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-rw-r--r--web/api/badges/Makefile.in519
-rw-r--r--web/api/badges/README.md66
-rw-r--r--web/api/badges/web_buffer_svg.c130
-rw-r--r--web/api/badges/web_buffer_svg.h2
4 files changed, 150 insertions, 567 deletions
diff --git a/web/api/badges/Makefile.in b/web/api/badges/Makefile.in
deleted file mode 100644
index 0d356fed5..000000000
--- a/web/api/badges/Makefile.in
+++ /dev/null
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diff --git a/web/api/badges/README.md b/web/api/badges/README.md
index f199c5802..b5fc53468 100644
--- a/web/api/badges/README.md
+++ b/web/api/badges/README.md
@@ -1,3 +1,8 @@
+<!--
+title: "Netdata badges"
+custom_edit_url: https://github.com/netdata/netdata/edit/master/web/api/badges/README.md
+-->
+
# Netdata badges
**Badges are cool!**
@@ -20,7 +25,7 @@ Similarly, there is [a chart that shows outbound bandwidth per class](http://lon
The right one is a **volume** calculation. Netdata calculated the total of the last 86.400 seconds (a day) which gives `kilobits`, then divided it by 8 to make it KB, then by 1024 to make it MB and then by 1024 to make it GB. Calculations like this are quite accurate, since for every value collected, every second, Netdata interpolates it to second boundary using microsecond calculations.
-Let's see a few more badge examples (they come from the [Netdata registry](../../../registry/)):
+Let's see a few more badge examples (they come from the [Netdata registry](/registry/README.md)):
- **cpu usage of user `root`** (you can pick any user; 100% = 1 core). This will be `green <10%`, `yellow <20%`, `orange <50%`, `blue <100%` (1 core), `red` otherwise (you define thresholds and colors on the URL).
@@ -178,19 +183,62 @@ These are options dedicated to badges:
Divide the value with this number. The default is `1`.
-- `label_color=COLOR`
+- Color customization parameters
+
+ The following parameters specify colors of each individual part of the badge. Each parameter is documented in detail
+ below.
+
+ | Area of badge | Background color parameter | Text color parameter |
+ | ---: | :------------------------: | :------------------: |
+ | Label (left) part | `label_color` | `text_color_lbl` |
+ | Value (right) part | `value_color` | `text_color_val` |
+
+ - `label_color=COLOR`
+
+ The color of the label (the left part). You can use any HTML color in `RGB` or `RRGGBB` hex notation (without
+ the `#` character at the beginning). Additionally, you can use one of the following predefined colors (and you
+ can use them by their name):
+
+ - `green`
+ - `brightgreen`
+ - `yellow`
+ - `yellowgreen`
+ - `orange`
+ - `red`
+ - `blue`
+ - `grey`
+ - `gray`
+ - `lightgrey`
+ - `lightgray`
+
+ These colors are taken from <https://github.com/badges/shields>, which makes them compatible with standard
+ badges.
+
+ - `value_color=COLOR:null|COLOR<VALUE|COLOR>VALUE|COLOR>=VALUE|COLOR<=VALUE|...`
+
+ You can add a pipe delimited list of conditions to pick the value color. The first matching (left to right) will
+ be used.
+
+ Example: `value_color=grey:null|green<10|yellow<100|orange<1000|blue<10000|red`
+
+ The above will set `grey` if no value exists (not collected within the `gap when lost iterations above` in
+ `netdata.conf` for the chart), `green` if the value is less than 10, `yellow` if the value is less than 100, and
+ so on. Netdata will use `red` if no other conditions match. Only integers are supported as values.
- The color of the label (the left part). You can use any HTML color, include `#NNN` and `#NNNNNN`. The following colors are defined in Netdata (and you can use them by name): `green`, `brightgreen`, `yellow`, `yellowgreen`, `orange`, `red`, `blue`, `grey`, `gray`, `lightgrey`, `lightgray`. These are taken from <https://github.com/badges/shields> so they are compatible with standard badges.
+ The supported operators are `<`, `>`, `<=`, `>=`, `=` (or `:`), and `!=` (or `<>`).
-- `value_color=COLOR:null|COLOR<VALUE|COLOR>VALUE|COLOR>=VALUE|COLOR<=VALUE|...`
+ You can also use the same syntax as the `label_color` parameter to define each of these colors. You can
+ reference a predefined color by name or `RGB`/`RRGGBB` hex notation.
