Compare commits
4 commits
c2c52149cd
...
f9fc3be716
| Author | SHA1 | Date | |
|---|---|---|---|
f9fc3be716
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6b39120f6d
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517af957cf
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d1e66a60bd
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6 changed files with 267 additions and 4 deletions
19
.editorconfig
Normal file
19
.editorconfig
Normal file
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@ -0,0 +1,19 @@
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root = true
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[*]
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indent_style = tab
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indent_size = 4
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end-of_line = lf
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charset = utf-8
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trim_trailing_whitespace = true
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insert_final_newline = true
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[*.{conf,hcl,json,md,xml,yml}]
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indent_style = space
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indent_size = 2
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[*.md]
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trim_trailing_whitespace = false
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[*.sql]
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indent_style = space
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@ -25,6 +25,6 @@ func WaitForSignal(sig ...os.Signal) os.Signal {
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}
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// WaitForSignalsDefault waits until one of SIGINT, SIGQUIT or SIGTERM is received.
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func WaitForSignalsDefault() {
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WaitForSignal(Interrupt, Quit, Terminate)
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func WaitForSignalsDefault() os.Signal {
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return WaitForSignal(Interrupt, Quit, Terminate)
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}
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|
|
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36
go.mod
36
go.mod
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@ -1,5 +1,37 @@
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module git.joco.dk/joco/geck-go
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go 1.21
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go 1.22
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toolchain go1.21.0
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toolchain go1.22.6
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|
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require (
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github.com/fsnotify/fsnotify v1.7.0
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github.com/gofrs/uuid v4.4.0+incompatible
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github.com/jackc/pgx/v5 v5.6.0
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github.com/spf13/pflag v1.0.5
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github.com/spf13/viper v1.19.0
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)
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require (
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github.com/hashicorp/hcl v1.0.0 // indirect
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github.com/jackc/pgpassfile v1.0.0 // indirect
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github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
|
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github.com/jackc/puddle/v2 v2.2.1 // indirect
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github.com/magiconair/properties v1.8.7 // indirect
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github.com/mitchellh/mapstructure v1.5.0 // indirect
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github.com/pelletier/go-toml/v2 v2.2.3 // indirect
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github.com/sagikazarmark/locafero v0.6.0 // indirect
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github.com/sagikazarmark/slog-shim v0.1.0 // indirect
|
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github.com/sourcegraph/conc v0.3.0 // indirect
|
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github.com/spf13/afero v1.11.0 // indirect
|
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github.com/spf13/cast v1.7.0 // indirect
|
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github.com/subosito/gotenv v1.6.0 // indirect
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go.uber.org/multierr v1.11.0 // indirect
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golang.org/x/crypto v0.26.0 // indirect
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golang.org/x/exp v0.0.0-20240823005443-9b4947da3948 // indirect
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golang.org/x/sync v0.8.0 // indirect
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golang.org/x/sys v0.24.0 // indirect
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golang.org/x/text v0.17.0 // indirect
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gopkg.in/ini.v1 v1.67.0 // indirect
