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stats.go
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stats.go
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package main
import (
"database/sql"
"fmt"
"net/http"
"github.com/ovh/cds/engine/api/context"
"github.com/ovh/cds/engine/log"
"github.com/ovh/cds/sdk"
)
func getStats(w http.ResponseWriter, r *http.Request, db *sql.DB, c *context.Context) {
var st sdk.Stats
var err error
st.History, err = initHistory(db)
if err != nil {
log.Warning("getStats> cannot initialize history: %s\n", err)
WriteError(w, r, err)
return
}
for i := range st.History {
n, err := getNewUsers(db, i+1, i)
if err != nil {
log.Warning("getStats> cannot getNewUsers: %s\n", err)
WriteError(w, r, err)
return
}
st.History[i].NewUsers = n
// Number of users back then
n, err = getNewUsers(db, 540, i)
if err != nil {
log.Warning("getStats> cannot getPeriodTotalUsers: %s\n", err)
WriteError(w, r, err)
return
}
st.History[i].Users = n
n, err = getNewProjects(db, i+1, i)
if err != nil {
log.Warning("getStats> cannot getNewProjects: %s\n", err)
WriteError(w, r, err)
return
}
st.History[i].NewProjects = n
n, err = getNewProjects(db, 540, i)
if err != nil {
log.Warning("getStats> cannot getPeriodTotalUsers: %s\n", err)
WriteError(w, r, err)
return
}
st.History[i].Projects = n
n, err = getNewApplications(db, i+1, i)
if err != nil {
log.Warning("getStats> cannot getNewApplications: %s\n", err)
WriteError(w, r, err)
return
}
st.History[i].NewApplications = n
n, err = getNewApplications(db, 540, i)
if err != nil {
log.Warning("getStats> cannot getNewApplications: %s\n", err)
WriteError(w, r, err)
return
}
st.History[i].Applications = n
n, err = getNewPipelines(db, i+1, i)
if err != nil {
log.Warning("getStats> cannot getNewPipelines: %s\n", err)
WriteError(w, r, err)
return
}
st.History[i].NewPipelines = n
st.History[i].Pipelines.Build, st.History[i].Pipelines.Testing, st.History[i].Pipelines.Deploy, err = getPeriodTotalPipelinesByType(db, i)
if err != nil {
log.Warning("getStats> cannot getPeriodTotalPipelinesByType: %s\n", err)
WriteError(w, r, err)
return
}
}
WriteJSON(w, r, st, http.StatusOK)
}
func getNewPipelines(db *sql.DB, fromWeek, toWeek int) (int64, error) {
query := `SELECT COUNT(id) FROM "pipeline" WHERE created > NOW() - INTERVAL '%d weeks' AND created < NOW() - INTERVAL '%d weeks'`
var n int64
err := db.QueryRow(fmt.Sprintf(query, fromWeek, toWeek)).Scan(&n)
if err != nil {
return 0, err
}
return n, nil
}
func getNewApplications(db *sql.DB, fromWeek, toWeek int) (int64, error) {
query := `SELECT COUNT(id) FROM "application" WHERE created > NOW() - INTERVAL '%d weeks' AND created < NOW() - INTERVAL '%d weeks'`
var n int64
err := db.QueryRow(fmt.Sprintf(query, fromWeek, toWeek)).Scan(&n)
if err != nil {
return 0, err
}
return n, nil
}
func getNewProjects(db *sql.DB, fromWeek, toWeek int) (int64, error) {
query := `SELECT COUNT(id) FROM "project" WHERE created > NOW() - INTERVAL '%d weeks' AND created < NOW() - INTERVAL '%d weeks'`
var n int64
err := db.QueryRow(fmt.Sprintf(query, fromWeek, toWeek)).Scan(&n)
if err != nil {
return 0, err
}
return n, nil
}
func getNewUsers(db *sql.DB, fromWeek, toWeek int) (int64, error) {
query := `SELECT COUNT(username) FROM "user" WHERE created > NOW() - INTERVAL '%d weeks' AND created < NOW() - INTERVAL '%d weeks'`
var n int64
err := db.QueryRow(fmt.Sprintf(query, fromWeek, toWeek)).Scan(&n)
if err != nil {
return 0, err
}
return n, nil
}
func getPeriodTotalPipelinesByType(db *sql.DB, toWeek int) (build, test, deploy int64, err error) {
query := `SELECT COUNT(id) FROM pipeline WHERE created < NOW() - INTERVAL '%d weeks' AND type = $1`
err = db.QueryRow(fmt.Sprintf(query, toWeek), string(sdk.BuildPipeline)).Scan(&build)
if err != nil {
return
}
err = db.QueryRow(fmt.Sprintf(query, toWeek), string(sdk.TestingPipeline)).Scan(&test)
if err != nil {
return
}
err = db.QueryRow(fmt.Sprintf(query, toWeek), string(sdk.DeploymentPipeline)).Scan(&deploy)
if err != nil {
return
}
return
}
func initHistory(db *sql.DB) ([]sdk.Week, error) {
var sts []sdk.Week
var st sdk.Week
query := `
SELECT MIN(day), MAX(day), SUM(build) as b, SUM(unit_test) as ut, SUM(testing) as testing, SUM(deployment) as deployment, MAX(max_building_worker) as workers, MAX(max_building_pipeline) as building_pi
FROM stats
WHERE day > NOW() - INTERVAL '%d weeks' AND day < NOW() - INTERVAL '%d weeks'
`
err := db.QueryRow(fmt.Sprintf(query, 1, 0)).Scan(&st.From, &st.To, &st.RunnedPipelines.Build, &st.UnitTests, &st.RunnedPipelines.Testing, &st.RunnedPipelines.Deploy, &st.MaxBuildingWorkers, &st.MaxBuildingPipelines)
if err != nil {
return nil, err
}
st.Builds = st.RunnedPipelines.Build + st.RunnedPipelines.Testing + st.RunnedPipelines.Deploy
sts = append(sts, st)
err = db.QueryRow(fmt.Sprintf(query, 2, 1)).Scan(&st.From, &st.To, &st.RunnedPipelines.Build, &st.UnitTests, &st.RunnedPipelines.Testing, &st.RunnedPipelines.Deploy, &st.MaxBuildingWorkers, &st.MaxBuildingPipelines)
if err != nil {
return nil, err
}
st.Builds = st.RunnedPipelines.Build + st.RunnedPipelines.Testing + st.RunnedPipelines.Deploy
sts = append(sts, st)
return sts, nil
}