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Using workspaces

To store the assigned data in the Armadillo service, you can use workspaces to make sure a certain state of the data is maintained on the service.

Saving the workspaces can be done during datashield.logout or at runtime. Please be aware that if your workspace is too big to store on the server, it won’t save and you’ll get an error message. If this happens, please try cleaning up the workspace as much as possible and try again. If it still doesn’t work, please contact the administrator of the server, to ask if the diskspace can be increased.

library(dsBaseClient)
library(DSMolgenisArmadillo)

# specify server url
armadillo_url <- "https://armadillo-demo.molgenis.net/"

# get token from central authentication server
token <- armadillo.get_token(armadillo_url)

## [1] "We're opening a browser so you can log in with code 6SFLND"

# build the login dataframe
builder <- DSI::newDSLoginBuilder()
builder$append(server = "armadillo",
               url = armadillo_url,
               token = token,
               table = "gecko/2_1-core-1_0/nonrep",
               driver = "ArmadilloDriver")

# create loginframe
logindata <- builder$build()

conns <- DSI::datashield.login(login = logindata)

## 
## Logging into the collaborating servers

## 
   [-------------------------------------------------------------------------------------]   0% / 0s
  Login armadillo [==================================>-----------------------------------]  50% / 0s
  Logged in all servers [================================================================] 100% / 4s

datashield.assign.table(conns = conns,
                        table = "gecko/2_1-core-1_0/nonrep",
                        symbol = "J",
                        variables = c("recruit_age", "child_id"))

## 
   [-------------------------------------------------------------------------------------]   0% / 0s
  Checking armadillo (J <- `gecko/2_1-core-1_0/nonrep`) [--------------------------------]   0% / 0s
  Waiting...  (J <- ...) [---------------------------------------------------------------]   0% / 0s
  Checking armadillo (J <- `gecko/2_1-core-1_0/nonrep`) [--------------------------------]   0% / 0s
  Waiting...  (J <- ...) [---------------------------------------------------------------]   0% / 0s
  Checking armadillo (J <- `gecko/2_1-core-1_0/nonrep`) [--------------------------------]   0% / 0s
  Waiting...  (J <- ...) [---------------------------------------------------------------]   0% / 0s
  Checking armadillo (J <- `gecko/2_1-core-1_0/nonrep`) [--------------------------------]   0% / 0s
  Waiting...  (J <- ...) [---------------------------------------------------------------]   0% / 0s
  Checking armadillo (J <- `gecko/2_1-core-1_0/nonrep`) [--------------------------------]   0% / 0s
  Waiting...  (J <- ...) [---------------------------------------------------------------]   0% / 0s
  Checking armadillo (J <- `gecko/2_1-core-1_0/nonrep`) [--------------------------------]   0% / 0s
  Waiting...  (J <- ...) [---------------------------------------------------------------]   0% / 0s
  Checking armadillo (J <- `gecko/2_1-core-1_0/nonrep`) [--------------------------------]   0% / 0s
  Waiting...  (J <- ...) [---------------------------------------------------------------]   0% / 1s
  Checking armadillo (J <- `gecko/2_1-core-1_0/nonrep`) [--------------------------------]   0% / 1s
  Waiting...  (J <- ...) [---------------------------------------------------------------]   0% / 1s
  Checking armadillo (J <- `gecko/2_1-core-1_0/nonrep`) [--------------------------------]   0% / 1s
  Waiting...  (J <- ...) [---------------------------------------------------------------]   0% / 1s
  Checking armadillo (J <- `gecko/2_1-core-1_0/nonrep`) [--------------------------------]   0% / 1s
  Waiting...  (J <- ...) [---------------------------------------------------------------]   0% / 1s
  Checking armadillo (J <- `gecko/2_1-core-1_0/nonrep`) [--------------------------------]   0% / 1s
  Finalizing assignment armadillo (J <- `gecko/2_1-core-1_0/nonrep`) [=========>---------]  50% / 1s
  Assigned all table (J <- ...) [========================================================] 100% / 1s

datashield.logout(conns, save = "my-workspace")

## 
   [-------------------------------------------------------------------------------------]   0% / 0s
  Logout armadillo [=================================>-----------------------------------]  50% / 0s
  Logged out from all servers [==========================================================] 100% / 0s

conns <- DSI::datashield.login(logins = logindata,
                          assign = FALSE,
                          restore = "my-workspace")

