From 49014c951f7bd9c71c7be03dda2c541cc65ca87e Mon Sep 17 00:00:00 2001 From: Patrick Balsiger Date: Tue, 13 May 2025 21:59:44 +0200 Subject: [PATCH] feat: introduce cluster agent --- Makefile | 7 +- README.md | 46 +++++++++- api/rcond.yaml | 66 ++++++++++++++- cmd/rcond/main.go | 46 ++++++++-- config/rcond-agent.yaml | 15 ++++ config/rcond.yaml | 21 +++++ go.mod | 16 ++++ go.sum | 181 +++++++++++++++++++++++++++++++++++++++- pkg/cluster/agent.go | 55 ++++++++++++ pkg/config/config.go | 14 +++- pkg/http/handlers.go | 22 +++++ pkg/http/server.go | 14 +++- 12 files changed, 485 insertions(+), 18 deletions(-) create mode 100644 config/rcond-agent.yaml create mode 100644 pkg/cluster/agent.go diff --git a/Makefile b/Makefile index bcaf52c..5b19639 100644 --- a/Makefile +++ b/Makefile @@ -37,9 +37,10 @@ run: build bin/rcond-${ARCH} -config config/rcond.yaml dev: - RCOND_ADDR=127.0.0.1:8080 \ - RCOND_API_TOKEN=1234567890 \ - go run cmd/rcond/main.go + go run cmd/rcond/main.go -config config/rcond.yaml + +dev-agent: + go run cmd/rcond/main.go -config config/rcond-agent.yaml upload: scp bin/rcond-${ARCH} pi@192.168.1.43:/home/pi/rcond diff --git a/README.md b/README.md index 42400dc..52babd5 100644 --- a/README.md +++ b/README.md @@ -7,6 +7,7 @@ A simple daemon and REST API designed to simplify the management of various syst - System hostname: Dynamically update the system's hostname - Authorized SSH keys: Directly managing the user's authorized_keys file to securely add, remove, or modify authorized SSH keys - System state: Restart and shutdown the system +- Cluster: Join and manage a cluster of rcond nodes ## Requirements @@ -43,14 +44,22 @@ The dev target will run the main.go directly with environment variable configura make dev ``` -## Configuration +You can also run a cluster agent in dev mode: -### File +```sh +make dev-agent +``` + +## Configuration The default config file location is `/etc/rcond/config.yaml`. It can be overwritten by environment variables and flags. An full example configuration with comments can be found in `config/rcond.yaml` +### API Server + +The API server is the main component of the rcond daemon. It is responsible for managing the host and providing a REST API for managing the system. + Example configuration: ```yaml rcond: @@ -58,6 +67,38 @@ rcond: api_token: 1234567890 ``` +### Cluster + +The cluster agent is a component of rcond that is responsible for joining and managing a cluster of rcond nodes. +This functionality can be used to manage and configure multiple hosts through a single API server. +In the background, the cluster agent will use [Serf](https://github.com/hashicorp/serf) to form a cluster, handle node discovery and gossip. + +Forming a cluster is optional and can be enabled by configuring the cluster section in the config file. + +Example configuration: +```yaml +cluster: + # Enable the cluster agent + enabled: true + # Name of the node in the cluster + node_name: rcond + # Secret key for the cluster agent used for message encryption. + # Must be 32 bytes long and base64 encoded. + # Generate with: base64 /dev/urandom | tr -d '\n' | head -c 32 + secret_key: DMXnaJUUbIBMj1Df0dPsQY+Sks1VxWTa + # Advertise address for the cluster agent + advertise_addr: 0.0.0.0 + # Advertise port for the cluster agent + advertise_port: 7946 + # Bind address for the cluster agent + bind_addr: 0.0.0.0 + # Bind port for the cluster agent + bind_port: 7946 + # Join addresses for the cluster agent + join: + - 127.0.0.1:7947 +``` + ### Environment Variables | Environment Variable | Description | Default | @@ -88,6 +129,7 @@ All endpoints except `/health` require authentication via an API token passed in | DELETE | `/users/{user}/keys/{fingerprint}` | Remove an authorized SSH key | | POST | `/system/restart` | Restart the system | | POST | `/system/shutdown` | Shutdown the system | +| GET | `/cluster/members` | Get