- You can add a pipe delimited list of conditions to pick the color. The first matching (left to right) will be used.
+ - `text_color_lbl=RGB` or `text_color_lbl=RRGGBB` or `text_color_lbl=color_by_name`
- Example: `value_color=grey:null|green<10|yellow<100|orange<1000|blue<10000|red`
+ This value specifies the font color for the font of left/label side of the badge. The syntax is the same as the
+ `label_color` parameter. If not given, or given with an empty value, Netdata will use the default color.
- The above will set `grey` if no value exists (not collected within the `gap when lost iterations above` in `netdata.conf` for the chart), `green` if the value is less than 10, `yellow` if the value is less than 100, etc up to `red` which will be used if no other conditions match.
+ - `text_color_val=RGB` or `text_color_val=RRGGBB` or `text_color_lbl=color_by_name`
- The supported operators are `<`, `>`, `<=`, `>=`, `=` (or `:`) and `!=` (or `<>`).
+ This value specifies the font color for the font of right/value side of the badge. The syntax is the same as the
+ `label_color` parameter. If not given, or given with an empty value, Netdata will use the default color.
- `precision=NUMBER`
@@ -250,7 +298,7 @@ These are options dedicated to badges:
</script>
```
-A more advanced badges refresh method is to include `http://your.netdata.ip:19999/refresh-badges.js` in your page. For more information and use example, [check this](../../gui/refresh-badges.js).
+A more advanced badges refresh method is to include `http://your.netdata.ip:19999/refresh-badges.js` in your page.
---
diff --git a/web/api/badges/web_buffer_svg.c b/web/api/badges/web_buffer_svg.c
index ea07c894d..b5a1e03d0 100644
--- a/web/api/badges/web_buffer_svg.c
+++ b/web/api/badges/web_buffer_svg.c
@@ -507,23 +507,23 @@ static struct badge_color {
// colors from:
// https://github.com/badges/shields/blob/master/colorscheme.json
- { "brightgreen", 0, "#4c1" },
- { "green", 0, "#97CA00" },
- { "yellow", 0, "#dfb317" },
- { "yellowgreen", 0, "#a4a61d" },
- { "orange", 0, "#fe7d37" },
- { "red", 0, "#e05d44" },
- { "blue", 0, "#007ec6" },
- { "grey", 0, "#555" },
- { "gray", 0, "#555" },
- { "lightgrey", 0, "#9f9f9f" },
- { "lightgray", 0, "#9f9f9f" },
+ { "brightgreen", 0, "4c1" },
+ { "green", 0, "97CA00" },
+ { "yellow", 0, "dfb317" },
+ { "yellowgreen", 0, "a4a61d" },
+ { "orange", 0, "fe7d37" },
+ { "red", 0, "e05d44" },
+ { "blue", 0, "007ec6" },
+ { "grey", 0, "555" },
+ { "gray", 0, "555" },
+ { "lightgrey", 0, "9f9f9f" },
+ { "lightgray", 0, "9f9f9f" },
// terminator
{ NULL, 0, NULL }
};
-static inline const char *color_map(const char *color) {
+static inline const char *color_map(const char *color, const char *def) {
static int max = -1;
int i;
@@ -543,7 +543,7 @@ static inline const char *color_map(const char *color) {
return ptr->color;
}
- return color;
+ return def;
}
typedef enum color_comparison {
@@ -688,24 +688,66 @@ static inline void calc_colorz(const char *color, char *final, size_t len, calcu
// colors
#define COLOR_STRING_SIZE 100
-void buffer_svg(BUFFER *wb, const char *label, calculated_number value, const char *units, const char *label_color, const char *value_color, int precision, int scale, uint32_t options, int fixed_width_lbl, int fixed_width_val) {
+static inline int allowed_hexa_char(char x) {
+ return ( (x >= '0' && x <= '9') ||
