CCCHH/spaceapid
CCCHH/spaceapid
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Rename constant for persistent state file and fix it at compile-time

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This commit is contained in:
Bendodroid 2024-01-31 17:08:39 +01:00
parent 4840021b08
commit c7c6086d11
Signed by: bendodroid
GPG key ID: 3EEE19A0F73D5FFC
3 changed files with 26 additions and 14 deletions
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7
util/persistentStateDir.go Normal file
View file

@ -0,0 +1,7 @@
//go:build !linux
package util
const (
persistentStateDir = "./"
)

5
util/persistentStateDir_linux.go Normal file
View file

@ -0,0 +1,5 @@
package util
const (
persistentStateDir = "/var/lib/spaceapid/"
)

28
util/util.go
View file

@ -5,13 +5,13 @@ import (
"errors"
"log"
"os"
"path"
"git.hamburg.ccc.de/ccchh/spaceapid/types"
)
const (
savedStateJSONPath = "/var/lib/spaceapid/spaceapid-state.json"
persistentStateFile = "spaceapid-state.json"
persistentStatePath = persistentStateDir + persistentStateFile
)
// MergeOldState merges a given SpaceAPIResponse with the state saved at the time of last program exit and then deletes
@ -23,12 +23,12 @@ func MergeOldState(response *types.SpaceAPIResponseV14) {
persistedState types.PersistentStateV14
)
log.Println("Merging old state from", savedStateJSONPath, "...")
log.Println("Merging old state from", persistentStatePath, "...")
// Check if state.json is present
_, err = os.Stat(savedStateJSONPath)
_, err = os.Stat(persistentStatePath)
if err != nil {
log.Println("Old state json not accessible at", savedStateJSONPath, ", skipping merge... error:", err)
log.Println("Old state json not accessible at", persistentStatePath, ", skipping merge... error:", err)
if errors.Is(err, os.ErrNotExist) {
return
}
@ -36,14 +36,14 @@ func MergeOldState(response *types.SpaceAPIResponseV14) {
}
// Read file and load persisted state
oldState, err = os.ReadFile(savedStateJSONPath)
oldState, err = os.ReadFile(persistentStatePath)
if err != nil {
log.Println("Error reading old state from", savedStateJSONPath, ", skipping merge... error:", err)
log.Println("Error reading old state from", persistentStatePath, ", skipping merge... error:", err)
goto removeOld
}
err = json.Unmarshal(oldState, &persistedState)
if err != nil {
log.Println(savedStateJSONPath, "doesn't seem to contain valid data... error:", err)
log.Println(persistentStatePath, "doesn't seem to contain valid data... error:", err)
goto removeOld
}
@ -66,23 +66,23 @@ func MergeOldState(response *types.SpaceAPIResponseV14) {
// Delete old state json
removeOld:
err = os.RemoveAll(savedStateJSONPath)
err = os.RemoveAll(persistentStatePath)
if err != nil {
log.Println("Failed to remove", savedStateJSONPath, ", continuing... error:", err)
log.Println("Failed to remove", persistentStatePath, ", continuing... error:", err)
}
}
func SaveCurrentState(response types.SpaceAPIResponseV14) {
// Create state directory if not present
err := os.MkdirAll(path.Dir(savedStateJSONPath), 0750)
err := os.MkdirAll(persistentStateDir, 0750)
if err != nil {
log.Fatalln("Failed creating", savedStateJSONPath, ", aborting... error:", err)
log.Fatalln("Failed creating", persistentStateDir, ", aborting... error:", err)
}
// Open persistent state file
file, err := os.OpenFile(savedStateJSONPath, os.O_WRONLY|os.O_CREATE, 0644)
file, err := os.OpenFile(persistentStatePath, os.O_WRONLY|os.O_CREATE, 0644)
if err != nil {
log.Fatalln("Failed opening", savedStateJSONPath, "while trying to save current state... error:", err)
log.Fatalln("Failed opening", persistentStatePath, "while trying to save current state... error:", err)
}
defer file.Close()