|
| 1 | +package task |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "fmt" |
| 6 | + "strings" |
| 7 | + |
| 8 | + dt "github.com/docker/docker/api/types" |
| 9 | + "github.com/docker/docker/api/types/filters" |
| 10 | + "github.com/docker/docker/api/types/swarm" |
| 11 | + "github.com/docker/docker/client" |
| 12 | + "github.com/gdamore/tcell/v2" |
| 13 | + "github.com/jr-k/d4s/internal/dao/common" |
| 14 | + "github.com/jr-k/d4s/internal/ui/styles" |
| 15 | +) |
| 16 | + |
| 17 | +type Manager struct { |
| 18 | + cli *client.Client |
| 19 | + ctx context.Context |
| 20 | +} |
| 21 | + |
| 22 | +func NewManager(cli *client.Client, ctx context.Context) *Manager { |
| 23 | + return &Manager{cli: cli, ctx: ctx} |
| 24 | +} |
| 25 | + |
| 26 | +type Task struct { |
| 27 | + ID string |
| 28 | + Name string |
| 29 | + Image string |
| 30 | + Node string |
| 31 | + DesiredState string |
| 32 | + CurrentState string |
| 33 | + Error string |
| 34 | + ContainerID string |
| 35 | + ServiceID string |
| 36 | +} |
| 37 | + |
| 38 | +func (t Task) GetID() string { return t.ID } |
| 39 | +func (t Task) GetCells() []string { |
| 40 | + id := t.ID |
| 41 | + if len(id) > 12 { |
| 42 | + id = id[:12] |
| 43 | + } |
| 44 | + containerID := t.ContainerID |
| 45 | + if len(containerID) > 12 { |
| 46 | + containerID = containerID[:12] |
| 47 | + } |
| 48 | + return []string{id, t.Name, t.Image, t.Node, t.DesiredState, t.CurrentState, t.Error, containerID} |
| 49 | +} |
| 50 | + |
| 51 | +func (t Task) GetStatusColor() (tcell.Color, tcell.Color) { |
| 52 | + switch strings.ToLower(t.CurrentState) { |
| 53 | + case "running": |
| 54 | + return styles.ColorIdle, styles.ColorBlack |
| 55 | + case "complete": |
| 56 | + return styles.ColorStatusGray, styles.ColorBlack |
| 57 | + case "failed", "rejected", "orphaned": |
| 58 | + return styles.ColorStatusRed, styles.ColorBlack |
| 59 | + case "preparing", "starting", "assigned", "accepted", "ready": |
| 60 | + return styles.ColorStatusBlue, styles.ColorBlack |
| 61 | + case "pending", "new": |
| 62 | + return styles.ColorStatusOrange, styles.ColorBlack |
| 63 | + case "shutdown", "remove": |
| 64 | + return styles.ColorStatusGray, styles.ColorBlack |
| 65 | + } |
| 66 | + return styles.ColorFg, styles.ColorBlack |
| 67 | +} |
| 68 | + |
| 69 | +func ucfirst(s string) string { |
| 70 | + if len(s) == 0 { |
| 71 | + return s |
| 72 | + } |
| 73 | + return strings.ToUpper(s[:1]) + s[1:] |
| 74 | +} |
| 75 | + |
| 76 | +func (t Task) GetColumnValue(column string) string { |
| 77 | + switch strings.ToLower(column) { |
| 78 | + case "id": |
| 79 | + return t.ID |
| 80 | + case "name": |
| 81 | + return t.Name |
| 82 | + case "image": |
| 83 | + return t.Image |
| 84 | + case "node": |
| 85 | + return t.Node |
| 86 | + case "desired state": |
| 87 | + return t.DesiredState |
| 88 | + case "current state": |
| 89 | + return t.CurrentState |
| 90 | + case "error": |
| 91 | + return t.Error |
| 92 | + case "container": |
| 93 | + return t.ContainerID |
| 94 | + } |
| 95 | + return "" |
| 96 | +} |
| 97 | + |
| 98 | +func (t Task) GetDefaultColumn() string { |
| 99 | + return "Name" |
| 100 | +} |
| 101 | + |
| 102 | +func (t Task) GetDefaultSortColumn() string { |
| 103 | + return "Name" |
| 104 | +} |
| 105 | + |
| 106 | +func (m *Manager) List() ([]common.Resource, error) { |
| 107 | + tasks, err := m.cli.TaskList(m.ctx, dt.TaskListOptions{}) |
| 108 | + if err != nil { |
| 109 | + return nil, err |
| 110 | + } |
| 111 | + |
| 112 | + nodes := m.resolveNodes() |
| 113 | + services := m.resolveServices() |
| 114 | + |