+ (x >= 'a' && x <= 'f') ||
+ (x >= 'A' && x <= 'F')
+ );
+}
+
+static int html_color_check(const char *str) {
+ int i = 0;
+ while(str[i]) {
+ if(!allowed_hexa_char(str[i]))
+ return 0;
+ if(unlikely(i >= 6))
+ return 0;
+ i++;
+ }
+ // want to allow either RGB or RRGGBB
+ return ( i == 6 || i == 3 );
+}
+
+// Will parse color arg as #RRGGBB or #RGB or one of the colors
+// from color_map hash table
+// if parsing fails (argument error) it will return default color
+// given as default parameter (def)
+// in any case it will return either color in "RRGGBB" or "RGB" format as string
+// or whatever is given as def (without checking - caller responsible to give sensible
+// safely escaped default) as default if it fails
+// in any case this function must always return something we can put directly in XML
+// so no escaping is necessary anymore (with excpetion of default where caller is responsible)
+// to give sensible default
+#define BADGE_SVG_COLOR_ARG_MAXLEN 20
+
+static const char *parse_color_argument(const char *arg, const char *def)
+{
+ if( !arg )
+ return def;
+ size_t len = strnlen(arg, BADGE_SVG_COLOR_ARG_MAXLEN);
+ if( len < 2 || len >= BADGE_SVG_COLOR_ARG_MAXLEN )
+ return def;
+ if( html_color_check(arg) )
+ return arg;
+ return color_map(arg, def);
+}
+
+void buffer_svg(BUFFER *wb, const char *label, calculated_number value, const char *units, const char *label_color, const char *value_color, int precision, int scale, uint32_t options, int fixed_width_lbl, int fixed_width_val, const char* text_color_lbl, const char* text_color_val) {
char value_color_buffer[COLOR_STRING_SIZE + 1]
, value_string[VALUE_STRING_SIZE + 1]
, label_escaped[LABEL_STRING_SIZE + 1]
- , value_escaped[VALUE_STRING_SIZE + 1]
- , label_color_escaped[COLOR_STRING_SIZE + 1]
- , value_color_escaped[COLOR_STRING_SIZE + 1];
+ , value_escaped[VALUE_STRING_SIZE + 1];
+
+ const char *label_color_parsed;
+ const char *value_color_parsed;
double label_width = (double)fixed_width_lbl, value_width = (double)fixed_width_val, total_width;
double height = 20.0, font_size = 11.0, text_offset = 5.8, round_corner = 3.0;
if(scale < 100) scale = 100;
- if(unlikely(!label_color || !*label_color))
- label_color = "#555";
-
if(unlikely(!value_color || !*value_color))
- value_color = (isnan(value) || isinf(value))?"#999":"#4c1";
+ value_color = (isnan(value) || isinf(value))?"999":"4c1";
calc_colorz(value_color, value_color_buffer, COLOR_STRING_SIZE, value);
format_value_and_unit(value_string, VALUE_STRING_SIZE, (options & RRDR_OPTION_DISPLAY_ABS)?calculated_number_fabs(value):value, units, precision);
@@ -718,8 +760,9 @@ void buffer_svg(BUFFER *wb, const char *label, calculated_number value, const ch
escape_xmlz(label_escaped, label, LABEL_STRING_SIZE);
escape_xmlz(value_escaped, value_string, VALUE_STRING_SIZE);
- escape_xmlz(label_color_escaped, color_map(label_color), COLOR_STRING_SIZE);
- escape_xmlz(value_color_escaped, color_map(value_color_buffer), COLOR_STRING_SIZE);
+
+ label_color_parsed = parse_color_argument(label_color, "555");
+ value_color_parsed = parse_color_argument(value_color_buffer, "555");
wb->contenttype = CT_IMAGE_SVG_XML;
@@ -743,10 +786,10 @@ void buffer_svg(BUFFER *wb, const char *label, calculated_number value, const ch
"<rect class=\"bdge-ttl-width\" width=\"%0.2f\" height=\"%0.2f\" rx=\"%0.2f\" fill=\"#fff\"/>"
