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proxmox/src/api/cli/text_table.rs: new helpers to read output format from environment

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This commit is contained in:
Dietmar Maurer 2020-02-27 12:34:46 +01:00
parent e3c1104ed3
commit a21fd499f6
1 changed files with 30 additions and 0 deletions
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proxmox/src/api/cli/text_table.rs
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@ -5,6 +5,36 @@ use serde_json::Value;
use crate::api::schema::*;
/// allows to configure the default output fromat using environment vars
pub const ENV_VAR_PROXMOX_OUTPUT_FORMAT: &str = "PROXMOX_OUTPUT_FORMAT";
/// if set, supress borders (and headers) when printing tables
pub const ENV_VAR_PROXMOX_OUTPUT_NO_BORDER: &str = "PROXMOX_OUTPUT_NO_BORDER";
/// if set, supress headers when printing tables
pub const ENV_VAR_PROXMOX_OUTPUT_NO_HEADER: &str = "PROXMOX_OUTPUT_NO_HEADER";
/// Helper to get output format from parameters or environment
pub fn get_output_format(param: &Value) -> String {
let mut output_format = None;
if let Some(format) = param["output-format"].as_str() {
output_format = Some(format.to_owned());
} else if let Some(format) = std::env::var(ENV_VAR_PROXMOX_OUTPUT_FORMAT).ok() {
output_format = Some(format.to_owned());
}
let output_format = output_format.unwrap_or(String::from("text"));
output_format
}
/// Helper to get TableFormatOptions with default from environment
pub fn default_table_format_options() -> TableFormatOptions {
let no_border = std::env::var(ENV_VAR_PROXMOX_OUTPUT_NO_BORDER).ok().is_some();
let no_header = std::env::var(ENV_VAR_PROXMOX_OUTPUT_NO_HEADER).ok().is_some();
TableFormatOptions::new().noborder(no_border).noheader(no_header)
}
/// Render function
///
/// Should convert the json `value` into a text string. `record` points to