| 115 | + return m.toResources(tasks, nodes, services), nil |
| 116 | +} |
| 117 | + |
| 118 | +func (m *Manager) ListForService(serviceID string) ([]common.Resource, error) { |
| 119 | + filter := filters.NewArgs() |
| 120 | + filter.Add("service", serviceID) |
| 121 | + |
| 122 | + tasks, err := m.cli.TaskList(m.ctx, dt.TaskListOptions{Filters: filter}) |
| 123 | + if err != nil { |
| 124 | + return nil, err |
| 125 | + } |
| 126 | + |
| 127 | + nodes := m.resolveNodes() |
| 128 | + services := m.resolveServices() |
| 129 | + |
| 130 | + return m.toResources(tasks, nodes, services), nil |
| 131 | +} |
| 132 | + |
| 133 | +func (m *Manager) ListForNode(nodeID string) ([]common.Resource, error) { |
| 134 | + filter := filters.NewArgs() |
| 135 | + filter.Add("node", nodeID) |
| 136 | + |
| 137 | + tasks, err := m.cli.TaskList(m.ctx, dt.TaskListOptions{Filters: filter}) |
| 138 | + if err != nil { |
| 139 | + return nil, err |
| 140 | + } |
| 141 | + |
| 142 | + nodes := m.resolveNodes() |
| 143 | + services := m.resolveServices() |
| 144 | + |
| 145 | + return m.toResources(tasks, nodes, services), nil |
| 146 | +} |
| 147 | + |
| 148 | +func (m *Manager) toResources(tasks []swarm.Task, nodes map[string]string, services map[string]string) []common.Resource { |
| 149 | + var res []common.Resource |
| 150 | + for _, t := range tasks { |
| 151 | + imageName := "" |
| 152 | + if t.Spec.ContainerSpec != nil { |
| 153 | + imageName = t.Spec.ContainerSpec.Image |
| 154 | + if idx := strings.LastIndex(imageName, "@"); idx != -1 { |
| 155 | + imageName = imageName[:idx] |
| 156 | + } |
| 157 | + } |
| 158 | + |
| 159 | + nodeName := t.NodeID |
| 160 | + if name, ok := nodes[t.NodeID]; ok { |
| 161 | + nodeName = name |
| 162 | + } |
| 163 | + |
| 164 | + serviceName := t.ServiceID |
| 165 | + if name, ok := services[t.ServiceID]; ok { |
| 166 | + serviceName = name |
| 167 | + } |
| 168 | + |
| 169 | + name := fmt.Sprintf("%s.%d", serviceName, t.Slot) |
| 170 | + |
| 171 | + containerID := "" |
| 172 | + if t.Status.ContainerStatus != nil { |
| 173 | + containerID = t.Status.ContainerStatus.ContainerID |
| 174 | + } |
| 175 | + |
| 176 | + currentState := ucfirst(string(t.Status.State)) |
| 177 | + |
| 178 | + errMsg := t.Status.Err |
| 179 | + if len(errMsg) > 50 { |
| 180 | + errMsg = errMsg[:50] + "…" |
| 181 | + } |
| 182 | + |
| 183 | + res = append(res, Task{ |
| 184 | + ID: t.ID, |
| 185 | + Name: name, |
| 186 | + Image: imageName, |
| 187 | + Node: nodeName, |
| 188 | + DesiredState: ucfirst(string(t.DesiredState)), |
| 189 | + CurrentState: currentState, |
| 190 | + Error: errMsg, |
| 191 | + ContainerID: containerID, |
| 192 | + ServiceID: t.ServiceID, |
| 193 | + }) |
| 194 | + } |
| 195 | + return res |
| 196 | +} |
| 197 | + |
| 198 | +func (m *Manager) resolveNodes() map[string]string { |
| 199 | + nodes := make(map[string]string) |
| 200 | + list, err := m.cli.NodeList(m.ctx, dt.NodeListOptions{}) |
| 201 | + if err != nil { |
| 202 | + return nodes |
| 203 | + } |
| 204 | + for _, n := range list { |
| 205 | + nodes[n.ID] = n.Description.Hostname |
| 206 | + } |
| 207 | + return nodes |
| 208 | +} |
| 209 | + |
| 210 | +func (m *Manager) resolveServices() map[string]string { |
| 211 | + services := make(map[string]string) |
| 212 | + list, err := m.cli.ServiceList(m.ctx, dt.ServiceListOptions{}) |
| 213 | + if err != nil { |
| 214 | + return services |
| 215 | + } |
| 216 | + for _, s := range list { |
| 217 | + services[s.ID] = s.Spec.Name |
| 218 | + } |
| 219 | + return services |
| 220 | +} |
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