the cluster members | ### Response Codes diff --git a/api/rcond.yaml b/api/rcond.yaml index 434af38..8e973dc 100644 --- a/api/rcond.yaml +++ b/api/rcond.yaml @@ -536,4 +536,68 @@ paths: application/json: schema: $ref: '#/components/schemas/Error' - \ No newline at end of file + + /cluster/members: + get: + summary: Get cluster members + description: Returns the list of nodes in the cluster + responses: + '200': + description: Cluster members retrieved successfully + content: + application/json: + schema: + type: array + items: + type: object + properties: + Name: + type: string + description: Node name + example: "rcond-agent" + Addr: + type: string + description: Node address + example: "192.168.1.100" + Port: + type: integer + description: Node port + example: 8080 + Tags: + type: object + description: Node tags + example: {"role": "web", "env": "prod"} + Status: + type: integer + description: Node status + example: 1 + ProtocolMin: + type: integer + description: Minimum protocol version + example: 1 + ProtocolMax: + type: integer + description: Maximum protocol version + example: 1 + ProtocolCur: + type: integer + description: Current protocol version + example: 1 + DelegateMin: + type: integer + description: Minimum delegate version + example: 1 + DelegateMax: + type: integer + description: Maximum delegate version + example: 1 + DelegateCur: + type: integer + description: Current delegate version + example: 1 + '500': + description: Internal server error + content: + application/json: + schema: + $ref: '#/components/schemas/Error' diff --git a/cmd/rcond/main.go b/cmd/rcond/main.go index 5b073f7..e375801 100644 --- a/cmd/rcond/main.go +++ b/cmd/rcond/main.go @@ -8,6 +8,7 @@ import ( "log" "os" + "github.com/0x1d/rcond/pkg/cluster" "github.com/0x1d/rcond/pkg/config" http "github.com/0x1d/rcond/pkg/http" ) @@ -25,15 +26,11 @@ func main() { os.Exit(1) } - srv := http.NewServer(appConfig) - srv.RegisterRoutes() + clusterAgent := startClusterAgent(appConfig) + startApiServer(appConfig, clusterAgent) - log.Printf("Starting server on %s", appConfig.Rcond.Addr) - if err := srv.Start(); err != nil { - log.Fatal(err) - } + select {} } - func loadConfig() (*config.Config, error) { configPath := "/etc/rcond/config.yaml" appConfig := &config.Config{} @@ -81,6 +78,41 @@ func loadConfig() (*config.Config, error) { return appConfig, nil } +func startApiServer(appConfig *config.Config, clusterAgent *cluster.Agent) *http.Server { + srv := http.NewServer(appConfig) + srv.WithClusterAgent(clusterAgent) + srv.RegisterRoutes() + + log.Printf("Starting API server on %s", appConfig.Rcond.Addr) + if err := srv.Start(); err != nil { + log.Fatal(err) + } + return srv +} + +func startClusterAgent(appConfig *config.Config) *cluster.Agent { + clusterConfig := &appConfig.Cluster + if clusterConfig.Enabled { + log.Printf("Starting cluster agent on %s:%d", clusterConfig.BindAddr, clusterConfig.BindPort) + clusterAgent, err := cluster.NewAgent(clusterConfig) + if err != nil { + log.Fatal(err) + } + // join nodes in the cluster if the join addresses are provided + if len(clusterConfig.Join) > 0 { + clusterAgent.Join(clusterConfig.Join, true) + } + // get members in the cluster + members, err := clusterAgent.Members() + if err != nil { + log.Fatal(err) + } + log.Printf("Members: %v", members) + return clusterAgent + } + return nil +} + func overrideConfigValuesFromEnv(envMap map[string]*string) { for varName, configValue := range envMap { if envValue, ok := os.LookupEnv(varName); ok { diff --git a/config/rcond-agent.yaml b/config/rcond-agent.yaml new file mode 100644 index 0000000..67147a3 --- /dev/null +++ b/config/rcond-agent.yaml @@ -0,0 +1,15 @@ +# This is an example configuration file for running a cluster agent. +rcond: + addr: 0.0.0.0:8081 + api_token: 1234567890 + +cluster: + enabled: true + node_name: rcond-agent + secret_key: DMXnaJUUbIBMj1Df0dPsQY+Sks1VxWTa + advertise_addr: 0.0.0.0 + advertise_port: 7947 + bind_addr: 0.0.0.0 + bind_port: 7947 + join: + - 127.0.0.1:7946 \ No newline at end of file diff --git a/config/rcond.yaml b/config/rcond.yaml index 1043e09..5dfd0f0 100644 --- a/config/rcond.yaml +++ b/config/rcond.yaml @@ -3,3 +3,24 @@ rcond: addr: 0.0.0.0:8080 # API token to use for authentication api_token: 1234567890 + +cluster: + # Enable the cluster agent + enabled: true + # Name of the node in the cluster + node_name: rcond + # Secret key for the cluster agent used for message encryption. + # Must be 32 bytes long and base64 encoded. + # Generate with: base64 /dev/urandom | tr -d '\n' | head -c 32 + secret_key: DMXnaJUUbIBMj1Df0dPsQY+Sks1VxWTa + # Advertise address for the cluster agent + advertise_addr: 0.0.0.0 + # Advertise port for the cluster agent + advertise_port: 7946 + # Bind address for the cluster agent + bind_addr: 0.0.0.0 + # Bind port for the cluster agent + bind_port: 7946 + # Join addresses for the cluster agent + #join: + # - 127.0.0.1:7947 \ No newline at end of file diff --git a/go.mod b/go.mod index 87bed45..df238ef 100644 --- a/go.mod +++ b/go.mod @@ -10,13 +10,29 @@ require ( github.com/godbus/dbus/v5 v5.1.0 github.com/google/uuid v1.6.0 github.com/gorilla/mux v1.8.1 + github.com/hashicorp/serf v0.10.2 github.com/stretchr/testify v1.10.0 golang.org/x/crypto v0.37.0 gopkg.in/yaml.v3 v3.0.1 ) require ( + github.com/armon/go-metrics v0.4.1 // indirect github.com/davecgh/go-spew v1.1.1 // indirect + github.com/google/btree v1.1.2 // indirect + github.com/hashicorp/errwrap v1.1.0 // indirect + github.com/hashicorp/go-immutable-radix v1.3.1 // indirect + github.com/hashicorp/go-metrics v0.5.4 // indirect + github.com/hashicorp/go-msgpack/v2 v2.1.2 // indirect + github.com/hashicorp/go-multierror v1.1.1 // indirect + github.com/hashicorp/go-sockaddr v1.0.5 // indirect + github.com/hashicorp/golang-lru v1.0.2 // indirect + github.com/hashicorp/memberlist v0.5.2 // indirect + github.com/miekg/dns v1.1.56 // indirect github.com/pmezard/go-difflib v1.0.0 // indirect + github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529 // indirect + golang.org/x/mod v0.13.0 // indirect + golang.org/x/net v0.21.0 // indirect golang.org/x/sys v0.32.0 // indirect + golang.org/x/tools v0.14.0 // indirect ) diff --git a/go.sum b/go.sum index 94fc53b..1c88615 100644 --- a/go.sum +++ b/go.sum @@ -1,22 +1,201 @@ +cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +github.com/DataDog/datadog-go v3.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ= +github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= +github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= +github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0= +github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0= +github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho= +github.com/armon/go-metrics v0.4.1 h1:hR91U9KYmb6bLBYLQjyM+3j+rcd/UhE+G78SFnF8gJA= +github.com/armon/go-metrics v0.4.1/go.mod h1:E6amYzXo6aW1tqzoZGT755KkbgrJsSdpwZ+3JqfkOG4= +github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q= +github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8= +github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw= +github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= +github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible/go.mod h1:nmEj6Dob7S7YxXgwXpfOuvO54S+tGdZdw9fuRZt25Ag= +github.com/circonus-labs/circonusllhist v0.1.3/go.mod h1:kMXHVDlOchFAehlya5ePtbp5jckzBHf4XRpQvBOLI+I= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as= +github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as= +github.com/go-kit/log v0.1.0/go.mod h1:zbhenjAZHb184qTLMA9ZjW7ThYL0H2mk7Q6pNt4vbaY= +github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE= +github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk= +github.com/go-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG1KdI/P7A= +github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY= github.com/godbus/dbus/v5 