"</mask>"
"<g mask=\"url(#round)\">"
- "<rect class=\"bdge-rect-lbl\" width=\"%0.2f\" height=\"%0.2f\" fill=\"%s\"/>",
+ "<rect class=\"bdge-rect-lbl\" width=\"%0.2f\" height=\"%0.2f\" fill=\"#%s\"/>",
total_width, height,
total_width, height, round_corner,
- label_width, height, label_color_escaped); //<rect class="bdge-rect-lbl"
+ label_width, height, label_color_parsed); //<rect class="bdge-rect-lbl"
if(fixed_width_lbl > 0 && fixed_width_val > 0) {
buffer_sprintf(wb,
@@ -757,8 +800,8 @@ void buffer_svg(BUFFER *wb, const char *label, calculated_number value, const ch
}
buffer_sprintf(wb,
- "<rect class=\"bdge-rect-val\" x=\"%0.2f\" width=\"%0.2f\" height=\"%0.2f\" fill=\"%s\"/>",
- label_width, value_width, height, value_color_escaped);
+ "<rect class=\"bdge-rect-val\" x=\"%0.2f\" width=\"%0.2f\" height=\"%0.2f\" fill=\"#%s\"/>",
+ label_width, value_width, height, value_color_parsed);
if(fixed_width_lbl > 0 && fixed_width_val > 0) {
buffer_sprintf(wb,
@@ -771,18 +814,18 @@ void buffer_svg(BUFFER *wb, const char *label, calculated_number value, const ch
buffer_sprintf(wb,
"<rect class=\"bdge-ttl-width\" width=\"%0.2f\" height=\"%0.2f\" fill=\"url(#smooth)\"/>"
"</g>"
- "<g fill=\"#fff\" text-anchor=\"middle\" font-family=\"DejaVu Sans,Verdana,Geneva,sans-serif\" font-size=\"%0.2f\">"
+ "<g text-anchor=\"middle\" font-family=\"DejaVu Sans,Verdana,Geneva,sans-serif\" font-size=\"%0.2f\">"
"<text class=\"bdge-lbl-lbl\" x=\"%0.2f\" y=\"%0.0f\" fill=\"#010101\" fill-opacity=\".3\" clip-path=\"url(#lbl-rect)\">%s</text>"
- "<text class=\"bdge-lbl-lbl\" x=\"%0.2f\" y=\"%0.0f\" clip-path=\"url(#lbl-rect)\">%s</text>"
+ "<text class=\"bdge-lbl-lbl\" x=\"%0.2f\" y=\"%0.0f\" fill=\"#%s\" clip-path=\"url(#lbl-rect)\">%s</text>"
"<text class=\"bdge-lbl-val\" x=\"%0.2f\" y=\"%0.0f\" fill=\"#010101\" fill-opacity=\".3\" clip-path=\"url(#val-rect)\">%s</text>"
- "<text class=\"bdge-lbl-val\" x=\"%0.2f\" y=\"%0.0f\" clip-path=\"url(#val-rect)\">%s</text>"
+ "<text class=\"bdge-lbl-val\" x=\"%0.2f\" y=\"%0.0f\" fill=\"#%s\" clip-path=\"url(#val-rect)\">%s</text>"
"</g>",
total_width, height,
font_size,
label_width / 2, ceil(height - text_offset), label_escaped,
- label_width / 2, ceil(height - text_offset - 1.0), label_escaped,
+ label_width / 2, ceil(height - text_offset - 1.0), parse_color_argument(text_color_lbl, "fff"), label_escaped,
label_width + value_width / 2 -1, ceil(height - text_offset), value_escaped,
- label_width + value_width / 2 -1, ceil(height - text_offset - 1.0), value_escaped);
+ label_width + value_width / 2 -1, ceil(height - text_offset - 1.0), parse_color_argument(text_color_val, "fff"), value_escaped);
if(fixed_width_lbl <= 0 || fixed_width_val <= 0){
buffer_sprintf(wb,
@@ -815,6 +858,9 @@ void buffer_svg(BUFFER *wb, const char *label, calculated_number value, const ch
buffer_sprintf(wb, "</svg>");
}
+#define BADGE_URL_ARG_LBL_COLOR "text_color_lbl"
+#define BADGE_URL_ARG_VAL_COLOR "text_color_val"
+
int web_client_api_request_v1_badge(RRDHOST *host, struct web_client *w, char *url) {
int ret = HTTP_RESP_BAD_REQUEST;
buffer_flush(w->response.data);
@@ -836,7 +882,9 @@ int web_client_api_request_v1_badge(RRDHOST *host, struct web_client *w, char *u
, *scale_str = NULL
, *alarm = NULL
, *fixed_width_lbl_str = NULL
- , *fixed_width_val_str = NULL;
+ , *fixed_width_val_str = NULL
