75 lines
1.8 KiB
Go
75 lines
1.8 KiB
Go
package app
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import (
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"encoding/json"
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"os"
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"path/filepath"
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"time"
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)
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func loadTransportPolicyState() TransportPolicyState {
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st := TransportPolicyState{Version: transportStateVersion, Revision: 0}
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data, err := os.ReadFile(transportPolicyStatePath)
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if err != nil {
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return st
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}
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if err := json.Unmarshal(data, &st); err != nil {
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return TransportPolicyState{Version: transportStateVersion, Revision: 0}
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}
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if st.Version == 0 {
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st.Version = transportStateVersion
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}
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if st.Intents == nil {
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st.Intents = nil
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}
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return st
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}
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func saveTransportPolicyState(st TransportPolicyState) error {
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st.Version = transportStateVersion
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st.UpdatedAt = time.Now().UTC().Format(time.RFC3339)
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data, err := json.MarshalIndent(st, "", " ")
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if err != nil {
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return err
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}
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if err := os.MkdirAll(filepath.Dir(transportPolicyStatePath), 0o755); err != nil {
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return err
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}
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tmp := transportPolicyStatePath + ".tmp"
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if err := os.WriteFile(tmp, data, 0o644); err != nil {
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return err
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}
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return os.Rename(tmp, transportPolicyStatePath)
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}
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func saveTransportPolicySnapshot(st TransportPolicyState) error {
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data, err := json.MarshalIndent(st, "", " ")
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if err != nil {
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return err
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}
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if err := os.MkdirAll(filepath.Dir(transportPolicySnapshotPath), 0o755); err != nil {
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return err
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}
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tmp := transportPolicySnapshotPath + ".tmp"
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if err := os.WriteFile(tmp, data, 0o644); err != nil {
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return err
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}
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return os.Rename(tmp, transportPolicySnapshotPath)
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}
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func loadTransportPolicySnapshot() (TransportPolicyState, bool) {
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data, err := os.ReadFile(transportPolicySnapshotPath)
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if err != nil {
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return TransportPolicyState{}, false
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}
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var st TransportPolicyState
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if err := json.Unmarshal(data, &st); err != nil {
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return TransportPolicyState{}, false
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}
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if st.Version == 0 {
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st.Version = transportStateVersion
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}
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return st, true
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}
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