v5.1.0 h1:4KLkAxT3aOY8Li4FRJe/KvhoNFFxo0m6fNuFUO8QJUk= github.com/godbus/dbus/v5 v5.1.0/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA= +github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ= +github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8= +github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA= +github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs= +github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w= +github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0= +github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI= +github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI= +github.com/google/btree v1.1.2 h1:xf4v41cLI2Z6FxbKm+8Bu+m8ifhj15JuZ9sa0jZCMUU= +github.com/google/btree v1.1.2/go.mod h1:qOPhT0dTNdNzV6Z/lhRX0YXUafgPLFUh+gZMl761Gm4= +github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= +github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= +github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= +github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0= github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= github.com/gorilla/mux v1.8.1 h1:TuBL49tXwgrFYWhqrNgrUNEY92u81SPhu7sTdzQEiWY= github.com/gorilla/mux v1.8.1/go.mod h1:AKf9I4AEqPTmMytcMc0KkNouC66V3BtZ4qD5fmWSiMQ= +github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4= +github.com/hashicorp/errwrap v1.1.0 h1:OxrOeh75EUXMY8TBjag2fzXGZ40LB6IKw45YeGUDY2I= +github.com/hashicorp/errwrap v1.1.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4= +github.com/hashicorp/go-cleanhttp v0.5.0/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80= +github.com/hashicorp/go-immutable-radix v1.0.0/go.mod h1:0y9vanUI8NX6FsYoO3zeMjhV/C5i9g4Q3DwcSNZ4P60= +github.com/hashicorp/go-immutable-radix v1.3.1 h1:DKHmCUm2hRBK510BaiZlwvpD40f8bJFeZnpfm2KLowc= +github.com/hashicorp/go-immutable-radix v1.3.1/go.mod h1:0y9vanUI8NX6FsYoO3zeMjhV/C5i9g4Q3DwcSNZ4P60= +github.com/hashicorp/go-metrics v0.5.4 h1:8mmPiIJkTPPEbAiV97IxdAGNdRdaWwVap1BU6elejKY= +github.com/hashicorp/go-metrics v0.5.4/go.mod h1:CG5yz4NZ/AI/aQt9Ucm/vdBnbh7fvmv4lxZ350i+QQI= +github.com/hashicorp/go-msgpack/v2 v2.1.2 h1:4Ee8FTp834e+ewB71RDrQ0VKpyFdrKOjvYtnQ/ltVj0= +github.com/hashicorp/go-msgpack/v2 v2.1.2/go.mod h1:upybraOAblm4S7rx0+jeNy+CWWhzywQsSRV5033mMu4= +github.com/hashicorp/go-multierror v1.1.1 h1:H5DkEtf6CXdFp0N0Em5UCwQpXMWke8IA0+lD48awMYo= +github.com/hashicorp/go-multierror v1.1.1/go.mod h1:iw975J/qwKPdAO1clOe2L8331t/9/fmwbPZ6JB6eMoM= +github.com/hashicorp/go-retryablehttp v0.5.3/go.mod h1:9B5zBasrRhHXnJnui7y6sL7es7NDiJgTc6Er0maI1Xs= +github.com/hashicorp/go-sockaddr v1.0.5 h1:dvk7TIXCZpmfOlM+9mlcrWmWjw/wlKT+VDq2wMvfPJU= +github.com/hashicorp/go-sockaddr v1.0.5/go.mod h1:uoUUmtwU7n9Dv3O4SNLeFvg0SxQ3lyjsj6+CCykpaxI= +github.com/hashicorp/go-uuid v1.0.0/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro= +github.com/hashicorp/go-uuid v1.0.1 h1:fv1ep09latC32wFoVwnqcnKJGnMSdBanPczbHAYm1BE= +github.com/hashicorp/go-uuid v1.0.1/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro= +github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8= +github.com/hashicorp/golang-lru v1.0.2 h1:dV3g9Z/unq5DpblPpw+Oqcv4dU/1omnb4Ok8iPY6p1c= +github.com/hashicorp/golang-lru v1.0.2/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4= +github.com/hashicorp/memberlist v0.5.2 h1:rJoNPWZ0juJBgqn48gjy59K5H4rNgvUoM1kUD7bXiuI= +github.com/hashicorp/memberlist v0.5.2/go.mod h1:Ri9p/tRShbjYnpNf4FFPXG7wxEGY4Nrcn6E7jrVa//4= +github.com/hashicorp/serf v0.10.2 h1:m5IORhuNSjaxeljg5DeQVDlQyVkhRIjJDimbkCa8aAc= +github.com/hashicorp/serf v0.10.2/go.mod h1:T1CmSGfSeGfnfNy/w0odXQUR1rfECGd2Qdsp84DjOiY= +github.com/jpillora/backoff v1.0.0/go.mod