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gopkg.in/yaml.v3 v3.0.1 // indirect
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)
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|
|
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78
go.sum
78
go.sum
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@ -0,0 +1,78 @@
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
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github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
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github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
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github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
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github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
|
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github.com/gofrs/uuid v4.4.0+incompatible h1:3qXRTX8/NbyulANqlc0lchS1gqAVxRgsuW1YrTJupqA=
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github.com/gofrs/uuid v4.4.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
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github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
|
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github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
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github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
|
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github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
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github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsIM=
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github.com/jackc/pgpassfile v1.0.0/go.mod h1:CEx0iS5ambNFdcRtxPj5JhEz+xB6uRky5eyVu/W2HEg=
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github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 h1:iCEnooe7UlwOQYpKFhBabPMi4aNAfoODPEFNiAnClxo=
|
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github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761/go.mod h1:5TJZWKEWniPve33vlWYSoGYefn3gLQRzjfDlhSJ9ZKM=
|
||||
github.com/jackc/pgx/v5 v5.6.0 h1:SWJzexBzPL5jb0GEsrPMLIsi/3jOo7RHlzTjcAeDrPY=
|
||||
github.com/jackc/pgx/v5 v5.6.0/go.mod h1:DNZ/vlrUnhWCoFGxHAG8U2ljioxukquj7utPDgtQdTw=
|
||||
github.com/jackc/puddle/v2 v2.2.1 h1:RhxXJtFG022u4ibrCSMSiu5aOq1i77R3OHKNJj77OAk=
|
||||
github.com/jackc/puddle/v2 v2.2.1/go.mod h1:vriiEXHvEE654aYKXXjOvZM39qJ0q+azkZFrfEOc3H4=
|
||||
github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
|
||||
github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
|
||||
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
|
||||
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
|
||||
github.com/magiconair/properties v1.8.7 h1:IeQXZAiQcpL9mgcAe1Nu6cX9LLw6ExEHKjN0VQdvPDY=
|
||||
github.com/magiconair/properties v1.8.7/go.mod h1:Dhd985XPs7jluiymwWYZ0G4Z61jb3vdS329zhj2hYo0=
|
||||
github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
|
||||
github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
|
||||
github.com/pelletier/go-toml/v2 v2.2.3 h1:YmeHyLY8mFWbdkNWwpr+qIL2bEqT0o95WSdkNHvL12M=
|
||||
github.com/pelletier/go-toml/v2 v2.2.3/go.mod h1:MfCQTFTvCcUyyvvwm1+G6H/jORL20Xlb6rzQu9GuUkc=
|
||||
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
|
||||
github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
|
||||
github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
|
||||
github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8=
|
||||
github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
|
||||
github.com/sagikazarmark/locafero v0.6.0 h1:ON7AQg37yzcRPU69mt7gwhFEBwxI6P9T4Qu3N51bwOk=
|
||||
github.com/sagikazarmark/locafero v0.6.0/go.mod h1:77OmuIc6VTraTXKXIs/uvUxKGUXjE1GbemJYHqdNjX0=
|
||||
github.com/sagikazarmark/slog-shim v0.1.0 h1:diDBnUNK9N/354PgrxMywXnAwEr1QZcOr6gto+ugjYE=
|
||||
github.com/sagikazarmark/slog-shim v0.1.0/go.mod h1:SrcSrq8aKtyuqEI1uvTDTK1arOWRIczQRv+GVI1AkeQ=
|
||||
github.com/sourcegraph/conc v0.3.0 h1:OQTbbt6P72L20UqAkXXuLOj79LfEanQ+YQFNpLA9ySo=
|
||||
github.com/sourcegraph/conc v0.3.0/go.mod h1:Sdozi7LEKbFPqYX2/J+iBAM6HpqSLTASQIKqDmF7Mt0=
|
||||
github.com/spf13/afero v1.11.0 h1:WJQKhtpdm3v2IzqG8VMqrr6Rf3UYpEF239Jy9wNepM8=
|
||||
github.com/spf13/afero v1.11.0/go.mod h1:GH9Y3pIexgf1MTIWtNGyogA5MwRIDXGUr+hbWNoBjkY=
|
||||
github.com/spf13/cast v1.7.0 h1:ntdiHjuueXFgm5nzDRdOS4yfT43P5Fnud6DH50rz/7w=
|
||||
github.com/spf13/cast v1.7.0/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo=
|
||||
github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
|
||||
github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
|
||||
github.com/spf13/viper v1.19.0 h1:RWq5SEjt8o25SROyN3z2OrDB9l7RPd3lwTWU8EcEdcI=
|
||||
github.com/spf13/viper v1.19.0/go.mod h1:GQUN9bilAbhU/jgc1bKs99f/suXKeUMct8Adx5+Ntkg=
|
||||
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
|
||||
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
|
||||
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
|
||||
github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
|
||||
github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
|
||||
github.com/subosito/gotenv v1.6.0 h1:9NlTDc1FTs4qu0DDq7AEtTPNw6SVm7uBMsUCUjABIf8=
|
||||
github.com/subosito/gotenv v1.6.0/go.mod h1:Dk4QP5c2W3ibzajGcXpNraDfq2IrhjMIvMSWPKKo0FU=
|
||||
go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
|
||||
go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
|
||||
golang.org/x/crypto v0.26.0 h1:RrRspgV4mU+YwB4FYnuBoKsUapNIL5cohGAmSH3azsw=