+ , *text_color_lbl_str = NULL
+ , *text_color_val_str = NULL;
int group = RRDR_GROUPING_AVERAGE;
uint32_t options = 0x00000000;
@@ -883,6 +931,8 @@ int web_client_api_request_v1_badge(RRDHOST *host, struct web_client *w, char *u
else if(!strcmp(name, "fixed_width_lbl")) fixed_width_lbl_str = value;
else if(!strcmp(name, "fixed_width_val")) fixed_width_val_str = value;
else if(!strcmp(name, "alarm")) alarm = value;
+ else if(!strcmp(name, BADGE_URL_ARG_LBL_COLOR)) text_color_lbl_str = value;
+ else if(!strcmp(name, BADGE_URL_ARG_VAL_COLOR)) text_color_val_str = value;
}
int fixed_width_lbl = -1;
@@ -893,7 +943,7 @@ int web_client_api_request_v1_badge(RRDHOST *host, struct web_client *w, char *u
fixed_width_lbl = str2i(fixed_width_lbl_str);
fixed_width_val = str2i(fixed_width_val_str);
}
-
+
if(!chart || !*chart) {
buffer_no_cacheable(w->response.data);
buffer_sprintf(w->response.data, "No chart id is given at the request.");
@@ -906,7 +956,7 @@ int web_client_api_request_v1_badge(RRDHOST *host, struct web_client *w, char *u
if(!st) st = rrdset_find_byname(host, chart);
if(!st) {
buffer_no_cacheable(w->response.data);
- buffer_svg(w->response.data, "chart not found", NAN, "", NULL, NULL, -1, scale, 0, -1, -1);
+ buffer_svg(w->response.data, "chart not found", NAN, "", NULL, NULL, -1, scale, 0, -1, -1, NULL, NULL);
ret = HTTP_RESP_OK;
goto cleanup;
}
@@ -917,7 +967,7 @@ int web_client_api_request_v1_badge(RRDHOST *host, struct web_client *w, char *u
rc = rrdcalc_find(st, alarm);
if (!rc) {
buffer_no_cacheable(w->response.data);
- buffer_svg(w->response.data, "alarm not found", NAN, "", NULL, NULL, -1, scale, 0, -1, -1);
+ buffer_svg(w->response.data, "alarm not found", NAN, "", NULL, NULL, -1, scale, 0, -1, -1, NULL, NULL);
ret = HTTP_RESP_OK;
goto cleanup;
}
@@ -1037,7 +1087,9 @@ int web_client_api_request_v1_badge(RRDHOST *host, struct web_client *w, char *u
scale,
options,
fixed_width_lbl,
- fixed_width_val
+ fixed_width_val,
+ text_color_lbl_str,
+ text_color_val_str
);
ret = HTTP_RESP_OK;
}
@@ -1076,7 +1128,9 @@ int web_client_api_request_v1_badge(RRDHOST *host, struct web_client *w, char *u
scale,
options,
fixed_width_lbl,
- fixed_width_val
+ fixed_width_val,
+ text_color_lbl_str,
+ text_color_val_str
);
}
diff --git a/web/api/badges/web_buffer_svg.h b/web/api/badges/web_buffer_svg.h
index f0558c078..1cf69e20a 100644
--- a/web/api/badges/web_buffer_svg.h
+++ b/web/api/badges/web_buffer_svg.h
@@ -6,7 +6,7 @@
#include "libnetdata/libnetdata.h"
#include "web/server/web_client.h"
-extern void buffer_svg(BUFFER *wb, const char *label, calculated_number value, const char *units, const char *label_color, const char *value_color, int precision, int scale, uint32_t options, int fixed_width_lbl, int fixed_width_val);
+extern void buffer_svg(BUFFER *wb, const char *label, calculated_number value, const char *units, const char *label_color, const char *value_color, int precision, int scale, uint32_t options, int fixed_width_lbl, int fixed_width_val, const char* text_color_lbl, const char* text_color_val);
extern char *format_value_and_unit(char *value_string, size_t value_string_len, calculated_number value, const char *units, int precision);
extern int web_client_api_request_v1_badge(struct rrdhost *host, struct web_client *w, char *url);
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-01 18:23:14 +0000