h1:J/6gKK9jxlEcS3zixgDgUAsiuZ7yrSoa/FX5e0EB2j4= +github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU= +github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4= +github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4= +github.com/json-iterator/go v1.1.11/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4= +github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w= +github.com/julienschmidt/httprouter v1.3.0/go.mod h1:JR6WtHb+2LUe8TCKY3cZOxFyyO8IZAc4RVcycCCAKdM= +github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ= +github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ= +github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc= +github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI= +github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo= +github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= +github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE= +github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= +github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0= +github.com/miekg/dns v1.1.56 h1:5imZaSeoRNvpM9SzWNhEcP9QliKiz20/dA2QabIGVnE= +github.com/miekg/dns v1.1.56/go.mod h1:cRm6Oo2C8TY9ZS/TqsSrseAcncm74lfK5G+ikN2SWWY= +github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= +github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= +github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0= +github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0= +github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U= +github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U= +github.com/pascaldekloe/goe v0.1.0 h1:cBOtyMzM9HTpWjXfbbunk26uA6nG3a8n06Wieeh0MwY= +github.com/pascaldekloe/goe v0.1.0/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc= +github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= +github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= +github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= +github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw= +github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5FsnadC4Ky3P0J6CfImo= +github.com/prometheus/client_golang v1.4.0/go.mod h1:e9GMxYsXl05ICDXkRhurwBS4Q3OK1iX/F2sw+iXX5zU= +github.com/prometheus/client_golang v1.7.1/go.mod h1:PY5Wy2awLA44sXw4AOSfFBetzPP4j5+D6mVACh+pe2M= +github.com/prometheus/client_golang v1.11.1/go.mod h1:Z6t4BnS23TR94PD6BsDNk8yVqroYurpAkEiz0P2BEV0= +github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo= +github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= +github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= +github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4= +github.com/prometheus/common v0.9.1/go.mod h1:yhUN8i9wzaXS3w1O07YhxHEBxD+W35wd8bs7vj7HSQ4= +github.com/prometheus/common v0.10.0/go.mod h1:Tlit/dnDKsSWFlCLTWaA1cyBgKHSMdTB80sz/V91rCo= +github.com/prometheus/common v0.26.0/go.mod h1:M7rCNAaPfAosfx8veZJCuw84e35h3Cfd9VFqTh1DIvc= +github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk= +github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA= +github.com/prometheus/procfs v0.0.8/go.mod h1:7Qr8sr6344vo1JqZ6HhLceV9o3AJ1Ff+GxbHq6oeK9A= +github.com/prometheus/procfs v0.1.3/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4OA4YeYWdaU= +github.com/prometheus/procfs v0.6.0/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1xBZuNvfVA= +github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529 h1:nn5Wsu0esKSJiIVhscUtVbo7ada43DJhG55ua/hjS5I= +github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc= +github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo= +github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE= +github.com/sirupsen/logrus v1.6.0/go.mod h1:7uNnSEd1DgxDLC74fIahvMZmmYsHGZGEOFrfsX/uA88= +github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs= +github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= +github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4= github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA= github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY= +github.com/tv42/httpunix