/* |
| 2 | +Copyright 2021 The Dapr Authors |
| 3 | +Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | +you may not use this file except in compliance with the License. |
| 5 | +You may obtain a copy of the License at |
| 6 | + http://www.apache.org/licenses/LICENSE-2.0 |
| 7 | +Unless required by applicable law or agreed to in writing, software |
| 8 | +distributed under the License is distributed on an "AS IS" BASIS, |
| 9 | +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 10 | +See the License for the specific language governing permissions and |
| 11 | +limitations under the License. |
| 12 | +*/ |
| 13 | + |
| 14 | +package client |
| 15 | + |
| 16 | +import ( |
| 17 | + "context" |
| 18 | + "log" |
| 19 | + "time" |
| 20 | + |
| 21 | + "google.golang.org/protobuf/types/known/anypb" |
| 22 | + "google.golang.org/protobuf/types/known/durationpb" |
| 23 | + |
| 24 | + commonpb "github.com/dapr/dapr/pkg/proto/common/v1" |
| 25 | + runtimepb "github.com/dapr/dapr/pkg/proto/runtime/v1" |
| 26 | +) |
| 27 | + |
| 28 | +type FailurePolicy interface { |
| 29 | + GetPBFailurePolicy() *commonpb.JobFailurePolicy |
| 30 | +} |
| 31 | + |
| 32 | +type JobFailurePolicyConstant struct { |
| 33 | + maxRetries *uint32 |
| 34 | + interval *time.Duration |
| 35 | +} |
| 36 | + |
| 37 | +func (f *JobFailurePolicyConstant) GetPBFailurePolicy() *commonpb.JobFailurePolicy { |
| 38 | + policy := &commonpb.JobFailurePolicy{ |
| 39 | + Policy: &commonpb.JobFailurePolicy_Constant{ |
| 40 | + Constant: &commonpb.JobFailurePolicyConstant{}, |
| 41 | + }, |
| 42 | + } |
| 43 | + if f.maxRetries != nil { |
| 44 | + policy.Policy.(*commonpb.JobFailurePolicy_Constant).Constant.MaxRetries = f.maxRetries |
| 45 | + } |
| 46 | + if f.interval != nil { |
| 47 | + policy.Policy.(*commonpb.JobFailurePolicy_Constant).Constant.Interval = &durationpb.Duration{Seconds: int64(f.interval.Seconds())} |
| 48 | + } |
| 49 | + return policy |
| 50 | +} |
| 51 | + |
| 52 | +type JobFailurePolicyDrop struct { |
| 53 | +} |
| 54 | + |
| 55 | +func (f *JobFailurePolicyDrop) GetPBFailurePolicy() *commonpb.JobFailurePolicy { |
| 56 | + return &commonpb.JobFailurePolicy{ |
| 57 | + Policy: &commonpb.JobFailurePolicy_Drop{ |
| 58 | + Drop: &commonpb.JobFailurePolicyDrop{}, |
| 59 | + }, |
| 60 | + } |
| 61 | +} |
| 62 | + |
| 63 | +func NewFailurePolicyConstant(maxRetries *uint32, interval *time.Duration) FailurePolicy { |
| 64 | + return &JobFailurePolicyConstant{ |
| 65 | + maxRetries: maxRetries, |
| 66 | + interval: interval, |
| 67 | + } |
| 68 | +} |
| 69 | + |
| 70 | +func NewFailurePolicyDrop() FailurePolicy { |
| 71 | + return &JobFailurePolicyDrop{} |
| 72 | +} |
| 73 | + |
| 74 | +type Job struct { |
| 75 | + Name string |
| 76 | + Schedule string // Optional |
| 77 | + Repeats uint32 // Optional |
| 78 | + DueTime string // Optional |
| 79 | + TTL string // Optional |
