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app.R
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app.R
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if (!requireNamespace("shiny", quietly = TRUE)) {
message("Installing shiny for configinator...")
install.packages("shiny")
}
if (!requireNamespace("gert", quietly = TRUE)) {
message("Installing gert for configinator...")
install.packages("gert")
}
library(shiny)
ui <- fluidPage(
h1("🐤 Configinator"),
uiOutput("hostname"),
fluidRow(
column(
6,
h2("Git"),
uiOutput("missing_git"),
textInput("git_user_name", "Full Name"),
textInput("git_user_email", "Email"),
actionButton("set_git_config", "Set config"),
h4("Current git config"),
tableOutput("git_name")
),
column(
6,
h2("SSH"),
p(
"If you don't know how to obtain an SSH key, see ",
a(
style = "font-weight: bold;",
"Obtaining an SSH key",
href = "https://a2-ai.atlassian.net/l/cp/kz10w0fn",
target = "_blank"
),
" on Confluence."
),
h4("Add an SSH key"),
textInput(
"ssh_key",
label = NULL,
width = "auto",
placeholder = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDREhaDeDd4NeG/ClfkByKHUbPgQwuIac5XYwE+R3MDU example-device"
),
actionButton("add_ssh_key", "Add key"),
uiOutput("ssh_result"),
h4("Authorized SSH keys"),
tableOutput("authorized_ssh_keys")
)
)
)
is_defined_value <- function(.x) {
if (is.null(.x) || .x == "") {
return(FALSE)
}
return(TRUE)
}
server <- function(input, output) {
config_changed <- eventReactive(input$set_git_config,
{
values_set <- c()
if (is_defined_value(input$git_user_email)) {
gert::git_config_global_set("user.email", input$git_user_email)
values_set <- c(values_set, "user.email")
}
if (is_defined_value(input$git_user_name)) {
gert::git_config_global_set("user.name", input$git_user_name)
values_set <- c(values_set, "user.name")
}
if (!length(values_set)) {
return(NULL)
}
return(values_set)
},
ignoreNULL = FALSE
)
git_config_vals <- reactive({
# reactive as want to run this at beginning so can't be eventreactive
config_changed()
gert::git_config_global()
})
git_config_suggestions <- reactive({
current_config <- git_config_vals()
missings <- c()
if (!("user.email" %in% current_config$name)) {
missings <- c(missings, "user.email")
}
if (!("user.name" %in% current_config$name)) {
missings <- c(missings, "user.name")
}
if (!length(missings)) {
return(NULL)
}
return(missings)
})
output$missing_git <- renderUI({
req(git_config_suggestions())
wellPanel(
h3("please set the following config item(s):"),
h3(tags$span(style = "color:red", paste(git_config_suggestions(), collapse = ", ")))
)
})
output$git_name <- renderTable({
git_config_vals()
})
append_ssh_key <- reactive({
req(input$add_ssh_key)
# Append key to authorized keys
system2("echo", paste0("\"", input$ssh_key, "\" >> ~/.ssh/authorized_keys"))
})
output$ssh_result <- renderUI({
result <- append_ssh_key()
req(result)
if (result != 0) {
p(
style = "color:red",
"Error adding SSH key"
)
} else {
p(
style = "color:green",
"SSH key added successfully!"
)
}
})
output$authorized_ssh_keys <- renderTable({
system2("cat", "~/.ssh/authorized_keys", stdout = TRUE)
})
output$hostname <- renderUI(
p("running at ", system2("hostname", stdout = TRUE), "(make sure this isn't running on your laptop!)")
)
observeEvent(input$done, {
stopApp()
})
}
# Run the application
app <- shinyApp(ui, server)
runApp(app)