v0.0.0-20150427012821-b75d8614f926/go.mod h1:9ESjWnEqriFuLhtthL60Sar/7RFoluCcXsuvEwTV5KM= +golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= +golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= +golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= golang.org/x/crypto v0.37.0 h1:kJNSjF/Xp7kU0iB2Z+9viTPMW4EqqsrywMXLJOOsXSE= golang.org/x/crypto v0.37.0/go.mod h1:vg+k43peMZ0pUMhYmVAWysMK35e6ioLh3wB8ZCAfbVc= +golang.org/x/mod v0.13.0 h1:I/DsJXRlw/8l/0c24sM9yb0T4z9liZTduXvdAWYiysY= +golang.org/x/mod v0.13.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c= +golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= +golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= +golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= +golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= +golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= +golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA= +golang.org/x/net v0.21.0 h1:AQyQV4dYCvJ7vGmJyKki9+PBdyvhkSd8EIx/qb0AYv4= +golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44= +golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw= +golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.4.0 h1:zxkM55ReGkDlKSM+Fu41A+zmbZuaPVbGMzvvdUPznYQ= +golang.org/x/sync v0.4.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y= +golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.32.0 h1:s77OFDvIQeibCmezSnk/q6iAfkdiQaJi4VzroCFrN20= golang.org/x/sys v0.32.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k= golang.org/x/term v0.31.0 h1:erwDkOK1Msy6offm1mOgvspSkslFnIGsFnxOKoufg3o= golang.org/x/term v0.31.0/go.mod h1:R4BeIy7D95HzImkxGkTW1UQTtP54tio2RyHz7PwK0aw= -gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= +golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= +golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk= +golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= +golang.org/x/tools v0.14.0 h1:jvNa2pY0M4r62jkRQ6RwEZZyPcymeL9XZMLBbV7U2nc= +golang.org/x/tools v0.14.0/go.mod h1:uYBEerGOWcJyEORxN+Ek8+TT266gXkNlHdJBwexUsBg= +golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4= +google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8= +google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0= +google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM= +google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE= +google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo= +google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU= +google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw= +gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/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/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/pkg/cluster/agent.go b/pkg/cluster/agent.go new file mode 100644 index 0000000..8a7b4fd --- /dev/null +++ b/pkg/cluster/agent.go @@ -0,0 +1,55 @@ +package cluster + +import ( + "log" + + "github.com/0x1d/rcond/pkg/config" + "github.com/hashicorp/serf/serf" +) + +type Agent struct { + Serf *serf.Serf +} + +func NewAgent(clusterConfig *config.ClusterConfig) (*Agent, error) { + config := serf.DefaultConfig() + config.NodeName = clusterConfig.NodeName + config.ProtocolVersion = serf.ProtocolVersionMax + config.MemberlistConfig.SecretKey = []byte(clusterConfig.SecretKey) + config.MemberlistConfig.AdvertiseAddr = clusterConfig.AdvertiseAddr + config.MemberlistConfig.AdvertisePort = clusterConfig.AdvertisePort + config.MemberlistConfig.BindAddr = clusterConfig.BindAddr + config.MemberlistConfig.BindPort = clusterConfig.BindPort + + serf, err := serf.Create(config) + if err != nil { + return nil, err + } + + return &Agent{Serf: serf}, nil +} + +func (a *Agent) Members() ([]serf.Member, error) { + log.Printf("Getting