| 80 | + Data *anypb.Any |
| 81 | + FailurePolicy FailurePolicy |
| 82 | +} |
| 83 | + |
| 84 | +// ScheduleJobAlpha1 raises and schedules a job. |
| 85 | +func (c *GRPCClient) ScheduleJobAlpha1(ctx context.Context, job *Job) error { |
| 86 | + // TODO: Assert job fields are defined: Name, Data |
| 87 | + jobRequest := &runtimepb.Job{ |
| 88 | + Name: job.Name, |
| 89 | + Data: job.Data, |
| 90 | + } |
| 91 | + |
| 92 | + if job.Schedule != "" { |
| 93 | + jobRequest.Schedule = &job.Schedule |
| 94 | + } |
| 95 | + |
| 96 | + if job.Repeats != 0 { |
| 97 | + jobRequest.Repeats = &job.Repeats |
| 98 | + } |
| 99 | + |
| 100 | + if job.DueTime != "" { |
| 101 | + jobRequest.DueTime = &job.DueTime |
| 102 | + } |
| 103 | + |
| 104 | + if job.TTL != "" { |
| 105 | + jobRequest.Ttl = &job.TTL |
| 106 | + } |
| 107 | + |
| 108 | + if job.FailurePolicy != nil { |
| 109 | + jobRequest.FailurePolicy = job.FailurePolicy.GetPBFailurePolicy() |
| 110 | + } |
| 111 | + _, err := c.protoClient.ScheduleJobAlpha1(ctx, &runtimepb.ScheduleJobRequest{ |
| 112 | + Job: jobRequest, |
| 113 | + }) |
| 114 | + return err |
| 115 | +} |
| 116 | + |
| 117 | +// GetJobAlpha1 retrieves a scheduled job. |
| 118 | +func (c *GRPCClient) GetJobAlpha1(ctx context.Context, name string) (*Job, error) { |
| 119 | + // TODO: Name validation |
| 120 | + resp, err := c.protoClient.GetJobAlpha1(ctx, &runtimepb.GetJobRequest{ |
| 121 | + Name: name, |
| 122 | + }) |
| 123 | + log.Println(resp) |
| 124 | + if err != nil { |
| 125 | + return nil, err |
| 126 | + } |
| 127 | + |
| 128 | + var failurePolicy FailurePolicy |
| 129 | + switch policy := resp.GetJob().GetFailurePolicy().Policy.(type) { |
| 130 | + case *commonpb.JobFailurePolicy_Constant: |
| 131 | + interval := time.Duration(policy.Constant.Interval.GetSeconds()) * time.Second |
| 132 | + failurePolicy = &JobFailurePolicyConstant{ |
| 133 | + maxRetries: policy.Constant.MaxRetries, |
| 134 | + interval: &interval, |
| 135 | + } |
| 136 | + case *commonpb.JobFailurePolicy_Drop: |
| 137 | + failurePolicy = &JobFailurePolicyDrop{} |
| 138 | + } |
| 139 | + |
| 140 | + return &Job{ |
| 141 | + Name: resp.GetJob().GetName(), |
| 142 | + Schedule: resp.GetJob().GetSchedule(), |
| 143 | + Repeats: resp.GetJob().GetRepeats(), |
| 144 | + DueTime: resp.GetJob().GetDueTime(), |
| 145 | + TTL: resp.GetJob().GetTtl(), |
| 146 | + Data: resp.GetJob().GetData(), |
| 147 | + FailurePolicy: failurePolicy, |
| 148 | + }, nil |
| 149 | +} |
| 150 | + |
| 151 | +// DeleteJobAlpha1 deletes a scheduled job. |
| 152 | +func (c *GRPCClient) DeleteJobAlpha1(ctx context.Context, name string) error { |
| 153 | + // TODO: Name validation |
| 154 | + _, err := c.protoClient.DeleteJobAlpha1(ctx, &runtimepb.DeleteJobRequest{ |
| 155 | + Name: name, |
| 156 | + }) |
| 157 | + return err |
| 158 | +} |
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