## 
## Logging into the collaborating servers
## 
   [-------------------------------------------------------------------------------------]   0% / 0s
  Login armadillo [==================================>-----------------------------------]  50% / 0s
  Logged in all servers [================================================================] 100% / 5s

datashield.symbols(conns)

## $armadillo
## [1] "J"

datashield.workspace_save(conns, "my-workspace-version-2")

You can overwrite workspaces using the same name again when saving the workspace.

datashield.logout(conns)

## 
   [-------------------------------------------------------------------------------------]   0% / 0s
  Logout armadillo [=================================>-----------------------------------]  50% / 0s
  Logged out from all servers [==========================================================] 100% / 0s

conns <- DSI::datashield.login(logins = logindata)

## 
## Logging into the collaborating servers
## 
   [-------------------------------------------------------------------------------------]   0% / 0s
  Login armadillo [==================================>-----------------------------------]  50% / 0s
  Logged in all servers [================================================================] 100% / 4s

datashield.assign.table(conns = conns,
                        table = "gecko/2_1-core-1_0/nonrep",
                        symbol = "H")

## 
   [-------------------------------------------------------------------------------------]   0% / 0s
  Checking armadillo (H <- `gecko/2_1-core-1_0/nonrep`) [--------------------------------]   0% / 0s
  Waiting...  (H <- ...) [---------------------------------------------------------------]   0% / 0s
  Checking armadillo (H <- `gecko/2_1-core-1_0/nonrep`) [--------------------------------]   0% / 0s
  Waiting...  (H <- ...) [---------------------------------------------------------------]   0% / 0s
  Checking armadillo (H <- `gecko/2_1-core-1_0/nonrep`) [--------------------------------]   0% / 0s
  Waiting...  (H <- ...) [---------------------------------------------------------------]   0% / 0s
  Checking armadillo (H <- `gecko/2_1-core-1_0/nonrep`) [--------------------------------]   0% / 0s
  Waiting...  (H <- ...) [---------------------------------------------------------------]   0% / 0s
  Checking armadillo (H <- `gecko/2_1-core-1_0/nonrep`) [--------------------------------]   0% / 0s
  Waiting...  (H <- ...) [---------------------------------------------------------------]   0% / 0s
  Checking armadillo (H <- `gecko/2_1-core-1_0/nonrep`) [--------------------------------]   0% / 0s
  Waiting...  (H <- ...) [---------------------------------------------------------------]   0% / 0s
  Checking armadillo (H <- `gecko/2_1-core-1_0/nonrep`) [--------------------------------]   0% / 1s
  Waiting...  (H <- ...) [---------------------------------------------------------------]   0% / 1s
  Checking armadillo (H <- `gecko/2_1-core-1_0/nonrep`) [--------------------------------]   0% / 1s
  Finalizing assignment armadillo (H <- `gecko/2_1-core-1_0/nonrep`) [=========>---------]  50% / 1s
  Assigned all table (H <- ...) [========================================================] 100% / 1s

datashield.workspace_save(conns, "my-workspace-overwritten")
datashield.workspace_save(conns, "my-workspace-overwritten")

You can list the workspaces as well.

datashield.workspaces(conns$armadillo)

##                                 name   size                lastAccessDate user
## 1 armadillo:my-workspace-overwritten 172672 2024-05-17T10:07:25.624+02:00     
## 2             armadillo:my-workspace   3947 2024-05-17T10:07:14.872+02:00     
## 3   armadillo:my-workspace-version-2   3883 2024-05-17T10:07:20.072+02:00

Remove workspaces.

datashield.workspace_rm(conns, "my-workspace-overwritten")
datashield.workspaces(conns)

##      server name..armadillo.my.workspace. name..armadillo.my.workspace.version.2. user lastAccessDate..2024.05.17T10.07.14.872.02.00.
## 1 armadillo        armadillo:my-workspace        armadillo:my-workspace-version-2                       2024-05-17T10:07:14.872+02:00
## 2 armadillo        armadillo:my-workspace        armadillo:my-workspace-version-2                       2024-05-17T10:07:14.872+02:00
##   lastAccessDate..2024.05.17T10.07.20.072.02.00. size.3947L size.3883L
## 1                  2024-05-17T10:07:20.072+02:00       3947       3883
## 2                  2024-05-17T10:07:20.072+02:00       3947       3883

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.