members of the cluster") + return a.Serf.Members(), nil +} + +func (a *Agent) Join(addrs []string, ignoreOld bool) (int, error) { + log.Printf("Joining nodes in the cluster: %v", addrs) + n, err := a.Serf.Join(addrs, ignoreOld) + if err != nil { + log.Printf("Failed to join nodes in the cluster: %v", err) + return 0, err + } + log.Printf("Joined %d nodes in the cluster", n) + return n, nil +} + +func (a *Agent) Leave() error { + return a.Serf.Leave() +} + +func (a *Agent) Shutdown() error { + log.Printf("Shutting down cluster agent") + return a.Serf.Shutdown() +} diff --git a/pkg/config/config.go b/pkg/config/config.go index f699b89..437dd4c 100644 --- a/pkg/config/config.go +++ b/pkg/config/config.go @@ -7,7 +7,8 @@ import ( ) type Config struct { - Rcond RcondConfig `yaml:"rcond"` + Rcond RcondConfig `yaml:"rcond"` + Cluster ClusterConfig `yaml:"cluster"` } type RcondConfig struct { @@ -15,6 +16,17 @@ type RcondConfig struct { ApiToken string `yaml:"api_token"` } +type ClusterConfig struct { + Enabled bool `yaml:"enabled"` + NodeName string `yaml:"node_name"` + SecretKey string `yaml:"secret_key"` + Join []string `yaml:"join"` + AdvertiseAddr string `yaml:"advertise_addr"` + AdvertisePort int `yaml:"advertise_port"` + BindAddr string `yaml:"bind_addr"` + BindPort int `yaml:"bind_port"` +} + func LoadConfig(path string) (*Config, error) { yamlFile, err := os.ReadFile(path) if err != nil { diff --git a/pkg/http/handlers.go b/pkg/http/handlers.go index 425ba6c..0dcb54a 100644 --- a/pkg/http/handlers.go +++ b/pkg/http/handlers.go @@ -6,6 +6,7 @@ import ( "log" "net/http" + "github.com/0x1d/rcond/pkg/cluster" network "github.com/0x1d/rcond/pkg/network" "github.com/0x1d/rcond/pkg/system" "github.com/0x1d/rcond/pkg/user" @@ -287,3 +288,24 @@ func HandleShutdown(w http.ResponseWriter, r *http.Request) { w.Header().Set("Content-Type", "application/json") json.NewEncoder(w).Encode(map[string]string{"status": "success"}) } + +func ClusterAgentWrapper(agent *cluster.Agent) func(http.ResponseWriter, *http.Request) { + return func(w http.ResponseWriter, r *http.Request) { + HandleClusterMembers(w, r, agent) + } +} + +func HandleClusterMembers(w http.ResponseWriter, r *http.Request, agent *cluster.Agent) { + if agent == nil { + writeError(w, "cluster agent is not initialized", http.StatusInternalServerError) + return + } + members, err := agent.Members() + if err != nil { + writeError(w, err.Error(), http.StatusInternalServerError) + return + } + + w.Header().Set("Content-Type", "application/json") + json.NewEncoder(w).Encode(members) +} diff --git a/pkg/http/server.go b/pkg/http/server.go index 6d8a676..e0063d8 100644 --- a/pkg/http/server.go +++ b/pkg/http/server.go @@ -6,14 +6,16 @@ import ( "net/http" "time" + "github.com/0x1d/rcond/pkg/cluster" "github.com/0x1d/rcond/pkg/config" "github.com/gorilla/mux" ) type Server struct { - router *mux.Router - srv *http.Server - apiToken string + router *mux.Router + srv *http.Server + apiToken string + clusterAgent *cluster.Agent } func NewServer(cfg *config.Config) *Server { @@ -37,6 +39,11 @@ func NewServer(cfg *config.Config) *Server { } } +func (s *Server) WithClusterAgent(agent *cluster.Agent) *Server { + s.clusterAgent = agent + return s +} + func (s *Server) Start() error { return s.srv.ListenAndServe() } @@ -69,6 +76,7 @@ func (s *Server) RegisterRoutes() { s.router.HandleFunc("/users/{user}/keys/{fingerprint}", s.verifyToken(HandleRemoveAuthorizedKey)).Methods(http.MethodDelete) s.router.HandleFunc("/system/restart", s.verifyToken(HandleReboot)).Methods(http.MethodPost) s.router.HandleFunc("/system/shutdown", s.verifyToken(HandleShutdown)).Methods(http.MethodPost) + s.router.HandleFunc("/cluster/members", s.verifyToken(ClusterAgentWrapper(s.clusterAgent))).Methods(http.MethodGet) } func (s *Server) healthHandler(w http.ResponseWriter, r *http.Request) {