|
||||
golang.org/x/crypto v0.26.0/go.mod h1:GY7jblb9wI+FOo5y8/S2oY4zWP07AkOJ4+jxCqdqn54=
|
||||
golang.org/x/exp v0.0.0-20240823005443-9b4947da3948 h1:kx6Ds3MlpiUHKj7syVnbp57++8WpuKPcR5yjLBjvLEA=
|
||||
golang.org/x/exp v0.0.0-20240823005443-9b4947da3948/go.mod h1:akd2r19cwCdwSwWeIdzYQGa/EZZyqcOdwWiwj5L5eKQ=
|
||||
golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
|
||||
golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
|
||||
golang.org/x/sys v0.24.0 h1:Twjiwq9dn6R1fQcyiK+wQyHWfaz/BJB+YIpzU/Cv3Xg=
|
||||
golang.org/x/sys v0.24.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
|
||||
golang.org/x/text v0.17.0 h1:XtiM5bkSOt+ewxlOE/aE/AKEHibwj/6gvWMl9Rsh0Qc=
|
||||
golang.org/x/text v0.17.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
|
||||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
|
||||
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
|
||||
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
|
||||
gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
|
||||
gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
|
||||
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
|
||||
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
|
||||
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
|
||||
108
viperconfig/configuration_manager.go
Normal file
108
viperconfig/configuration_manager.go
Normal file
|
|
@ -0,0 +1,108 @@
|
|||
package configuration_manager
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"log/slog"
|
||||
"os"
|
||||
"strings"
|
||||
"sync"
|
||||
|
||||
"github.com/fsnotify/fsnotify"
|
||||
"github.com/spf13/pflag"
|
||||
"github.com/spf13/viper"
|
||||
)
|
||||
|
||||
// ConfigurationManager[T any] manages Viper for the specified configuration struct
|
||||
type ConfigurationManager[T any] struct {
|
||||
name string
|
||||
config T
|
||||
defaults []byte
|
||||
lock *sync.RWMutex
|
||||
vc *viper.Viper
|
||||
}
|
||||
|
||||
// New[T any] creates a new configuration manager for the specified configuration struct
|
||||
func New[T any](name string, defaults []byte) *ConfigurationManager[T] {
|
||||
// Initialize
|
||||
p := &ConfigurationManager[T]{
|
||||
name: name,
|
||||
defaults: defaults,
|
||||
lock: &sync.RWMutex{},
|
||||
vc: viper.New(),
|
||||
}
|
||||
|
||||
// Load defaults
|
||||
vd := viper.New()
|
||||
buf := bytes.NewBuffer(p.defaults)
|
||||
if err := vd.ReadConfig(buf); err != nil {
|
||||
slog.Error("Error loading default configuration", "error", err)
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
// Create Viper instance
|
||||
p.vc = viper.New()
|
||||
p.vc.AddConfigPath("/secrets")
|
||||
p.vc.AddConfigPath("/etc/joco")
|
||||
p.vc.AddConfigPath("/etc")
|
||||
p.vc.AddConfigPath(".")
|
||||
p.vc.SetConfigName(p.name)
|
||||
p.vc.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
|
||||
p.vc.SetEnvPrefix(p.name)
|
||||
p.vc.AutomaticEnv()
|
||||
p.vc.OnConfigChange(p.onConfigChange)
|
||||
|
||||
// Set defaults from embedded configuration file
|
||||
for k, v := range vd.AllSettings() {
|
||||
p.vc.SetDefault(k, v)
|
||||
}
|
||||
|
||||
// Load the configuration (ignore file not found)
|
||||
if err := p.load(); err != nil {
|
||||
slog.Error("Error loading configuration", "error", err)
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
p.vc.BindPFlags(pflag.CommandLine)
|
||||
|
||||
// Monitor changes to the configuration
|
||||
p.vc.WatchConfig()
|
||||
|
||||
return p
|
||||
}
|
||||
|
||||
func (p *ConfigurationManager[T]) Get() T {
|
||||
p.lock.RLock()
|
||||
defer p.lock.RUnlock()
|
||||
|
||||
return p.config
|
||||
}
|
||||
|
||||
func (p *ConfigurationManager[T]) load() error {
|
||||
if err := p.vc.ReadInConfig(); err != nil {
|
||||
if _, ok := err.(viper.ConfigFileNotFoundError); !ok {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
var cfg T
|
||||
if err := viper.Unmarshal(&cfg); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
p.lock.Lock()
|
||||
p.config = cfg
|
||||
p.lock.Unlock()
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (p *ConfigurationManager[T]) onConfigChange(in fsnotify.Event) {
|
||||
if err := p.load(); err != nil {
|
||||
slog.Error("Error re-loading configuration", "error", err)
|
||||
}
|
||||
}
|
||||
|
||||
// SaveToFile saves the embedded default configuration to the specified file
|
||||
func (p *ConfigurationManager[T]) SaveToFile(path string) error {
|
||||
return os.WriteFile(path, p.defaults, os.ModeExclusive)
|
||||
}
|
||||
26
viperconfig/context.go
Normal file
26
viperconfig/context.go
Normal file
|
|
@ -0,0 +1,26 @@
|
|||
package configuration_manager
|
||||
|
||||
import "context"
|
||||
|
||||
type contextKey struct{}
|
||||
|
||||
var (
|
||||
ConfigurationKey = contextKey{}
|
||||
)
|
||||
|
||||
// GetConfigFromContext[T any] returns the current configuration extracted from the passed context
|
||||
func GetConfigFromContext[T any](ctx context.Context) T {
|
||||
cm := GetConfigMgrFromContext[T](ctx)
|
||||
|
||||
return cm.Get()
|
||||
}
|
||||
|
||||
// GetConfigMgrFromContext[T any] returns the configuration manager stored in the passed context
|
||||
func GetConfigMgrFromContext[T any](ctx context.Context) ConfigurationManager[T] {
|
||||
return ctx.Value(ConfigurationKey).(ConfigurationManager[T])
|
||||
}
|
||||
|
||||
// SetConfigMgrOnContext[T any] stores the passed configuration manager on the passed context
|
||||
func SetConfigMgrOnContext[T any](ctx context.Context, value T) context.Context {
|
||||
return context.WithValue(ctx, ConfigurationKey, value)
|
||||
}
|
||||
Loading…
Reference in a new issue